colour_hdri.absolute_luminance_calibration_Lagarde2016#
- colour_hdri.absolute_luminance_calibration_Lagarde2016(RGB: ArrayLike, measured_illuminance: float, colourspace: RGB_Colourspace = RGB_COLOURSPACES['sRGB']) NDArrayFloat[source]#
Perform absolute Luminance calibration of given RGB panoramic image using Lagarde (2016) method.
- Parameters:
RGB (ArrayLike) – RGB panoramic image to calibrate.
measured_illuminance (float) – Measured illuminance \(E_v\).
colourspace (RGB_Colourspace) – RGB colourspace used for internal Luminance computation.
- Returns:
Absolute Luminance calibrated RGB panoramic image.
- Return type:
Examples
>>> RGB = np.ones((4, 8, 3)) >>> absolute_luminance_calibration_Lagarde2016( ... RGB, 500 ... ) array([[[ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...]], [[ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...]], [[ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...]], [[ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...], [ 233.9912506..., 233.9912506..., 233.9912506...]]])