830 search results - page 43 / 166 » Approximation power of directionlets |
INFOCOM
2005
IEEE
14 years 1 months ago
2005
IEEE
— Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensor network databases like TinyDB [1] are the dominant architectures...
ICIP
1999
IEEE
13 years 12 months ago
1999
IEEE
This paper presents a model for watermarking and some attacks on watermarks. Given the watermarked signal, the so-called Wiener attack performs minimum mean-squared error (MMSE) es...
MICRO
2000
IEEE
13 years 11 months ago
2000
IEEE
Data, addresses, and instructions are compressed by maintaining only significant bytes with two or three extension bits appended to indicate the significant byte positions. This s...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
An information-theoretic analysis of a multi-keyhole channel, which includes a number of statistically independent keyholes with possibly different correlation matrices, is given. ...
ARITH
2005
IEEE
14 years 1 months ago
2005
IEEE
The pipelined CORDIC with linear approximation to rotation has been proposed to achieve reductions in delay, power and area; however, the schemes for rotation (multiplication) and...