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Diffstat (limited to 'test_error_function.py')
| -rw-r--r-- | test_error_function.py | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test_error_function.py b/test_error_function.py new file mode 100644 index 0000000..99e1268 --- /dev/null +++ b/test_error_function.py @@ -0,0 +1,29 @@ +import numpy as np +from colour import * +from colour.recovery import error_function_Jakob2019 +from gsoc_common import model_sd, D65_xy + +if __name__ == "__main__": + shape = SpectralShape(360, 830, 1) + cmfs = STANDARD_OBSERVER_CMFS["CIE 1931 2 Degree Standard Observer"].align(shape) + + illuminant = SpectralDistribution(ILLUMINANT_SDS["D65"]).align(shape) + illuminant_XYZ = sd_to_XYZ(illuminant) / 100 + + coefficients = np.array([8.70184886, -13.19804478, 2.12180137]) + target = np.array([20, 50, 30]) + + error, derror_dc, R, XYZ, Lab = error_function_Jakob2019( + coefficients, target, shape, cmfs, + illuminant, illuminant_XYZ, True + ) + + sd = model_sd(coefficients) + good_XYZ = sd_to_XYZ(sd, illuminant=illuminant) + good_Lab = XYZ_to_Lab(good_XYZ / 100, D65_xy) + + print("Good XYZ: %g %g %g" % (*good_XYZ,)) + print(" EF XYZ: %g %g %g" % (*XYZ,)) + print("Good Lab: %g %g %g" % (*good_Lab,)) + print(" EF Lab: %g %g %g" % (*Lab,)) + print(" EF* Lab: %g %g %g" % (*XYZ_to_Lab(XYZ / 100, D65_xy),)) |