tf.image.rgb_to_grayscale

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

Defined in tensorflow/python/ops/image_ops_impl.py.

See the guide: Images > Converting Between Colorspaces

Converts one or more images from RGB to Grayscale.

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.

Args:

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

Returns:

The converted grayscale image(s).