数字图像处理课程设计 matlab(12)

数字图像处理 使用matlab 很好的 报告

axes(handles.axes2); %if isrgb(handles.img) x=imhist(handles.image(:,:,3)); x1=x(1:10:256); horz=1:10:256; bar(horz,x1);

set(handles.axes2,'xtick',0:50:255); ----------------------------------------------------- %图像增强处理

--------------------------------------------------------- function zhf_Callback(hObject, eventdata, handles)

------------------------------------------------- function balance_Callback(hObject, eventdata, handles)

%直方图均衡化

set(handles.axes2,'HandleVisibility','ON'); axes(handles.axes2); if isrgb(handles.image)

a=histeq(handles.image(:,:,1)); b=histeq(handles.image(:,:,2)); c=histeq(handles.image(:,:,3)); k(:,:,1)=a; k(:,:,2)=b; k(:,:,3)=c; imshow(k); else

h=histeq(handles.image); imshow(h); end

function zq_Callback(hObject, eventdata, handles)

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

function duibidu_Callback(hObject, eventdata, handles)

%对比度展宽

set(handles.axes2,'HandleVisibility','ON'); axes(handles.axes2); h=im2double(handles.image); [sx,sy]=size(h); nw=h.^0.3; subplot(2,2,1); imshow(h); title('original'); subplot(2,2,2);

imshow(nw); title('r=0.4'); subplot(2,2,3); imshow(h.^0.5); title('r=0.7'); subplot(2,2,4); imshow(h.^2); title('r=3');

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

function dongtai_Callback(hObject, eventdata, handles)

%动态调整范围

set(handles.axes2,'HandleVisibility','ON'); axes(handles.axes2); h=im2double(handles.image); a=0.01; b=0.35; [sx,sy]=size(h); [w,n]=find(h(:)<=a); h(n)=0;

[w1,n1]=find(h(:)>b); h(n1)=1;

nw=1./(b-a).*(h-a.*ones(sx,sy)); subplot(1,2,1); imshow(h); subplot(1,2,2); imshow(nw);

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