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 <span id="projectnumber">2.3.0</span>
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<div class="title">dwt.h File Reference</div> </div>
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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:ga791590b5a5c6637fc4809fe4dd793ce0"><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="group___d_w_t.html#ga791590b5a5c6637fc4809fe4dd793ce0">opj_dwt_encode</a> (<a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> *tilec)</td></tr>
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<tr class="memdesc:ga791590b5a5c6637fc4809fe4dd793ce0"><td class="mdescLeft"> </td><td class="mdescRight">Forward 5-3 wavelet transform in 2-D. <a href="group___d_w_t.html#ga791590b5a5c6637fc4809fe4dd793ce0">More...</a><br /></td></tr>
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<tr class="separator:ga791590b5a5c6637fc4809fe4dd793ce0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga67d22fad344dd6d7b1b3b3a237bea8d6"><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="group___d_w_t.html#ga67d22fad344dd6d7b1b3b3a237bea8d6">opj_dwt_decode</a> (<a class="el" href="group___t_c_d.html#ga27d4f057f1b892c5a38296d044803e3d">opj_tcd_t</a> *p_tcd, <a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">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:ga67d22fad344dd6d7b1b3b3a237bea8d6"><td class="mdescLeft"> </td><td class="mdescRight">Inverse 5-3 wavelet transform in 2-D. <a href="group___d_w_t.html#ga67d22fad344dd6d7b1b3b3a237bea8d6">More...</a><br /></td></tr>
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<tr class="separator:ga67d22fad344dd6d7b1b3b3a237bea8d6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga42f534b2676d3b3f221f7a4c7a56506c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga42f534b2676d3b3f221f7a4c7a56506c">opj_dwt_getgain</a> (<a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> orient)</td></tr>
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<tr class="memdesc:ga42f534b2676d3b3f221f7a4c7a56506c"><td class="mdescLeft"> </td><td class="mdescRight">Get the gain of a subband for the reversible 5-3 DWT. <a href="group___d_w_t.html#ga42f534b2676d3b3f221f7a4c7a56506c">More...</a><br /></td></tr>
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<tr class="separator:ga42f534b2676d3b3f221f7a4c7a56506c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga15113da09b4cb72cf2c34433c059adf9"><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="group___d_w_t.html#ga15113da09b4cb72cf2c34433c059adf9">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:ga15113da09b4cb72cf2c34433c059adf9"><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="group___d_w_t.html#ga15113da09b4cb72cf2c34433c059adf9">More...</a><br /></td></tr>
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<tr class="separator:ga15113da09b4cb72cf2c34433c059adf9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad52a1e135848898a492fd8117683bd31"><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="group___d_w_t.html#gad52a1e135848898a492fd8117683bd31">opj_dwt_encode_real</a> (<a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">opj_tcd_tilecomp_t</a> *tilec)</td></tr>
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<tr class="memdesc:gad52a1e135848898a492fd8117683bd31"><td class="mdescLeft"> </td><td class="mdescRight">Forward 9-7 wavelet transform in 2-D. <a href="group___d_w_t.html#gad52a1e135848898a492fd8117683bd31">More...</a><br /></td></tr>
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<tr class="separator:gad52a1e135848898a492fd8117683bd31"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gadfd8b0e16f120a93b65b922bb2476c87"><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="group___d_w_t.html#gadfd8b0e16f120a93b65b922bb2476c87">opj_dwt_decode_real</a> (<a class="el" href="group___t_c_d.html#ga27d4f057f1b892c5a38296d044803e3d">opj_tcd_t</a> *p_tcd, <a class="el" href="group___t_c_d.html#ga93b81f0bd84473329d4591adbfc94b29">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:gadfd8b0e16f120a93b65b922bb2476c87"><td class="mdescLeft"> </td><td class="mdescRight">Inverse 9-7 wavelet transform in 2-D. <a href="group___d_w_t.html#gadfd8b0e16f120a93b65b922bb2476c87">More...</a><br /></td></tr>
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<tr class="separator:gadfd8b0e16f120a93b65b922bb2476c87"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga31b27675dfe6b866e2dcf9317610608b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga31b27675dfe6b866e2dcf9317610608b">opj_dwt_getgain_real</a> (<a class="el" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> orient)</td></tr>
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<tr class="memdesc:ga31b27675dfe6b866e2dcf9317610608b"><td class="mdescLeft"> </td><td class="mdescRight">Get the gain of a subband for the irreversible 9-7 DWT. <a href="group___d_w_t.html#ga31b27675dfe6b866e2dcf9317610608b">More...</a><br /></td></tr>
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<tr class="separator:ga31b27675dfe6b866e2dcf9317610608b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga330f64c5e2755f1b2a3c1d2b591d09ed"><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="group___d_w_t.html#ga330f64c5e2755f1b2a3c1d2b591d09ed">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:ga330f64c5e2755f1b2a3c1d2b591d09ed"><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="group___d_w_t.html#ga330f64c5e2755f1b2a3c1d2b591d09ed">More...</a><br /></td></tr>
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<tr class="separator:ga330f64c5e2755f1b2a3c1d2b591d09ed"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga1cbaf895c3ddcf1990d30d07e7604980"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___d_w_t.html#ga1cbaf895c3ddcf1990d30d07e7604980">opj_dwt_calc_explicit_stepsizes</a> (<a class="el" href="group___j2_k.html#ga9c76db3caa96a43b557791b7b7509572">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:ga1cbaf895c3ddcf1990d30d07e7604980"><td class="mdescLeft"> </td><td class="mdescRight">Explicit calculation of the Quantization Stepsizes. <a href="group___d_w_t.html#ga1cbaf895c3ddcf1990d30d07e7604980">More...</a><br /></td></tr>
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<tr class="separator:ga1cbaf895c3ddcf1990d30d07e7604980"><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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