HHHedo / IBMIL

CVPR 2023 Highlight

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About pre-computed features

jjjharden opened this issue · comments

Hi, I am trying to implement your code.The input image size of CTransPath is 224×224, but you mentioned in your paper that the image size you used is 256×256, how did you handle it when calculating the features?

commented

Hi, we just use transforms.Resize(224) in computing features.

1
Hi, here is the pre-computed features I obtained using Ctranspath, but the result of training the MIL aggregator with this pre-computed features is very poor.Is the data for this pre-computed features correct?

commented

1 Hi, here is the pre-computed features I obtained using Ctranspath, but the result of training the MIL aggregator with this pre-computed features is very poor.Is the data for this pre-computed features correct?

Hi, the effectiveness of CTransPath has been validated in many papers. You may directly leave an issue in CTransPath's official github. For your features, I empirically sample some slides and find the features are around [-1,1], but your features are near 0 (which may be caused by random initialization). Please make sure you correctly load the pre-trained weights and extract the features following dsmil.

Thanks a lot!