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      1 /*
      2   Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization
      3   dedicated to making software imaging solutions freely available.
      4 
      5   You may not use this file except in compliance with the License.
      6   obtain a copy of the License at
      7 
      8     http://www.imagemagick.org/script/license.php
      9 
     10   Unless required by applicable law or agreed to in writing, software
     11   distributed under the License is distributed on an "AS IS" BASIS,
     12   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13   See the License for the specific language governing permissions and
     14   limitations under the License.
     15 
     16   MagickCore feature methods.
     17 */
     18 #ifndef MAGICKCORE_FEATURE_H
     19 #define MAGICKCORE_FEATURE_H
     20 
     21 #if defined(__cplusplus) || defined(c_plusplus)
     22 extern "C" {
     23 #endif
     24 
     25 /*
     26   Haralick texture features.
     27 */
     28 typedef struct _ChannelFeatures
     29 {
     30   double
     31     angular_second_moment[4],
     32     contrast[4],
     33     correlation[4],
     34     variance_sum_of_squares[4],
     35     inverse_difference_moment[4],
     36     sum_average[4],
     37     sum_variance[4],
     38     sum_entropy[4],
     39     entropy[4],
     40     difference_variance[4],
     41     difference_entropy[4],
     42     measure_of_correlation_1[4],
     43     measure_of_correlation_2[4],
     44     maximum_correlation_coefficient[4];
     45 } ChannelFeatures;
     46 
     47 extern MagickExport ChannelFeatures
     48   *GetImageFeatures(const Image *,const size_t,ExceptionInfo *);
     49 
     50 extern MagickExport Image
     51   *CannyEdgeImage(const Image *,const double,const double,const double,
     52     const double,ExceptionInfo *),
     53   *HoughLineImage(const Image *,const size_t,const size_t,const size_t,
     54     ExceptionInfo *),
     55   *MeanShiftImage(const Image *,const size_t,const size_t,const double,
     56     ExceptionInfo *);
     57 
     58 #if defined(__cplusplus) || defined(c_plusplus)
     59 }
     60 #endif
     61 
     62 #endif
     63