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GenerateSegmentIndices

class mmedit.datasets.transforms.GenerateSegmentIndices(interval_list, start_idx=0, filename_tmpl='{:08d}.png')[source]

Generate frame indices for a segment. It also performs temporal augmention with random interval.

Required Keys:

  • img_path

  • gt_path

  • key

  • num_input_frames

  • sequence_length

Modified Keys:

  • img_path

  • gt_path

Added Keys:

  • interval

  • reverse

Parameters
  • interval_list (list[int]) – Interval list for temporal augmentation. It will randomly pick an interval from interval_list and sample frame index with the interval.

  • start_idx (int) – The index corresponds to the first frame in the sequence. Default: 0.

  • filename_tmpl (str) – Template for file name. Default: ‘{:08d}.png’.

transform(results)[source]

transform function.

Parameters

results (dict) – A dict containing the necessary information and data for augmentation.

Returns

A dict containing the processed data and information.

Return type

dict

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