An algorithm for colour-based natural scene text segmentation
CBDAR'11 Proceedings of the 4th international conference on Camera-Based Document Analysis and Recognition
A novel ring radius transform for video character reconstruction
Pattern Recognition
An approach for Bangla and Devanagari video text recognition
Proceedings of the 4th International Workshop on Multilingual OCR
A framework for improved video text detection and recognition
Multimedia Tools and Applications
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This paper introduces a binarization method based on edge for video text images, especially for images with complex background or low contrast. The binarization method first detects the contour of the text, and utilizes a local thresholding method to decide the inner side of the contour, and then fills up the contour to form characters that are recognizable to OCR software. Experiment results show that our method is especially effective on complex background and low contrast images.