Color-coded grating crosstalk compensation method based on projection plane

• Main Authors: LIU FEI, YAN JIN, LUO HUIFANG, ZHANG SHENGMING, ZHANG YINNAN, WU MINGXIONG, WU GAOXU, WU YANXUE, YANG SHICHAO
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2019
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention discloses a color-coded grating crosstalk compensation method based on a projection plane, and the method establishes an error lookup table err (up, vp) between a grayscale absolute phase and a color absolute phase based on a projection coordinate conversion formula by respectively pro...