An Improved Quantum-Inspired Genetic Algorithm for Image Multilevel Thresholding Segmentation

Table 1

Lookup table of 𝜃_𝑖.

𝑥𝑖	𝑏𝑖	𝑓(𝑥𝑖)≥𝑓(𝑏𝑖)	Δ𝜃
0	0	False	0
0	0	True	0
0	1	False	0.01𝜋
0	1	True	0
1	0	False	−0.01𝜋
1	0	True	0
1	1	False	0
1	1	True	0