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CropHeight

class mmocr.datasets.transforms.CropHeight(min_pixels=1, max_pixels=8)[source]

Randomly crop the image’s height, either from top or bottom.

Adapted from https://github.com/PaddlePaddle/PaddleOCR/blob/release%2F2.6/ppocr/data/imaug/rec_img_aug.py # noqa

Required Keys:

  • img

Modified Keys:

  • img

  • img_shape

Parameters
  • crop_min (int) – Minimum pixel(s) to crop. Defaults to 1.

  • crop_max (int) – Maximum pixel(s) to crop. Defaults to 8.

  • min_pixels (int) –

  • max_pixels (int) –

Return type

None

transform(results)[source]

Transform function to crop images.

Parameters

results (dict) – Result dict from loading pipeline.

Returns

Cropped results.

Return type

dict