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检索条件"机构=Image Processing and Image Communication Lab"
203 条 记 录,以下是11-20 订阅
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Refined spatial error concealment with directional entropy
Refined spatial error concealment with directional entropy
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5th International Conference on Wireless communications, Networking and Mobile Computing, WiCOM 2009
作者: Xuefeng, Zhan Xiuchang, Zhu Image Processing and Image Communication Lab. Nanjing University of Posts and Telecommunications Nanjing China
A refined error concealment method for intra frame in H.264 is proposed in this work. Directional entropy of neighboring edges is used to classify the content of the lost block. Some techniques aimed to shorten the co... 详细信息
来源: 评论
Fuzzy reasoning based temporal error concealment
Fuzzy reasoning based temporal error concealment
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6th International Conference on Fuzzy Systems and Knowledge Discovery, FSKD 2009
作者: Zhan, Xuefeng Zhu, Xiuchang Nanjing University of Posts and Telecommunications Image Processing and Image Communication Lab. Nanjing China
A novel temporal error concealment based on fuzzy reasoning is proposed in this paper. On temporal error concealment, motion vector (MV) of the lost block can be selected from candidate MVs. Generally, side match dist... 详细信息
来源: 评论
SSIM-based content adaptive frame skipping for low bit rate H.264 video coding
SSIM-based content adaptive frame skipping for low bit rate ...
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2010 IEEE 12th International Conference on communication Technology, ICCT'2010
作者: Cui, Ziguan Zhu, Xiuchang Image Processing and Image Communication Lab. Nanjing University of Posts and Telecommunications Nanjing China
Conventional rate control schemes for H.264/AVC video coding usually regulate output bit rate to match channel bandwidth by adjusting quantization parameter at fixed full frame rate, and the passive frame skipping to ... 详细信息
来源: 评论
A low complexity mb layer rate control algorithm based on motion similarity for H.264
A low complexity mb layer rate control algorithm based on mo...
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2010 International Conference on Wireless communications and Signal processing, WCSP 2010
作者: Cui, Ziguan Zhu, Xiuchang Image Processing and Image Communication Lab. Nanjing University of Posts and Telecommunications Nanjing China
This paper presents a simple but effective macroblock (MB) layer rate control (RC) scheme for H.264/AVC with low complexity. First, to reduce computation cost and inaccuracy of linear mean absolute difference (MAD) pr... 详细信息
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Multi-stage frame error concealment algorithm for H.264/AVC based on estimated MB feature
Multi-stage frame error concealment algorithm for H.264/AVC ...
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5th International Conference on Wireless communications, Networking and Mobile Computing, WiCOM 2009
作者: Ziguan, Cui Xiuchang, Zhu Image Processing and Image Communication Lab. Nanjing University of Posts and Telecommunications Nanjing China
This paper proposes a novel multi-stage frame error concealment (EC) algorithm for H.264/AVC based on estimated MB modes and MVs. The proposed method first divides the lost frame into three regions according to MB fea... 详细信息
来源: 评论
Subjective quality optimized intra mode selection for H.264 I frame coding based on SSIM
Subjective quality optimized intra mode selection for H.264 ...
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International Conference on image and Graphics
作者: Cui, Ziguan Zhu, Xiuchang Image Processing and Image Communication Lab Nanjing University of Posts and Telecommunications Nanjing 210003 China
H.264/AVC adopts rate distortion optimization (RDO) technique to select optimal macroblock (MB) coding mode and achieves higher compression efficiency, but the traditional RDO framework employs pixelwise mean square e... 详细信息
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Motion vector recovery for H.264 based on mean shift
Motion vector recovery for H.264 based on mean shift
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2009 15th Asia-Pacific Conference on communications, APCC 2009
作者: Zhan, Xuefeng Zhu, Xiuchang Nanjing University of Posts and Telecommunications Image Processing and Image Communication Lab. Nanjing 210003 China
In this paper, we describe a novel motion vector (MV) recovery method for H.264 which is based on mean shift procedure. In H.264, macroblock (MB) can be divided into several 4x4 blocks. Generally, MVs of these blocks ... 详细信息
来源: 评论
Stereo Matching based on Robust Likelihoods and MST Leveraged Smoothness Priors
Stereo Matching based on Robust Likelihoods and MST Leverage...
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2012 IEEE 11th International Conference on Signal processing(ICSP 2012)
作者: Tianliang Liu Liang Wang Xiuchang Zhu Jiangsu Provincial Key Lab of Image Processing and Image Communication College of Telecommunications and Information Engineering Nanjing University of Posts and Telecommunications
This paper proposes a global stereo correspondence using robust matching likelihoods and minimum spanning tree (MST) leveraged smooth priors in a probabilistic graphical model framework. The matching likelihoods of ... 详细信息
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Error concealment for stereoscopic images using boundary smooth degree
Error concealment for stereoscopic images using boundary smo...
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2009 15th Asia-Pacific Conference on communications, APCC 2009
作者: Tang, Guijin Zhu, Xiuchang Jiangsu Key Lab of Image Processing and Image Communication Nanjing University of Posts and Telecommunications Nanjing 210003 China
Error concealment can be regarded as a sort of error resilient coding techniques. This paper proposes a method to recover lost blocks in stereoscopic images. We first utilize the correlation to perform disparity estim... 详细信息
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Flicker-Free Adaptive Enhancement for Infrared Video  13
Flicker-Free Adaptive Enhancement for Infrared Video
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13th International Conference on Wireless communications and Signal processing, WCSP 2021
作者: Wei, Caixia Gan, Zongliang Nanjing University of Posts and Telecommunications Jiangsu Provincial Key Lab of Image Processing and Image Communication Nanjing China
Infrared videos often suffer from low contrast and insufficient texture. In order to improve poor visual effect, a novel infrared video enhancement method is proposed, which contains intra-frame brightness enhancement... 详细信息
来源: 评论