tf.image.random_contrast

TensorFlow 2 version View source on GitHub

Adjust the contrast of an image or images by a random factor.

Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.image.random_contrast, `tf.compat.v2.image.random_contrast`

 
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].

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.

The contrast-adjusted image(s).

ValueError if upper <= lower or if lower < 0.