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 <span id="projectnumber">3.03</span>
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<div class="title">/usr/local/google/home/jbreiden/tesseract-ocr-read-only/wordrec/associate.cpp</div> </div>
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<div class="contents">
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<a href="a01219.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
104
<a name="l00002"></a>00002 <span class="comment">// File: associate.cpp</span>
105
<a name="l00003"></a>00003 <span class="comment">// Description: Functions for scoring segmentation paths according to</span>
106
<a name="l00004"></a>00004 <span class="comment">// their character widths, gap widths and seam cuts.</span>
107
<a name="l00005"></a>00005 <span class="comment">// Author: Daria Antonova</span>
108
<a name="l00006"></a>00006 <span class="comment">// Created: Mon Mar 8 11:26:43 PDT 2010</span>
109
<a name="l00007"></a>00007 <span class="comment">//</span>
110
<a name="l00008"></a>00008 <span class="comment">// (C) Copyright 2010, Google Inc.</span>
111
<a name="l00009"></a>00009 <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span>
112
<a name="l00010"></a>00010 <span class="comment">// you may not use this file except in compliance with the License.</span>
113
<a name="l00011"></a>00011 <span class="comment">// You may obtain a copy of the License at</span>
114
<a name="l00012"></a>00012 <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span>
115
<a name="l00013"></a>00013 <span class="comment">// Unless required by applicable law or agreed to in writing, software</span>
116
<a name="l00014"></a>00014 <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span>
117
<a name="l00015"></a>00015 <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
118
<a name="l00016"></a>00016 <span class="comment">// See the License for the specific language governing permissions and</span>
119
<a name="l00017"></a>00017 <span class="comment">// limitations under the License.</span>
120
<a name="l00018"></a>00018 <span class="comment">//</span>
121
<a name="l00020"></a>00020 <span class="comment"></span>
122
<a name="l00021"></a>00021
123
<a name="l00022"></a>00022 <span class="preprocessor">#include <stdio.h></span>
124
<a name="l00023"></a>00023 <span class="preprocessor">#ifdef __UNIX__</span>
125
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#include <assert.h></span>
126
<a name="l00025"></a>00025 <span class="preprocessor">#endif</span>
127
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#include <math.h></span>
128
<a name="l00027"></a>00027
129
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="a01220.html">associate.h</a>"</span>
130
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="a00759.html">normalis.h</a>"</span>
131
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="a00769.html">pageres.h</a>"</span>
132
<a name="l00031"></a>00031
133
<a name="l00032"></a>00032 <span class="keyword">namespace </span><a class="code" href="a01266.html#afed58feacb84df2de88bdd613cfdba6d">tesseract</a> {
134
<a name="l00033"></a>00033
135
<a name="l00034"></a>00034 <span class="keyword">const</span> <span class="keywordtype">float</span> <a class="code" href="a00262.html#a3bbebfa62ab6a7838649af61e9ef965f">AssociateUtils::kMaxFixedPitchCharAspectRatio</a> = 2.0f;
136
<a name="l00035"></a>00035 <span class="keyword">const</span> <span class="keywordtype">float</span> <a class="code" href="a00262.html#aa6ed9abceac9a721db5d174ff0e7c119">AssociateUtils::kMinGap</a> = 0.03f;
137
<a name="l00036"></a>00036
