tf.image.random_contrast
View source on GitHub |
Adjust the contrast of an image or images by a random factor.
tf.image.random_contrast( image, lower, upper, seed=None )
Equivalent to adjust_contrast()
but uses a contrast_factor
randomly picked in the interval [lower, upper]
.
Args | |
---|---|
image |
An image tensor with 3 or more dimensions. |
lower |
float. Lower bound for the random contrast factor. |
upper |
float. Upper bound for the random contrast factor. |
seed |
A Python integer. Used to create a random seed. See tf.compat.v1.set_random_seed for behavior. |
Returns | |
---|---|
The contrast-adjusted image(s). |
Raises | |
---|---|
ValueError |
if upper <= lower or if lower < 0 . |
© 2020 The TensorFlow Authors. All rights reserved.
Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/image/random_contrast