Sciweavers

ICIP
2007
IEEE
14 years 7 months ago
Fast Interframe Transcoding from H.264 to MPEG-2
This paper deals with conversion from H.264/AVC (Advanced Video Coding) coded video into the MPEG-2 format. The proposed approach exploits similarities between the coding techniqu...
Antonio Navarro 0002, Pedro A. Amado Assunç...
ICIP
2007
IEEE
14 years 7 months ago
On the Resolution Limits of Superimposed Projection
Multi-projector super-resolution is the dual of multi-camera superresolution. The goal of projector super-resolution is to produce a high resolution frame via superimposition of m...
Niranjan Damera-Venkata, Nelson L. Chang
ICIP
2007
IEEE
14 years 7 months ago
Unequal Length First-Order Linear-Phase Filter Banks for Efficient Image Coding
In this paper, we present the structure and design method for a firstorder linear-phase filter bank (FOLPFB) which has unequal filter lengths in its synthesis bank (UFLPFB). A FOL...
Yuichi Tanaka, Masaaki Ikehara, Truong Q. Nguyen
ICIP
2007
IEEE
14 years 7 months ago
A New Angle-Based Spatial Modeling for Query by Visual Thesaurus Composition
Querying by Visual Thesaurus (VT) is a novel paradigm for content-based image retrieval approaches for it gives the user the possibility, in case of inappropriate starting example...
Hichem Houissa, Nozha Boujemaa
ICIP
2007
IEEE
14 years 7 months ago
Iterative Blind Image Motion Deblurring via Learning a No-Reference Image Quality Measure
In this paper, we propose a learning-based image restoration algorithm for restoring images degraded by uniform motion blurs. The motion blur parameters are first approximately es...
Wen-Hao Lee, Shang-Hong Lai, Chia-Lun Chen
ICIP
2007
IEEE
14 years 7 months ago
A HMM-Based Method for Recognizing Dynamic Video Contents from Trajectories
This paper describes an original method for classifying object motion trajectories in video sequences in order to recognize dynamic events. Similarities between trajectories are e...
Alexandre Hervieu, Patrick Bouthemy, Jean-Pierre L...
ICIP
2007
IEEE
14 years 7 months ago
Multiframe Error Concealment for Whole-Frame Loss in H.264/AVC
In this paper, we propose a novel error concealment algorithm for the whole-frame loss based on multiframe. In concealing procedure, besides improve the quality of the concealed l...
Yi Liu, Jiajun Bu, Chun Chen, Linjian Mo, Kewei He
ICIP
2007
IEEE
14 years 7 months ago
The Hough Transform's Implicit Bayesian Foundation
This paper shows that the basic Hough transform is implicitly a Bayesian process--that it computes an unnormalized posterior distribution over the parameters of a single shape giv...
Neil Toronto, Bryan S. Morse, Dan Ventura, Kevin D...
ICIP
2007
IEEE
14 years 7 months ago
Unsupervised Lips Segmentation Based on ROI Optimisation and Parametric Model
Lips segmentation is a very important step in many applications such as automatic speech reading, MPEG-4 compression, special effects, facial analysis and emotion recognition. In ...
Christian Bouvier, Pierre-Yves Coulon, Xavier Mald...
ICIP
2007
IEEE
14 years 7 months ago
Lossless Image Compression and Selective Encryption using a Discrete Radon Transform
In this paper we propose a new joint encryption and lossless compression technique designed for large images 1 . The proposed technique takes advantage of the Mojette transform pr...
Andrew Kingston, Simone Colosimo, Patrizio Campisi...