138
<a name="l00037"></a><a class="code" href="a00262.html#addbd0b3d90043ef77d53523d3591dd59">00037</a> <span class="keywordtype">void</span> <a class="code" href="a00262.html#addbd0b3d90043ef77d53523d3591dd59">AssociateUtils::ComputeStats</a>(<span class="keywordtype">int</span> col, <span class="keywordtype">int</span> row,
139
<a name="l00038"></a>00038 <span class="keyword">const</span> <a class="code" href="a00261.html">AssociateStats</a> *parent_stats,
140
<a name="l00039"></a>00039 <span class="keywordtype">int</span> parent_path_length,
141
<a name="l00040"></a>00040 <span class="keywordtype">bool</span> fixed_pitch,
142
<a name="l00041"></a>00041 <span class="keywordtype">float</span> max_char_wh_ratio,
143
<a name="l00042"></a>00042 <a class="code" href="a00650.html">WERD_RES</a> *word_res,
144
<a name="l00043"></a>00043 <span class="keywordtype">bool</span> debug,
145
<a name="l00044"></a>00044 <a class="code" href="a00261.html">AssociateStats</a> *stats) {
146
<a name="l00045"></a>00045 stats-><a class="code" href="a00261.html#a94932d58d48ea9317ce3d813d63079ec">Clear</a>();
147
<a name="l00046"></a>00046
148
<a name="l00047"></a>00047 <a class="code" href="a00823.html#a93a603f4063a6b9403d81caa245a583b">ASSERT_HOST</a>(word_res != NULL);
149
<a name="l00048"></a>00048 <span class="keywordflow">if</span> (word_res-><a class="code" href="a00650.html#a3aeb8deef67c5383e1a116049b994be4">blob_widths</a>.<a class="code" href="a00403.html#afb0d8c52a603b6aa965d63bbf06a27dd">empty</a>()) {
150
<a name="l00049"></a>00049 <span class="keywordflow">return</span>;
151
<a name="l00050"></a>00050 }
152
<a name="l00051"></a>00051 <span class="keywordflow">if</span> (debug) {
153
<a name="l00052"></a>00052 <a class="code" href="a00860.html#a02aa7cca2c3857c14716e8cca96ace6c">tprintf</a>(<span class="stringliteral">"AssociateUtils::ComputeStats() for col=%d, row=%d%s\n"</span>,
154
<a name="l00053"></a>00053 col, row, fixed_pitch ? <span class="stringliteral">" (fixed pitch)"</span> : <span class="stringliteral">""</span>);
155
<a name="l00054"></a>00054 }
156
<a name="l00055"></a>00055 <span class="keywordtype">float</span> normalizing_height = <a class="code" href="a00759.html#af974e6755e636c8bc7cbe57e3bcbdd73">kBlnXHeight</a>;
157
<a name="l00056"></a>00056 <a class="code" href="a00521.html">ROW</a>* blob_row = word_res-><a class="code" href="a00650.html#ad19fe10ab70cd975f21ae9c74753879a">blob_row</a>;
158
<a name="l00057"></a>00057 <span class="comment">// TODO(rays/daria) Can unicharset.script_has_xheight be useful here?</span>
159
<a name="l00058"></a>00058 <span class="keywordflow">if</span> (fixed_pitch && blob_row != NULL) {
160
<a name="l00059"></a>00059 <span class="comment">// For fixed pitch language like CJK, we use the full text height</span>
161
<a name="l00060"></a>00060 <span class="comment">// as the normalizing factor so we are not dependent on xheight</span>
162
<a name="l00061"></a>00061 <span class="comment">// calculation.</span>
163
<a name="l00062"></a>00062 <span class="keywordflow">if</span> (blob_row-><a class="code" href="a00521.html#ab657f290bd4e99106c7ea8868ce7072f">body_size</a>() > 0.0f) {
164
<a name="l00063"></a>00063 normalizing_height = word_res-><a class="code" href="a00650.html#a202d9d5d2a462d84012011c689e16605">denorm</a>.<a class="code" href="a00352.html#a712ca9b7a1041d92e53ee7023b870fc6">y_scale</a>() * blob_row-><a class="code" href="a00521.html#ab657f290bd4e99106c7ea8868ce7072f">body_size</a>();
165
<a name="l00064"></a>00064 } <span class="keywordflow">else</span> {
166
