GitHub

discrete-cosine-transform

Zafar's Audio Functions in Python for audio signal analysis: STFT, inverse STFT, mel filterbank, mel spectrogram, MFCC, CQT kernel, CQT spectrogram, CQT chromagram, DCT, DST, MDCT, inverse MDCT. Zafar ...
IEEE

Discrete Cosine Transform

Abstract: A discrete cosine transform (DCT) is defined and an algorithm to compute it using the fast Fourier transform is developed. It is shown that the discrete cosine transform can be used in the ...
Scientific Research Publishing

H. Malvar, “Fast Computation of the Discrete Cosine Transform and the Discrete Hartley Transform,” IEEE Transactions on Acoustics, Speech, Signal Processing, Vol. 35, No ...

ABSTRACT: Hilbert transform (HT) is an important tool in constructing analytic signals for various purposes, such as envelope and instantaneous frequency analysis, amplitude modulation, shift ...
GitHub

yusraahmed09/BEE12-B-Lossless-image-compression-using-discrete-cosine-transform---Yusra-Ahmed

Yusra Ahmed - 341836 Rakhmeen Gul - 344190 Maryam Shafiq - 352203 Image compression is a crucial technique that reduces the storage space required for images without compromising their visual quality.
IEEE

Generalized Discrete Cosine Transform

Abstract: The discrete cosine transform (DCT), introduced by Ahmed, Natarajan and Rao, has been used in many applications of digital signal processing, data compression and information hiding. There ...
Scientific Research Publishing

V. Britanak, P. Yip and K. R. Rao, Discrete Cosine and Sine Transforms: General Properties, Fast Algorithms and Integer Approximations, Academic Press Inc., Elsevier Science ...

ABSTRACT: Hilbert transform (HT) is an important tool in constructing analytic signals for various purposes, such as envelope and instantaneous frequency analysis, amplitude modulation, shift ...