Research Article

Accurate Quaternion Polar Harmonic Transform for Color Image Analysis

Table 1

Weights and locations of sampling points for point integration.

tt

12.00.070.12948497
0.27970539
0.38183005
0.41795918
±0.94910791
±0.74153119
±0.40584515
0.0
21.0±0.57735027
30.55555556
0.88888889
±0.77459667
0.0

40.34785485
0.65214515
±0.86113631
±0.33998104
80.10122853
0.22238103
0.31370665
0.36268378
±0.96028987
±0.79666648
±0.52553241
±0.18343464
50.23692688
0.47862867
0.56888889
±0.90617985
±0.53846931
0.0
60.17132449
0.36076157
0.46791393
±0.93246951
±0.66120939
±0.23861919