To write a single datatype image in .tif format.

Question

banikr 2019-6-12

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https://ww2.mathworks.cn/matlabcentral/answers/466815-to-write-a-single-datatype-image-in-tif-format

评论： banikr 2019-6-13

I am trying to save an image without changing it's single data type and in .tif format. I have tried Matlab TIFF function and it worked good for int32 images. But it doesn't work with single type I figure. Also, when I tried to use simple imwrite function, it errored because single type must be converted to double. But when I change to double, I lose the image data as double scales the image to 255.

Would be great help if any hack suggested.

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Answer 1

Walter Roberson 2019-6-13

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https://ww2.mathworks.cn/matlabcentral/answers/466815-to-write-a-single-datatype-image-in-tif-format#answer_378958

https://www.mathworks.com/matlabcentral/fileexchange/35684-multipage-tiff-stack

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banikr 2019-6-13

Hey @Walter Roberson,

I just found the solution in the TIFF function. There is a function parameter called tagStruct.SampleFormat, which is 2 for int32 and all and 3 for single data type. Changing that from 2 to 3 worked really fine.

But I will also check the link you've provided. Thanks a lot.

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