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Image Processing Toolbox activated?

17 次查看（过去 30 天）
Lucy
Lucy 2024-8-15，19:43
评论： Lucy 2024-8-15，22:19
When I type into command window, license('test', 'image_toolbox'), it returns 1.
My code reads and displays images by imread, imshow. But it when I use mat2gray in the next line, there's an error "'mat2gray' requires Image Processing Toolbox."

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采纳的回答

Walter Roberson
Walter Roberson 2024-8-15，19:46
You have the Image Processing Toolbox licensed but you do not have it installed
  2 个评论
Image Analyst
Image Analyst 2024-8-15，21:41
Either reinstall the complete MATLAB, or use the Add-ons/Get Add ons button on the Home tab of the tool ribbon to install just the Image Processing Toolbox.
Lucy
Lucy 2024-8-15，22:19
great, works now! Thank you both :)

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