dataeval.utils.preprocessing.to_canonical_grayscale¶

dataeval.utils.preprocessing.to_canonical_grayscale(image)¶

Converts an image of arbitrary channels (CHW) to a single-channel uint8 grayscale image (HW) using color-space-aware heuristics.

Parameters:¶

image : NDArray¶

Input array in CHW format

Returns:¶

2D grayscale array (HW) of type np.uint8

Return type:¶

NDArray[np.uint8]