Automatic segmentation of natural scene images based on chromatic and achromatic components
MIRAGE'07 Proceedings of the 3rd international conference on Computer vision/computer graphics collaboration techniques
Text extraction from natural scene image: A survey
Neurocomputing
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Abstract: This paper describes a connected component (CC)-based approach to automatic text location and segmentation in natural scene images. Multi-group decomposition scheme is used to deal with the complexity of the color background. Connected component extraction is implemented using block adjacency graph (BAG) algorithm after noise filtering and run length smearing (RLS) operation. Some heuristic features and priority adaptive segmentation (PAS) of characters are proposed in block candidate verification and grayscale-based recognition. A prototype system is completed and the experimental results prove the effectiveness of the proposed method.