<a name="l00065"></a>00065 normalizing_height = word_res-><a class="code" href="a00650.html#a202d9d5d2a462d84012011c689e16605">denorm</a>.<a class="code" href="a00352.html#a712ca9b7a1041d92e53ee7023b870fc6">y_scale</a>() *
167
<a name="l00066"></a>00066 (blob_row-><a class="code" href="a00521.html#a2954f94ec4eefe1e3729912e5b8ea779">x_height</a>() + blob_row-><a class="code" href="a00521.html#a594cf3a3fd6dd203c8d0e58aa0c5227f">ascenders</a>());
168
<a name="l00067"></a>00067 }
169
<a name="l00068"></a>00068 <span class="keywordflow">if</span> (debug) {
170
<a name="l00069"></a>00069 <a class="code" href="a00860.html#a02aa7cca2c3857c14716e8cca96ace6c">tprintf</a>(<span class="stringliteral">"normalizing height = %g (scale %g xheight %g ascenders %g)\n"</span>,
171
<a name="l00070"></a>00070 normalizing_height, word_res-><a class="code" href="a00650.html#a202d9d5d2a462d84012011c689e16605">denorm</a>.<a class="code" href="a00352.html#a712ca9b7a1041d92e53ee7023b870fc6">y_scale</a>(),
172
<a name="l00071"></a>00071 blob_row-><a class="code" href="a00521.html#a2954f94ec4eefe1e3729912e5b8ea779">x_height</a>(), blob_row-><a class="code" href="a00521.html#a594cf3a3fd6dd203c8d0e58aa0c5227f">ascenders</a>());
173
<a name="l00072"></a>00072 }
174
<a name="l00073"></a>00073 }
175
<a name="l00074"></a>00074 <span class="keywordtype">float</span> wh_ratio = word_res-><a class="code" href="a00650.html#a7104318921889ed38e23323e97a079fd">GetBlobsWidth</a>(col, row) / normalizing_height;
176
<a name="l00075"></a>00075 <span class="keywordflow">if</span> (wh_ratio > max_char_wh_ratio) stats-><a class="code" href="a00261.html#a477458043cffc5f8f1387b53616e1148">bad_shape</a> = <span class="keyword">true</span>;
177
<a name="l00076"></a>00076 <span class="comment">// Compute the gap sum for this shape. If there are only negative or only</span>
178
<a name="l00077"></a>00077 <span class="comment">// positive gaps, record their sum in stats->gap_sum. However, if there is</span>
179
<a name="l00078"></a>00078 <span class="comment">// a mixture, record only the sum of the positive gaps.</span>
180
<a name="l00079"></a>00079 <span class="comment">// TODO(antonova): explain fragment.</span>
181
<a name="l00080"></a>00080 <span class="keywordtype">int</span> negative_gap_sum = 0;
182
<a name="l00081"></a>00081 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = col; c < row; ++c) {
183
<a name="l00082"></a>00082 <span class="keywordtype">int</span> gap = word_res-><a class="code" href="a00650.html#a14a8fa4736d57b643471c48291e23bfb">GetBlobsGap</a>(c);
184
<a name="l00083"></a>00083 (gap > 0) ? stats-><a class="code" href="a00261.html#a9350993c1c0e901679569dcc1c7a2027">gap_sum</a> += gap : negative_gap_sum += gap;
185
<a name="l00084"></a>00084 }
186
<a name="l00085"></a>00085 <span class="keywordflow">if</span> (stats-><a class="code" href="a00261.html#a9350993c1c0e901679569dcc1c7a2027">gap_sum</a> == 0) stats-><a class="code" href="a00261.html#a9350993c1c0e901679569dcc1c7a2027">gap_sum</a> = negative_gap_sum;
187
<a name="l00086"></a>00086 <span class="keywordflow">if</span> (debug) {
188
<a name="l00087"></a>00087 <a class="code" href="a00860.html#a02aa7cca2c3857c14716e8cca96ace6c">tprintf</a>(<span class="stringliteral">"wh_ratio=%g (max_char_wh_ratio=%g) gap_sum=%d %s\n"</span>,
189
<a name="l00088"></a>00088 wh_ratio, max_char_wh_ratio, stats-><a class="code" href="a00261.html#a9350993c1c0e901679569dcc1c7a2027">gap_sum</a>,
190
<a name="l00089"></a>00089 stats-><a class="code" href="a00261.html#a477458043cffc5f8f1387b53616e1148">bad_shape</a> ? <span class="stringliteral">"bad_shape"</span> : <span class="stringliteral">""</span>);
