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<div class="title">DWT - Implementation of a discrete wavelet transform</div> </div>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structdwt__local.html">dwt_local</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">union  </td><td class="memItemRight" valign="bottom"><a class="el" href="unionv4.html">v4</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structv4dwt__local.html">v4dwt_local</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:gad6d164f0d0b66a1aa9c6bca0ee62c9a4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gad6d164f0d0b66a1aa9c6bca0ee62c9a4">WS</a>(i)   v->mem[(i)*2]</td></tr>
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<tr class="memitem:ga850947203099d870fc9730a5baa59b2e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga850947203099d870fc9730a5baa59b2e">WD</a>(i)   v->mem[(1+(i)*2)]</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:gac36d7db2101327764207cb9f6cfdcf56"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gac36d7db2101327764207cb9f6cfdcf56">DWT1DFN</a> )(<a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a> *v)</td></tr>
<tr class="memdesc:gac36d7db2101327764207cb9f6cfdcf56"><td class="mdescLeft"> </td><td class="mdescRight">Virtual function type for wavelet transform in 1-D. <a href="#gac36d7db2101327764207cb9f6cfdcf56">More...</a><br/></td></tr>
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Local data structures</h2></td></tr>
<tr class="memitem:ga2cacdfc64091f7ac0fabad3c00dbe760"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structdwt__local.html">dwt_local</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a></td></tr>
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<tr class="memitem:ga0c9d1cbd68433497c1f5963fa94b6171"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structv4dwt__local.html">v4dwt_local</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga0c9d1cbd68433497c1f5963fa94b6171">v4dwt_t</a></td></tr>
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<tr class="memitem:ga8c7c11d0fc2c251b54d4b7693e3b1406"><td class="memItemLeft" align="right" valign="top">static const float </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga8c7c11d0fc2c251b54d4b7693e3b1406">dwt_alpha</a> = 1.586134342f</td></tr>
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<tr class="memitem:gad48f3076b623d9231cebcd756bdc95e2"><td class="memItemLeft" align="right" valign="top">static const float </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gad48f3076b623d9231cebcd756bdc95e2">dwt_beta</a> = 0.052980118f</td></tr>
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<tr class="memitem:ga4ca9e7eee6c615900b3bb0ca49a1d36e"><td class="memItemLeft" align="right" valign="top">static const float </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga4ca9e7eee6c615900b3bb0ca49a1d36e">dwt_gamma</a> = -0.882911075f</td></tr>
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<tr class="memitem:gab2daad09af204f30d28fab78540cf9cc"><td class="memItemLeft" align="right" valign="top">static const float </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gab2daad09af204f30d28fab78540cf9cc">dwt_delta</a> = -0.443506852f</td></tr>
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<tr class="memitem:gaf512d5e39283487f0dd8c3652f9b7565"><td class="memItemLeft" align="right" valign="top">static const float </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gaf512d5e39283487f0dd8c3652f9b7565">K</a> = 1.230174105f</td></tr>
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<tr class="memitem:ga262783be5aa8b028a72d03406f935b69"><td class="memItemLeft" align="right" valign="top">static const float </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga262783be5aa8b028a72d03406f935b69">c13318</a> = 1.625732422f</td></tr>
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Local static functions</h2></td></tr>
<tr class="memitem:ga60fcac70d0894e6f3a2dff387233f746"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga60fcac70d0894e6f3a2dff387233f746">dwt_deinterleave_h</a> (int *a, int *b, int dn, int sn, int cas)</td></tr>
<tr class="memdesc:ga60fcac70d0894e6f3a2dff387233f746"><td class="mdescLeft"> </td><td class="mdescRight">Forward lazy transform (horizontal) <a href="#ga60fcac70d0894e6f3a2dff387233f746">More...</a><br/></td></tr>
<tr class="separator:ga60fcac70d0894e6f3a2dff387233f746"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaca83ae8400a44ac8affe3c2580248600"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gaca83ae8400a44ac8affe3c2580248600">dwt_deinterleave_v</a> (int *a, int *b, int dn, int sn, int x, int cas)</td></tr>
