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As the newest video encoding standard H.264/AVC obtained higher compression ratio at the cost of huge coding complexity, the encoding real-time sharply declined, and become the bottleneck of H.264/AVC in widely used. Aiming at the important and time-consuming encoding technique of H.264/AVC, combining the motion acuteness degree of macro block, the new motion estimation search template and adaptive...
H.264/AVC is the newest video coding standard with high compression efficiency. Especially it adopts traveling algorithm to find the optimal mode for intra-frame prediction in spatial field, so it is quite complex and costs very long encoding-time. In this paper, the proposed fast mode decision scheme consists of two parts: early intra mode detection, which is to select intra 4 × 4 or intra 16 × 16...
Detecting and segmenting moving object is an important subject in computer visual analysis. Firstly, the algorithms of detecting moving target from static background in video sequences are discussed in this paper. Secondly, as the inter-frame subtraction can't detect moving object accurately and mixture Gaussian models can't solve the problems such as ghost, shadow and real-time application, a new...
Detecting and segmenting moving object is an important subject in computer visual analysis. Firstly, this paper discusses algorithms of detecting moving target from static background in video sequences. Secondly, as the existing mixture Gaussian models can't solve the problems such as ghost and real-time application, a new method based on moving edge detection of difference between adjacent frames...
With the development of Multimedia Network Technology and the rapid increase of image application, Content-based Image Retrieval (CBIR) becomes the most active one in multimedia information retrieval field. One of the key issues is how to construct effective organization and index to enhance image retrieval speed. Clustering is a kind of effective method. This paper presents a modified fuzzy C-means...
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