191
<a name="l00090"></a>00090 }
192
<a name="l00091"></a>00091 <span class="comment">// Compute shape_cost (for fixed pitch mode).</span>
193
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (fixed_pitch) {
194
<a name="l00093"></a>00093 <span class="keywordtype">bool</span> end_row = (row == (word_res-><a class="code" href="a00650.html#af7454f140688a32b2bebb60ab36e91ee">ratings</a>-><a class="code" href="a00264.html#a82cbdd8a6eb23048b3d1cb656d34a364">dimension</a>() - 1));
195
<a name="l00094"></a>00094
196
<a name="l00095"></a>00095 <span class="comment">// Ensure that the blob has gaps on the left and the right sides</span>
197
<a name="l00096"></a>00096 <span class="comment">// (except for beginning and ending punctuation) and that there is</span>
198
<a name="l00097"></a>00097 <span class="comment">// no cutting through ink at the blob boundaries.</span>
199
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (col > 0) {
200
<a name="l00099"></a>00099 <span class="keywordtype">float</span> left_gap = word_res-><a class="code" href="a00650.html#a14a8fa4736d57b643471c48291e23bfb">GetBlobsGap</a>(col - 1) / normalizing_height;
201
<a name="l00100"></a>00100 <a class="code" href="a00533.html">SEAM</a> *left_seam = word_res-><a class="code" href="a00650.html#a3d0de828a382a88581dafb5a304141f1">seam_array</a>[col - 1];
202
<a name="l00101"></a>00101 <span class="keywordflow">if</span> ((!end_row && left_gap < <a class="code" href="a00262.html#aa6ed9abceac9a721db5d174ff0e7c119">kMinGap</a>) || left_seam-><a class="code" href="a00533.html#a69d4a1583be12fbd22f1232d6ed0403f">priority</a> > 0.0f) {
203
<a name="l00102"></a>00102 stats-><a class="code" href="a00261.html#a477458043cffc5f8f1387b53616e1148">bad_shape</a> = <span class="keyword">true</span>;
204
<a name="l00103"></a>00103 }
205
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (debug) {
206
<a name="l00105"></a>00105 <a class="code" href="a00860.html#a02aa7cca2c3857c14716e8cca96ace6c">tprintf</a>(<span class="stringliteral">"left_gap %g, left_seam %g %s\n"</span>, left_gap, left_seam-><a class="code" href="a00533.html#a69d4a1583be12fbd22f1232d6ed0403f">priority</a>,
207
<a name="l00106"></a>00106 stats-><a class="code" href="a00261.html#a477458043cffc5f8f1387b53616e1148">bad_shape</a> ? <span class="stringliteral">"bad_shape"</span> : <span class="stringliteral">""</span>);
208
<a name="l00107"></a>00107 }
209
<a name="l00108"></a>00108 }
210
<a name="l00109"></a>00109 <span class="keywordtype">float</span> right_gap = 0.0f;
211
<a name="l00110"></a>00110 <span class="keywordflow">if</span> (!end_row) {
212
<a name="l00111"></a>00111 right_gap = word_res-><a class="code" href="a00650.html#a14a8fa4736d57b643471c48291e23bfb">GetBlobsGap</a>(row) / normalizing_height;
213
<a name="l00112"></a>00112 <a class="code" href="a00533.html">SEAM</a> *right_seam = word_res-><a class="code" href="a00650.html#a3d0de828a382a88581dafb5a304141f1">seam_array</a>[row];
214
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (right_gap < kMinGap || right_seam->priority > 0.0f) {
215
<a name="l00114"></a>00114 stats-><a class="code" href="a00261.html#a477458043cffc5f8f1387b53616e1148">bad_shape</a> = <span class="keyword">true</span>;
216
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (right_gap < <a class="code" href="a00262.html#aa6ed9abceac9a721db5d174ff0e7c119">kMinGap</a>) stats-><a class="code" href="a00261.html#aef322d855f9233bee2fc73f5420c054f">bad_fixed_pitch_right_gap</a> = <span class="keyword">true</span>;
217
<a name="l00116"></a>00116 }
218
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (debug) {