<tr class="memdesc:gaca83ae8400a44ac8affe3c2580248600"><td class="mdescLeft"> </td><td class="mdescRight">Forward lazy transform (vertical) <a href="#gaca83ae8400a44ac8affe3c2580248600">More...</a><br/></td></tr>
<tr class="separator:gaca83ae8400a44ac8affe3c2580248600"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaddaa4205e45b8a82aeaa03079caaa66f"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gaddaa4205e45b8a82aeaa03079caaa66f">dwt_interleave_h</a> (<a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a> *h, int *a)</td></tr>
<tr class="memdesc:gaddaa4205e45b8a82aeaa03079caaa66f"><td class="mdescLeft"> </td><td class="mdescRight">Inverse lazy transform (horizontal) <a href="#gaddaa4205e45b8a82aeaa03079caaa66f">More...</a><br/></td></tr>
<tr class="separator:gaddaa4205e45b8a82aeaa03079caaa66f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9c81bb028c59e0a0608b5ec2bf0138ea"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga9c81bb028c59e0a0608b5ec2bf0138ea">dwt_interleave_v</a> (<a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a> *v, int *a, int x)</td></tr>
<tr class="memdesc:ga9c81bb028c59e0a0608b5ec2bf0138ea"><td class="mdescLeft"> </td><td class="mdescRight">Inverse lazy transform (vertical) <a href="#ga9c81bb028c59e0a0608b5ec2bf0138ea">More...</a><br/></td></tr>
<tr class="separator:ga9c81bb028c59e0a0608b5ec2bf0138ea"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gabaa1235c4ed2785a25ef33776823f9b2"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gabaa1235c4ed2785a25ef33776823f9b2">dwt_encode_1</a> (int *a, int dn, int sn, int cas)</td></tr>
<tr class="memdesc:gabaa1235c4ed2785a25ef33776823f9b2"><td class="mdescLeft"> </td><td class="mdescRight">Forward 5-3 wavelet transform in 1-D. <a href="#gabaa1235c4ed2785a25ef33776823f9b2">More...</a><br/></td></tr>
<tr class="separator:gabaa1235c4ed2785a25ef33776823f9b2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gabe84cc0dac6b48a38604e257b6924f98"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gabe84cc0dac6b48a38604e257b6924f98">dwt_decode_1</a> (<a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a> *v)</td></tr>
<tr class="memdesc:gabe84cc0dac6b48a38604e257b6924f98"><td class="mdescLeft"> </td><td class="mdescRight">Inverse 5-3 wavelet transform in 1-D. <a href="#gabe84cc0dac6b48a38604e257b6924f98">More...</a><br/></td></tr>
<tr class="separator:gabe84cc0dac6b48a38604e257b6924f98"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae12022b65750d7411b92e441f9e310d3"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gae12022b65750d7411b92e441f9e310d3">dwt_encode_1_real</a> (int *a, int dn, int sn, int cas)</td></tr>
<tr class="memdesc:gae12022b65750d7411b92e441f9e310d3"><td class="mdescLeft"> </td><td class="mdescRight">Forward 9-7 wavelet transform in 1-D. <a href="#gae12022b65750d7411b92e441f9e310d3">More...</a><br/></td></tr>
<tr class="separator:gae12022b65750d7411b92e441f9e310d3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2955a1be125c0975be10a57ea4411b3e"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga2955a1be125c0975be10a57ea4411b3e">dwt_encode_stepsize</a> (int stepsize, int numbps, <a class="el" href="group___j2_k.html#ga0ad456b88c684f8d81cc5962867046e7">opj_stepsize_t</a> *bandno_stepsize)</td></tr>
<tr class="memdesc:ga2955a1be125c0975be10a57ea4411b3e"><td class="mdescLeft"> </td><td class="mdescRight">Explicit calculation of the Quantization Stepsizes. <a href="#ga2955a1be125c0975be10a57ea4411b3e">More...</a><br/></td></tr>
<tr class="separator:ga2955a1be125c0975be10a57ea4411b3e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga4d4fa494724b43a8c0c7fba326116e93"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="openjpeg_8h.html#a6dacd36987de401025cc244f7bdf41cd">opj_bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga4d4fa494724b43a8c0c7fba326116e93">dwt_decode_tile</a> (<a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> *tilec, int i, <a class="el" href="group___d_w_t.html#gac36d7db2101327764207cb9f6cfdcf56">DWT1DFN</a> fn)</td></tr>
<tr class="memdesc:ga4d4fa494724b43a8c0c7fba326116e93"><td class="mdescLeft"> </td><td class="mdescRight">Inverse wavelet transform in 2-D. <a href="#ga4d4fa494724b43a8c0c7fba326116e93">More...</a><br/></td></tr>
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Exported functions</h2></td></tr>
<tr class="memitem:ga558528f77b503931451d36d61d709f4d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga558528f77b503931451d36d61d709f4d">dwt_encode</a> (<a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> *tilec)</td></tr>
<tr class="memdesc:ga558528f77b503931451d36d61d709f4d"><td class="mdescLeft"> </td><td class="mdescRight">Forward 5-3 wavelet tranform in 2-D. <a href="#ga558528f77b503931451d36d61d709f4d">More...</a><br/></td></tr>
