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» Constrained Optimization and Lagrange Multiplier Methods
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INFORMATICALT
2008
127views more  INFORMATICALT 2008»
13 years 7 months ago
Energy Cost Optimization by Adequate Transmission Rate Dividing in Wireless Communication System
Abstract. Energy cost is the main constraint in modern wireless communication system. A powerful scheme due to optimal energy cost is provided for a single node server in this pape...
Reu-Ching Chen, Chen-Sung Chang
ICASSP
2011
IEEE
12 years 11 months ago
Rate-SSIM optimization for video coding
The structural similarity (SSIM) index has been found to be a good indicator of perceived image quality. In this paper, we propose a rate-SSIM optimization scheme for mode selecti...
Shiqi Wang, Abdul Rehman, Zhou Wang, Siwei Ma, Wen...
ICMCS
2006
IEEE
142views Multimedia» more  ICMCS 2006»
14 years 1 months ago
Key Frame Extraction in 3D Video by Rate-Distortion Optimization
3D video, which consists of a sequence of 3D mesh models, can provide detailed 3D information both in spatial and temporal domain. In this paper, a key frame extraction method has...
Jianfeng Xu, Toshihiko Yamasaki, Kiyoharu Aizawa
TIP
2010
163views more  TIP 2010»
13 years 2 months ago
Fast Image Recovery Using Variable Splitting and Constrained Optimization
We propose a new fast algorithm for solving one of the standard formulations of image restoration and reconstruction which consists of an unconstrained optimization problem where t...
Manya V. Afonso, José M. Bioucas-Dias, M&aa...
MOC
2011
13 years 2 months ago
Analysis of HDG methods for Stokes flow
Abstract. In this paper, we analyze a hybridizable discontinuous Galerkin method for numerically solving the Stokes equations. The method uses polynomials of degree k for all the c...
Bernardo Cockburn, Jayadeep Gopalakrishnan, Ngoc C...