Cropping in data preprocessing

[ZJZhang123]

Thanks a lot for your work, I would like to ask what car1 and car2 refer to here and why they need to be cropped.

WoodScape/omnidet/data_loader/woodscape_loader.py

Line 48 in 597d9dd

self.cropped_coords = dict(Car1=dict(FV=(114, 110, 1176, 610),

[anamce]

due to computation efficiency