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