Calibration of imaging luminance measuring devices (ILMD)

Liying Liu; Feng Zheng; Lingxi Zhu; Ye Li; Kewei Huan; Xiaoguang Shi

doi:10.1117/12.2216024

5 November 2015 Calibration of imaging luminance measuring devices (ILMD)

Liying Liu, Feng Zheng, Lingxi Zhu, Ye Li, Kewei Huan, Xiaoguang Shi

Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 97951D (2015) https://doi.org/10.1117/12.2216024
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

A method of calibration of imaging luminance measuring devices has been studied. By the device-independent color space transformation, the color image by digital camera could be converted to the CIE's absolute color space lab. Then, the calibration model is fitted between ln(L/t) and luminance. At last, luminance image is obtained and the dynamic range of luminance image could be adjusted by shutter speed.

Citation Download Citation

Liying Liu, Feng Zheng, Lingxi Zhu, Ye Li, Kewei Huan, and Xiaoguang Shi "Calibration of imaging luminance measuring devices (ILMD)", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97951D (5 November 2015); https://doi.org/10.1117/12.2216024

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