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 <span id="projectnumber">2.5.0</span>
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<div class="title">dwt.h File Reference</div> </div>
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<div class="contents">
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<p>Implementation of a discrete wavelet transform (DWT)
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<a href="#details">More...</a></p>
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<p><a href="dwt_8h_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Exported functions</div></td></tr>
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<tr class="memitem:a8c18c8b8503ce2fc2c1504f8e52344d6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="dwt_8h.html#a8c18c8b8503ce2fc2c1504f8e52344d6">opj_dwt_encode</a> (<a class="el" href="tcd_8h.html#a375332e9a71d27f3c59d118bc34fa4b6">opj_tcd_t</a> *p_tcd, <a class="el" href="tcd_8h.html#ae703c0fbaa0ad3f4c324284910b33349">opj_tcd_tilecomp_t</a> *tilec)</td></tr>
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<tr class="memdesc:a8c18c8b8503ce2fc2c1504f8e52344d6"><td class="mdescLeft"> </td><td class="mdescRight">Forward 5-3 wavelet transform in 2-D. <a href="dwt_8h.html#a8c18c8b8503ce2fc2c1504f8e52344d6">More...</a><br /></td></tr>
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<tr class="separator:a8c18c8b8503ce2fc2c1504f8e52344d6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a67d22fad344dd6d7b1b3b3a237bea8d6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="dwt_8h.html#a67d22fad344dd6d7b1b3b3a237bea8d6">opj_dwt_decode</a> (<a class="el" href="tcd_8h.html#a375332e9a71d27f3c59d118bc34fa4b6">opj_tcd_t</a> *p_tcd, <a class="el" href="tcd_8h.html#ae703c0fbaa0ad3f4c324284910b33349">opj_tcd_tilecomp_t</a> *tilec, <a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> numres)</td></tr>
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<tr class="memdesc:a67d22fad344dd6d7b1b3b3a237bea8d6"><td class="mdescLeft"> </td><td class="mdescRight">Inverse 5-3 wavelet transform in 2-D. <a href="dwt_8h.html#a67d22fad344dd6d7b1b3b3a237bea8d6">More...</a><br /></td></tr>
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<tr class="separator:a67d22fad344dd6d7b1b3b3a237bea8d6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a15113da09b4cb72cf2c34433c059adf9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#a2e5e9eaf3c126e11d1f058b78a0bce78">OPJ_FLOAT64</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="dwt_8h.html#a15113da09b4cb72cf2c34433c059adf9">opj_dwt_getnorm</a> (<a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> level, <a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> orient)</td></tr>
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<tr class="memdesc:a15113da09b4cb72cf2c34433c059adf9"><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="dwt_8h.html#a15113da09b4cb72cf2c34433c059adf9">More...</a><br /></td></tr>
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<tr class="separator:a15113da09b4cb72cf2c34433c059adf9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a712062652d29679326bc9929da3cfc36"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="dwt_8h.html#a712062652d29679326bc9929da3cfc36">opj_dwt_encode_real</a> (<a class="el" href="tcd_8h.html#a375332e9a71d27f3c59d118bc34fa4b6">opj_tcd_t</a> *p_tcd, <a class="el" href="tcd_8h.html#ae703c0fbaa0ad3f4c324284910b33349">opj_tcd_tilecomp_t</a> *tilec)</td></tr>
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<tr class="memdesc:a712062652d29679326bc9929da3cfc36"><td class="mdescLeft"> </td><td class="mdescRight">Forward 9-7 wavelet transform in 2-D. <a href="dwt_8h.html#a712062652d29679326bc9929da3cfc36">More...</a><br /></td></tr>
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<tr class="separator:a712062652d29679326bc9929da3cfc36"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:adfd8b0e16f120a93b65b922bb2476c87"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="dwt_8h.html#adfd8b0e16f120a93b65b922bb2476c87">opj_dwt_decode_real</a> (<a class="el" href="tcd_8h.html#a375332e9a71d27f3c59d118bc34fa4b6">opj_tcd_t</a> *p_tcd, <a class="el" href="tcd_8h.html#ae703c0fbaa0ad3f4c324284910b33349">opj_tcd_tilecomp_t</a> *<a class="el" href="opj__includes_8h.html#a47acbf7ae97e1ef7371a1c92a42505b2">OPJ_RESTRICT</a> tilec, <a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> numres)</td></tr>
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<tr class="memdesc:adfd8b0e16f120a93b65b922bb2476c87"><td class="mdescLeft"> </td><td class="mdescRight">Inverse 9-7 wavelet transform in 2-D. <a href="dwt_8h.html#adfd8b0e16f120a93b65b922bb2476c87">More...</a><br /></td></tr>
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<tr class="separator:adfd8b0e16f120a93b65b922bb2476c87"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a330f64c5e2755f1b2a3c1d2b591d09ed"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#a2e5e9eaf3c126e11d1f058b78a0bce78">OPJ_FLOAT64</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="dwt_8h.html#a330f64c5e2755f1b2a3c1d2b591d09ed">opj_dwt_getnorm_real</a> (<a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> level, <a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> orient)</td></tr>
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<tr class="memdesc:a330f64c5e2755f1b2a3c1d2b591d09ed"><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="dwt_8h.html#a330f64c5e2755f1b2a3c1d2b591d09ed">More...</a><br /></td></tr>
