Laser & Optoelectronics Progress, Volume. 56, Issue 6, 061502(2019)
Luminance Measurement Based on High Dynamic Range Images
Fig. 1. Schematic of experimental device
Fig. 2. LDR images at background luminance of 61.185 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
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
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
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
Fig. 7. Luminance and error of each color block at background luminance of 61.185 cd·m-2
Fig. 8. Luminance and error of each color block at background luminance of 25.770 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
Category: Machine Vision
Received: Aug. 13, 2018
Accepted: Oct. 17, 2018
Published Online: Jul. 30, 2019
The Author Email: Tian Huijuan (tianhjgx@126.com)