Sciweavers

ICASSP
2011
IEEE
13 years 4 months ago
Rate distorsion analysis in a disparity compensated scheme
This paper addresses the problem of rate distortion analysis in the context of multi-view image coding, where images are predicted via disparity compensation based on depth map. W...
Valentina Davidoiu, Thomas Maugey, Béatrice...
CVPR
2011
IEEE
13 years 4 months ago
A Novel Parametrization of the Perspective-Three-Point Problem for a Direct Computation of Absolute Camera Position and Orientat
The Perspective-Three-Point (P3P) problem aims at determining the position and orientation of the camera in the world reference frame from three 2D-3D point correspondences. This ...
Laurent Kneip, Davide Scaramuzza, Roland Siegwart
TCSV
2010
13 years 7 months ago
Dual Frame Motion Compensation With Optimal Long-Term Reference Frame Selection and Bit Allocation
In dual frame motion compensation (DFMC), one short-term reference frame and one long-term reference frame (LTR) are utilized for motion compensation. The performance of DFMC is he...
Da Liu, Debin Zhao, Xiangyang Ji, Wen Gao
JOCN
2010
123views more  JOCN 2010»
13 years 7 months ago
Human Brain Dynamics Accompanying Use of Egocentric and Allocentric Reference Frames during Navigation
Maintaining spatial orientation while travelling requires integrating spatial information encountered from an egocentric viewpoint with accumulated information represented within ...
Klaus Gramann, Julie Onton, Davide Riccobon, Herma...
ICMCS
2009
IEEE
130views Multimedia» more  ICMCS 2009»
13 years 10 months ago
Fast multi-reference motion estimation via statistical learning for H.264/AVC
In the H.264/AVC coding standard, motion estimation (ME) is allowed to use multiple reference frames to make full use of reducing temporal redundancy in a video sequence. Although...
Chen-Kuo Chiang, Shang-Hong Lai
ICIP
2010
IEEE
13 years 10 months ago
In-loop denoising of reference frames for lossless coding of noisy image sequences
The major gain in video coding applications compared to single image coding is the use of temporal prediction, which exploits the correlation between adjacent frames. However, in ...
Eugen Wige, Peter Amon, Andreas Hutter, Andr&eacut...
TCSV
2008
99views more  TCSV 2008»
14 years 10 days ago
Efficient Reference Frame Selector for H.264
This paper proposes a simple yet effective mechanism to select proper reference frames for H.264 motion estimation. Unlike traditional video codecs, H.264 permits more than one ref...
Tien-Ying Kuo, Hsin-Ju Lu
JMM2
2008
102views more  JMM2 2008»
14 years 12 days ago
Impact of Spatial Reference Frames on Human Performance in Virtual Reality User Interfaces
The design of virtual reality user interfaces (VRUI) is still an open field of research and development. One category of VRUI is the 3D floating menus that can be manipulated by us...
Marc Bernatchez, Jean-Marc Robert
DATE
2010
IEEE
144views Hardware» more  DATE 2010»
14 years 5 months ago
A reconfigurable hardware for one bit transform based multiple reference frame Motion Estimation
—Motion Estimation (ME) is the most computationally intensive part of video compression and video enhancement systems. One bit transform (1BT) based ME algorithms have low comput...
Abdulkadir Akin, G. Sayilar, Ilker Hamzaoglu
ICMCS
2005
IEEE
95views Multimedia» more  ICMCS 2005»
14 years 6 months ago
Loss-Compensated Reference Frame Optimization for Multi-Path Video Streaming
Recent video coding standards such as H.264 offer the flexibility to select reference frames during motion estimation for predicted frames. In this paper, by tracking loss compen...
Gene Cheung, Wai-tian Tan