For a project dealing with deep semantic labeling of images I need a format that supports arrays of arbitrary length for each pixel of the image.
The array is an array of integers.
Which image formats support this?
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OpenEXR might be a good fit. You can have an arbitrary number of channels per pixel and the data types for each channel can be integers.
.dds. You can store there textures array or 3d texture both can be use as array per pixel.
You can try creating this textures with
Also you can look in
Legacy Texture Tools from Nvidia