Results 51 to 60 of about 584 (135)

Notes on Lattice-Based Cryptography [PDF]

open access: yes, 2022
Asymmetrisk kryptering er avhengig av antakelsen om at noen beregningsproblemer er vanskelige å løse. I 1994 viste Peter Shor at de to mest brukte beregningsproblemene, nemlig det diskrete logaritmeproblemet og primtallsfaktorisering, ikke lenger er ...
Budroni, Alessandro
core  

Spread Spectrum OFDM-IM With Efficient Precoded Matrix and Low Complexity Detector

open access: yesIEEE Access
This paper introduces a novel scheme that employs efficient precoded matrices for index modulation orthogonal frequency division multiplexing namely (EP-OFDM-IM).
Ahmed Waheed, Somayeh Mohammady
doaj   +1 more source

Registration of Brain Images using Fast Walsh Hadamard Transform

open access: yes, 2010
A lot of image registration techniques have been developed with great significance for data analysis in medicine, astrophotography, satellite imaging and few other areas.
Neelaveni, R., Sasikala, D.
core   +1 more source

Boletín oficial de la provincia de León: Num. 33 (15/06/1921) [PDF]

open access: yes, 1921
Copia digital. Valladolid : Junta de Castilla y León.
León (Provincia). Diputación Provincial
core   +1 more source

The 5C 6 and 5C 7 surveys of radio sources [PDF]

open access: yes, 1978
5C 6 and 5C 7 continue the series of deep surveys made at 408 and 1407 MHz with the One-Mile telescope at Cambridge. They were intended (1) to provide a sample of faint radio sources suitable for further study; (2) to improve the statistics of source ...
Kus, A. J., Pearson, T. J.
core  

Bi-directional communication interface for microprocessor-to-system/370 [PDF]

open access: yes
The design and operation of a bi-directional communication interface between a microcomputer and the IBM System/370 is documented. The hardware unit interconnects a modem to interface to the S/370, the microcomputer with an EIA I/O port, and a terminal ...
Fischer, J. P.
core   +1 more source

Enhancing dysarthria speech feature representation with empirical mode decomposition and Walsh-Hadamard transform

open access: yes, 2023
Dysarthria speech contains the pathological characteristics of vocal tract and vocal fold, but so far, they have not yet been included in traditional acoustic feature sets. Moreover, the nonlinearity and non-stationarity of speech have been ignored.
Dingam, Camille   +4 more
core  

Efficient novel network and index for alcoholism detection from EEGs. [PDF]

open access: yesHealth Inf Sci Syst, 2023
Sadiq MT   +4 more
europepmc   +1 more source

Emotion recognition using facial feature extraction [PDF]

open access: yes, 2019
Computerized emotion recognition systems can be powerful tools to help solve problems in a wide range of fields including education, healthcare, and marketing. Existing systems use digital images or live video to track facial expressions on a person\u27s
Smirnov, Demiyan
core   +1 more source

Experimental Study of Ghost Imaging in Underwater Environment. [PDF]

open access: yesSensors (Basel), 2022
Wu H, Chen Z, He C, Cheng L, Luo S.
europepmc   +1 more source

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