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Updated documentation #72

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17 changes: 9 additions & 8 deletions tensorflow_graphics/image/pyramid.py
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Original file line number Diff line number Diff line change
Expand Up @@ -75,8 +75,9 @@ def _build_pyramid(image, sampler, num_levels):
num_levels: The number of levels.

Returns:
A list containing `num_levels` tensors of shape `[B, H_i, W_i, C]`, where
`H_i` and `W_i` are the height and width of the image for the level i.
A list containing `num_levels` + 1 (original image and the levels of the
pyramid) tensors of shape `[B, H_i, W_i, C]`, where `H_i` and `W_i` are
the height and width of the image for the level i.
"""
kernel = _binomial_kernel(tf.shape(input=image)[3], dtype=image.dtype)
levels = [image]
Expand Down Expand Up @@ -149,9 +150,9 @@ def downsample(image, num_levels, name=None):
name: A name for this op that defaults to "pyramid_downsample".

Returns:
A list containing `num_levels` tensors of shape `[B, H_i, W_i, C]`, where
`H_i` and `W_i` are the height and width of the downsampled image for the
level i.
A list containing `num_levels` + 1 (original image and the downsampled images)
tensors of shape `[B, H_i, W_i, C]`, where `H_i` and `W_i` are the height and
width of the downsampled image for the level i.

Raises:
ValueError: If the shape of `image` is not supported.
Expand Down Expand Up @@ -238,9 +239,9 @@ def upsample(image, num_levels, name=None):
name: A name for this op that defaults to "pyramid_upsample".

Returns:
A list containing `num_levels` tensors of shape `[B, H_i, W_i, C]`, where
`H_i` and `W_i` are the height and width of the upsampled image for the
level i.
A list containing `num_levels` + 1 (original image and the upsampled images)
tensors of shape `[B, H_i, W_i, C]`, where `H_i` and `W_i` are the height and
width of the upsampled image for the level i.

Raises:
ValueError: If the shape of `image` is not supported.
Expand Down