colour_hdri.sampling Package¶
Sub-Modules¶
Module Contents¶
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colour_hdri.sampling.
samples_Grossberg2003
(image_stack, samples=1000, n=256)[source]¶ Returns the samples for given image stack intensity histograms using Grossberg (2003) method.
Parameters: Returns: Intensity histograms samples.
Return type: ndarray
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colour_hdri.sampling.
light_probe_sampling_variance_minimization
(light_probe, lights_count=16, luminance_factors=array([0.2126, 0.7152, 0.0722]))[source]¶ Sample given light probe to find lights using Viriyothai (2009) variance minimization light probe sampling algorithm.
Parameters: - light_probe (array_like) – Array to sample for lights.
- lights_count (int) – Amount of lights to generate.
- luminance_factors (array_like) – Weighting factors for Luminance conversion.
Returns: list of
Light_Specification
lights.Return type: