Methods and apparatus, including computer program products, for creating an image-based effect from a digital matte. A digital matte is generated from an image. The digital matte is blurred. The blurred matte is shaped using a predefined shaping transformation. The shaped blurred matte is used to create the effect.

 
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> Statistic calculating method using a template and corresponding sub-image to determine similarity based on sum of squares thresholding

> Two dimensional image recording and reproducing scheme using similarity distribution
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