[PDF][PDF] Increasing the efficiency of information transmission in communication channels

B Zhurakovskyi, J Boiko, V Druzhynin… - Indonesian Journal of …, 2020 - researchgate.net
This paper discusses compression methods focused on data transmission over
communication channels. The characteristics of different algorithms for different types of …

Spectral variation-based signal compression technique for gapless power quality waveform recording in smart grids

EB Kapisch, VV de Morais, LRM Silva… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The current scenario of electric power systems expansion requires the insertion of new
devices and technologies, contributing to the establishment of smart grids. However, the …

Gapless power-quality disturbance recorder

LRM Silva, EB Kapisch, CHN Martins… - … on power delivery, 2016 - ieeexplore.ieee.org
This paper presents and discusses the concepts of a gapless-power-quality disturbance
recorder (G-PQDR) and a novelty detector. In the G-PQDR, power signals are divided into …

Improving LZW Compression of Unicode Arabic Text Using Multi-Level Encoding and a Variable-Length Phrase Code

EA Jrai, S Alsharari, L Almazaydeh, K Elleithy… - IEEE …, 2023 - ieeexplore.ieee.org
This paper introduces a novel approach to enhance the efficiency of compressing Arabic
Unicode text using the Lempel-Ziv-Welch (LZW) technique. This method includes two …

A high-performance reversible data-hiding scheme for LZW codes

ZH Wang, HR Yang, TF Cheng, CC Chang - Journal of Systems and …, 2013 - Elsevier
Hiding a message in compression codes can reduce transmission costs and simultaneously
make the transmission more secure. In this paper, we propose a high-performance, data …

Modified compression techniques based on optimality of LZW code (MOLZW)

U Nandi, JK Mandal - Procedia Technology, 2013 - Elsevier
A lossless dictionary-based data compression technique has been proposed in this paper
which is the modified form of compression technique based on optimality of LZW code …

Reversible data hiding scheme for LZW codes using even-odd embedding strategy

R Kumar, A Malik, S Singh, B Kumar… - 2016 International …, 2016 - ieeexplore.ieee.org
This paper proposes a reversible data hiding scheme which embeds the secret data into
LZW codes using even odd embedding strategy. It firstly compresses the cover media using …

An implementation of a power system smart waveform recorder using FPGA and ARM cores

EB Kapisch, LRM Silva, CHN Martins, AS Barbosa… - Measurement, 2016 - Elsevier
In this paper, the design and the prototype implementation of a Power Quality (PQ)
disturbance detector and compressor are described. This instrument, named Power System …

Fractal image compression with adaptive quadtree partitioning and non-linear affine map

U Nandi - Multimedia Tools and Applications, 2020 - Springer
Fractal image compression techniques are now very popular for its high compression rates
and resolution independence property. However, the qualities of decoded images of the …

An adaptive fractal-based image coding with hierarchical classification strategy and its modifications

U Nandi - Innovations in Systems and Software Engineering, 2019 - Springer
Fractal-based image coding is one of the efficient methods for grayscale image since the
reconstructed images are resolution independent and also has low reconstruction time. This …