lib/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 /**\r
   9  * 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
  10  * \r
  11  * \r
  12  */\r
  13 public class NyARRasterThresholdAnalyzer_SlidePTile implements INyARRasterThresholdAnalyzer\r
  14 {\r
  15         protected NyARRasterAnalyzer_Histogram _raster_analyzer;\r
  16         private NyARHistogramAnalyzer_SlidePTile _sptile;\r
  17         private NyARHistogram _histogram;\r
  18         public void setVerticalInterval(int i_step)\r
  19         {\r
  20                 this._raster_analyzer.setVerticalInterval(i_step);\r
  21                 return;\r
  22         }\r
  23         public NyARRasterThresholdAnalyzer_SlidePTile(int i_persentage,int i_raster_format,int i_vertical_interval) throws NyARException\r
  24         {\r
  25                 assert (0 <= i_persentage && i_persentage <= 50);\r
  26                 //初期化\r
  27                 if(!initInstance(i_raster_format,i_vertical_interval)){\r
  28                         throw new NyARException();\r
  29                 }\r
  30                 this._sptile=new NyARHistogramAnalyzer_SlidePTile(i_persentage);\r
  31                 this._histogram=new NyARHistogram(256);\r
  32         }\r
  33         protected boolean initInstance(int i_raster_format,int i_vertical_interval) throws NyARException\r
  34         {\r
  35                 this._raster_analyzer=new NyARRasterAnalyzer_Histogram(i_raster_format,i_vertical_interval);\r
  36                 return true;\r
  37         }\r
  38         public int analyzeRaster(INyARRaster i_input) throws NyARException\r
  39         {\r
  40                 this._raster_analyzer.analyzeRaster(i_input, this._histogram);\r
  41                 return this._sptile.getThreshold(this._histogram);\r
  42         }\r
  43 }\r