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DeepEdit click based refinement seems to be adding segmentation on wrong side #1407

@VishalJ99

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@VishalJ99

Ive taken the default radiology app and used it to train a deepEdit model to do volumetric MRI pancreas segmentation.

The auto segmentation works well however I am experiencing a strange issue when I try and make click based refinements.

Here is an example. This is the auto segmentation generated by the model:
image
You can see the right side could use further filling in so i add a foreground click in the desired region and the segmentation is updated to give the following:
image

The refinement seems to be based on a click that was defined on the left side when I placed it on the right...

Here is the output when I purposefully define the click on the wrong side:

image

i get the desired output.

I do not experience this issue when making click based refinements on a model trained on the CT spleen dataset downloaded from monai labels example datasets. I have not made any changes to any files other than renaming the labels.

The only explanation i can think of is that my input data is of orientation LAS whereas the CT spleen data is of orientation RAS.
However, i noticed that in the training and infer pre transforms, one of the transforms defined is the orientationD transform which re orientates the volumes to RAS, so this should not cause any issue...

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