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In this paper, the optimal feedback bits allocation scheme between horizontal channel quantization and vertical channel quantization is proposed in three-dimensional (3D) multiple-input multiple-output (MIMO) systems with limited feedback. The proposed scheme aims to allocate more bits to quantize the channel dimension with stronger gains. The feedback bits allocation is studied by comparing the gains...
The second generation of Audio-video coding standard (AVS2) part 2 has obtained an outstanding compressing performance by a series of advanced technologies, e.g. flexible partition structure and high efficient prediction methods, etc. However, it is observed that there is still substantial motion information redundancy between spatial adjacent blocks. Therefore, this paper introduces a technique named...
According to the characteristics of the equipment maintenance, and combining the advantages and disadvantages of qualitative and quantitative evaluation, this paper introduces a method to evaluate the factors affecting equipment maintenance support ability based on the FAHP (“fuzzy synthesis” and “analytic hierarchy process”) and analyzes evaluation results. The effectiveness of the proposed method...
This paper is an overview for AVS stereoscopic video coding technology, including two channels based inter-view prediction coding and stereo packing mode coding. The first one utilizes inter-view prediction to efficiently exploit the redundancy between the two channels of stereoscopic video. The superior coding performance of the inter-view prediction scheme benefits from an enhanced block prediction...
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