219
<a name="l00118"></a>00118 <a class="code" href="a00860.html#a02aa7cca2c3857c14716e8cca96ace6c">tprintf</a>(<span class="stringliteral">"right_gap %g right_seam %g %s\n"</span>,
220
<a name="l00119"></a>00119 right_gap, right_seam-><a class="code" href="a00533.html#a69d4a1583be12fbd22f1232d6ed0403f">priority</a>,
221
<a name="l00120"></a>00120 stats-><a class="code" href="a00261.html#a477458043cffc5f8f1387b53616e1148">bad_shape</a> ? <span class="stringliteral">"bad_shape"</span> : <span class="stringliteral">""</span>);
222
<a name="l00121"></a>00121 }
223
<a name="l00122"></a>00122 }
224
<a name="l00123"></a>00123
225
<a name="l00124"></a>00124 <span class="comment">// Impose additional segmentation penalties if blob widths or gaps</span>
226
<a name="l00125"></a>00125 <span class="comment">// distribution don't fit a fixed-pitch model.</span>
227
<a name="l00126"></a>00126 <span class="comment">// Since we only know the widths and gaps of the path explored so far,</span>
228
<a name="l00127"></a>00127 <span class="comment">// the means and variances are computed for the path so far (not</span>
229
<a name="l00128"></a>00128 <span class="comment">// considering characters to the right of the last character on the path).</span>
230
<a name="l00129"></a>00129 stats-><a class="code" href="a00261.html#aedfc7bb8a188b3d07506787d1c873120">full_wh_ratio</a> = wh_ratio + right_gap;
231
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (parent_stats != NULL) {
232
<a name="l00131"></a>00131 stats-><a class="code" href="a00261.html#a6ecdf1e1853a6a488ce7b6c997355fde">full_wh_ratio_total</a> =
233
<a name="l00132"></a>00132 (parent_stats-><a class="code" href="a00261.html#a6ecdf1e1853a6a488ce7b6c997355fde">full_wh_ratio_total</a> + stats-><a class="code" href="a00261.html#aedfc7bb8a188b3d07506787d1c873120">full_wh_ratio</a>);
234
<a name="l00133"></a>00133 <span class="keywordtype">float</span> mean =
235
<a name="l00134"></a>00134 stats-><a class="code" href="a00261.html#a6ecdf1e1853a6a488ce7b6c997355fde">full_wh_ratio_total</a> / <span class="keyword">static_cast<</span><span class="keywordtype">float</span><span class="keyword">></span>(parent_path_length+1);
236
<a name="l00135"></a>00135 stats-><a class="code" href="a00261.html#a898cad6cb2de906d3d179efe2411c7a6">full_wh_ratio_var</a> =
237
<a name="l00136"></a>00136 parent_stats-><a class="code" href="a00261.html#a898cad6cb2de906d3d179efe2411c7a6">full_wh_ratio_var</a> + pow(mean-stats-><a class="code" href="a00261.html#aedfc7bb8a188b3d07506787d1c873120">full_wh_ratio</a>, 2);
238
<a name="l00137"></a>00137 } <span class="keywordflow">else</span> {
239
<a name="l00138"></a>00138 stats-><a class="code" href="a00261.html#a6ecdf1e1853a6a488ce7b6c997355fde">full_wh_ratio_total</a> = stats-><a class="code" href="a00261.html#aedfc7bb8a188b3d07506787d1c873120">full_wh_ratio</a>;
240
<a name="l00139"></a>00139 }
241
<a name="l00140"></a>00140 <span class="keywordflow">if</span> (debug) {
242
<a name="l00141"></a>00141 <a class="code" href="a00860.html#a02aa7cca2c3857c14716e8cca96ace6c">tprintf</a>(<span class="stringliteral">"full_wh_ratio %g full_wh_ratio_total %g full_wh_ratio_var %g\n"</span>,
243
<a name="l00142"></a>00142 stats-><a class="code" href="a00261.html#aedfc7bb8a188b3d07506787d1c873120">full_wh_ratio</a>, stats-><a class="code" href="a00261.html#a6ecdf1e1853a6a488ce7b6c997355fde">full_wh_ratio_total</a>,
244
<a name="l00143"></a>00143 stats-><a class="code" href="a00261.html#a898cad6cb2de906d3d179efe2411c7a6">full_wh_ratio_var</a>);
245
<a name="l00144"></a>00144 }
246
<a name="l00145"></a>00145
