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ICIP
2006
IEEE
16 years 1 months ago
FPGA Architecture for Real-Time Video Noise Estimation
This paper proposes a hardware architecture of a video noise estimation algorithm capable of real-time processing. The objectives consist of adapting a computationally demanding n...
Francois-Xavier Lapalme, Aishy Amer, Chunyan Wang
RTCSA
2005
IEEE
15 years 5 months ago
Quasi-Static Scheduling for Multiprocessor Real-Time Systems with Hard and Soft Tasks
We address in this paper the problem of scheduling for multiprocessor real-time systems with hard and soft tasks. Utility functions are associated to soft tasks to capture their r...
Luis Alejandro Cortés, Petru Eles, Zebo Pen...
VTC
2006
IEEE
15 years 5 months ago
An Initial Timing Offset Estimation Method for OFDM Systems in Rayleigh Fading Channel
- An initial timing offset estimation method for orthogonal frequency-division multiplexing (OFDM) systems is proposed. Conventional preamble-based synchronization methods result i...
Seung Duk Choi, Jung Min Choi, Jae Hong Lee
GLOBECOM
2009
IEEE
15 years 6 months ago
Slepian-Based Serial Estimation of Time-Frequency Variant Channels for MIMO-OFDM Systems
Abstract—This paper proposes a low-complexity twodimensional channel estimator for MIMO-OFDM systems derived from a time-frequency variant channel estimator previously proposed. ...
Pierluigi Salvo Rossi, Ralf R. Muller, Ove Edfors
ICRA
1998
IEEE
121views Robotics» more  ICRA 1998»
15 years 4 months ago
Real-Time Estimation of Dominant Motion in Underwater Video Images for Dynamic Positioning
In this paper, we propose a 2D visual motion estimation method which can be exploited to achieve a dynamic positioning (eg. by gaze control) with respect to a sea-bottom area of i...
Fabien Spindler, Patrick Bouthemy