Crop image to random size and aspect ratio
Crop the given image to a random size and aspect ratio. The image can be a
Magick Image or a Tensor, in which case it is expected to have
[..., H, W] shape, where ... means an arbitrary number of leading
dimensions
transform_random_resized_crop( img, size, scale = c(0.08, 1), ratio = c(3/4, 4/3), interpolation = 2 )
img |
A |
size |
(sequence or int): Desired output size. If size is a sequence like (h, w), output size will be matched to this. If size is an int, smaller edge of the image will be matched to this number. i.e, if height > width, then image will be rescaled to (size * height / width, size). |
scale |
(tuple of float): range of size of the origin size cropped |
ratio |
(tuple of float): range of aspect ratio of the origin aspect ratio cropped. |
interpolation |
(int, optional) Desired interpolation. An integer
|
A crop of random size (default: of 0.08 to 1.0) of the original size and a random aspect ratio (default: of 3/4 to 4/3) of the original aspect ratio is made. This crop is finally resized to given size. This is popularly used to train the Inception networks.
Other transforms:
transform_adjust_brightness(),
transform_adjust_contrast(),
transform_adjust_gamma(),
transform_adjust_hue(),
transform_adjust_saturation(),
transform_affine(),
transform_center_crop(),
transform_color_jitter(),
transform_convert_image_dtype(),
transform_crop(),
transform_five_crop(),
transform_grayscale(),
transform_hflip(),
transform_linear_transformation(),
transform_normalize(),
transform_pad(),
transform_perspective(),
transform_random_affine(),
transform_random_apply(),
transform_random_choice(),
transform_random_crop(),
transform_random_erasing(),
transform_random_grayscale(),
transform_random_horizontal_flip(),
transform_random_order(),
transform_random_perspective(),
transform_random_rotation(),
transform_random_vertical_flip(),
transform_resized_crop(),
transform_resize(),
transform_rgb_to_grayscale(),
transform_rotate(),
transform_ten_crop(),
transform_to_tensor(),
transform_vflip()
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