<tr class="separator:ga558528f77b503931451d36d61d709f4d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa70d75836ca103eb03ebb8507196ab28"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#a6dacd36987de401025cc244f7bdf41cd">opj_bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gaa70d75836ca103eb03ebb8507196ab28">dwt_decode</a> (<a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> *tilec, int numres)</td></tr>
<tr class="memdesc:gaa70d75836ca103eb03ebb8507196ab28"><td class="mdescLeft"> </td><td class="mdescRight">Inverse 5-3 wavelet tranform in 2-D. <a href="#gaa70d75836ca103eb03ebb8507196ab28">More...</a><br/></td></tr>
<tr class="separator:gaa70d75836ca103eb03ebb8507196ab28"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga028080ebffcea312faa39ae7f16a9409"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga028080ebffcea312faa39ae7f16a9409">dwt_getgain</a> (int orient)</td></tr>
<tr class="memdesc:ga028080ebffcea312faa39ae7f16a9409"><td class="mdescLeft"> </td><td class="mdescRight">Get the gain of a subband for the reversible 5-3 DWT. <a href="#ga028080ebffcea312faa39ae7f16a9409">More...</a><br/></td></tr>
<tr class="separator:ga028080ebffcea312faa39ae7f16a9409"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab2f28cdaf258f313e9250d14b81640f7"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gab2f28cdaf258f313e9250d14b81640f7">dwt_getnorm</a> (int level, int orient)</td></tr>
<tr class="memdesc:gab2f28cdaf258f313e9250d14b81640f7"><td class="mdescLeft"> </td><td class="mdescRight">Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT. <a href="#gab2f28cdaf258f313e9250d14b81640f7">More...</a><br/></td></tr>
<tr class="separator:gab2f28cdaf258f313e9250d14b81640f7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga58462c095709a07376990099a27e56dd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga58462c095709a07376990099a27e56dd">dwt_encode_real</a> (<a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> *tilec)</td></tr>
<tr class="memdesc:ga58462c095709a07376990099a27e56dd"><td class="mdescLeft"> </td><td class="mdescRight">Forward 9-7 wavelet transform in 2-D. <a href="#ga58462c095709a07376990099a27e56dd">More...</a><br/></td></tr>
<tr class="separator:ga58462c095709a07376990099a27e56dd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2a7caa7740de311727de478d919be934"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#a6dacd36987de401025cc244f7bdf41cd">opj_bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga2a7caa7740de311727de478d919be934">dwt_decode_real</a> (<a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> *tilec, int numres)</td></tr>
<tr class="memdesc:ga2a7caa7740de311727de478d919be934"><td class="mdescLeft"> </td><td class="mdescRight">Inverse 9-7 wavelet transform in 2-D. <a href="#ga2a7caa7740de311727de478d919be934">More...</a><br/></td></tr>
<tr class="separator:ga2a7caa7740de311727de478d919be934"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga513067391a9dcb2f5f65251f96720feb"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga513067391a9dcb2f5f65251f96720feb">dwt_getgain_real</a> (int orient)</td></tr>
<tr class="memdesc:ga513067391a9dcb2f5f65251f96720feb"><td class="mdescLeft"> </td><td class="mdescRight">Get the gain of a subband for the irreversible 9-7 DWT. <a href="#ga513067391a9dcb2f5f65251f96720feb">More...</a><br/></td></tr>
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<tr class="memitem:gaa8b1656825bf404a643fa66b59f80d1d"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#gaa8b1656825bf404a643fa66b59f80d1d">dwt_getnorm_real</a> (int level, int orient)</td></tr>
<tr class="memdesc:gaa8b1656825bf404a643fa66b59f80d1d"><td class="mdescLeft"> </td><td class="mdescRight">Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT. <a href="#gaa8b1656825bf404a643fa66b59f80d1d">More...</a><br/></td></tr>
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<tr class="memitem:ga2e2074a513f1ae448b3bc3a4219dcd68"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga2e2074a513f1ae448b3bc3a4219dcd68">dwt_calc_explicit_stepsizes</a> (<a class="el" href="group___j2_k.html#gab63992800bff9be55f67d7758de21b15">opj_tccp_t</a> *tccp, int prec)</td></tr>
<tr class="memdesc:ga2e2074a513f1ae448b3bc3a4219dcd68"><td class="mdescLeft"> </td><td class="mdescRight">Explicit calculation of the Quantization Stepsizes. <a href="#ga2e2074a513f1ae448b3bc3a4219dcd68">More...</a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define WD</td>
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<td class="paramtype"> </td>
<td class="paramname">i</td><td>)</td>
<td>   v->mem[(1+(i)*2)]</td>
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<td class="memname">#define WS</td>
