Sciweavers

ICIP
2007
IEEE
15 years 16 days ago
Subjective Quality Analysis of Bit Rate Exchange Between Temporal and SNR Scalability in the MPEG4 SVC Extension
It is well known that a compression trade-off exists between the spatial and temporal video quality. Various temporal scalability techniques have been considered for lowering the ...
Mark A. J. Barzilay, Jacco R. Taal, Reginald L. La...
ICIP
2007
IEEE
15 years 16 days ago
Isomap Tracking with Particle Filtering
The problem of tracking involves challenges like in-plane and out-of-plane rotations, scaling, variations in ambient light and occlusions. In this paper we look at the problem of ...
Nikhil Rane, Stanley T. Birchfield
ICIP
2007
IEEE
15 years 16 days ago
Distancecut: Interactive Segmentation and Matting of Images and Videos
An interactive algorithm for soft segmentation and matting of natural images and videos is presented in this paper. The technique follows and extends [10], where the user first ro...
Xue Bai, Guillermo Sapiro
ICIP
2007
IEEE
15 years 16 days ago
On a Watermarking Scheme in the Logarithmic Domain and its Perceptual Advantages
Scaling attacks are well-known to be some of the most harmful strategies against quantization-based watermarking methods, as they can completely ruin the performance of the waterm...
Pedro Comesaña, Fernando Pérez-Gonz&...
ICIP
2007
IEEE
15 years 16 days ago
Markov Random Field Model-Based Edge-Directed Image Interpolation
Abstract-- This paper presents an edge-directed image interpolation algorithm. In the proposed algorithm, the edge directions are implicitly estimated with a statistical-based appr...
Min Li, Truong Q. Nguyen
ICIP
2007
IEEE
15 years 16 days ago
Analysis of Nonlinear Collusion Attacks on Fingerprinting Systems for Compressed Multimedia
In this paper, we analyze the effect of various collusion attacks on fingerprinting systems for compressed multimedia. We evaluate the effectiveness of the collusion attacks in te...
Avinash L. Varna, Shan He, Ashwin Swaminathan, Min...
ICIP
2007
IEEE
15 years 16 days ago
Analyzing Symbol and Bit Plane-Based LDPC in Distributed Video Coding
Many distributed video coders are implemented using sophisticated error correction codes that use soft information (conditional probabilities) as a priori knowledge. This a priori...
Ronald P. Westerlaken, Stefan Borchert, Rene Klein...
ICIP
2007
IEEE
15 years 16 days ago
Virtual Mirror: Real-Time Tracking of Shoes in Augmented Reality Environments
In this paper, we present a system that enhances the visualization of customized sports shoes using augmented reality techniques. Instead of viewing yourself in a real mirror, sop...
Jürgen Rurainsky, Peter Eisert, Philipp Fecht...
ICIP
2007
IEEE
15 years 16 days ago
A New Objective Quality Metric for Frame Interpolation using in Video Compression
This paper discusses the disadvantages of several existing objective quality evaluation methods for frame interpolation techniques. Samples show that these disadvantages lead the ...
Kai-Chieh Yang, Ai-Mei Huang, Truong Nguyen, Clark...
ICIP
2007
IEEE
15 years 16 days ago
Perceptual Image Coding Based on a Maximum of Minimal Structural Similarity Criterion
Perceptual image coding algorithms typically impose perceptual modeling in a preprocessing stage. A perceptual normalization model is often used to transform the original image si...
Zhou Wang, Qiang Li, Xinli Shang