Image analysis – Image segmentation
Patent
1994-09-30
1996-09-10
Couso, Jose L.
Image analysis
Image segmentation
382198, 382176, 382190, 235375, G06K 934
Patent
active
055555560
ABSTRACT:
A system for extracting document elements from a document using major white regions includes an input port for inputting a signal representing the document image, a connected component generator for generating connected components from the document image, a bounding box generator for generating a bounding box around each connected component, a major white region extractor for extracting major white regions from the document image, and a document element extractor for extracting the document elements from the document image. The method for extracting document elements comprises identifying primitive white areas laying between the bounding boxes, grouping the primitive white areas into groups, identifying the primitive white areas and groups which are major white regions, identifying closed loops of major white regions, segmenting the major white regions, locating closed loops of the segments, and identifying each portion of the document image enclosed by one of the closed loops of document segments as a document element.
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Couso Jose L.
Do Anh Hong
Fuji 'Xerox Co., Ltd.
Xerox Corporation
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