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<td>   v->mem[(i)*2]</td>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef void(* DWT1DFN)(<a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a> *v)</td>
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<p>Virtual function type for wavelet transform in 1-D. </p>
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<td class="memname">typedef struct <a class="el" href="structdwt__local.html">dwt_local</a> <a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a></td>
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<td class="memname">typedef struct <a class="el" href="structv4dwt__local.html">v4dwt_local</a> <a class="el" href="group___d_w_t.html#ga0c9d1cbd68433497c1f5963fa94b6171">v4dwt_t</a></td>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">void dwt_calc_explicit_stepsizes </td>
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<td class="paramtype"><a class="el" href="group___j2_k.html#gab63992800bff9be55f67d7758de21b15">opj_tccp_t</a> * </td>
<td class="paramname"><em>tccp</em>, </td>
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<td class="paramtype">int </td>
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<p>Explicit calculation of the Quantization Stepsizes. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">tccp</td><td>Tile-component coding parameters </td></tr>
<tr><td class="paramname">prec</td><td>Precint analyzed </td></tr>
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<p>References <a class="el" href="group___d_w_t.html#ga2955a1be125c0975be10a57ea4411b3e">dwt_encode_stepsize()</a>, <a class="el" href="dwt_8c.html#a4f05fd5f016bd8b9cdd7936fff54ddb9">dwt_norms_real</a>, <a class="el" href="group___j2_k.html#ga95708dcd92905b704bc08ff4c4de7d16">J2K_CCP_QNTSTY_NOQNT</a>, <a class="el" href="structopj__tccp.html#a8272163c20fbd2096134c1f36480b750">opj_tccp::numresolutions</a>, <a class="el" href="structopj__tccp.html#a56c2791067395bd1ddc78766fcb40531">opj_tccp::qmfbid</a>, <a class="el" href="structopj__tccp.html#a63aa4b4dfb4f9688363d36347c1cfa55">opj_tccp::qntsty</a>, and <a class="el" href="structopj__tccp.html#aa145543bbfaa6f678e376e693d2f3503">opj_tccp::stepsizes</a>.</p>
<p>Referenced by <a class="el" href="group___j2_k.html#gaf0b63074afbac507f94f2bd9103b4c9a">j2k_setup_encoder()</a>.</p>
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<td class="memname"><a class="el" href="openjpeg_8h.html#a6dacd36987de401025cc244f7bdf41cd">opj_bool</a> dwt_decode </td>
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<td class="paramtype"><a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> * </td>
<td class="paramname"><em>tilec</em>, </td>
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<p>Inverse 5-3 wavelet tranform in 2-D. </p>
<p>Apply a reversible inverse DWT transform to a component of an image. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">tilec</td><td>Tile component information (current tile) </td></tr>
<tr><td class="paramname">numres</td><td>Number of resolution levels to decode </td></tr>
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<p>References <a class="el" href="group___d_w_t.html#gabe84cc0dac6b48a38604e257b6924f98">dwt_decode_1()</a>, and <a class="el" href="group___d_w_t.html#ga4d4fa494724b43a8c0c7fba326116e93">dwt_decode_tile()</a>.</p>
<p>Referenced by <a class="el" href="group___t_c_d.html#ga95e1326c7801627873a59e065d541355">tcd_decode_tile()</a>.</p>
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<td class="memname">static void dwt_decode_1 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a> * </td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Inverse 5-3 wavelet transform in 1-D. </p>
<p>References <a class="el" href="structdwt__local.html#ae90cd78b287040a774a35a0bc9cfbf02">dwt_local::cas</a>, <a class="el" href="structdwt__local.html#a8c8726e9428fffe45faecf466c45b8d3">dwt_local::dn</a>, <a class="el" href="dwt_8c.html#a30c5f047d24c5a9ba0700a1bfe3fe69d">dwt_decode_1_()</a>, <a class="el" href="structdwt__local.html#a66c0575ede079850adc101ad4375c3f7">dwt_local::mem</a>, and <a class="el" href="structdwt__local.html#a8ddb9b59609c7f417b3cfd0797fa00e8">dwt_local::sn</a>.</p>
<p>Referenced by <a class="el" href="group___d_w_t.html#gaa70d75836ca103eb03ebb8507196ab28">dwt_decode()</a>.</p>
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<td class="memname"><a class="el" href="openjpeg_8h.html#a6dacd36987de401025cc244f7bdf41cd">opj_bool</a> dwt_decode_real </td>
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<td class="paramtype"><a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> * </td>
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<p>Inverse 9-7 wavelet transform in 2-D. </p>
