Hadamard transform

Known as: Walsh transform, Walsh–Hadamard transform, Walsh-Fourier transform 
The Hadamard transform (also known as the Walsh–Hadamard transform, Hadamard–Rademacher–Walsh transform, Walsh transform, or Walsh–Fourier transform… (More)
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Highly Cited
2013
Highly Cited
2013
We propose a fast algorithm for ridge regression when the number of features is much larger than the number of observations (p≫n… (More)
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Highly Cited
2011
Highly Cited
2011
This paper presents an improved analysis of a structured dimension-reduction map called the subsampled randomized Hadamard… (More)
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2009
2009
A new transform known as conjugate symmetric sequency-ordered complex Hadamard transform (CS-SCHT) is presented in this paper… (More)
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Highly Cited
2008
Highly Cited
2008
With the advent of a single-pixel camera, compressive imaging applications have gained wide interests. However, the design of… (More)
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2005
2005
A generalised Hadamard transform for multiphase or multilevel signals is introduced, which includes the Fourier, generalised… (More)
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2001
2001
In this paper a watermarking algorithm for digital images is presented. The method operates in the multi-resolution Hadamard… (More)
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1999
1999
Hadamard transform is an important tool in discrete signal processing. In this paper, we define the discrete fractional Hadamard… (More)
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1988
1988
A four-level Hadamard transform that is more general than the binary Hadamard transform is presented. The transform maintains the… (More)
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Highly Cited
1976
Highly Cited
1976
A unified matrix treatment is presented for the various orderings of the Walsh-Hadamard (WH) functions using a general framework… (More)
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Review
1969
Review
1969
A combination of the Hadamard transform and uniform quantization is investigated. Fundamentai properties of the Hadamard… (More)
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