About upgrading MONAI to 1.3.2 Unable to import name 'AddChanneld' from 'monai.transforms'

[RY-97]

[Nic-Ma]

AddChanneld should be deprecated for a long time, please try EnsureChannelFirstd instead.
CC @KumoLiu .

Thanks.

[RY-97]

AddChanneld should be deprecated for a long time, please try EnsureChannelFirstd instead. CC @KumoLiu .

Thanks.

When I was using MONAI, I found that some modules were unusable and incompatible after I upgraded to version 1.3.2. As follows: I initially used version 1.2.0, but there was an error in calculating the NSD indicator in 1.2.0. When I upgraded to 1.3.2, the following error occurred.

[RY-97]

I would like to ask one more question. How to set the parameter class_thresholds here? Is bigger better or is it?

SurfaceDiceMetric(class_thresholds=[1], include_background=False, reduction="mean", get_not_nans=False)

[KumoLiu]

Hi @RY-97, please refer to the reference here.

MONAI/monai/metrics/surface_dice.py

Line 28 in 3fd73f1

Computes the Normalized Surface Dice (NSD) for each batch sample and class of

A bigger threshold (closer to 1) is not always "better". it depends on your specific use case. A higher threshold may be better if you are okay with missing some true positive regions (e.g., in critical applications where false positives are more costly).
(move to discussion for now, thanks.)