1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
import numpy as np, struct
from colour import *
from colour.difference import delta_E_CIE1976
from colour.models import eotf_inverse_sRGB
from colour.recovery import Jakob2019Interpolator
from gsoc_common import D65, D65_xy, jakob_hanika, model_sd, plot_comparison
# This script tests if the interpolator correctly handles multi-dimensional
# inputs.
if __name__ == "__main__":
interp = Jakob2019Interpolator()
interp.read_file("data/srgb.coeff")
RGBs = np.random.random((7, 6, 5, 4, 3))
ccs = interp.coeffs(RGBs)
RGB = eotf_inverse_sRGB(RGBs[0, 0, 0, 0, :])
XYZ = sRGB_to_XYZ(RGB)
Lab = XYZ_to_Lab(XYZ, D65_xy)
cc = ccs[0, 0, 0, 0, :]
matched_sd = model_sd(cc, primed=False)
matched_XYZ = sd_to_XYZ(matched_sd, illuminant=D65)
matched_Lab = XYZ_to_Lab(matched_XYZ, D65_xy)
error = delta_E_CIE1976(Lab, matched_Lab)
plot_comparison(XYZ, matched_sd, "Model", error, D65)
|