<p>Apply an irreversible inverse DWT transform to a component of an image. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">tilec</td><td>Tile component information (current tile) </td></tr>
<tr><td class="paramname">numres</td><td>Number of resolution levels to decode </td></tr>
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<td class="memname">static <a class="el" href="openjpeg_8h.html#a6dacd36987de401025cc244f7bdf41cd">opj_bool</a> dwt_decode_tile </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> * </td>
<td class="paramname"><em>tilec</em>, </td>
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<td class="paramtype">int </td>
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<td class="paramtype"><a class="el" href="group___d_w_t.html#gac36d7db2101327764207cb9f6cfdcf56">DWT1DFN</a> </td>
<td class="paramname"><em>fn</em> </td>
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<p>Inverse wavelet transform in 2-D. </p>
<p>References <a class="el" href="structdwt__local.html#ae90cd78b287040a774a35a0bc9cfbf02">dwt_local::cas</a>, <a class="el" href="structopj__tcd__tilecomp.html#ac36cbeab674103a0fbdffdec8775a51b">opj_tcd_tilecomp::data</a>, <a class="el" href="structdwt__local.html#a8c8726e9428fffe45faecf466c45b8d3">dwt_local::dn</a>, <a class="el" href="dwt_8c.html#abcb49220ab2cfc58b68a37d8fe176b13">dwt_decode_max_resolution()</a>, <a class="el" href="group___d_w_t.html#gaddaa4205e45b8a82aeaa03079caaa66f">dwt_interleave_h()</a>, <a class="el" href="group___d_w_t.html#ga9c81bb028c59e0a0608b5ec2bf0138ea">dwt_interleave_v()</a>, <a class="el" href="structdwt__local.html#a66c0575ede079850adc101ad4375c3f7">dwt_local::mem</a>, <a class="el" href="group___m_i_s_c.html#gab0fdf64c359ffffc91129a958c3f3302">opj_aligned_free</a>, <a class="el" href="group___m_i_s_c.html#ga58c815239c5e911637bd448252640816">opj_aligned_malloc</a>, <a class="el" href="openjpeg_8h.html#ac672bfd7db39c609e828acb07a321964">OPJ_FALSE</a>, <a class="el" href="openjpeg_8h.html#a04830036d767cba56cbf5ae5bdc481d3">OPJ_TRUE</a>, <a class="el" href="structopj__tcd__tilecomp.html#a98466597d37dad1b049ffae6b9722885">opj_tcd_tilecomp::resolutions</a>, <a class="el" href="opj__includes_8h.html#a080abdcb9c02438f1cd2bb707af25af8">restrict</a>, <a class="el" href="structdwt__local.html#a8ddb9b59609c7f417b3cfd0797fa00e8">dwt_local::sn</a>, <a class="el" href="structopj__tcd__resolution.html#a897ed54654f37d2b7afc3b8590087076">opj_tcd_resolution::x0</a>, <a class="el" href="structopj__tcd__tilecomp.html#a0d5951d9aeba48db3c6870f6bacce990">opj_tcd_tilecomp::x0</a>, <a class="el" href="structopj__tcd__resolution.html#aa894db098e27c9153faac0d06aa5d432">opj_tcd_resolution::x1</a>, <a class="el" href="structopj__tcd__tilecomp.html#a82c8e2be2404be3d830bb22873ed9174">opj_tcd_tilecomp::x1</a>, <a class="el" href="structopj__tcd__resolution.html#a9ecb52fb56cc8e6031cada55c79f02a5">opj_tcd_resolution::y0</a>, and <a class="el" href="structopj__tcd__resolution.html#aadcc0da709525e7421bdb87315f6f5ce">opj_tcd_resolution::y1</a>.</p>
<p>Referenced by <a class="el" href="group___d_w_t.html#gaa70d75836ca103eb03ebb8507196ab28">dwt_decode()</a>.</p>
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<td class="memname">static void dwt_deinterleave_h </td>
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<p>Forward lazy transform (horizontal) </p>
<p>Referenced by <a class="el" href="group___d_w_t.html#ga558528f77b503931451d36d61d709f4d">dwt_encode()</a>, and <a class="el" href="group___d_w_t.html#ga58462c095709a07376990099a27e56dd">dwt_encode_real()</a>.</p>
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<td class="memname">static void dwt_deinterleave_v </td>
<td>(</td>
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<p>Forward lazy transform (vertical) </p>
<p>Referenced by <a class="el" href="group___d_w_t.html#ga558528f77b503931451d36d61d709f4d">dwt_encode()</a>, and <a class="el" href="group___d_w_t.html#ga58462c095709a07376990099a27e56dd">dwt_encode_real()</a>.</p>
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<td class="memname">void dwt_encode </td>
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<td class="paramtype"><a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> * </td>
<td class="paramname"><em>tilec</em></td><td>)</td>
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<p>Forward 5-3 wavelet tranform in 2-D. </p>
<p>Apply a reversible DWT transform to a component of an image. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">tilec</td><td>Tile component information (current tile) </td></tr>
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</dd>
