Results 21 to 30 of about 619,850 (264)

Parameterized Codes over Cycles

Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2013
In this paper we will compute the main parameters of the parameterized codes arising from cycles. In the case of odd cycles the corresponding codes are the evaluation codes associated to the projective torus and the results are well known. In the case of
González Sarabia Manuel, Nava Lara Joel, Rentería Marquez Carlos, Sarmíento Rosales Eliseo   +3 more
doaj   +1 more source

Design and Analysis of Punctured Terminated Spatially Coupled Protograph LDPC Codes With Small Coupling Lengths

IEEE Access, 2018
Spatially coupled protograph (SC-P) low-density parity-check codes can achieve excellent performance and simple implementation when the coupling length is sufficiently large. However, in the case of small coupling lengths, terminated SC-P (TE-SC-P) codes
Zhaojie Yang, Yi Fang, Guojun Han, Guofa Cai, Francis C. M. Lau   +4 more
doaj   +1 more source

A Minimum Distance Inlier Probability (MDIP) Feature Selection Method to Improve Gas Classification for Electronic Nose Systems

IEEE Access, 2020
For electronic nose systems to obtain meaningful information from sensor data, sensor response features are first extracted for further signal processing. However, redundant features may diminish the accuracy of gas classification. To solve this problem,
Yen-Tung Liu, Kea-Tiong Tang
doaj   +1 more source

Delta-Adjust: Minimum Distance Interpolation

IEEE Access
We present Delta-Adjust, a novel interpolation method that extends local neighborhood interpolation techniques by introducing per-feature neighbor selection and feature-vector difference bias adjustment.
Ziad F. Doughan, Sari S. Itani
doaj   +1 more source

Optimized Construction of Protograph G-LDPC Codes by Modified EXIT Chart and MACE for New-Generation Wireless Communications

IEEE Access, 2018
In this paper, a new systematic construction of optimized protograph generalized low-density parity-check codes with good decoding threshold and low error floor is proposed.
Jianrong Bao, Bin Jiang, Chao Liu
doaj   +1 more source

Evaluation of LULC Use Classification for the Municipality of Deva, Hunedoara County, Romania Using Sentinel 2A Multispectral Satellite Imagery—A Comparative Study of GIS Software Analysis and Accuracy Assessment

Applied Sciences
The degree of urbanization and the uncontrolled expansion of the built environment play a defining role in shaping contemporary society, contributing significantly to abrupt temperature fluctuations and a declining quality of life.
Oana Mihaela Bîscoveanu, Gheorghe Badea, Petre Iuliu Dragomir, Ana Cornelia Badea   +3 more
doaj   +1 more source

Unsupervised Ensemble Hashing: Boosting Minimum Hamming Distance

IEEE Access, 2020
Hashing aims at learning discriminative binary codes of high-dimensional data for the approximate nearest neighbor searching. However, the distance ranking obtained by traditional methods is not optimum in the Hamming space, and it degrades the ...
Yufei Zha, Zhuling Qiu, Peng Zhang, Wei Huang   +3 more
doaj   +1 more source

On Minimum Generalized Degree Distance Index of Cyclic Graphs

International Journal of Mathematics and Mathematical Sciences, 2023
Topological index (TI) is a mapping that associates a real number to the under study (molecular) graph which predicts its various physical and chemical properties.
Nadia Khan, M. Javaid, M. K. Aslam, Mamo Abebe Ashebo   +3 more
doaj   +1 more source

Reversible Self-Dual Codes over Finite Field

Cauchy: Jurnal Matematika Murni dan Aplikasi
Reversible self-dual code is a linear code which combine the properties from self-dual code and reversible code. Previous research shows that reversible self-dual codes have only been developed over field of order 2 and order 4.
Ardi Nur Hidayat, Vira Hari Krisnawati, Abdul Rouf Alghofari   +2 more
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Projective parameterized linear codes

Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2015
In this paper we estimate the main parameters of some evaluation codes which are known as projective parameterized codes. We find the length of these codes and we give a formula for the dimension in terms of the Hilbert function associated to two ideals,
González Sarabia Manuel, Rentería Márquez Carlos, Sarmiento Rosales Eliseo   +2 more
doaj   +1 more source