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KittiFlow

class torchvision.datasets.KittiFlow(root, split='train', transforms=None)[source]

KITTI dataset for optical flow (2015).

The dataset is expected to have the following structure:

root
    KittiFlow
        testing
            image_2
        training
            image_2
            flow_occ
Parameters:
  • root (string) – Root directory of the KittiFlow Dataset.

  • split (string, optional) – The dataset split, either “train” (default) or “test”

  • transforms (callable, optional) – A function/transform that takes in img1, img2, flow, valid_flow_mask and returns a transformed version.

Special-members:

__getitem__(index)[source]

Return example at given index.

Parameters:

index (int) – The index of the example to retrieve

Returns:

A 4-tuple with (img1, img2, flow, valid_flow_mask) where valid_flow_mask is a numpy boolean mask of shape (H, W) indicating which flow values are valid. The flow is a numpy array of shape (2, H, W) and the images are PIL images. flow and valid_flow_mask are None if split="test".

Return type:

tuple

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