[opengtl-commits] [368] add a linear demosaicing

[subversion@xxxxxxxxxxxxx]

Revision: 368
Author:   cyrille
Date:     2008-09-04 01:15:24 +0200 (Thu, 04 Sep 2008)

Log Message:
-----------
add a linear demosaicing

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

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


Modified: trunk/OpenGTL/OpenShiva/tests/raw/CMakeLists.txt
===================================================================
--- trunk/OpenGTL/OpenShiva/tests/raw/CMakeLists.txt	2008-09-03 22:49:07 UTC (rev 367)
+++ trunk/OpenGTL/OpenShiva/tests/raw/CMakeLists.txt	2008-09-03 23:15:24 UTC (rev 368)
@@ -3,6 +3,7 @@
   RawToColor.shiva
   RawToGray.shiva
   SimpleDemosaicing.shiva
+  LinearDemosaicing.shiva
   )
 
 FOREACH( TEST_FILE ${TESTS_FILES} )

Added: trunk/OpenGTL/OpenShiva/tests/raw/LinearDemosaicing.shiva
===================================================================
--- trunk/OpenGTL/OpenShiva/tests/raw/LinearDemosaicing.shiva	                        (rev 0)
+++ trunk/OpenGTL/OpenShiva/tests/raw/LinearDemosaicing.shiva	2008-09-03 23:15:24 UTC (rev 368)
@@ -0,0 +1,44 @@
+kernel RawToColor
+{
+  float2 coordAdj( float2 v, float h, int idx )
+  {
+    v[idx] = v[ idx ] + h;
+    return v;
+  }
+  void evaluatePixel(image1 img, out pixel4 result)
+  {
+    int x = result.coord[0];
+    int y = result.coord[1];
+    if( x & 1 )
+    {
+      if( y & 1 )
+      {
+        result.data[0] = (img.sampleNearest( coordAdj(result.coord, -1, 0) ) + img.sampleNearest( coordAdj(result.coord, 1, 0) )) * 0.5;
+        result.data[1] = img.sampleNearest( result.coord );
+        result.data[2] = (img.sampleNearest( coordAdj(result.coord, -1, 1) ) + img.sampleNearest( coordAdj(result.coord, 1, 1) )) * 0.5;
+      } else {
+        result.data[0] = (img.sampleNearest( result.coord - 1 ) + img.sampleNearest( result.coord - 1 )) * 0.5;
+        result.data[1] = (img.sampleNearest( coordAdj(result.coord, -1, 0) ) + img.sampleNearest( coordAdj(result.coord, 1, 0) )) * 0.5;
+        result.data[2] = img.sampleNearest( result.coord );
+      }
+    } else {
+      if( y & 1 )
+      {
+        result.data[0] = img.sampleNearest( result.coord );
+        result.data[1] = (img.sampleNearest( coordAdj(result.coord, -1, 0) ) + img.sampleNearest( coordAdj(result.coord, 1, 0) )) * 0.5;
+        result.data[2] = (img.sampleNearest( result.coord - 1) + img.sampleNearest( result.coord + 1)) * 0.5;
+      } else {
+        result.data[0] = (img.sampleNearest( coordAdj(result.coord, -1, 1) ) + img.sampleNearest( coordAdj(result.coord, 1, 1) )) * 0.5;
+        result.data[1] = img.sampleNearest( result.coord );
+        result.data[2] = (img.sampleNearest( coordAdj(result.coord, -1, 0) ) + img.sampleNearest( coordAdj(result.coord, 1, 0) )) * 0.5;
+      }
+    }
+    
+    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/LinearDemosaicing.shiva.png
===================================================================
(Binary files differ)


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