lib/src/jp/nyatla/nyartoolkit/core/analyzer/raster/threshold/NyARRasterThresholdAnalyzer_SlidePTile.java

   1 package jp.nyatla.nyartoolkit.core.analyzer.raster.threshold;\r
   2 \r
   3 import jp.nyatla.nyartoolkit.NyARException;\r
   4 import jp.nyatla.nyartoolkit.core.analyzer.histogram.*;\r
   5 import jp.nyatla.nyartoolkit.core.analyzer.raster.*;\r
   6 import jp.nyatla.nyartoolkit.core.raster.INyARRaster;\r
   7 import jp.nyatla.nyartoolkit.core.types.NyARHistogram;\r
   8 import jp.nyatla.nyartoolkit.core.types.NyARIntRect;\r
   9 /**\r
  10  * 明点と暗点をPタイル法で検出して、その中央値を閾値とする。\r
  11  * \r
  12  * \r
  13  */\r
  14 public class NyARRasterThresholdAnalyzer_SlidePTile implements INyARRasterThresholdAnalyzer\r
  15 {\r
  16         protected NyARRasterAnalyzer_Histogram _raster_analyzer;\r
  17         private NyARHistogramAnalyzer_SlidePTile _sptile;\r
  18         private NyARHistogram _histogram;\r
  19         public void setVerticalInterval(int i_step)\r
  20         {\r
  21                 this._raster_analyzer.setVerticalInterval(i_step);\r
  22                 return;\r
  23         }\r
  24         public NyARRasterThresholdAnalyzer_SlidePTile(int i_persentage,int i_raster_format,int i_vertical_interval) throws NyARException\r
  25         {\r
  26                 assert (0 <= i_persentage && i_persentage <= 50);\r
  27                 //初期化\r
  28                 if(!initInstance(i_raster_format,i_vertical_interval)){\r
  29                         throw new NyARException();\r
  30                 }\r
  31                 this._sptile=new NyARHistogramAnalyzer_SlidePTile(i_persentage);\r
  32                 this._histogram=new NyARHistogram(256);\r
  33         }\r
  34         protected boolean initInstance(int i_raster_format,int i_vertical_interval) throws NyARException\r
  35         {\r
  36                 this._raster_analyzer=new NyARRasterAnalyzer_Histogram(i_raster_format,i_vertical_interval);\r
  37                 return true;\r
  38         }\r
  39         public int analyzeRaster(INyARRaster i_input) throws NyARException\r
  40         {\r
  41                 this._raster_analyzer.analyzeRaster(i_input, this._histogram);\r
  42                 return this._sptile.getThreshold(this._histogram);\r
  43         }\r
  44         public int analyzeRaster(INyARRaster i_input,NyARIntRect i_area) throws NyARException\r
  45         {\r
  46                 throw new NyARException();\r
  47         }\r
  48         \r
  49 }\r