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Mixed-radix discrete cosine transform

IEEE Transactions on Signal Processing, 1993
Presents two new fast discrete cosine transform computation algorithms: a radix-3 and a radix-6 algorithm. These two new algorithms are superior to the conventional radix-3 algorithm as they (i) require less computational complexity in terms of the number of multiplications per point, (ii) provide a wider choice of the sequence length for which the DCT
Chan, YH, Siu, WC
openaire   +2 more sources

Fast radix-p discrete cosine transform

Applicable Algebra in Engineering, Communication and Computing, 1992
A fast algorithm of the discrete cosine transform (DCT) of radix-\(p\) and its inverse are presented. Their architecture comprises the divide-and- conquer operations and the arithmetic with Chebyshev polynomials. This algorithm is efficient in DCTs of arbitrary transform length and applicable for discrete Vandermonde transforms.
openaire   +1 more source

Discrete cosine transform domain image resizing using correlation of discrete cosine transform coefficients

Journal of Electronic Imaging, 2006
With the wide use of digital multimedia equipment, exchange of image data has become prevalent. Images and video data are exchanged through personal computers, mobile phones, and personal digital assistants (PDAs). Since the resolutions of each image display are different, it is necessary to change the image size accordingly.
openaire   +1 more source

Hopping discrete cosine transform

Applications of Digital Image Processing XLVI, 2023
Vitaly Kober   +2 more
openaire   +1 more source

Advances in Sine Cosine Algorithm: A comprehensive survey

Artificial Intelligence Review, 2021
Laith Mohammad Abualigah, Ali H Diabat
exaly  

A comprehensive survey of sine cosine algorithm: variants and applications

Artificial Intelligence Review, 2021
Yassine Meraihi, Seyedali Mirjalili
exaly  

Extended Discrete Cosine Transform

2021
S. Praveenkumar   +3 more
openaire   +1 more source

An efficient hybrid sine-cosine Harris hawks optimization for low and high-dimensional feature selection

Expert Systems With Applications, 2021
Kashif Hussain   +2 more
exaly  

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