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检索条件"机构=Centre for Multimedia Signal Processing and Department of Computing"
352 条 记 录,以下是1-10 订阅
排序:
Set a Thief to Catch a Thief: Combating Label Noise through Noisy Meta Learning
arXiv
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arXiv 2025年
作者: Wang, Hanxuan Lu, Na Zhao, Xueying Yan, Yuxuan Ma, Kaipeng Keong, Kwoh Chee Carneiro, Gustavo Department of Automation Science and Engineering Xi’an Jiaotong University China School of Electrical Engineering Xi’an Jiaotong University China College of Computing and Data Science Nanyang Technological University Singapore Centre for Vision Speech and Signal Processing University of Surrey United Kingdom
Learning from noisy labels (LNL) aims to train high-performance deep models using noisy datasets. Meta learning based label correction methods have demonstrated remarkable performance in LNL by designing various meta ...
来源: 评论
Fast and convergence-guaranteed algorithm for linear separation
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Science China(Information Sciences) 2010年 第4期53卷 729-737页
作者: ZHANG David Center for Multimedia Signal Processing/Department of Computing Hong Kong Polytechnic University
Efficient linear separation algorithms are important for pattern classification applications. In this paper, an algorithm is developed to solve linear separation problems in n-dimensional space. Its convergence featur... 详细信息
来源: 评论
Optimal thresholds for multiwavelet shrinkage
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ELECTRONICS LETTERS 2003年 第5期39卷 473-474页
作者: Hsung, TC Lun, DPK Centre for Multimedia Signal Processing Department of Electronic and Information Engineering The Hong Kong Polytechnic University Hong Kong
Optimal thresholds selection for multiwavelet denoising using multivariate shrinkage is considered. Unlike other risk estimators which are derived for a single threshold, a new risk estimator is proposed for each deco... 详细信息
来源: 评论
PESQ and 3SQM measurement of voice quality over live 3G networks  8
PESQ and 3SQM measurement of voice quality over live 3G netw...
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8th International Conference on Measurement of Audio and Video Quality in Networks, MESAQIN 2009
作者: Goudarzi, Mohammad Sun, Lingfen Ifeachor, Emmanuel Centre of Signal Processing and Multimedia Communications School of Computing Communications and Electronics University of Plymouth United Kingdom
The purpose of this paper is to investigate the accuracy of PESQ and 3SQM in predicting voice quality over live 3G networks. We set up an Asterisk-based testbed to measure voice quality over 3G mobile networks. 192 ex... 详细信息
来源: 评论
Fast multiscale directional filter bank with applications to texture retrieval
Fast multiscale directional filter bank with applications to...
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4th International Conference on Information Technology and Applications, ICITA 2007
作者: Cheng, K.O. Law, N.F. Siu, W.C. Centre for Multimedia Signal Processing Department of Electronic and Information Engineering Hong Kong Polytechnic University
The contourlet transform has emerged recently as an efficient directional multiresolution image decomposition. In order to enhance its distinguishing power for texture images, the high frequency band is split by half ... 详细信息
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Spectral approaches for DNA sequence classification
Spectral approaches for DNA sequence classification
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4th International Conference on Information Technology and Applications, ICITA 2007
作者: Cheng, K.O. Law, N.F. Siu, W.C. Centre for Multimedia Signal Processing Department of Electronic and Information Engineering Hong Kong Polytechnic University
Z-curve features are one of the popular features used in DNA sequence classification. Here, we studied the Z-curve features from a signal processing point of view. In particular, the Z-curve features are re-interprete... 详细信息
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Efficient realization for symmetric orthogonal multiwavelet by simple scaling and rotation
Efficient realization for symmetric orthogonal multiwavelet ...
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IEEE International Symposium on Circuits and Systems 2005, ISCAS 2005
作者: Ma, Chun-Yat Hsung, Tai-Chiu Lun, Daniel Pak-Kong Centre for Multimedia Signal Processing Department of Electronic and Information Engineering Hong Kong Polytechnic University Hong Kong
An efficient realization of symmetric orthogonal discrete multiwavelet transform using simple scaling and rotation matrix factorization is proposed in this paper. Simulation results show that, by factorizing the polyp... 详细信息
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Efficient blind image restoration based on 1-D generalized cross validation  2nd
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2nd IEEE Pacific-Rim Conference on multimedia, IEEE-PCM 2001
作者: Lun, Daniel P. K. Chan, Tommy C. L. Hsung, T.C. Feng, David D. Centre for Multimedia Signal Processing Department of Electronic and Information Engineering The Hong Kong Polytechnic University Hong Kong
Restoring an image from its convolution with an unknown blur function is a well-known ill-posed problem in image processing. The generalized cross validation (GCV) approach was proposed to solve the problem and it has... 详细信息
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Automatic human face recognition system using fractal dimension and modified Hausdorff distance1  2nd
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2nd IEEE Pacific-Rim Conference on multimedia, IEEE-PCM 2001
作者: Lin, Kwan-Ho Guo, Baofeng Lam, Kin-Man Siu, Wan-Chi Centre for Multimedia Signal Processing Department of Electronic and Information Engineering The Hong Kong Polytechnic University Hong Kong
In this paper, an efficient automatic human face recognition system is proposed. Fractal dimension is an efficient representation of texture which is used to locate the eyes in a human face. We propose a modified appr... 详细信息
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Efficient Wavelet-based temporally scalable video coding  6
Efficient Wavelet-based temporally scalable video coding
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6th International Conference on signal processing, ICSP 2002
作者: Ho, K.H. Lun, Daniel P.K. Department of Electronic and Information Engineering Centre for Multimedia Signal Processing Hong Kong Polytechnic University Hong Kong
A new temporally scalable video coding algorithm based on the interpolating wavelet transform is proposed. With the proposed approach, the input video frames are first applied to an interpolating wavelet transform whi... 详细信息
来源: 评论