基于Gabor滤波的LBP算子图像纹理特征提取算法研究附matlab代码

function LbpSpectrum= LBP_circle(SrcImage,Radius,Number) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% 功 能：输入一幅图像，得到其对应的LBP图谱； %%% %%% 输 入：SrcImage：灰度图像矩阵； %%% %%% Radius：圆域半径； %%% %%% Number：圆域采样点数目； %%% %%% 输 出：LbpSpectrum ：LBP谱矩阵。 %%% %%% %%% %%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% [Row Column]=size(SrcImage); LbpSpectrum=ones(Row,Column); Template = CircleTemplate(Radius,Number); %生成圆域采样点模板 Temp=zeros(1,Number,2); r=floor(Radius+1); Image=Expanboundary( SrcImage,r ); [Row Column]=size(Image); for i=r+1:Row-r for j=r+1:Column-r Temp(1,:,1)=i+Template(1,:,1); Temp(1,:,2)=j+Template(1,:,2); GrayValue=0; pixarry=ones(1,Number); for w=1:Number X1=floor(Temp(1,w,1)); X2=X1+1; Y1=floor(Temp(1,w,2)); Y2=Y1+1; Pix=Interpolate(Temp(1,w,1),Temp(1,w,2),X1,Y1,Image(X1,Y1),Image(X2,Y1),Image(X1,Y2),Image(X2,Y2));%双线性插值 if Pix>=Image(i,j) pixarry(w)=1; else pixarry(w)=0; end GrayValue=GrayValue+pixarry(w)*(2^(w-1)); end LbpSpectrum(i-r,j-r)=GrayValue; end end end