作者: Lindsay W. MacDonald
DOI:
关键词:
摘要: In a video retouching system having an image source (40), refresh store (42) fed from the source, and monitor (46) supplied store, modifier (44) is interposed between controlled by modifying multi-bit location for each picture element. The stored values may be used, example to modify display obtain vignetting effect, or lighten darken elements chrominance. Preferably mask (48) one bit per pixel defines those pixels which modified must not modified. form, with element controls merging of two images.