%Copyright (c) 2012, Stanford University
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%      names of its contributors may be used to endorse or promote products
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% This code is written by Jiquan Ngiam (http://cs.stanford.edu/~jngiam/)


function [outSize, cw, ch, cch] = computeOutputSize(cstack, netconfig, imwidth, imheight)

    % compute the output size 
    cw = imwidth; ch = imheight;
    for d = 1:numel(netconfig.stackinfo)
        cw = cw - netconfig.stackinfo{d}.fx + 1;
        ch = ch - netconfig.stackinfo{d}.fy + 1;
        cw = cw / netconfig.stackinfo{d}.px;
        ch = ch / netconfig.stackinfo{d}.py;
    end
    outSize = size(cstack{end}.w,1) * cw * ch;
    cch = size(cstack{end}.w,1);
end
