ncmoment.m

来自「《Visual C++数字图像识别技术典型案例》之光学字符识别技术源码」· M 代码 · 共 23 行

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 %%       Prof. Sclaroff's CS585 Image avd Video Processing       %%
%%                         Project  ONE                            %%
%%           C H A R A C T E R   R E C O G N I T I O N             %%
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%%                    by Stanislav Rost                    %%
 %%                       ID:  31764117                           %%
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function result = ncmoment(j, k, matrix, width, height)
% NORMCENTRALMOMENT.M
%
% function result = normcentralmoment(j, k, matrix, width, height)
%
% Returns (j,k)-th normalized central moment of 2D binary image "matrix"

gamma = (j+k)/2 + 1;

result = centralmoment(j, k, matrix, width, height)/...
          (centralmoment(0, 0, matrix, width, height)^gamma);