I=imread('D:\Lena.jpg');
x=rgb2gray(I);
figure(1);
subplot(121);
imshow(I);
title('原始图像');
subplot(122);
imshow(x);
title('灰度图像');
报错信息如下:D:\matlab\toolbox\matlab\graph3d\gray.m
出错 images.internal.imageDisplayValidateParams (line 45)
common_args.Map = gray(256);
出错 images.internal.imageDisplayParseInputs (line 78)
common_args = images.internal.imageDisplayValidateParams(common_args);
出错 imshow (line 222)
images.internal.imageDisplayParseInputs({'Parent','Border','Reduce'},preparsed_varargin{:});
然后输入help gray 显示的是