LbpDescriptor.zip_LBP描述子_lbp特征描述子_lbp编码_site:www.pudn.com_编码 特征提

function feature = LbpDescriptor(config_file,outFName,img ,gridY,gridX) % this function calculate the LBP descriptorr % Input: % config_file: config all the parameter % img: the normalized img %% initial eval(config_file); img = rgb2gray(img); %% local binary pattern feature = []; %% Divide the img into DivNum*DivNum parts for i = 1 : DivNum for j = 1:DivNum % obtain the part of the imgs img_part = img( (gridY(i)+1):gridY(i+1) , (gridX(j)+1):gridX(j+1),: ); tmp = [lbp_riu81(img_part),lbp_riu162(img_part),lbp_riu243(img_part)]; feature = [feature;tmp']; end end if sum(feature)~=0 feature=feature/sum(feature); end save(outFName,'feature');