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ICIP
2002
IEEE
14 years 11 months ago
Long term tracking using Bayesian networks
This paper addresses long term tracking of multiple objects with occlusions. Bayesian networks are used to model the interaction among the detected tracks and for conflict managem...
Arnaldo J. Abrantes, João Miranda Lemos, Jo...
ICIP
2002
IEEE
14 years 11 months ago
Contourlets: a directional multiresolution image representation
We propose a new scheme, named contourlet, that provides a flexible multiresolution, local and directional image expansion. The contourlet transform is realized efficiently via a ...
Minh N. Do, Martin Vetterli
ICIP
2002
IEEE
14 years 11 months ago
A blind watermarking technique in JPEG compressed domain
We proposed a blind watermarking technique to embed the watermark in JPEG compressed domain. Low frequency DCT coefficients are extracted to form an M-dimensional vector. Watermar...
Oscar C. Au, Peter H. W. Wong
ICIP
2003
IEEE
14 years 11 months ago
A refined ICP algorithm for robust 3-D correspondence estimation
Robust registration of two 3-D point sets is a common problem in computer vision. The Iterative Closest Point (ICP) algorithm is undoubtedly the most popular algorithm for solving...
Heinrich Niemann, Jochen Schmidt, Timo Zinße...
ICIP
2003
IEEE
14 years 11 months ago
Halftone visual cryptography
This paper considers the problem of encoding a secret binary image SI into n shares of meaningful halftone images within the scheme of visual cryptography (VC). Secret pixels enco...
Z. Zhou, Gonzalo R. Arce, Giovanni Di Crescenzo
ICIP
2003
IEEE
14 years 11 months ago
A novel cost-distortion optimization framework for video streaming over differentiated services networks
This paperpresentsa novel framework for streamingvideo over a Differentiated Services (DifPjew) network that jointly considers video source coding. packet classification and error...
Fan Zhai, Yiftach Eisenberg, Carlos E. Luna, Thras...
ICIP
2003
IEEE
14 years 11 months ago
Using polarimetric imaging for material classification
In this paper we are mainly interested in the classification of images into different clusters, each corresponding to an object material in the imaged scene. For that purpose, the...
Jihad Zallat, Pierre Grabbling, Yoshitate Takakura
ICIP
2003
IEEE
14 years 11 months ago
Annotating retrieval database with active learning
In this paper, we describe a retrieval system that uses hidden annotation to improve the performance. The contribution of this paper is a novel active learning framework that can ...
Cha Zhang, Tsuhan Chen
ICIP
2003
IEEE
14 years 11 months ago
Robust moving video object segmentation in the MPEG compressed domain
In this paper, we proposed a robust moving video object segmentation algorithm using features in the MPEG compressed domain. We first cluster the motion vectors and produce a moti...
Xiao-Dong Yu, Ling-Yu Duan, Qi Tian
ICIP
2003
IEEE
14 years 11 months ago
Error concealment of video sequences by data hiding
A complete error resilient video transmission codec is presented, utilizing imperceptible embedded information for combined detecting, resynchronization and reconstruction of the ...
Alper Yilmaz, A. Aydin Alatan