CIE XYZ

Tip

Learn more: https://en.wikipedia.org/wiki/CIE_1931_color_space

Functions

kornia.color.rgb_to_xyz(image)

Convert a RGB image to XYZ.

Parameters:

image (Tensor) – RGB Image to be converted to XYZ with shape \((*, 3, H, W)\).

Return type:

Tensor

Returns:

XYZ version of the image with shape \((*, 3, H, W)\).

Example

>>> input = torch.rand(2, 3, 4, 5)
>>> output = rgb_to_xyz(input)  # 2x3x4x5

kornia.color.xyz_to_rgb(image)

Convert a XYZ image to RGB.

Parameters:

image (Tensor) – XYZ Image to be converted to RGB with shape \((*, 3, H, W)\).

Return type:

Tensor

Returns:

RGB version of the image with shape \((*, 3, H, W)\).

Example

>>> input = torch.rand(2, 3, 4, 5)
>>> output = xyz_to_rgb(input)  # 2x3x4x5

Modules

class kornia.color.RgbToXyz(*args, **kwargs)

Convert an image from RGB to XYZ.

The image data is assumed to be in the range of (0, 1).

Returns:

XYZ version of the image.

Shape:

• image: \((*, 3, H, W)\)

• output: \((*, 3, H, W)\)

Examples

>>> input = torch.rand(2, 3, 4, 5)
>>> xyz = RgbToXyz()
>>> output = xyz(input)  # 2x3x4x5

Reference:

[1] https://docs.opencv.org/4.0.1/de/d25/imgproc_color_conversions.html

class kornia.color.XyzToRgb(*args, **kwargs)

Converts an image from XYZ to RGB.

Returns:

RGB version of the image.

Shape:

• image: \((*, 3, H, W)\)

• output: \((*, 3, H, W)\)

Examples

>>> input = torch.rand(2, 3, 4, 5)
>>> rgb = XyzToRgb()
>>> output = rgb(input)  # 2x3x4x5

Reference:

[1] https://docs.opencv.org/4.0.1/de/d25/imgproc_color_conversions.html