Thesis Details

Srovnání moderních formátů pro ztrátovou kompresi obrazu

Bachelor's Thesis Student: Kalabza Marek Academic Year: 2018/2019 Supervisor: Bařina David, Ing., Ph.D.
English title
Comparison of Modern Lossy Image Compression Formats
Language
Czech
Abstract

This thesis compares modern compression methods of digital images on given datasets in terms of quality. First part describes the principle of lossy compression and then compression of JPEG, Lepton, JPEG 2000, JPEG XR, WebP, BPG, HEIF, H.265 intra frame, H.264 intra frame and AV1. Second part focuses on testing, comparison of results and evaluation. It also describes quality metrics (PSNR, PSNR-YUV, SSIM), deals with possible artefacts created during compression and points out the behavior of formats after data corruption. Based on testing and measurement, it was found that the best compression format from the tested lossy image formats is the AV1 format, specifically on the high resolution dataset, the scanned document dataset, and the map dataset.

Keywords

lossy image compression, JPEG, JPEG 2000, Lepton, JPEG XR, WebP, BPG, HEIF, H.265 intra frame, H.264 intra frame, AV1, Huffman coding, Arithmetic coding, artifacts, PSNR, PSNR-YUV, SSIM, data corruption

Department
Department of Computer Graphics and Multimedia FIT BUT
Degree Programme
Information Technology
Files
Status
defended, grade D
Date
12 June 2019
Reviewer
Klíma Ondřej, Ing., Ph.D.
Committee
Čadík Martin, doc. Ing., Ph.D. (DCGM FIT BUT), předseda
Bartík Vladimír, Ing., Ph.D. (DIFS FIT BUT), člen
Bařina David, Ing., Ph.D. (DCGM FIT BUT), člen
Jaroš Jiří, doc. Ing., Ph.D. (DCSY FIT BUT), člen
Kočí Radek, Ing., Ph.D. (DITS FIT BUT), člen
Citation
KALABZA, Marek. Srovnání moderních formátů pro ztrátovou kompresi obrazu. Brno, 2019. Bachelor's Thesis. Brno University of Technology, Faculty of Information Technology. 2019-06-12. Supervised by Bařina David. Available from: https://www.fit.vut.cz/study/thesis/21605/
BibTeX 
@bachelorsthesis{FITBT21605,
    author = "Marek Kalabza",
    type = "Bachelor's thesis",
    title = "Srovn\'{a}n\'{i} modern\'{i}ch form\'{a}t\r{u} pro ztr\'{a}tovou kompresi obrazu",
    school = "Brno University of Technology, Faculty of Information Technology",
    year = 2019,
    location = "Brno, CZ",
    language = "czech",
    url = "https://www.fit.vut.cz/study/thesis/21605/"
}

Theses

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