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Laser & Optoelectronics Progress, Volume. 56, Issue 6, 061502(2019)

Luminance Measurement Based on High Dynamic Range Images

Huijuan Tian1,3、*, Tiantian Hao2,3, Hui Zhang1,3, and Pingjuan Niu1,3
Author Affiliations
  • 1 Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, School of Electrical Engineering & Automation, Tianjin Polytechnic University, Tianjin 300387, China;
  • 2 School of Electronics and Information Engineering, Tianjin Polytechnic University, Tianjin 300387, China
  • 3 Engineering Research Center of Ministry of Education on High Power Solid State Lighting Application System, Tianjin 300387, China
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    AbstractGet PDF(in Chinese)
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    Schematic of experimental device

    Fig. 1. Schematic of experimental device

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    LDR images at background luminance of 61.185 cd·m-2

    Fig. 2. LDR images at background luminance of 61.185 cd·m-2

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    Synthetic HDR images under three different background luminance. (a) 61.185 cd·m-2; (b) 25.770 cd·m-2; (c) 14.150 cd·m-2

    Fig. 3. Synthetic HDR images under three different background luminance. (a) 61.185 cd·m-2; (b) 25.770 cd·m-2; (c) 14.150 cd·m-2

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    Relationship between tristimulus value and gray value of image at background luminance of 61.185 cd·m-2. (a) Ir-XR; (b) Ig-XG; (c) Ib-XB

    Fig. 4. Relationship between tristimulus value and gray value of image at background luminance of 61.185 cd·m-2. (a) Ir-XR; (b) Ig-XG; (c) Ib-XB

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    Relationship between tristimulus value and gray value of image at background luminance of 25.770 cd·m-2. (a) Ir-XR; (b) Ig-XG; (c) Ib-XB

    Fig. 5. Relationship between tristimulus value and gray value of image at background luminance of 25.770 cd·m-2. (a) Ir-XR; (b) Ig-XG; (c) Ib-XB

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    Relationship between tristimulus value and gray value of image at background luminance of 14.150 cd·m-2. (a) Ir-XR; (b) Ig-XG; (c) Ib-XB

    Fig. 6. Relationship between tristimulus value and gray value of image at background luminance of 14.150 cd·m-2. (a) Ir-XR; (b) Ig-XG; (c) Ib-XB

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    Luminance and error of each color block at background luminance of 61.185 cd·m-2

    Fig. 7. Luminance and error of each color block at background luminance of 61.185 cd·m-2

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    Luminance and error of each color block at background luminance of 25.770 cd·m-2

    Fig. 8. Luminance and error of each color block at background luminance of 25.770 cd·m-2

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    Luminance and error of each color block at background luminance of 14.150 cd·m-2

    Fig. 9. Luminance and error of each color block at background luminance of 14.150 cd·m-2

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    Huijuan Tian, Tiantian Hao, Hui Zhang, Pingjuan Niu. Luminance Measurement Based on High Dynamic Range Images[J]. Laser & Optoelectronics Progress, 2019, 56(6): 061502

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    Paper Information

    Category: Machine Vision

    Received: Aug. 13, 2018

    Accepted: Oct. 17, 2018

    Published Online: Jul. 30, 2019

    The Author Email: Huijuan Tian (tianhjgx@126.com)

    DOI:10.3788/LOP56.061502

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology