Matlab中imread和rgb2gray的使用

imread函数是从图形文件读取图像。它的语法为：数组 A = imread(filename) A = imread(filename,fmt) A = imread(___,idx) A = imread(___,Name,Value) [A,map] = imread(___) [A,map,transparency] = imread(___) 对上述语法进行说明:函数 A =

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