Discrete cosine transform

Known as: ICT, Inverse cosine transform, Fast cosine transform 
A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different… (More)
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Highly Cited
2005
Highly Cited
2005
In this paper, a local appearance based face recognition algorithm is proposed. In the proposed algorithm local information is… (More)
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Highly Cited
2001
Highly Cited
2001
An accurate and robust face recognition system was developed and tested. This system exploits the feature extraction capabilities… (More)
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Highly Cited
1997
Highly Cited
1997
An efficient method for computing the discrete cosine transform (DCT) is proposed. Based on direct decomposition of the DCT, the… (More)
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Highly Cited
1994
Highly Cited
1994
The discrete cosine transform (DCT) is a technique for converting a signal into elementary frequency components. It is widely… (More)
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1994
1994
A new fast pruning algorithm is proposed for computing the IV, lowest frequency components of a Iength-~V discrete cosine… (More)
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1993
1993
This note presents two new fast discrete cosine transform computation algorithms: a radix-3 and a radix-6 algorithm. These two… (More)
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Highly Cited
1992
Highly Cited
1992
We introduce several fast algorithms for computing discrete cosine transforms (DCT’s) and their inverses on multidimensional… (More)
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Highly Cited
1987
Highly Cited
1987
  • Hsieh S. Hou
  • IEEE Trans. Acoustics, Speech, and Signal…
  • 1987
The discrete cosine transform (DCT) is widely applied in various fields, including image data compression, because it operates… (More)
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Highly Cited
1977
Highly Cited
1977
After his military service he joined N. V. Philips' Gloeilampenfabrieken, Eindhoven, where he worked in the fields of electronic… (More)
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Highly Cited
1974
Highly Cited
1974
A discrete cosine transform (DCT) is defined and an algorithm to compute it using the fast Fourier transform is developed. It is… (More)
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