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AAAI
1990
13 years 5 months ago
Generalized Shape Autocorrelation
This paper presents an efficient and homogeneous paradigm for automatic acquisition and recognition of nonparametric shapes. Acquisition time varies from linear to cubic in the nu...
Andrea Califano, Rakesh Mohan
SIGPRO
2008
89views more  SIGPRO 2008»
13 years 4 months ago
Two-stage autocorrelation approach for accurate single sinusoidal frequency estimation
A two-stage autocorrelation approach is proposed for single-tone frequency estimation of a real sinusoid in white noise. In the first stage, we transform the received data to anot...
Kenneth Wing-Kin Lui, Hing-Cheung So
TIT
1998
127views more  TIT 1998»
13 years 4 months ago
Autocorrelation Values of Generalized Cyclotomic Sequences of Order Two
—The generalized cyclotomic sequence of order two has several good randomness properties and behaves like the Legendre sequence in several aspects. In this correspondence we calc...
Cunsheng Ding
TIT
2002
81views more  TIT 2002»
13 years 4 months ago
New nonbinary sequences with ideal two-level autocorrelation
Abstract--We find new families of nonbinary sequences of period 1 with symbols from a finite field for any prime 3. The sequences have two-level ideal autocorrelation and are gener...
Tor Helleseth, Guang Gong
TKDE
2008
110views more  TKDE 2008»
13 years 4 months ago
Random Walks to Identify Anomalous Free-Form Spatial Scan Windows
Often, it is required to identify anomalous windows over a spatial region that reflect unusual rate of occurrence of a specific event of interest. A spatial scan statistic-based ap...
Vandana Pursnani Janeja, Vijayalakshmi Atluri