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IWDW
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. In this paper, the security of Dither Modulation Quantization Index Modulation schemes for digital images is analyzed. Both pixel and DCT coefficient quantization schemes...
SIGIR
2003
ACM
14 years 3 months ago
2003
ACM
Usually, a Digital Library (DL) is an information resource where users may submit queries to satisfy their daily information need. The CYCLADES system envisages a DL additionally a...
DATE
2000
IEEE
14 years 2 months ago
2000
IEEE
Clock and data recovery circuits are essential components in communication systems. They directly influence the bit-error-rate performance of communication links. It is desirable...
CVPR
2010
IEEE
14 years 2 months ago
2010
IEEE
In this paper we derive formal constraints relating terrain elevation and observed cast shadows. We show how an optimisation framework can be used to refine surface estimates usin...
DAC
1997
ACM
14 years 2 months ago
1997
ACM
We examine frequency-domain issues in the design and selection of on-chip test generators for built-in self-test (BIST) of highperformance digital filters. Test-generator/circuit...