transform_rgb_to_grayscale: Convert RGB Image Tensor to Grayscale

In torchvision: Models, Datasets and Transformations for Images

Convert RGB Image Tensor to Grayscale

Description

For RGB to Grayscale conversion, ITU-R 601-2 luma transform is performed which is L = R * 0.2989 + G * 0.5870 + B * 0.1140

Usage

transform_rgb_to_grayscale(img)

Arguments

img	A magick-image, array or torch_tensor.

See Also

Other unitary_transforms: transform_adjust_brightness(), transform_adjust_contrast(), transform_adjust_gamma(), transform_adjust_hue(), transform_adjust_saturation(), transform_affine(), transform_center_crop(), transform_convert_image_dtype(), transform_crop(), transform_grayscale(), transform_hflip(), transform_linear_transformation(), transform_normalize(), transform_pad(), transform_perspective(), transform_resize(), transform_rotate(), transform_to_tensor(), transform_vflip()

torchvision documentation built on Nov. 6, 2025, 9:07 a.m.