Feng Chen, Yue Liu, Tao Yang. Color correction for tiled projection with irregularly shaped, overlapping region[J]. Chinese Optics Letters, 2015, 13(9): 093301
- Chinese Optics Letters
- Vol. 13, Issue 9, 093301 (2015)
Fig. 1. Different gamuts of four projectors.
Fig. 2. Selecting common color gamut. (a) Gamuts of two projectors. (b) Selected common gamut.
Fig. 3. Makeup of light transport matrix.
Fig. 4. Multi-projector constrained optimization. (a) Target Luminance. (b) Two Projectors 1. (c) Two Projectors 2. (d) Two Projectors 3.
Fig. 5. Results of correction. (a) Setup of the system. (b) Before correction. (c) After geometric calibration. (d) After color correction.
Fig. 6. Results of gamut matching. (a) Before gamut matching (red). (b) After gamut matching (red). (c) Before gamut matching (green). (d) After gamut matching (green).
Fig. 7. Two frames of a video rendered onto the car model.
Fig. 8. Deviation of color before and after correction.
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Table 1. CV of the Luminance at the Marginal and Central Areas of the Overlapping Region
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Table 2. CV of Different Color Channels in the Overlapping Region
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