Results 21 to 30 of about 28,283 (177)

Ontology-Driven Data Cleaning Towards Lossless Data Compression

open access: yes, 2022
With the available data in healthcare, healthcare organizations and practitioners require interoperable, efficient, and non-time-consuming data exchange. Currently, several cases aim to the exchanged data security, without considering the complexity of the data to be exchanged.
Kiourtis, Athanasios   +3 more
openaire   +2 more sources

On Predictive-Based Lossless Compression of Images with Higher Bit Depths [PDF]

open access: yesTelfor Journal, 2012
Due to the rapidly increasing requirements for data transmission and storage, applications for fast and efficient compression of data have a very important role. Lossless compression must be applied when data acquisition is expensive.
A. Avramović, G. Banjac
doaj  

A Review of Classical Lossless Data Compression Algorithmsand Their Contemporary Relevance [PDF]

open access: yesBiuletyn Wojskowej Akademii Technicznej
Compression is data processing aimed at reducing the amount of information (e.g., for archiving and transfer). There is lossyand lossless compression. Compression algorithms can be either general-purpose or designed for specific types of data (e.g., for ...
Dominik Maciej Matusiak
doaj   +1 more source

Stream-Based Visually Lossless Data Compression Applying Variable Bit-Length ADPCM Encoding

open access: yesSensors, 2021
Video applications have become one of the major services in the engineering field, which are implemented by server–client systems connected via the Internet, broadcasting services for mobile devices such as smartphones and surveillance cameras for ...
Shinichi Yamagiwa, Yuma Ichinomiya
doaj   +1 more source

Lossless Compression Using the Ramanujan Sums: Application to Hologram Compression

open access: yesIEEE Access, 2020
The Ramanujan sum, introduced by S. Ramanujan, has been utilized-among other applications-for signal processing. It has recently been suggested that transforms using the Ramanujan sums may also provide the benefit of data compression. This study presents
Harutaka Shiomi   +3 more
doaj   +1 more source

The compression–error trade-off for large gridded data sets [PDF]

open access: yesGeoscientific Model Development, 2017
The netCDF-4 format is widely used for large gridded scientific data sets and includes several compression methods: lossy linear scaling and the non-lossy deflate and shuffle algorithms.
J. D. Silver, C. S. Zender
doaj   +1 more source

A New Perspective on Improving the Lossless Compression Efficiency for Initially Acquired Images

open access: yesIEEE Access, 2019
A new lossless compression scheme of compressing the initially-acquired continuous-intensity images with a lossy compression algorithm to obtain higher compression efficiency is proposed. Even if a lossy algorithm is employed, for decoded original images,
Jianyu Lin
doaj   +1 more source

Dynamic Visual Communication Image Framing of Graphic Design in a Virtual Reality Environment

open access: yesIEEE Access, 2020
This paper explores dynamic visual communication image framing for graphic design based on virtual reality algorithms; it defines corresponding feature representations by delineating layers of pixels, elements, relationships, planes, and applications ...
Zhiyong Tian
doaj   +1 more source

Planar model system and heterogeneous catalysis [PDF]

open access: yes, 2012
Vehicles with sensors produce large amounts of data. Transmission of data is connectedwith costs. By using data compression, less data has to be transmitted, reducing priceof operation.
Berkó, András   +2 more
core   +1 more source

Stream-Based Lossless Data Compression [PDF]

open access: yes, 2021
AbstractIn this chapter, we introduce aspects of applying data-compression techniques. First, we study the background of recent communication data paths. The focus of this chapter is a fast lossless data-compression mechanism that handles data streams completely.
openaire   +1 more source

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