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1. Joint Iterative Decoding of Trellis-Based VQ and TCM

Maunder, R. G., Kliewer, J., Ng, S. X., Wang, J., Yang, L.-L., Hanzo, L.,

A joint video and channel coded system employing an iteratively decoded serial concatenation of a Vector Quantization (VQ) based video codec and a Trellis-Coded Modulation (TCM) scheme is proposed. Th...

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2. VQ-RED : an efficient virtual queue management approach to improve fairness in infrastructure WLAN

Lin, Xiaoyang, Chang, Xiaolin, Muppala, Jogesh K.,

In this paper, we consider two fairness problems (downlink/uplink fairness and fairness among flows in the same direction) that arise in the infrastructure WLAN. We propose a virtual queue management ...

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3. Pattern Classification: An Improvement Using Combination of VQ and PCA Based Techniques

Alok Sharma, Kuldip K. Paliwal, Godfrey C. Onwubolu,

This study firstly presents a survey on basic classifiers namely Minimum Distance Classifier (MDC), Vector Quantization (VQ), Principal Component Analysis (PCA), Nearest Neighbor (NN) and K-Nearest Ne...

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4. Regularized restoration of VQ compressed images with constrained least squares approach

Choy, Steven S. O., Yue, C. N., Hong, Sung-wai, Chan, Yuk-hee,

In this paper, an iterative algorithm is proposed to restore VQ-encoded images. This algorithm incorporates adaptivity into simple CLS restoration algorithm by weighting every pixel according to its e...

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5. In search of the optimal searching sequence for VQ encoding

Chan, Yuk-hee, Siu, Wan-chi,

The codeword searching sequence is sometimes very vital to the efficiency of a vector quantization (VQ) encoding algorithm. In this paper, we evaluate some necessary criteria for the derivation of an ...

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6. A Codebook Design Method for Robust VQ-Based Face Recognition Algorithm

Qiu Chen Koji Kotani Feifei Lee Tadahiro Ohmi,

In this paper, we present a theoretical codebook design method for VQ-based fast face recognition algorithm to im-prove recognition accuracy. Based on the systematic analysis and classification of cod...

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7. Graph-theoretic approach to the non-binary index assignment problem

Chan, Ho Yin,

Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2008, xvi, 113 leaves : ill. ; 30 cm, HKUST Call Number: Thesis ECED 2008 Chan, Vector quantization (VQ), as a powerful tool for lossy d...

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8. What determines the impact of vocational qualifications: a literature review

Unwin, Lorna, Fuller, Alison, Turbin, Jill, Young, Michael,

This Research Brief provides results from a review of the literature on the impact of vocational qualifications (VQs) carried out between April and August, 2003. It addresses four key questions: what ...

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9. A video questionnaire identifies upper airway abnormalities in pre-school children with reported wheeze

Saglani, Sejal, McKenzie, Sheila A, Bush, Andrew, Payne, Donald N,

Background:Accurate characterisation of subjects is essential to interpret data from studies investigating pre-school wheezing. Aim:To assess whether a video questionnaire (VQ) identifie...

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10. Entropy-constrained recursive vector quantization and application to image sequence coding

Foodeei, Majid,

In this dissertation, we consider some classical problems in source coding theory in general and image sequence coding in particular. Shannon rate-distortion-function (RDF) provides the unbeatable low...

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