tf.image.random_contrast

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

View aliases

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].

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.