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Time-Lord12th avatar Time-Lord12th commented on August 24, 2024

Same question here. Will the image be preprocessed as a gray background during training?
image

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eliphatfs avatar eliphatfs commented on August 24, 2024

Same question here. Will the image be preprocessed as a gray background during training? image

Yes.

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eliphatfs avatar eliphatfs commented on August 24, 2024

The background can be removed with SAM, better than rembg; you can check the demo code for details.
The IoU is in general about 96%, which is good but admittedly not perfect.
We are planning to release a new version of the model that deals with the issue, but before that we can do few about it.

And yes, for One2345++ we feed gray background images to the 3D diffusion model during training, so there is no gap here.

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eliphatfs avatar eliphatfs commented on August 24, 2024

We released v1.2 that has a normal-based approach for alpha mask prediction. Note that the approach is not suitable for semi-transparent objects, only pure opaque ones.

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