supported by the National Natural Science Foundation of China(No.81101130);the Fundamental Research Funds for Central Universities under the South China University of Technology(No.2012ZZ0095);the Science and Technology Program of Guangdong Province(No.2012B031800026)
A calibration board composed of 8×8 near-infrared surface-mounted diodes(NIR-SMDs)(940 nm)is designed.Meanwhile,a common binocular measurement system with the average error less than 0.1320 mm is used to obtain the g...