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Disparity is an important feature of multiview video applications, which can be used in coding techniques, synthesis of views, among others. The disparity estimation, however, is very complex and requires high processing capabilities to produce precise results. This paper presents an estimation method that uses segmentation and disparity information in an iterative cycle. In each cycle the frames...
In this paper, we propose Hangul grapheme segmentation method by structural approach, which is developed on the machine printed characters with the widely known fonts such as Myunjo, Gulim and Gothic and applied to much more deformed fonts. The process is composed of two steps. One is a structural grapheme segmentation to the characters classified into 20 types, more a reasonable classification than...
This paper presents an image denoising scheme based on the correlation of the wavelet coefficients. It is well settled that significant features in images evolve with high magnitude across wavelet scales, while noise decays rapidly. Multiplying the adjacent wavelet scales sharpens the edges structures while weakening noise. This property is exploited by applying threshold to the scale correlation...
Internet access has dramatically increased the risk of receiving objectionable information such as the pornographic images. Content based Image detection is of the paramount importance in objectionable images filtering in Internet. This paper designed a simplified system by using the HSV color space converted by the law of gravity center and combining the face detection to define and evaluate the...
Since multiview video coding (MVC) based on H.264/AVC uses a prediction scheme exploiting inter-view correlation among multiview video, MVC encoder compresses multiple views more efficiently than simulcast H.264/AVC encoder. However, in case that the number of views to be encoded increases in MVC, the total encoding time will be greatly increased. To reduce computational complexity in MVC, a fast...
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