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ICIP
2009
IEEE
15 years 4 months ago
Improved watermark detection robust to camcorder capture based on quadrangle estimation
In this paper, we propose a blind watermark detection scheme which is robust against composite geometric distortions. The composite geometric distortions mean that an image or a v...
Min-Jeong Lee, Kyung-Su Kim, Young-Ho Suh, Heung-K...
ICASSP
2011
IEEE
14 years 10 months ago
Improved model-based spectral compressive sensing via nested least squares
This paper introduces a new algorithm for reconstructing signals with sparse spectrums from noisy compressive measurements. The proposed model-based algorithm takes the signal str...
Mahdi Shaghaghi, Sergiy A. Vorobyov
FPGA
1997
ACM
149views FPGA» more  FPGA 1997»
15 years 10 months ago
Signal Processing at 250 MHz Using High-Performance FPGA's
This paper describes an application in high-performance signal processing using reconfigurable computing engines: a 250 MHz cross-correlator for radio astronomy. Experimental resu...
Brian Von Herzen
SIGOPS
2002
74views more  SIGOPS 2002»
15 years 6 months ago
Comments on "transparent user-level process checkpoint and restore for migration" by Bozyigit and Wasiq
The simple checkpointing and migration system for UNIX processes as described in the article of Bozyigit and Wasiq [1] can be improved in two ways: First by a technique to checkpo...
Felix Rauch, Thomas Stricker
AVSS
2008
IEEE
15 years 8 months ago
Evaluation of Background Subtraction Algorithms with Post-Processing
Processing a video stream to segment foreground objects from the background is a critical first step in many computer vision applications. Background subtraction (BGS) is a common...
Donovan H. Parks, Sidney Fels