tf.image.rgb_to_grayscale

Converts one or more images from RGB to Grayscale.

View aliases

Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.image.rgb_to_grayscale

tf.image.rgb_to_grayscale(
    images, name=None
)

Outputs a tensor of the same DType and rank as images. The size of the last dimension of the output is 1, containing the Grayscale value of the pixels.

original = tf.constant([[[1.0, 2.0, 3.0]]])
converted = tf.image.rgb_to_grayscale(original)
print(converted.numpy())
[[[1.81...]]]

Args
images	The RGB tensor to convert. The last dimension must have size 3 and should contain RGB values.
name	A name for the operation (optional).

Returns
The converted grayscale image(s).