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resolved issue with black and white images in nodes_mask.py #4110
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I don't think this is correct. I'm fairly certain that masks in ComfyUI are
BHW
and images areBHWC
. Your logic here works out when the batch size is 1, but will break if there is a batch of more than one mask.There was a problem hiding this comment.
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Ah, I see --
.movedim(-1, 1)
is called before calling this function for the RGB case -- so it would beBCHW
. Still, I think you want to insert the channel dimension rather than the batch dimension.There was a problem hiding this comment.
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Yeah, I am not sure why it wants BCHW When the LoadImage node outputs BHWC, but the composite nodes in nodes_mask.py definitely require this format to perform their operations, and it is also the format it returns.
The batch dimension is needed because it accesses channel dimension via index position, C is expected at index[1] in the composite node so HWC would also fail without Batch being added, but batch is only added if there is no batch currently, otherwise the channel is repeated at index[1]
Im guessing all of this is a result of there not being an enforced format for what an image is through the pipeline.
So forcing conformance to either BCHW or BHWC would fix a lot of confusion with things like this.