Function srgb_to_linear

plib/render.py:914–927

Converts an image from sRGB to Linear colorspace. We treat each pixel independently (to color channels as well). Args: x: (*,) image in sRGB space. Returns: (*,) converted image

(x: torch.Tensor)

def srgb_to_linear(x: torch.Tensor):
    """
    Converts an image from sRGB to Linear colorspace.
    We treat each pixel independently (to color channels as well).

    Args:
        x:
            (*,) image in sRGB space.

    Returns:
        (*,) converted image
    """
    limit = 0.04045
    return torch.where(x > limit, torch.pow((x + 0.055) / 1.055, 2.4), x / 12.92)