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<tr class="separator:a330f64c5e2755f1b2a3c1d2b591d09ed"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1cbaf895c3ddcf1990d30d07e7604980"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="dwt_8h.html#a1cbaf895c3ddcf1990d30d07e7604980">opj_dwt_calc_explicit_stepsizes</a> (<a class="el" href="j2k_8h.html#ae39069313e95d355a2f06314b0e31506">opj_tccp_t</a> *tccp, <a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> prec)</td></tr>
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<tr class="memdesc:a1cbaf895c3ddcf1990d30d07e7604980"><td class="mdescLeft"> </td><td class="mdescRight">Explicit calculation of the Quantization Stepsizes. <a href="dwt_8h.html#a1cbaf895c3ddcf1990d30d07e7604980">More...</a><br /></td></tr>
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<tr class="separator:a1cbaf895c3ddcf1990d30d07e7604980"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Implementation of a discrete wavelet transform (DWT) </p>
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<p>The functions in <a class="el" href="dwt_8c.html">DWT.C</a> have for goal to realize forward and inverse discret wavelet transform with filter 5-3 (reversible) and filter 9-7 (irreversible). The functions in <a class="el" href="dwt_8c.html">DWT.C</a> are used by some function in <a class="el" href="tcd_8c.html">TCD.C</a>. </p>
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</div><h2 class="groupheader">Function Documentation</h2>
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<a id="a1cbaf895c3ddcf1990d30d07e7604980"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a1cbaf895c3ddcf1990d30d07e7604980">◆ </a></span>opj_dwt_calc_explicit_stepsizes()</h2>
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<td class="memname">void opj_dwt_calc_explicit_stepsizes </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="j2k_8h.html#ae39069313e95d355a2f06314b0e31506">opj_tccp_t</a> * </td>
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<td class="paramname"><em>tccp</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td>
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<td class="paramname"><em>prec</em> </td>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Explicit calculation of the Quantization Stepsizes. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tccp</td><td>Tile-component coding parameters </td></tr>
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<tr><td class="paramname">prec</td><td>Precint analyzed </td></tr>
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</table>
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</dd>
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<p class="reference">References <a class="el" href="j2k_8h.html#a95708dcd92905b704bc08ff4c4de7d16">J2K_CCP_QNTSTY_NOQNT</a>, <a class="el" href="structopj__tccp.html#af249fcfb382bd2cb9f6bb3127dcdcc69">opj_tccp::numresolutions</a>, <a class="el" href="dwt_8c.html#ab25c1a377c367a7246c24179477cd956">opj_dwt_encode_stepsize()</a>, <a class="el" href="dwt_8c.html#a330f64c5e2755f1b2a3c1d2b591d09ed">opj_dwt_getnorm_real()</a>, <a class="el" href="structopj__tccp.html#a38ec604e02abf9b03186d2b8e27a901a">opj_tccp::qmfbid</a>, <a class="el" href="structopj__tccp.html#a7233a67053baa3736ca930c74f6fdf04">opj_tccp::qntsty</a>, and <a class="el" href="structopj__tccp.html#a3506d4d8fb552fb7accdd0a6bf78930c">opj_tccp::stepsizes</a>.</p>
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<p class="reference">Referenced by <a class="el" href="j2k_8h.html#a4a6561d0899d91b38099da38814cbe86">opj_j2k_setup_encoder()</a>.</p>
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</div>
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</div>
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<a id="a67d22fad344dd6d7b1b3b3a237bea8d6"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a67d22fad344dd6d7b1b3b3a237bea8d6">◆ </a></span>opj_dwt_decode()</h2>
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<td class="memname"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> opj_dwt_decode </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="tcd_8h.html#a375332e9a71d27f3c59d118bc34fa4b6">opj_tcd_t</a> * </td>
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<td class="paramname"><em>p_tcd</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="tcd_8h.html#ae703c0fbaa0ad3f4c324284910b33349">opj_tcd_tilecomp_t</a> * </td>
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<td class="paramname"><em>tilec</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td>
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<td class="paramname"><em>numres</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Inverse 5-3 wavelet transform in 2-D. </p>
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<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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<table class="params">
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<tr><td class="paramname">p_tcd</td><td>TCD handle </td></tr>
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<tr><td class="paramname">tilec</td><td>Tile component information (current tile) </td></tr>
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<tr><td class="paramname">numres</td><td>Number of resolution levels to decode </td></tr>
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</table>
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</dd>
