Hyperspectral image compression : adapting SPIHT and EZW to Anisotropic 3-D Wavelet Coding [PDF]
, 2008 Hyperspectral images present some specific characteristics that should be used by an efficient compression system. In compression, wavelets have shown a good adaptability to a wide range of data, while being of reasonable complexity.
Christophe, Emmanuel +2 more
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Models of Computer Calculations
Кібернетика та комп'ютерні технології, 2022 Introduction. The complexity of computational algorithms for solving typical problems of computational, applied, and discrete mathematics is analyzed from the perspective of the theory of computation, depending on the computer architecture and the used ...
Valerii Zadiraka +2 more
doaj +1 more source
Fifty years of scheduling: a survey of milestones [PDF]
, 2009 Scheduling has become a major field within operational research with several hundred publications appearing each year. This paper explores the historical development of the subject since the mid 1950s when the landmark publications started to appear.
Strusevich, Vitaly A. +5 more
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Improved Massive MIMO RZF Precoding Algorithm Based on Truncated Kapteyn Series Expansion
Information, 2019 In order to reduce the computational complexity of the inverse matrix in the regularized zero-forcing (RZF) precoding algorithm, this paper expands and approximates the inverse matrix based on the truncated Kapteyn series expansion and the corresponding ...
Xiaomei Xue +6 more
doaj +1 more source
A low-complexity ECG feature extraction algorithm for mobile healthcare applications [PDF]
, 2013 This paper introduces a low-complexity algorithm for the extraction of the fiducial points from the Electrocardiogram (ECG). The application area we consider is that of remote cardiovascular monitoring, where continuous sensing and processing takes place
Mazomenos, E B +16 more
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Low Complexity Decoding Algorithms for Rate Compatible Modulation
IEEE Access, 2018 Rate compatible modulation (RCM) has high spectrum efficiency and achieves seamless and blind rate adaptation in wide range of channel conditions. However, due to many convolution operations at symbol nodes, the belief propagation decoding algorithm of ...
Fang Lu +3 more
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Low Complexity Equalization of Orthogonal Chirp Division Multiplexing in Doubly-Selective Channels
Sensors, 2020 Orthogonal Chirp Division Multiplexing (OCDM) is a modulation scheme which outperforms the conventional Orthogonal Frequency Division Multiplexing (OFDM) under frequency selective channels by using chirp subcarriers.
Xin Wang, Zhe Jiang, Xiao-Hong Shen
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Finding groups in data: Cluster analysis with ants [PDF]
, 2009 Wepresent in this paper a modification of Lumer and Faieta’s algorithm for data clustering. This approach mimics the clustering behavior observed in real ant colonies.
Urszula Boryczka +2 more
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Secure Resource Allocation for Cooperative OFDMA System With Untrusted AF Relaying
IEEE Access, 2021 In this paper, we consider a cooperative orthogonal frequency division multiple access (OFDMA) system, where a source communicates with multiple users with the help of an untrusted relay.
Yifeng Jin +4 more
doaj +1 more source
A class of reduced-complexity hybrid precoding algorithms for MU-MISO OFDM transmission
, 2021 In downstream spatial multiplexing involving multicarrier modulation using a hybrid precoder, several trade-offs have to be made with respect to the hardware complexity of the analog part of the precoder, the computational complexity of the precoders ...
Noels, Nele +2 more
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