added edge-aware demosaicing and bayer to bgra conversion

modules/imgproc/include/opencv2/imgproc/imgproc.hpp

@@ -1048,7 +1048,18 @@ enum
     COLOR_RGBA2mRGBA = 125,
     COLOR_mRGBA2RGBA = 126,
 
-    COLOR_COLORCVT_MAX  = 127
+    // Edge-Aware Demosaicing
+    COLOR_BayerBG2BGR_EA = 127,
+    COLOR_BayerGB2BGR_EA = 128,
+    COLOR_BayerRG2BGR_EA = 129,
+    COLOR_BayerGR2BGR_EA = 130,
+
+    COLOR_BayerBG2RGB_EA = COLOR_BayerRG2BGR_EA,
+    COLOR_BayerGB2RGB_EA = COLOR_BayerGR2BGR_EA,
+    COLOR_BayerRG2RGB_EA = COLOR_BayerBG2BGR_EA,
+    COLOR_BayerGR2RGB_EA = COLOR_BayerGB2BGR_EA,
+
+    COLOR_COLORCVT_MAX  = 131
 };
 
 
@@ -1252,6 +1263,9 @@ protected:
     Point2f bottomRight;
 };
 
+// main function for all demosaicing procceses
+CV_EXPORTS_W void demosaicing(InputArray _src, OutputArray _dst, int code, int dcn = 0);
+
 }
 
 #endif /* __cplusplus */

modules/imgproc/include/opencv2/imgproc/types_c.h

@@ -310,7 +310,18 @@ enum
     CV_RGBA2mRGBA = 125,
     CV_mRGBA2RGBA = 126,
 
-    CV_COLORCVT_MAX  = 127
+    // Edge-Aware Demosaicing
+    CV_BayerBG2BGR_EA = 127,
+    CV_BayerGB2BGR_EA = 128,
+    CV_BayerRG2BGR_EA = 129,
+    CV_BayerGR2BGR_EA = 130,
+
+    CV_BayerBG2RGB_EA = CV_BayerRG2BGR_EA,
+    CV_BayerGB2RGB_EA = CV_BayerGR2BGR_EA,
+    CV_BayerRG2RGB_EA = CV_BayerBG2BGR_EA,
+    CV_BayerGR2RGB_EA = CV_BayerGB2BGR_EA,
+
+    CV_COLORCVT_MAX  = 131
 };
 
 

modules/imgproc/perf/perf_cvt_color.cpp

@@ -274,3 +274,28 @@ PERF_TEST_P(Size_CvtMode2, cvtColorYUV420,
 
     SANITY_CHECK(dst, 1);
 }
+
+CV_ENUM(EdgeAwareBayerMode, COLOR_BayerBG2BGR_EA, COLOR_BayerGB2BGR_EA, COLOR_BayerRG2BGR_EA, COLOR_BayerGR2BGR_EA)
+
+typedef std::tr1::tuple<Size, EdgeAwareBayerMode> EdgeAwareParams;
+typedef perf::TestBaseWithParam<EdgeAwareParams> EdgeAwareDemosaicingTest;
+
+PERF_TEST_P(EdgeAwareDemosaicingTest, demosaicingEA,
+            testing::Combine(
+                testing::Values(szVGA, sz720p, sz1080p, Size(130, 60)),
+                testing::ValuesIn(EdgeAwareBayerMode::all())
+                )
+            )
+{
+    Size sz = get<0>(GetParam());
+    int mode = get<1>(GetParam());
+
+    Mat src(sz, CV_8UC1);
+    Mat dst(sz, CV_8UC3);
+
+    declare.in(src, WARMUP_RNG).out(dst);
+
+    TEST_CYCLE() cvtColor(src, dst, mode, 3);
+
+    SANITY_CHECK(dst, 1);
+}