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</dl>
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<p class="reference">References <a class="el" href="dwt_8c.html#a74b827f7914de05bf5bfc52894894803">opj_dwt_decode_partial_tile()</a>, <a class="el" href="dwt_8c.html#a473550255363b8acb0c9b10a6dbac434">opj_dwt_decode_tile()</a>, <a class="el" href="structopj__tcd.html#ad59ef39d08151a05bc6b0bb693607370">opj_tcd::thread_pool</a>, and <a class="el" href="structopj__tcd.html#a48dce2050b28e97e44fbe918e4f93f9c">opj_tcd::whole_tile_decoding</a>.</p>
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<p class="reference">Referenced by <a class="el" href="bench__dwt_8c.html#a3c04138a5bfe5d72780bb7e82a18e627">main()</a>, and <a class="el" href="tcd_8c.html#ae09ea737a5830d3981972f0749918376">opj_tcd_dwt_decode()</a>.</p>
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<a id="adfd8b0e16f120a93b65b922bb2476c87"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#adfd8b0e16f120a93b65b922bb2476c87">◆ </a></span>opj_dwt_decode_real()</h2>
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<td class="memname"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> opj_dwt_decode_real </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="tcd_8h.html#a375332e9a71d27f3c59d118bc34fa4b6">opj_tcd_t</a> * </td>
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<td class="paramname"><em>p_tcd</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="tcd_8h.html#ae703c0fbaa0ad3f4c324284910b33349">opj_tcd_tilecomp_t</a> *<a class="el" href="opj__includes_8h.html#a47acbf7ae97e1ef7371a1c92a42505b2">OPJ_RESTRICT</a> </td>
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<td class="paramname"><em>tilec</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td>
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<td class="paramname"><em>numres</em> </td>
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<td>)</td>
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<p>Inverse 9-7 wavelet transform in 2-D. </p>
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<p>Apply an irreversible inverse DWT transform to a component of an image. </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">p_tcd</td><td>TCD handle </td></tr>
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<tr><td class="paramname">tilec</td><td>Tile component information (current tile) </td></tr>
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<tr><td class="paramname">numres</td><td>Number of resolution levels to decode </td></tr>
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<p class="reference">References <a class="el" href="dwt_8c.html#a75cd080404aadce6662457dec7cc9d21">opj_dwt_decode_partial_97()</a>, <a class="el" href="dwt_8c.html#af833f69ca2dd4480b97b2afd7ea0322b">opj_dwt_decode_tile_97()</a>, <a class="el" href="structopj__tcd.html#ad59ef39d08151a05bc6b0bb693607370">opj_tcd::thread_pool</a>, and <a class="el" href="structopj__tcd.html#a48dce2050b28e97e44fbe918e4f93f9c">opj_tcd::whole_tile_decoding</a>.</p>
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<p class="reference">Referenced by <a class="el" href="bench__dwt_8c.html#a3c04138a5bfe5d72780bb7e82a18e627">main()</a>, and <a class="el" href="tcd_8c.html#ae09ea737a5830d3981972f0749918376">opj_tcd_dwt_decode()</a>.</p>
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<a id="a8c18c8b8503ce2fc2c1504f8e52344d6"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a8c18c8b8503ce2fc2c1504f8e52344d6">◆ </a></span>opj_dwt_encode()</h2>
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<td class="memname"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> opj_dwt_encode </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="tcd_8h.html#a375332e9a71d27f3c59d118bc34fa4b6">opj_tcd_t</a> * </td>
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<td class="paramname"><em>p_tcd</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="tcd_8h.html#ae703c0fbaa0ad3f4c324284910b33349">opj_tcd_tilecomp_t</a> * </td>
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<td class="paramname"><em>tilec</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Forward 5-3 wavelet transform in 2-D. </p>
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<p>Apply a reversible DWT transform to a component of an image. </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">p_tcd</td><td>TCD handle </td></tr>
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<tr><td class="paramname">tilec</td><td>Tile component information (current tile) </td></tr>
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</table>
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</dd>
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</dl>
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<p class="reference">References <a class="el" href="dwt_8c.html#afd15cc8308c74d66f798554fa1ab4c72">opj_dwt_encode_and_deinterleave_h_one_row()</a>, <a class="el" href="dwt_8c.html#ab6a2257e5ec87f528097e3aebd4ed9b1">opj_dwt_encode_and_deinterleave_v()</a>, <a class="el" href="dwt_8c.html#aaae701033c6732995e99ce22d8bffba8">opj_dwt_encode_procedure()</a>, and <a class="el" href="structopj__tcd.html#ad59ef39d08151a05bc6b0bb693607370">opj_tcd::thread_pool</a>.</p>
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<p class="reference">Referenced by <a class="el" href="bench__dwt_8c.html#a3c04138a5bfe5d72780bb7e82a18e627">main()</a>, and <a class="el" href="tcd_8c.html#a044d8c47b267665af6abd3b3c6cc2d3e">opj_tcd_dwt_encode()</a>.</p>
