initial sd-vbs

initial sd-vbs

add sd-vbs

sd-vbs

1 files changed, 25 insertions, 0 deletions

diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/maxPyrHt.m b/SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/maxPyrHt.m
new file mode 100755
index 0000000..84bcf29
--- /dev/null
+++ b/SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/maxPyrHt.m
@@ -0,0 +1,25 @@
+% HEIGHT = maxPyrHt(IMSIZE, FILTSIZE)
+%
+% Compute maximum pyramid height for given image and filter sizes.
+% Specifically: the number of corrDn operations that can be sequentially
+% performed when subsampling by a factor of 2.
+
+% Eero Simoncelli, 6/96.
+
+function height = maxPyrHt(imsz, filtsz)
+
+imsz = imsz(:);
+filtsz = filtsz(:);
+
+if any(imsz == 1) % 1D image
+  imsz = prod(imsz);
+  filtsz = prod(filtsz);
+elseif any(filtsz == 1)              % 2D image, 1D filter
+  filtsz = [filtsz(1); filtsz(1)];
+end
+
+if any(imsz < filtsz)
+  height = 0;
+else
+  height = 1 + maxPyrHt( floor(imsz/2), filtsz ); 
+end