[opengtl-commits] [367] add a simple demosaic algorithm

[subversion@xxxxxxxxxxxxx]

Revision: 367
Author:   cyrille
Date:     2008-09-04 00:49:07 +0200 (Thu, 04 Sep 2008)

Log Message:
-----------
add a simple demosaic algorithm

Modified Paths:
--------------
    trunk/OpenGTL/OpenShiva/tests/raw/CMakeLists.txt

Added Paths:
-----------
    trunk/OpenGTL/OpenShiva/tests/raw/SimpleDemosaicing.shiva
    trunk/OpenGTL/OpenShiva/tests/raw/SimpleDemosaicing.shiva.png


Modified: trunk/OpenGTL/OpenShiva/tests/raw/CMakeLists.txt
===================================================================
--- trunk/OpenGTL/OpenShiva/tests/raw/CMakeLists.txt	2008-09-03 21:22:38 UTC (rev 366)
+++ trunk/OpenGTL/OpenShiva/tests/raw/CMakeLists.txt	2008-09-03 22:49:07 UTC (rev 367)
@@ -2,6 +2,7 @@
 set( TESTS_FILES
   RawToColor.shiva
   RawToGray.shiva
+  SimpleDemosaicing.shiva
   )
 
 FOREACH( TEST_FILE ${TESTS_FILES} )

Added: trunk/OpenGTL/OpenShiva/tests/raw/SimpleDemosaicing.shiva
===================================================================
--- trunk/OpenGTL/OpenShiva/tests/raw/SimpleDemosaicing.shiva	                        (rev 0)
+++ trunk/OpenGTL/OpenShiva/tests/raw/SimpleDemosaicing.shiva	2008-09-03 22:49:07 UTC (rev 367)
@@ -0,0 +1,51 @@
+kernel RawToColor
+{
+  void evaluatePixel(image1 img, out pixel4 result)
+  {
+    int x = result.coord[0];
+    int y = result.coord[1];
+    float2 redCoord;
+    float2 greenCoord;
+    float2 blueCoord;
+    if( x & 1 )
+    {
+      if( y & 1 )
+      {
+        redCoord[0] = result.coord[0] + 1;
+        redCoord[1] = result.coord[1];
+        greenCoord = result.coord;
+        blueCoord[0] = result.coord[0];
+        blueCoord[1] = result.coord[1] + 1;
+      } else {
+        redCoord = result.coord - 1;
+        greenCoord[0] = result.coord[0] - 1;
+        greenCoord[1] = result.coord[1];
+        blueCoord = result.coord;
+      }
+    } else {
+      if( y & 1 )
+      {
+        redCoord = result.coord;
+        greenCoord[0] = result.coord[0] + 1;
+        greenCoord[1] = result.coord[1];
+        blueCoord = result.coord + 1;
+      } else {
+        redCoord[0] = result.coord[0];
+        redCoord[1] = result.coord[1] + 1;
+        greenCoord = result.coord;
+        blueCoord[0] = result.coord[0] + 1;
+        blueCoord[1] = result.coord[1];
+      }
+    }
+    
+    result.data[0] = img.sampleNearest( redCoord );
+    result.data[1] = img.sampleNearest( greenCoord );
+    result.data[2] = img.sampleNearest( blueCoord );
+    result.data[3] = 1.0;
+  }
+  region changed(region changed_input_region, int input_index, region input_DOD[])
+  {
+    return changed_input_region;
+  }
+
+}

Added: trunk/OpenGTL/OpenShiva/tests/raw/SimpleDemosaicing.shiva.png
===================================================================
(Binary files differ)


Property changes on: trunk/OpenGTL/OpenShiva/tests/raw/SimpleDemosaicing.shiva.png
___________________________________________________________________
Name: svn:mime-type
   + application/octet-stream