From f618466c25d43f3bae9e40920273bf77de1e1149 Mon Sep 17 00:00:00 2001
From: leochanj105 <leochanj@live.unc.edu>
Date: Mon, 19 Oct 2020 23:09:30 -0400
Subject: initial sd-vbs

initial sd-vbs

add sd-vbs

sd-vbs
---
 .../tracking/src/matlab/getInterpolatePatch.m      | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 SD-VBS/benchmarks/tracking/src/matlab/getInterpolatePatch.m

(limited to 'SD-VBS/benchmarks/tracking/src/matlab/getInterpolatePatch.m')

diff --git a/SD-VBS/benchmarks/tracking/src/matlab/getInterpolatePatch.m b/SD-VBS/benchmarks/tracking/src/matlab/getInterpolatePatch.m
new file mode 100755
index 0000000..d0a64d3
--- /dev/null
+++ b/SD-VBS/benchmarks/tracking/src/matlab/getInterpolatePatch.m
@@ -0,0 +1,22 @@
+function [dstImg] = getInterpolatePatch(srcImg,rows, cols,centerX,centerY,winSize)
+
+a=centerX-floor(centerX);
+b=centerY-floor(centerY);
+a11=(1-a)*(1-b);
+a12=a*(1-b);
+a21=(1-a)*b;
+a22=a*b;
+
+for i=-winSize:winSize-1
+	srcIdxx=floor(centerY)+i;
+	dstIdxx=i+winSize+1;
+	for j=-winSize:winSize-1
+		srcIdx = srcIdxx * cols + floor(centerX) + j;
+   		dstIdx = dstIdxx*2*winSize+j+winSize+1;
+		dstImg(dstIdx)=srcImg(srcIdxx, floor(centerX)+j)*a11;
+        dstImg(dstIdx)= dstImg(dstIdx) + srcImg(srcIdxx, floor(centerX)+j+1)*a12;
+        dstImg(dstIdx)= dstImg(dstIdx) + srcImg(srcIdxx+1, floor(centerX)+j)*a21;
+        dstImg(dstIdx)= dstImg(dstIdx) + srcImg(srcIdxx+1, floor(centerX)+j+1)*a22;
+    end
+end
+
-- 
cgit v1.2.2