MeanOfWeightedSquaredDotProducts.m

基于论文ACCURATE EYE CENTRE LOCALISATION BY MEANS OF GRADIENTS的matlab实现，或者说是eyelike的matlab版

function c = MeanOfWeightedSquaredDotProducts（MWcmn）
[RC~] = size（M）;
sum = 0;
for i = 1:R
    for j = 1:C
        if M（ij1）~=0
            if i==m && j==n % （ij） = （mn） dp = 0;
                sum = sum + 0;
            else
                d = （[M（ij2）M（ij3）] - [M（mn2）M（mn3）]）/norm（（[M（ij2）M（ij3）] - [M（mn2）M（mn3）]））; %vector d
                g = [M（ij4）M（ij5）]/norm（[M（ij4）M（ij5）]）; % vector g
                dp = d*g‘; % calculate dot Products
                % make nagetive dp equate to 0
                if dp<0
                    dp = 0;
                end
                sum = sum + Wc（ij）*（dp^2）;  
            end      
        else
            % ignore smooth area
            sum = sum + 0;
        end
    end
end
c = sum/numel（M（::1））;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      30123  2018-07-25 16:43  meansOfGriadientTofindeyeCenter\man.jpg

     文件        817  2019-03-06 20:08  meansOfGriadientTofindeyeCenter\MeanOfWeightedSquaredDotProducts.asv

     文件        823  2019-03-06 20:08  meansOfGriadientTofindeyeCenter\MeanOfWeightedSquaredDotProducts.m

     文件       1198  2019-03-06 15:18  meansOfGriadientTofindeyeCenter\meansOfGriadientTofindeyeCenter.asv

     文件       1484  2019-03-06 20:20  meansOfGriadientTofindeyeCenter\meansOfGriadientTofindeyeCenter.m

     目录          0  2019-03-06 20:42  meansOfGriadientTofindeyeCenter

----------- ---------  ---------- -----  ----

                34445                    6