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<p>References <a class="el" href="structopj__tcd__tilecomp.html#ac36cbeab674103a0fbdffdec8775a51b">opj_tcd_tilecomp::data</a>, <a class="el" href="group___d_w_t.html#ga60fcac70d0894e6f3a2dff387233f746">dwt_deinterleave_h()</a>, <a class="el" href="group___d_w_t.html#gaca83ae8400a44ac8affe3c2580248600">dwt_deinterleave_v()</a>, <a class="el" href="group___d_w_t.html#gabaa1235c4ed2785a25ef33776823f9b2">dwt_encode_1()</a>, <a class="el" href="structopj__tcd__tilecomp.html#aba8f13960039a11e55e9d5eea1349837">opj_tcd_tilecomp::numresolutions</a>, <a class="el" href="group___m_i_s_c.html#ga700b1aef6148bd6c3edde626610ffe2f">opj_free</a>, <a class="el" href="group___m_i_s_c.html#gaed655b4c0cec54620065ab1abf56e8cc">opj_malloc</a>, <a class="el" href="structopj__tcd__tilecomp.html#a98466597d37dad1b049ffae6b9722885">opj_tcd_tilecomp::resolutions</a>, <a class="el" href="structopj__tcd__resolution.html#a897ed54654f37d2b7afc3b8590087076">opj_tcd_resolution::x0</a>, <a class="el" href="structopj__tcd__tilecomp.html#a0d5951d9aeba48db3c6870f6bacce990">opj_tcd_tilecomp::x0</a>, <a class="el" href="structopj__tcd__resolution.html#aa894db098e27c9153faac0d06aa5d432">opj_tcd_resolution::x1</a>, <a class="el" href="structopj__tcd__tilecomp.html#a82c8e2be2404be3d830bb22873ed9174">opj_tcd_tilecomp::x1</a>, <a class="el" href="structopj__tcd__resolution.html#a9ecb52fb56cc8e6031cada55c79f02a5">opj_tcd_resolution::y0</a>, and <a class="el" href="structopj__tcd__resolution.html#aadcc0da709525e7421bdb87315f6f5ce">opj_tcd_resolution::y1</a>.</p>
<p>Referenced by <a class="el" href="group___t_c_d.html#ga774c7c7fc3c00be915492c41ef2277ca">tcd_encode_tile()</a>.</p>
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<td class="memname">static void dwt_encode_1 </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname"><em>a</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>dn</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>sn</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>cas</em> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Forward 5-3 wavelet transform in 1-D. </p>
<p>References <a class="el" href="dwt_8c.html#a15947fb519cb6bb4e24265bb8072a31e">D</a>, <a class="el" href="dwt_8c.html#adf2e5771d87a854336befcd9d5599e04">D_</a>, <a class="el" href="dwt_8c.html#aa5b0a447715ed833c49df1aba699efa4">DD_</a>, <a class="el" href="dwt_8c.html#a4bd0975d41d84f7e96245fec7648a780">S</a>, and <a class="el" href="dwt_8c.html#a9f37c3122d4ac50f119c9ea4c0a1c286">S_</a>.</p>
<p>Referenced by <a class="el" href="group___d_w_t.html#ga558528f77b503931451d36d61d709f4d">dwt_encode()</a>.</p>
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<td class="memname">static void dwt_encode_1_real </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname"><em>a</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>dn</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>sn</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>cas</em> </td>
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<tr>
<td></td>
<td>)</td>
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<p>Forward 9-7 wavelet transform in 1-D. </p>
<p>References <a class="el" href="dwt_8c.html#a15947fb519cb6bb4e24265bb8072a31e">D</a>, <a class="el" href="dwt_8c.html#adf2e5771d87a854336befcd9d5599e04">D_</a>, <a class="el" href="dwt_8c.html#aa5b0a447715ed833c49df1aba699efa4">DD_</a>, <a class="el" href="group___f_i_x.html#ga7fda93dda8ed07e32803d7f2bf71b332">fix_mul()</a>, <a class="el" href="dwt_8c.html#a4bd0975d41d84f7e96245fec7648a780">S</a>, <a class="el" href="dwt_8c.html#a9f37c3122d4ac50f119c9ea4c0a1c286">S_</a>, and <a class="el" href="dwt_8c.html#a95f74301b237aee6219a083997217004">SS_</a>.</p>
<p>Referenced by <a class="el" href="group___d_w_t.html#ga58462c095709a07376990099a27e56dd">dwt_encode_real()</a>.</p>
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<td class="memname">void dwt_encode_real </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> * </td>
<td class="paramname"><em>tilec</em></td><td>)</td>
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<p>Forward 9-7 wavelet transform in 2-D. </p>
<p>Apply an irreversible DWT transform to a component of an image. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">tilec</td><td>Tile component information (current tile) </td></tr>
</table>
</dd>
</dl>
