tf.image.random_contrast
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. |