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Ehsan Akhtarkavan

dblp:68/10793 · DBLP profile ↗
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3ranked-venue papers
3as first author
0since 2021 · last 2020
0000-0003-2468-8359ORCID · verified

Domains — the database's venue-derived domains; a paper can count in several

Graphics, computer vision, multimedia, augmented reality and games · 3 · 3 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer graphics and multimedia
1 paper
Image and video coding · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Image and video coding
image compression
0.112012
Multiple Descriptions Coinciding Lattice Vector Quantizer for Wavelet Image Coding · IEEE Trans. Image Process. 2012
Image and video coding
multiple description coding
0.112012
Multiple Descriptions Coinciding Lattice Vector Quantizer for Wavelet Image Coding · IEEE Trans. Image Process. 2012
Image and video coding › image compression
wavelet-based image coding
0.112012
Multiple Descriptions Coinciding Lattice Vector Quantizer for Wavelet Image Coding · IEEE Trans. Image Process. 2012

Methods — techniques the papers use, named apart from their topics

lattice vector quantization · 0.1labeling algorithm · 0.1hexagonal sublattice design · 0.1
YearPublicationVenuePosition
2020 Fragile high capacity data hiding in digital images using integer-to-integer DWT and lattice vector quantization
Ehsan Akhtarkavan, Babak Majidi, Mohd Fadzli Mohd Salleh, Jagdish C. Patra
Multim. Tools Appl.1
2019 Secure communication and archiving of low altitude remote sensing data using high capacity fragile data hiding
Ehsan Akhtarkavan, Babak Majidi, Mohammad T. Manzuri Shalmani
Multim. Tools Appl.1
2012 Multiple Descriptions Coinciding Lattice Vector Quantizer for Wavelet Image Coding
abstract
Multiple description (MD) coding has been a popular choice for robust data transmission over the unreliable network channels. Lattice vector quantization provides lower computation for efficient data compression. In this paper, a new MD coinciding lattice vector quantizer (MDCLVQ) is presented. The design of the quantizer is based on coinciding 2-D hexagonal sublattices. The coinciding sublattices are geometrically similar sublattices, with the same index but generated by different generator matrices. A novel labeling algorithm based on the hexagonal coinciding sublattices is also developed. Performance results of the MDCLVQ scheme, together with the new labeling algorithm applied to standard test images, show improvements of the central and side decoders, as compared with the renowned techniques for several test images.
Ehsan Akhtarkavan, Mohd Fadzli Mohd Salleh
IEEE Trans. Image Process.1