<p>References <a class="el" href="structopj__tcd__tilecomp.html#ac36cbeab674103a0fbdffdec8775a51b">opj_tcd_tilecomp::data</a>, <a class="el" href="group___d_w_t.html#ga60fcac70d0894e6f3a2dff387233f746">dwt_deinterleave_h()</a>, <a class="el" href="group___d_w_t.html#gaca83ae8400a44ac8affe3c2580248600">dwt_deinterleave_v()</a>, <a class="el" href="group___d_w_t.html#gae12022b65750d7411b92e441f9e310d3">dwt_encode_1_real()</a>, <a class="el" href="structopj__tcd__tilecomp.html#aba8f13960039a11e55e9d5eea1349837">opj_tcd_tilecomp::numresolutions</a>, <a class="el" href="group___m_i_s_c.html#ga700b1aef6148bd6c3edde626610ffe2f">opj_free</a>, <a class="el" href="group___m_i_s_c.html#gaed655b4c0cec54620065ab1abf56e8cc">opj_malloc</a>, <a class="el" href="structopj__tcd__tilecomp.html#a98466597d37dad1b049ffae6b9722885">opj_tcd_tilecomp::resolutions</a>, <a class="el" href="structopj__tcd__resolution.html#a897ed54654f37d2b7afc3b8590087076">opj_tcd_resolution::x0</a>, <a class="el" href="structopj__tcd__tilecomp.html#a0d5951d9aeba48db3c6870f6bacce990">opj_tcd_tilecomp::x0</a>, <a class="el" href="structopj__tcd__resolution.html#aa894db098e27c9153faac0d06aa5d432">opj_tcd_resolution::x1</a>, <a class="el" href="structopj__tcd__tilecomp.html#a82c8e2be2404be3d830bb22873ed9174">opj_tcd_tilecomp::x1</a>, <a class="el" href="structopj__tcd__resolution.html#a9ecb52fb56cc8e6031cada55c79f02a5">opj_tcd_resolution::y0</a>, and <a class="el" href="structopj__tcd__resolution.html#aadcc0da709525e7421bdb87315f6f5ce">opj_tcd_resolution::y1</a>.</p>
<p>Referenced by <a class="el" href="group___t_c_d.html#ga774c7c7fc3c00be915492c41ef2277ca">tcd_encode_tile()</a>.</p>
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<td class="memname">static void dwt_encode_stepsize </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>stepsize</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>numbps</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___j2_k.html#ga0ad456b88c684f8d81cc5962867046e7">opj_stepsize_t</a> * </td>
<td class="paramname"><em>bandno_stepsize</em> </td>
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<p>Explicit calculation of the Quantization Stepsizes. </p>
<p>References <a class="el" href="structopj__stepsize.html#ac7b819b71cb97715c2f8d895ccf7d7fa">opj_stepsize::expn</a>, <a class="el" href="group___i_n_t.html#ga6496e29a8a8e36c41be21145f73415b9">int_floorlog2()</a>, and <a class="el" href="structopj__stepsize.html#adaf0cf5289cf33c3ad23db4feb2d815d">opj_stepsize::mant</a>.</p>
<p>Referenced by <a class="el" href="group___d_w_t.html#ga2e2074a513f1ae448b3bc3a4219dcd68">dwt_calc_explicit_stepsizes()</a>.</p>
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<td class="memname">int dwt_getgain </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>orient</em></td><td>)</td>
<td></td>
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<p>Get the gain of a subband for the reversible 5-3 DWT. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">orient</td><td>Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns 0 if orient = 0, returns 1 if orient = 1 or 2, returns 2 otherwise </dd></dl>
<p>Referenced by <a class="el" href="group___t_c_d.html#ga6b47fd7ba9cd257d0152c2b07db305bf">tcd_init_encode()</a>, <a class="el" href="group___t_c_d.html#ga151549c48f62e9a04cb87b3bfcbc9f0f">tcd_malloc_decode_tile()</a>, and <a class="el" href="group___t_c_d.html#gab6d31f17fc962c8e1bfed4df51bb7cfe">tcd_malloc_encode()</a>.</p>
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<td class="memname">int dwt_getgain_real </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>orient</em></td><td>)</td>
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<p>Get the gain of a subband for the irreversible 9-7 DWT. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">orient</td><td>Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns the gain of the 9-7 wavelet transform </dd></dl>
<p>Referenced by <a class="el" href="group___t_c_d.html#ga6b47fd7ba9cd257d0152c2b07db305bf">tcd_init_encode()</a>, <a class="el" href="group___t_c_d.html#ga151549c48f62e9a04cb87b3bfcbc9f0f">tcd_malloc_decode_tile()</a>, and <a class="el" href="group___t_c_d.html#gab6d31f17fc962c8e1bfed4df51bb7cfe">tcd_malloc_encode()</a>.</p>
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<td class="memname">double dwt_getnorm </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>level</em>, </td>
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<td class="paramname"><em>orient</em> </td>
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<p>Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">level</td><td>Level of the wavelet function </td></tr>
<tr><td class="paramname">orient</td><td>Band of the wavelet function </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns the norm of the wavelet function </dd></dl>
<p>References <a class="el" href="dwt_8c.html#aa46aadd4fde3a96a736241e3be58653a">dwt_norms</a>.</p>
<p>Referenced by <a class="el" href="group___t1.html#ga64848588b58ad4fe51328200d299bd85">t1_getwmsedec()</a>.</p>
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<td class="memname">double dwt_getnorm_real </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>level</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>orient</em> </td>
