Changeset 29592 for trunk/psLib/src/fft/psImageFFT.h

Timestamp:

Oct 28, 2010, 5:37:34 PM (16 years ago)

Author:

eugene

Message:

add windowed FFT option (currently unused)

File:

• trunk/psLib/src/fft/psImageFFT.h (modified) (1 diff)

trunk/psLib/src/fft/psImageFFT.h

@@ -84 +84 @@
     );
 
+/// Convolve an image with a kernel, using the FFT, applying a window function
+///
+/// This is appropriate for larger kernels, where the direct convolution is slow.  The input image and kernel
+/// are suitably padded to avoid wrap-around effects.
+psImage *psImageConvolveFFTwithWindow(
+    psImage *out,                       ///< Output image, or NULL
+    const psImage *in,                  ///< Image to convolve
+    const psImage *mask,                ///< Corresponding mask
+    psImageMaskType maskVal,            ///< Value to mask
+    const psKernel *kernel              ///< kernel to convolve with
+    );
+
 /// Allocate an the psKernelFFT structure
 psKernelFFT *psKernelFFTAlloc(