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Highly Cited

2011

Highly Cited

2011

The discrete cosine transform (DCT), introduced by Ahmed, Natarajan and Rao, has been used in many applications of digital signal… Expand

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Highly Cited

2004

Highly Cited

2004

An accurate and robust face recognition system was developed and tested. This system exploits the feature extraction capabilities… Expand

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Highly Cited

1999

Highly Cited

1999

Each discrete cosine transform (DCT) uses $N$ real basis vectors whose components are cosines. In the DCT-4, for example, the $j… Expand

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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… Expand

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Highly Cited

1992

Highly Cited

1992

Several fast algorithms for computing discrete cosine transforms (DCTs) and their inverses on multidimensional inputs of sizes… Expand

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Highly Cited

1990

Highly Cited

1990

Discrete Cosine Transform. Definitions and General Properties. DCT and Its Relations to the Karhunen-Loeve Transform. Fast… Expand

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Highly Cited

1987

Highly Cited

1987

The discrete cosine transform (DCT) is widely applied in various fields, including image data compression, because it operates… Expand

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Highly Cited

1984

Highly Cited

1984

A new algorithm is introduced for the 2m-point discrete cosine transform. This algorithm reduces the number of multiplications to… Expand

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Highly Cited

1977

Highly Cited

1977

A Fast Discrete Cosine Transform algorithm has been developed which provides a factor of six improvement in computational… Expand

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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… Expand

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