发明名称 Segmentation method and system for Multiple Raster Content (MRC) representation of documents
摘要 A method and a system for separating an image signal into a set of image planes. The system comprises a min-max module, a dynamic threshold module and a separation module. The min-max module receives the image signal, searches for a minimum and maximum within at least one window centered on a current pixel in the image signal. The dynamic threshold module computes, for the window, based on the respective minimum and maximum received from the min-max module and the current pixel, a respective indicator representing the distance and direction of the current pixel relative to a respective threshold plane, and outputs a control signal based on the indicator. The separation module separates the image signal into the set of image planes in accordance with the control signal by including a representation of the current pixel in at least one of the image planes.
申请公布号 US7031518(B2) 申请公布日期 2006.04.18
申请号 US20020188249 申请日期 2002.07.01
申请人 XEROX CORPORATION 发明人 CURRY DONALD J.;KLETTER DORON;NAFARIEH ASGHAR
分类号 G06K9/34;H04N1/40;G06K9/20;G06K9/38;G06K9/46;G06K9/50;G06T5/00;G06T7/60;H04N1/46;H04N1/54;H04N1/58 主分类号 G06K9/34
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