Browsing George R. Brown School of Engineering by Author "Selesnick, Ivan W."
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Automatic Generation of Prime Length FFT Programs
Selesnick, Ivan W.; Burrus, C. Sidney (19960101)We describe a set of programs for circular convolution and prime length FFTs that are short, possess great structure, share many computational procedures, and cover a large variety of lengths. The programs make clear the ... 
Complex Wavelet Transforms with Allpass Filters
Fernandes, Felix; Selesnick, Ivan W.; van Spaendonck, Rutger; Burrus, C. Sidney (20030820)Complex discrete wavelet transforms have significant advantages over real wavelet transforms for certain signal processing problems. Two approaches to the implementation of complex wavelet transforms have been proposed ... 
Constrained FIR Filter Design for 2band Filter Banks and Orthonormal Wavelets
Markus, Lang; Selesnick, Ivan W.; Odegard, Jan E.; Burrus, C. Sidney (19941020)2band paraunitary FIR filter banks can be used to generate a multiresolution analysis with compactly supported orthonormal (ON) wavelets. The filter design problem is formulated and solved (a) as a constrained L<sub>Â â ... 
Constrained Least Square Design of FIR Filters Without Specified Transition Bands
Selesnick, Ivan W.; Lang, Markus; Burrus, C. Sidney (19950115)We consider the design of digital filters and discuss the inclusion of explicitly specified transition bands in the frequency domain design of FIR filters. We put forth the notion that explicitly specified transition bands ... 
Constrained Least Square Design of FIR Filters Without Specified Transition Bands
Selesnick, Ivan W.; Lang, Markus; Burrus, C. Sidney (19960115)We consider the design of digital filters and discuss the inclusion of explicitly specified transition bands in the frequency domain design of FIR filters. We put forth the notion that explicitly specified transition bands ... 
The DualTree Complex Wavelet Transform
Selesnick, Ivan W.; Baraniuk, Richard G.; Kingsbury, Nicholas G. (20051101)The paper discusses the theory behind the dualtree transform, shows how complex wavelets with good properties can be designed, and illustrates a range of applications in signal and image processing. The authors use the ... 
Exchange Algorithms that Complement the ParksMcClellan Algorithm for Linear Phase FIR Filter Design
Selesnick, Ivan W.; Burrus, C. Sidney (19970201)This paper describes an exchange algorithm for the frequency domain design of linear phase FIR equiripple filters where the Chebyshev error in each band is specified. The algorithm is a hybrid of the algorithm of Hofstetter, ... 
Extending Winograd's Small Convolution Algorithm to Longer Lengths
Selesnick, Ivan W.; Burrus, C. Sidney (19940115)For short data sequences, Winograd's convolution algorithms attaining the minimum number of multiplications also attain a low number of additions, making them very efficient. However, for longer lengths they require a ... 
Generalized Digital Butterworth Filter Design
Selesnick, Ivan W.; Burrus, C. Sidney (19960115)This paper presents a formulabased method for the design of IIR filters having more zeros than (nontrivial) poles. The filters are designed so that their square magnitude frequency responses are maximallyflat at <i>m</i> ... 
Generalized Digital Butterworth Filter Design
Selesnick, Ivan W.; Burrus, C. Sidney (19950115)This paper presents a formulabased method for the design of IIR filters having more zeros than (nontrivial) poles. The filters are designed so that their square magnitude frequency responses are maximallyflat at <i>m</i> ... 
Magnitude Squared Design of Recursive Filters with the Chebyshev Norm Using a Constrained Rational Remez Algorithm
Selesnick, Ivan W.; Lang, Markus; Burrus, C. Sidney (19941001)We describe a Remez type exchange algorithm for the design of stable recursive filters for which the Chebyschev norm of H(w)  F(w) is minimized, where H(w) and F(w) are the realized and desired magnitude squared frequency ... 
Magnitude Squared Design of Recursive Filters with the Chebyshev Norm Using a Constrained Rational Remez Algorithm
Selesnick, Ivan W.; Lang, Markus; Burrus, C. Sidney (19940501)We describe a Remez type exchange algorithm for the design of stable recursive filters for which the Chebyschev norm of H(w)  F(w) is minimized, where H(w) and F(w) are the realized and desired magnitude squared frequency ... 
NonlinearPhase MaximallyFlat FIR Filter Deisgn
Selesnick, Ivan W.; Burrus, C. Sidney (19960920)This paper reports a new analytic technique for the design of nonlinearphase maximallyflat lowpass FIR filters. By subjecting the response magnitude and the group delay (individually) to differing numbers of flatness ... 
Wavelet Based Speckle Reduction with Applications to SAR based ATD/R
Guo, Haitao; Odegard, Jan E.; Lang, Markus; Gopinath, Ramesh A.; Selesnick, Ivan W.; Burrus, C. Sidney (19941120)This paper introduces a novel speckle reduction method based on thresholding the wavelet coefficients of the logarithmically transformed image. The method is computational efficient and can sinificantly reduce the speckle ...