Table 1 The pixel values at 501 nm illustrating the: predominant angle of polarization ( χ ), degree of polarization (d) and ellipticity ( ɛ ).

From: Dynamic polarization vision in mantis shrimps

Value

Pixels

χ (°)

d

ɛ

Looming circle

[210 210 210]

49.06

0.99

0.23

Background

[0 0 0]

−12.19

0.92

0.23