fix:correction of PairPixelSampler in case of using masks with depth-nerfacto #2477
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Hi,
When I try to train depth-nerfacto with mask, assert below pop:
File "/home/pierre.merriaux/project/nerfstudio/nerfstudio/data/pixel_samplers.py", line 176, in collate_image_dataset_batch
assert collated_batch["image"].shape[0] == num_rays_per_batch
It is because in PairPixelSampler in case of using masks, indices are returned with shape self.rays_to_sample and self.rays_to_sample = self.config.num_rays_per_batch // 2.
I added pair_indices stacking as without using masks. I will push the PR soon