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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… 
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Papers overview

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2008
2008
Image compression is the application of data compression on digital images. Image compression can be lossy or lossless. In this… 
2007
2007
This paper proposes a novel fingerprint enhancement algorithm based on contextual filtering in DCT domain. All intrinsic… 
2005
2005
We derive conditions on the impulse response and input signal of a frequency-selective FIR channel to be diagonalized by the DCT… 
2000
2000
Modification to the architecture-oriented fast algorithm for discrete cosine transform of type II from Astola and Akopian (see… 
2000
2000
The Discrete Cosine and Inverse Discrete Cosine Transforms are widely used tools in many digital signal and image processing… 
1998
1998
  • K. KomatsuK. Sezaki
  • 1998
  • Corpus ID: 17045923
In this paper a reversible discrete cosine transform (RDCT) is presented. The N-point reversible transform is firstly presented… 
Highly Cited
1991
Highly Cited
1991
A linear systolic array for the discrete cosine transform, discrete sine transform, and their inverses is developed. It generates… 
Highly Cited
1990
Highly Cited
1990
Circular convolution-multiplication relationships for the discrete cosine transform (DCT) that are similar to those for the… 
Highly Cited
1987
Highly Cited
1987
A new factorization of the discrete Hartley transform (DHT) is presented. It is used to derive new algorithms for the DHT and the… 
1975
1975
In the above correspondence,1 Ahmed et al. proposed a discrete cosine transform (DCT) and compared its performance with the…