247
<a name="l00146"></a>00146 stats-><a class="code" href="a00261.html#a0185040dea9a2fadac41feb45729e444">shape_cost</a> =
248
<a name="l00147"></a>00147 <a class="code" href="a00262.html#ad70d4139f63f9d5048faa8407058523f">FixedPitchWidthCost</a>(wh_ratio, right_gap, end_row, max_char_wh_ratio);
249
<a name="l00148"></a>00148
250
<a name="l00149"></a>00149 <span class="comment">// For some reason Tesseract prefers to treat the whole CJ words</span>
251
<a name="l00150"></a>00150 <span class="comment">// as one blob when the initial segmentation is particularly bad.</span>
252
<a name="l00151"></a>00151 <span class="comment">// This hack is to avoid favoring such states.</span>
253
<a name="l00152"></a>00152 <span class="keywordflow">if</span> (col == 0 && end_row && wh_ratio > max_char_wh_ratio) {
254
<a name="l00153"></a>00153 stats-><a class="code" href="a00261.html#a0185040dea9a2fadac41feb45729e444">shape_cost</a> += 10;
255
<a name="l00154"></a>00154 }
256
<a name="l00155"></a>00155 stats-><a class="code" href="a00261.html#a0185040dea9a2fadac41feb45729e444">shape_cost</a> += stats-><a class="code" href="a00261.html#a898cad6cb2de906d3d179efe2411c7a6">full_wh_ratio_var</a>;
257
<a name="l00156"></a>00156 <span class="keywordflow">if</span> (debug) <a class="code" href="a00860.html#a02aa7cca2c3857c14716e8cca96ace6c">tprintf</a>(<span class="stringliteral">"shape_cost %g\n"</span>, stats-><a class="code" href="a00261.html#a0185040dea9a2fadac41feb45729e444">shape_cost</a>);
258
<a name="l00157"></a>00157 }
259
<a name="l00158"></a>00158 }
260
<a name="l00159"></a>00159
261
<a name="l00160"></a><a class="code" href="a00262.html#ad70d4139f63f9d5048faa8407058523f">00160</a> <span class="keywordtype">float</span> <a class="code" href="a00262.html#ad70d4139f63f9d5048faa8407058523f">AssociateUtils::FixedPitchWidthCost</a>(<span class="keywordtype">float</span> norm_width,
262
<a name="l00161"></a>00161 <span class="keywordtype">float</span> right_gap,
263
<a name="l00162"></a>00162 <span class="keywordtype">bool</span> end_pos,
264
<a name="l00163"></a>00163 <span class="keywordtype">float</span> max_char_wh_ratio) {
265
<a name="l00164"></a>00164 <span class="keywordtype">float</span> cost = 0.0f;
266
<a name="l00165"></a>00165 <span class="keywordflow">if</span> (norm_width > max_char_wh_ratio) cost += norm_width;
267
<a name="l00166"></a>00166 <span class="keywordflow">if</span> (norm_width > <a class="code" href="a00262.html#a3bbebfa62ab6a7838649af61e9ef965f">kMaxFixedPitchCharAspectRatio</a>)
268
<a name="l00167"></a>00167 cost += norm_width * norm_width; <span class="comment">// extra penalty for merging CJK chars</span>
269
<a name="l00168"></a>00168 <span class="comment">// Penalize skinny blobs, except for punctuation in the last position.</span>
270
<a name="l00169"></a>00169 <span class="keywordflow">if</span> (norm_width+right_gap < 0.5f && !end_pos) {
271
<a name="l00170"></a>00170 cost += 1.0f - (norm_width + right_gap);
272
<a name="l00171"></a>00171 }
273
<a name="l00172"></a>00172 <span class="keywordflow">return</span> cost;
274
<a name="l00173"></a>00173 }
275
<a name="l00174"></a>00174
276
<a name="l00175"></a>00175 } <span class="comment">// namespace tesseract</span>
277
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<li class="navelem"><a class="el" href="a01219.html">associate.cpp</a> </li>
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<li class="footer">Generated on Mon Feb 3 2014 10:59:10 for tesseract by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.6.1 </li>
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