pixel label image must have 3 channels when RGB triplet pixel label IDs are specified

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SC P 2021-1-4

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https://ww2.mathworks.cn/matlabcentral/answers/708553-pixel-label-image-must-have-3-channels-when-rgb-triplet-pixel-label-ids-are-specified

回答： Antoni Woss 2022-7-22

error.png

When tried to run segmentation program , following error occured

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john 2022-1-10

Did you guys got the answer? I too have the same error

Fernando Perez 2022-7-22

Same error here!!

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Antoni Woss 2022-7-22

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/708553-pixel-label-image-must-have-3-channels-when-rgb-triplet-pixel-label-ids-are-specified#answer_1013125

This error is being thrown because of the second argument being passed to pixelLabelImageSource, pxdsTrain, which is of type ImageDatastore rather than PixelLabelDatastore. You need to ensure the second argument is of type PixelLabelDatastore (https://www.mathworks.com/help/vision/ref/pixellabeldatastore.html). The following documentation page gives more information on the function arguments: https://www.mathworks.com/help/vision/ref/pixellabelimagesource.html

Note from this documentation page that this function, pixelLabelImageSource, has been removed since R2018a.