%首先读取图片,显示其灰度直方图:
I=imread('Z:\I1.jpg');%读取退化图像 PS=imread('Z:\I7.jpg');
figure,imshow(I); %显示退化图像
figure,imhist(I); %显示图像的灰度值直方图
%然后进行灰度级线性分段增强:
f0=0;g0=0;
f1=20;g1=100;
f2=100;g2=180;
f3=255;g3=255;
r1=(g1-gO)/(f1-f0));
b1=gO-r1*f0;
r2=(g2-g1)/(f2-f1);
b2=g1-r2*f1;
r3=(g3-g2)/(f3-f2);
b3=g2-r3*f2;
[m,n]=size(I);
X2=double(I); %变换矩阵中的每一个元素
fori=1:m
forj=1:n
f=X2(i,j);
g(i,j)=O;
if(f>=0)&(f=f1)&(f=f2)&(f d:/matlab6p5/toolbox/images/images/private/checkinput (check_attributes)
Function imhist expected its first input argument, I or X,
to be two-dimensional.
Error in ==> D:\MATLAB6p5\toolbox\images\images\private\checkinput.m
On line 37==> check_attributes(A, attributes, function_name, variable_name, ...
Error in ==> D:\MATLAB6p5\toolbox\images\images\imhist.m (parse_inputs)
On line 173==> checkinput(a, 'double uint8 logical uint16', '2d', mfilename, 'I or X', 1);
Error in ==> D:\MATLAB6p5\toolbox\images\images\imhist.m
On line 49==> [a, n, isScaled, top, map] = parse_inputs(varargin{:});
大虾帮忙看看 哪里有问题?
可是 图像必须是 bmp格式???黑白的图像用 jpg 格式 不可以么???
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