Sciweavers

ICASSP
2007
IEEE
14 years 2 months ago
Real Time 3D Avatar Transmission using Cylinder Mapping
In this paper, we propose a client-sever system, which accomplishes acquisition, transmission and reconstruction of the 3D shape at a remote location in real time. The server cons...
Shin-ichiro Takahashi, Masaaki Ikehara, Ishtiaq Ra...
ICASSP
2007
IEEE
14 years 2 months ago
Particle PHD Filtering for Multi-Target Visual Tracking
We propose a multi-target tracking algorithm based on the Probability Hypothesis Density (PHD) filter and data association using graph matching. The PHD filter is used to compen...
Emilio Maggio, Elisa Piccardo, Carlo S. Regazzoni,...
ICASSP
2007
IEEE
14 years 2 months ago
Unsupervised Audio Segmentation using Extended Baum-Welch Transformations
Audio segmentation has applications in a variety of contexts, such as audio information retrieval, automatic sound analysis, and as a pre-processing step in speech recognition. Ex...
Tara N. Sainath, Dimitri Kanevsky, Giridharan Iyen...
ICASSP
2007
IEEE
14 years 2 months ago
Subjective Quality Evaluation of Decoded Video in the Presence of Packet Losses
This paper investigates the perceptual quality of decoded video bitstreams after packet losses. We focus on lowresolution and low-bit rate video coded by the H.264/AVC encoder, an...
Tao Liu, Yao Wang, Jill M. Boyce, Zhenyu Wu, Hua Y...
ICASSP
2007
IEEE
14 years 2 months ago
Video Quality Metrics - An Analysis for Low Bit Rate Videos
Objective video quality metrics reported in the literature have so far been focused on TV signals with large frame sizes, full TV frame rates, and high compressed bit rates. The a...
Ee Ping Ong, Mei Hwan Loke, Weisi Lin, Zhongkang L...
ICASSP
2007
IEEE
14 years 2 months ago
ICA-Based Algorithms Applied to Image Coding
Recently, Narozny et al [1] proposed a new viewpoint in variable high-rate transform coding. They showed that the problem of finding the optimal 1-D linear block transform for a ...
Michel Narozny, Michel Barret
ICASSP
2007
IEEE
14 years 2 months ago
Block Size Forensic Analysis in Digital Images
In non-intrusive forensic analysis, we wish to find information and properties about a piece of data without any reference to the original data prior to processing. An important ...
Steven Tjoa, Wan-Yi Sabrina Lin, H. Vicky Zhao, K....
ICASSP
2007
IEEE
14 years 2 months ago
Blind Source Separation Based on a Beamformer Array and Time Frequency Binary Masking
This paper deals with a new technique for blind source separation (BSS) from convolutive mixtures. We present a three-stage separation system employing time-frequency binary maski...
Jan Cermak, Shoko Araki, Hiroshi Sawada, Shoji Mak...
ICASSP
2007
IEEE
14 years 2 months ago
A Self-Training Semi-Supervised Support Vector Machine Algorithm and its Applications in Brain Computer Interface
In this paper, we analyze the convergence of an iterative selftraining semi-supervised support vector machine (SVM) algorithm, which is designed for classi cation in small trainin...
Yuanqing Li, Huiqi Li, Cuntai Guan, Zhengyang Chin
ICASSP
2007
IEEE
14 years 2 months ago
Maximum Likelihood Sound Source Localization for Multiple Directional Microphones
This paper presents a maximum likelihood (ML) framework for multimicrophone sound source localization (SSL). Besides deriving the framework, we focus on making the connection and ...
Cha Zhang, Zhengyou Zhang, Dinei A. F. Florê...