Locating and Recognizing Text in WWW Images
Information Retrieval
Text Extraction from Color Documents - Clustering Approaches in Three and Four Dimensions
ICDAR '01 Proceedings of the Sixth International Conference on Document Analysis and Recognition
Decompose-Threshold Approach to Handwriting Extraction in Degraded Historical Document Images
IWFHR '04 Proceedings of the Ninth International Workshop on Frontiers in Handwriting Recognition
Proceedings of the 2007 ACM symposium on Applied computing
VAST'06 Proceedings of the 7th International conference on Virtual Reality, Archaeology and Intelligent Cultural Heritage
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This paper proposes an adaptive method for separation of foreground and background in low quality color document images. A connected component labelling is initially implemented to capture the spatially connected similar color pixels. Next, dominant background components are determined to divide the entire image is into number of grids each representing local uniformity in illumination, background, etc. Finally foreground parts are located using local information around them. Several color images of old historical documents including manuscripts of high importance are used in the experiment. Apart from a qualitative evaluation, results are quantitatively compared with one popular foreground/background separation technique.