Sciweavers

ICIP
2002
IEEE
14 years 11 months ago
Semantic image segmentation using morphological tools
In this work, we study the extraction of semantic objects using morphological tools. We decompose the image into its level sets and level lines (the borders of the level sets). Sp...
Alvaro Pardo
ICIP
2002
IEEE
14 years 11 months ago
JPEG2000 over noisy communication channels - the cost analysis aspect
In this paper we present the behavior of JPEG2000 coding scheme over noisy or congested communication channels and highlight the cost analysis aspect. Two error schemes are consid...
George Pavlidis, A. Tsompanopoulos, Nikos Papamark...
ICIP
2002
IEEE
14 years 11 months ago
Multiresolution 3D mesh compression
In this paper, we propose an efficient low complexity compression scheme for densely sampled irregular 3D meshes. This scheme is based on 3D multiresolution analysis (3D Discrete ...
Frédéric Payan, Marc Antonini
ICIP
2002
IEEE
14 years 11 months ago
Likelihood normalization for face authentication in variable recording conditions
In this paper we evaluate the effectiveness of two likelihood normalization techniques, the Background Model Set (BMS) and the Universal Background Model (UBM), for improving perf...
Kuldip K. Paliwal, Conrad Sanderson
ICIP
2002
IEEE
14 years 11 months ago
Confidence measures for block matching motion estimation
This paper addresses the problem of deriving measures that express the degree of the reliability of motion vectors estimated by a Block Matching motion estimation method. We expre...
Ioannis Patras, Emile A. Hendriks, Reginald L. Lag...
ICIP
2002
IEEE
14 years 11 months ago
Robust video text segmentation and recognition with multiple hypotheses
A method for segmenting and recognizing text embedded in video and images is proposed in this paper. In the method, multiple segmentation of the same text region is performed, thu...
Jean-Marc Odobez, Datong Chen
ICIP
2002
IEEE
14 years 11 months ago
Image restoration under wavelet-domain priors: an expectation-maximization approach
This paper describes an expectation-maximization (EM) algorithm for wavelet-based image restoration (deconvolution). The observed image is assumed to be a convolved (e.g., blurred...
Robert D. Nowak, Mário A. T. Figueiredo
ICIP
2002
IEEE
14 years 11 months ago
Robust bandlimited watermarking with trellis coded modulation
Digital watermarking is equivalent to bandlimited, powerlimited digital communication. The power limit is due to the requirement of imperceptible watermarks, and has long been rec...
Aria Nosratinia, Vimal Thilak
ICIP
2002
IEEE
14 years 11 months ago
A high throughput low cost context-based adaptive arithmetic codec for multiple standards
Keng-Khai Ong, Wei-Hsin Chang, Yi-Chen Tseng, Yew-...
ICIP
2002
IEEE
14 years 11 months ago
Optimal detector structure for DCT and subband domain watermarking
Most of the watermarking schemes that have been proposed until now employ a correlator in the detection stage. The current paper proposes a new detector scheme that can be applied...
Athanasios Nikolaidis, Ioannis Pitas