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<a id="a712062652d29679326bc9929da3cfc36"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a712062652d29679326bc9929da3cfc36">◆ </a></span>opj_dwt_encode_real()</h2>
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<td class="memname"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> opj_dwt_encode_real </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="tcd_8h.html#a375332e9a71d27f3c59d118bc34fa4b6">opj_tcd_t</a> * </td>
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<td class="paramname"><em>p_tcd</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="tcd_8h.html#ae703c0fbaa0ad3f4c324284910b33349">opj_tcd_tilecomp_t</a> * </td>
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<td class="paramname"><em>tilec</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Forward 9-7 wavelet transform in 2-D. </p>
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<p>Apply an irreversible DWT transform to a component of an image. </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">p_tcd</td><td>TCD handle </td></tr>
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<tr><td class="paramname">tilec</td><td>Tile component information (current tile) </td></tr>
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</table>
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</dd>
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</dl>
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<p class="reference">References <a class="el" href="dwt_8c.html#a7e9621b9a012eeb9b9f20a031429f4bc">opj_dwt_encode_and_deinterleave_h_one_row_real()</a>, <a class="el" href="dwt_8c.html#a73fa649f429612dccea5206f625bd806">opj_dwt_encode_and_deinterleave_v_real()</a>, <a class="el" href="dwt_8c.html#aaae701033c6732995e99ce22d8bffba8">opj_dwt_encode_procedure()</a>, and <a class="el" href="structopj__tcd.html#ad59ef39d08151a05bc6b0bb693607370">opj_tcd::thread_pool</a>.</p>
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<p class="reference">Referenced by <a class="el" href="bench__dwt_8c.html#a3c04138a5bfe5d72780bb7e82a18e627">main()</a>, and <a class="el" href="tcd_8c.html#a044d8c47b267665af6abd3b3c6cc2d3e">opj_tcd_dwt_encode()</a>.</p>
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</div>
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<a id="a15113da09b4cb72cf2c34433c059adf9"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a15113da09b4cb72cf2c34433c059adf9">◆ </a></span>opj_dwt_getnorm()</h2>
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<td class="memname"><a class="el" href="openjpeg_8h.html#a2e5e9eaf3c126e11d1f058b78a0bce78">OPJ_FLOAT64</a> opj_dwt_getnorm </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td>
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<td class="paramname"><em>level</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td>
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<td class="paramname"><em>orient</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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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>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">level</td><td>Level of the wavelet function </td></tr>
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<tr><td class="paramname">orient</td><td>Band of the wavelet function </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Returns the norm of the wavelet function </dd></dl>
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<p class="reference">References <a class="el" href="dwt_8c.html#a89771527f21d8d0263dec95f8dc6719a">opj_dwt_norms</a>.</p>
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<p class="reference">Referenced by <a class="el" href="t1_8c.html#a569bb3939e11d7817a297739d06950b0">opj_t1_getwmsedec()</a>.</p>
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<a id="a330f64c5e2755f1b2a3c1d2b591d09ed"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a330f64c5e2755f1b2a3c1d2b591d09ed">◆ </a></span>opj_dwt_getnorm_real()</h2>
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<td class="memname"><a class="el" href="openjpeg_8h.html#a2e5e9eaf3c126e11d1f058b78a0bce78">OPJ_FLOAT64</a> opj_dwt_getnorm_real </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td>
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<td class="paramname"><em>level</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td>
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<td class="paramname"><em>orient</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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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>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">level</td><td>Level of the wavelet function </td></tr>
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<tr><td class="paramname">orient</td><td>Band of the wavelet function </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Returns the norm of the 9-7 wavelet </dd></dl>
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<p class="reference">References <a class="el" href="dwt_8c.html#ad63482114deaec210544670eff0735b0">opj_dwt_norms_real</a>.</p>
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<p class="reference">Referenced by <a class="el" href="dwt_8h.html#a1cbaf895c3ddcf1990d30d07e7604980">opj_dwt_calc_explicit_stepsizes()</a>, and <a class="el" href="t1_8c.html#a569bb3939e11d7817a297739d06950b0">opj_t1_getwmsedec()</a>.</p>
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