www.pudn.com > SURF-based-image-stitching.rar > IntegralImage_HaarY.m, change:2010-07-29,size:556b


function an=IntegralImage_HaarY(row, column, size, img) 
% This function IntegralImage_HaarY will .. 
% 
% [an] = IntegralImage_HaarY( row,column,size,img ) 
%   
%  inputs, 
%    row :  
%    column :  
%    size :  
%    img : The integral image 
%   
%  outputs, 
%    an : The haar response in y-direction 
%   
% Function is written by D.Kroon University of Twente (July 2010) 
an= IntegralImage_BoxIntegral(row, column - size / 2, size / 2, size , img) - IntegralImage_BoxIntegral(row - size / 2, column - size / 2, size / 2, size , img);