www.gusucode.com > 关于海航matlab和lingo的训练题 > 人脸检测/face detection/clean_model.m
% cleans the edges of the model image after it has been rotated. function model = clean_model(model) [m n] = size(model); % cleans from left to right for i=1:m, nfound = 0; for j=1:n, if (model(i,j) < 95 & nfound == 0) model(i,j) = 0; end; if (model(i,j) >=95 & nfound == 0) nfound=1; end; end; end; % cleans from right to left for i=1:m, nfound = 0; for j=n:-1:1, if (model(i,j) < 80 & nfound == 0) model(i,j) = 0; end; if (model(i,j) >=80 & nfound == 0) nfound=1; end; end; end;