Sciweavers

ICASSP
2007
IEEE
14 years 6 months ago
MEG Signal Denoising Based on Time-Shift PCA
We present a method for removing environmental noise from physiological recordings such as Magnetoencephalography (MEG) for which noise-sensitive reference channels are available....
Alain de Cheveigné, Jonathan Le Roux, Jonat...
ICASSP
2007
IEEE
14 years 6 months ago
Speeded Up Gradient Vector Flow B-Spline Active Contours for Robust and Real-Time Tracking
Segmentation and tracking methods have been widely explore. However, they are often computationally heavy or require constraining assumptions. We present in this paper a new syste...
Joanna I. Olszewska, Christophe De Vleeschouwer, B...
ICASSP
2007
IEEE
14 years 6 months ago
Fast Mode Decision for H.264 Based on Rate-Distortion Cost Estimation
A fast mode decision algorithm for an H.264 encoder is proposed which reduces computation by using a statistical dependency of macroblock rate-distortion (RD) costs. The algorithm...
Yao-Chung Lin, Torsten Fink, Erwin B. Bellers
ICASSP
2007
IEEE
14 years 6 months ago
An Affine Invariant Function using PCA Bases with an Application to Within-Class Object Recognition
The problem of shape-based recognition of objects under affine transformations is considered. We focus on the construction of a robust and highly discriminative affine invariant...
Georgios Tzimiropoulos, Nikolaos Mitianoudis, Tani...
ICASSP
2007
IEEE
14 years 6 months ago
A Real-Time SRP-PHAT Source Location Implementation using Stochastic Region Contraction(SRC) on a Large-Aperture Microphone Arra
In most microphone array applications, it is essential to localize sources in a noisy, reverberant environment. It has been shown that computing the steered response power(SRP) is...
Hoang Do, Harvey F. Silverman, Ying Yu
ICASSP
2007
IEEE
14 years 6 months ago
ML Estimation of DNA Initial Copy Number in Polymerase Chain Reaction (PCR) Processes
Estimation of DNA copy number in a given biological sample is an extremely important problem in genomics. This problem is especially challenging when the number of the DNA strands...
Haris Vikalo, Babak Hassibi, Arjang Hassibi
ICASSP
2007
IEEE
14 years 6 months ago
A Joint Minimax Approach for Binaural Rendering of Audio Through Loudspeakers
This paper describes a method for jointly designing the crosstalk cancellation filters to facilitate binaural rendering of audio through loudspeakers. The minimax criterion is us...
Harsha I. K. Rao, V. John Mathews, Young-Cheol Par...
ICASSP
2007
IEEE
14 years 6 months ago
Recursive Motion Estimation of Range Image
In this paper, we present an innovative recursive motion estimation technique that can take advantage of the in-depth resolution (range) to perform an accurate estimation of objec...
Hamid Gharavi, Shaoshuai Gao
ICASSP
2007
IEEE
14 years 6 months ago
Raw Image Encoding Based on Polynomial Approximation
In this paper, we propose a coding algorithm for raw images with high dynamic ranges. Our encoder has two layers. In the first layer, 24 bit low dynamic range image is encoded by...
Masahiro Okuda, Nicola Adami
ICASSP
2007
IEEE
14 years 6 months ago
Adaptive Interpolation Filter with Flexible Symmetry for Coding High Resolution High Quality Video
In this work, a novel sub-pixel interpolation algorithm is proposed for video coders targeted towards high resolution and high fidelity use cases. Proposed scheme is based on adap...
Kemal Ugur, Jani Lainema, Moncef Gabbouj