Review and Comparison of High-Dynamic Range Three-Dimensional Shape Measurement Techniques

Table 1

Pros and cons of various HDR techniques.

Technique	Ref.	Autoprediction of parameters	High accuracy	Possible on line applications	No a priori needed	No requirement of postprocessing	No additional requirement in hardware	Dealing with complex textures and colors
Using multiple exposures	[9, 10, 12]		√		√		√	√
	[11, 13]	√	√				√	√
	[14]	√	√	√			√	√
Using an optimal exposure time	[15, 16]	√		√		√	√	√
Adjusting projected pattern intensities	[17–19]			√	√	√	√	√
	[20, 21]		√		√		√	√
	[22–24]	√	√	√		√	√	√
Using polarizing filters	[30]		√	√		√		√
Using color invariants	[38]			√	√	√	√
Photometric stereo	[52]		√