发明授权
US4298895A Visual image noise eliminating system 失效
视觉图像消除噪声系统

Visual image noise eliminating system
摘要:
Method and apparatus for eliminating noise in a digitally recorded visual image wherein the proportion of picture elements in an area surrounding an objective area having a first visual level or component is determined and the objective area concluded as having the same visual level or component when the proportion is above a predetermined value. In one embodiment, both picture elements in the surrounding and objective areas are counted to determine the proportion while in another only those picture elements in the surrounding area are counted.
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