Results 1 to 10 of about 1,228 (87)

Fast Linde–Buzo–Gray (FLBG) Algorithm for Image Compression through Rescaling Using Bilinear Interpolation [PDF]

Journal of Imaging
Vector quantization (VQ) is a block coding method that is famous for its high compression ratio and simple encoder and decoder implementation. Linde–Buzo–Gray (LBG) is a renowned technique for VQ that uses a clustering-based approach for finding the ...
Muhammmad Bilal, Zahid Ullah, Omer Mujahid, Tama Fouzder   +3 more
doaj   +4 more sources

Efficient Channel Feedback Scheme for Multi-User MIMO Hybrid Beamforming Systems [PDF]

Sensors, 2021
This paper proposes an efficient channel information feedback scheme to reduce the feedback overhead of multi-user multiple-input multiple-output (MU-MIMO) hybrid beamforming systems.
Won-Seok Lee, Hyoung-Kyu Song
doaj   +2 more sources

Manta Ray Foraging Optimization with Vector Quantization Based Microarray Image Compression Technique.

Comput Intell Neurosci, 2022
DNA microarray technologies enable the analysis of the expression of numerous genes in an individual experiment and become an important approach in the field of medicine and biology for investing genetic function, regulation, and interaction. Microarray images can be investigated well for obtaining the contained genetic data.
A Alkhaldi N, Abdulaziz Abdullah Alsedais R, Halawani HT, Abdelkhalek Aboutaleb SM.   +3 more
europepmc   +2 more sources

On the Initialization of Swarm Intelligence Algorithms for Vector Quantization Codebook Design [PDF]

Sensors
Vector Quantization (VQ) is a technique with a wide range of applications. For example, it can be used for image compression. The codebook design for VQ has great significance in the quality of the quantized signals and can benefit from the use of swarm ...
Verusca Severo, Felipe B. S. Ferreira, Rodrigo Spencer, Arthur Nascimento, Francisco Madeiro   +4 more
doaj   +2 more sources

An Intelligent Power Transformers Diagnostic System Based on Hierarchical Radial Basis Functions Improved by Linde Buzo Gray and Single-Layer Perceptron Algorithms

Energies
Transformers are fundamental and among the most expensive electrical devices in any power transmission and distribution system. Therefore, it is essential to implement powerful maintenance methods to monitor and predict their condition.
Mounia Hendel, Imen Souhila Bousmaha, Fethi Meghnefi, Issouf Fofana, Mostefa Brahami   +4 more
doaj   +2 more sources

Development of the Arabic Voice Pathology Database and Its Evaluation by Using Speech Features and Machine Learning Algorithms. [PDF]

J Healthc Eng, 2017
A voice disorder database is an essential element in doing research on automatic voice disorder detection and classification. Ethnicity affects the voice characteristics of a person, and so it is necessary to develop a database by collecting the voice samples of the targeted ethnic group.
Mesallam TA, Farahat M, Malki KH, Alsulaiman M, Ali Z, Al-Nasheri A, Muhammad G.   +6 more
europepmc   +2 more sources

Fast Codebook Generation Using Pattern Based Masking Algorithm for Image Compression

IEEE Access, 2021
Vector Quantization (VQ) is a classical block coding technique used for image compression which achieves high compression using simple encoding and decoding process.
Muhammad Bilal, Zahid Ullah, Ihtesham Ul Islam   +2 more
doaj   +1 more source

Stochastic Bat Optimization Model for Secured WSN with Energy‐Aware Quantized Indexive Clustering

Journal of Sensors, Volume 2023, Issue 1, 2023., 2023
The wireless sensor networks (WSNs) with dynamic topology communication among the sensor nodes is vulnerable to numerous attacks. As they have limited power, there arises a conflict between the complex security scheme and the consumption of energy which are inversely proportional to each other.
J. Paruvathavardhini, B. Sargunam, Giovanni Diraco   +2 more
wiley   +1 more source

[Retracted] Economic Scheduling Problem of Nanomaterial Import and Export Trade Based on Redundant Data Compression Algorithm and Its Parameter Adjustment Method

Advances in Materials Science and Engineering, Volume 2022, Issue 1, 2022., 2022
In the context of today’s supply‐side structural reform, the research on the relationship between foreign trade and economic growth has received extensive attention from researchers. Since China’s economic reform and opening up in the late 1970s, China’s economy has experienced a relatively long period of rapid growth.
Lihong Lu, Daixin Wang, Haichang Zhang
wiley   +1 more source

Fast vector quantization using a Bat algorithm for image compression

Engineering Science and Technology, an International Journal, 2016
Linde–Buzo–Gray (LBG), a traditional method of vector quantization (VQ) generates a local optimal codebook which results in lower PSNR value. The performance of vector quantization (VQ) depends on the appropriate codebook, so researchers proposed ...
Chiranjeevi Karri, Umaranjan Jena
doaj   +1 more source