Changeset 19895 for trunk/psLib/src/imageops/psImageConvolve.h

Timestamp:

Oct 3, 2008, 4:37:51 PM (18 years ago)

Author:

Paul Price

Message:

Adding psImageSmoothMask: a faster version of psImageSmoothMaskF32 (by about 30% when running optimised on ipp002).

File:

• trunk/psLib/src/imageops/psImageConvolve.h (modified) (2 diffs)

trunk/psLib/src/imageops/psImageConvolve.h

@@ -5 +5 @@
  * @author Robert DeSonia, MHPCC
  *
- * @version $Revision: 1.34 $ $Name: not supported by cvs2svn $
- * @date $Date: 2008-08-12 03:32:56 $
+ * @version $Revision: 1.35 $ $Name: not supported by cvs2svn $
+ * @date $Date: 2008-10-04 02:37:51 $
  * Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
  */
@@ -193 +193 @@
 );
 
+/// Smooth an image by parts using 1D Gaussian independently in x and y, allowing for masked pixels
+///
+/// Applies a circularly symmetric Gaussian smoothing first in x and then in y
+/// directions with just a vector.  This process is 2N faster than 2D convolutions (in general).
+psImage *psImageSmoothMask(
+    psImage *output,                    ///< Output image, or NULL
+    const psImage *image,               ///< Input image (F32 or F64)
+    const psImage *mask,                ///< Mask image
+    psMaskType maskVal,                 ///< Mask value
+    double sigma,                       ///< Width of the smoothing kernel (pixels)
+    double numSigma                     ///< Size of the smoothing box (sigma)
+    );
+
+
 bool psImageSmoothMaskF32(
     psImage *image,                    ///< the image to be smoothed