Rotate a very large image

asked 2019-03-25 10:26:41 -0500

I have a very large image ( 1.1 G, color tiff image). I need to rotate it in certain degree (90 for example). Since imread fails to load it into memory, I can't do the rotation. I try to make a series of tiles from the image, each of which can be read by imread and subsequently rotated. However I don't know how to stitch them together into an image that has the same effect as rotating the whole image of the large size. anyone has any idea?

Thanks

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