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A new type of digital filter for removing impulsive noise from color images is proposed using interactive evolutionary computing. This filter is realized as a rule-based system with interpolation technique considering the correlation among color components. This filter first detects the pixels on which impulsive noise is added on each RGB channel, based on the rules concerning the peculiarity of the...
A method of detecting text regions in images which combines grayscale decomposition and stroke extraction is proposed. By checking the consistency of the two text features, text-like connected components are grouped together to generate text line regions in the processed image. It shows good performance on efficiently detecting image text rendered in relatively complex backgrounds.
Caption detection in the video is an active research topic in recent years. In the conventional methods, one of most difficult problems is to effectively and quickly extract the durations of the different-size captions in the complex background. To solve this problem, a novel and effective method is presented to locate and track the captions in the video. The main contributions are: (1)present a multi-scale...
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