METHOD AND APPARATUS FOR INTEGRATING MULTIPLE PROJECTORS

摘要

Method and apparatus are provided for seamless integration of multiple video projectors (100a, 100b). Edge blending and projection artifacts in dark or black image regions caused by residual grays from non-perfect projector black levels are reduced. Overlapped (102a, 102b) and non-overlapped areas (104a, 104b) are defined and then the minimum black level (208) of the video signal in non-overlapped areas is boosted without affecting the bright portion of the video signal in order to create uniform black level. The bright portion of the image is then smoothed in the overlapped area with seamless edge blending techniques. The resultant projected image may be passed through a neutral density filter (562). The image may also pass through a physical mask (712a, 712b).