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<p>Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">level</td><td>Level of the wavelet function </td></tr>
<tr><td class="paramname">orient</td><td>Band of the wavelet function </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Returns the norm of the 9-7 wavelet </dd></dl>
<p>References <a class="el" href="dwt_8c.html#a4f05fd5f016bd8b9cdd7936fff54ddb9">dwt_norms_real</a>.</p>
<p>Referenced by <a class="el" href="group___t1.html#ga64848588b58ad4fe51328200d299bd85">t1_getwmsedec()</a>.</p>
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<td class="memname">static void dwt_interleave_h </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a> * </td>
<td class="paramname"><em>h</em>, </td>
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<td></td>
<td class="paramtype">int * </td>
<td class="paramname"><em>a</em> </td>
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<td>)</td>
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<p>Inverse lazy transform (horizontal) </p>
<p>References <a class="el" href="structdwt__local.html#ae90cd78b287040a774a35a0bc9cfbf02">dwt_local::cas</a>, <a class="el" href="structdwt__local.html#a8c8726e9428fffe45faecf466c45b8d3">dwt_local::dn</a>, <a class="el" href="structdwt__local.html#a66c0575ede079850adc101ad4375c3f7">dwt_local::mem</a>, and <a class="el" href="structdwt__local.html#a8ddb9b59609c7f417b3cfd0797fa00e8">dwt_local::sn</a>.</p>
<p>Referenced by <a class="el" href="group___d_w_t.html#ga4d4fa494724b43a8c0c7fba326116e93">dwt_decode_tile()</a>.</p>
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<td class="memname">static void dwt_interleave_v </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___d_w_t.html#ga2cacdfc64091f7ac0fabad3c00dbe760">dwt_t</a> * </td>
<td class="paramname"><em>v</em>, </td>
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<td></td>
<td class="paramtype">int * </td>
<td class="paramname"><em>a</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>x</em> </td>
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<td>)</td>
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<p>Inverse lazy transform (vertical) </p>
<p>References <a class="el" href="structdwt__local.html#ae90cd78b287040a774a35a0bc9cfbf02">dwt_local::cas</a>, <a class="el" href="structdwt__local.html#a8c8726e9428fffe45faecf466c45b8d3">dwt_local::dn</a>, <a class="el" href="structdwt__local.html#a66c0575ede079850adc101ad4375c3f7">dwt_local::mem</a>, and <a class="el" href="structdwt__local.html#a8ddb9b59609c7f417b3cfd0797fa00e8">dwt_local::sn</a>.</p>
<p>Referenced by <a class="el" href="group___d_w_t.html#ga4d4fa494724b43a8c0c7fba326116e93">dwt_decode_tile()</a>.</p>
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<h2 class="groupheader">Variable Documentation</h2>
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<td class="memname">const float c13318 = 1.625732422f</td>
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<p>Referenced by <a class="el" href="dwt_8c.html#a55ac007980ae647ac31803080eb3d3a4">v4dwt_decode()</a>.</p>
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<td class="memname">const float dwt_alpha = 1.586134342f</td>
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<p>Referenced by <a class="el" href="dwt_8c.html#a55ac007980ae647ac31803080eb3d3a4">v4dwt_decode()</a>.</p>
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<td class="memname">const float dwt_beta = 0.052980118f</td>
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<p>Referenced by <a class="el" href="dwt_8c.html#a55ac007980ae647ac31803080eb3d3a4">v4dwt_decode()</a>.</p>
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<td class="memname">const float dwt_delta = -0.443506852f</td>
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<p>Referenced by <a class="el" href="dwt_8c.html#a55ac007980ae647ac31803080eb3d3a4">v4dwt_decode()</a>.</p>
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<td class="memname">const float dwt_gamma = -0.882911075f</td>
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<p>Referenced by <a class="el" href="dwt_8c.html#a55ac007980ae647ac31803080eb3d3a4">v4dwt_decode()</a>.</p>
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<td class="memname">const float K = 1.230174105f</td>
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<p>Referenced by <a class="el" href="group___t_c_d.html#ga7f0c1a599dee1eddda33b6ad08034709">tcd_rateallocate()</a>, and <a class="el" href="dwt_8c.html#a55ac007980ae647ac31803080eb3d3a4">v4dwt_decode()</a>.</p>
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