Table 4.

Phase quantization scheme used in the complex shape function implementation.

Phase Interval	Quantized Value	Patch Color in Figure 3a
$[-\pi /4+\pi /4)$	0	Yellow
$[\pi /4+3/4\pi )$	$\pi /2$	Red
$[3/4\pi +5/4\pi )$	$\pi$	Blue
$[5/4\pi +7/4\pi )$	$3/2\pi$	Black