Results 151 to 160 of about 10,977 (213)

FSCA-EUNet: Lightweight Classification of Stacked Jasmine Bloom-Stages via Frequency-Spatial Cross-Attention for Industrial Scenting Automation. [PDF]

Foods
Chen Z, Tian Z, Zhang H, Zhang X, Zhu X, Dong C.   +5 more
europepmc   +1 more source

An Effective and Fast Model for Characterization of Cardiac Arrhythmia and Congestive Heart Failure. [PDF]

Diagnostics (Basel)
Lahmiri S, Bekiros S.
europepmc   +1 more source

EFIMD-Net: Enhanced Feature Interaction and Multi-Domain Fusion Deep Forgery Detection Network. [PDF]

J Imaging
Cheng H, Pang W, Li K, Wei Y, Song Y, Chen J.   +5 more
europepmc   +1 more source

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Discrete Cosine Transform

IEEE Transactions on Computers, 1974
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 area of digital processing for the purposes of pattern recognition and Wiener filtering.
Ahmed, N., Natarajan, T., Rao, K. R.
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Discrete cosine transform filtering

Signal Processing, 1990
Circular convolution-multiplication relationships for the discrete cosine transform (DCT) that are similar to those for the discrete Fourier transform (DFT) are developed. The relations are valid if the filter frequency response is real and even. Two fairly simple relations are developed.
B. Chitprasert, K.R. Rao
openaire   +1 more source

Running discrete cosine transform

Journal of Biomedical Engineering, 1992
The discrete cosine transform (DCT) has become an important tool in digital signal processing because its performance is close to the optimal Karhunen-Loeve transform. In this work the running discrete cosine transform (RDCT) is introduced. Using the properties of the discrete Fourier transform kernel W = exp (-2 pi j/N), a fast recursive algorithm was
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Adaptive discrete cosine transform

Conference Record of The Twenty-Ninth Asilomar Conference on Signals, Systems and Computers, 2002
The theory and performance of the adaptive discrete cosine transform filter is examined. The discrete cosine transform filter is a realization of an FIR filter as the cascade of an all-zero FIR filter with a bank of IIR digital resonators. Each bank has a single magnitude and a single phase. The result of such a realization is that each coefficient can
S.J. Bukowinski, L. Gerhardt, M. Fargues, G. Coutu   +3 more
openaire   +1 more source