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+function [out]=integralFilter(intimage,bbox,weights,filterSize)
+// Integral Image based Filter.
+//
+// Calling Sequence
+//   filter = integralFilter(intimage,bbox,weights,filterSize);
+//
+// Parameters
+// intimage: Integral Image, which can be obtained from the function integralImage.
+// bbox: Bounding box of the filter object, which can be obtained from integralKernel function.
+// weight: Weights of the bounding box, which can be obtained from integralKernel function.
+// filterSize: Size of the filter, which can be obtained from integralKernel function.
+//
+// Description
+// This function filters image using box filters and integral images.
+//
+// Examples
+// i = imread("lena.jpg");
+// intImg = integralImage(i);
+// kernel = integralKernel([2 2 11 11], 1/51);
+// filter = integralKernel(intImg, kernel.bbox, kernel.weights, kernel.filterSize);
+//
+// Authors
+//  Tanmay Chaudhari
+
+     	inputimage1=mattolist(inputimage);
+     	a=opencv_integralFilter(inputimage1,bbox,weights,filterSize);
+     	out(:,:,1)=a(1);
+	
+endfunction