函数使用Matlab将扩展名更改为图像 [英] function to change the extension to an image using matlab

问题描述

我正在尝试创建一个读取图像并更改其扩展名的函数，我希望它能够识别其原始名称并仅更改扩展名，因此我获得了该名称并随后进行了连接，但是我不明白为什么它不起作用.感谢您的帮助.

I am trying to make a function that read an image and change its extension, I want it recognize its original name and change just the extension so I get the name and later concatenate but i can't understand why is not working. I appreciate any help.

function salida = cambioFormatoImagen(x)
  y = imread(x);
  [pathstr,name,ext] = fileparts(x);
  nombre=name;
  concatena=strcat(nombre,'.jpg')
  imwrite(y,concatena);
  imshow(y);
end



>> cambioFormatoImagen
Error using cambioFormatoImagen (line 2)
Not enough input arguments.

推荐答案

我的错误是不对该函数使用任何输入参数. 我应该使用类似的东西:

My mistake was to not use any input argument to the function. I should have used something similar to:

salida = cambioFormatoImagen('image.png')

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