Detail publikačního výsledku

Region of interest in JPEG

BAŘINA, D.; KLÍMA, O.

Originální název

Region of interest in JPEG

Anglický název

Region of interest in JPEG

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

This paper describes three methods to encode a region of interest (ROI) of arbitrary shape in the JPEG standard.The ROI is part of the image encoded with higher quality than the rest of the image. Two of the described methodsare based on thresholding of DCT coefficients. The last method is based on the early termination of the entropycoding phase. All methods are fully compatible with existing JPEG decoders. Using ROI, it is possible to reducethe bitrate to only a fraction of the original value. The results in this paper show that thresholding of original DCTcoefficients provides superior performance in terms of the PSNR-B index.

Anglický abstrakt

This paper describes three methods to encode a region of interest (ROI) of arbitrary shape in the JPEG standard.The ROI is part of the image encoded with higher quality than the rest of the image. Two of the described methodsare based on thresholding of DCT coefficients. The last method is based on the early termination of the entropycoding phase. All methods are fully compatible with existing JPEG decoders. Using ROI, it is possible to reducethe bitrate to only a fraction of the original value. The results in this paper show that thresholding of original DCTcoefficients provides superior performance in terms of the PSNR-B index.

Klíčová slova

JPEG, region of interest, image compression

Klíčová slova v angličtině

JPEG, region of interest, image compression

Autoři

BAŘINA, D.; KLÍMA, O.

Rok RIV

2023

Vydáno

31.05.2022

Nakladatel

Union Agency

Místo

Plzeň

ISBN

978-80-86943-64-0

Kniha

WSCG 2022 Proceedings

Edice

Computer Science Research Notes

Strany od

1

Strany do

4

Strany počet

4

URL

https://www.fit.vut.cz/research/publication/12736/

BibTex

@inproceedings{BUT177758,
  author="David {Bařina} and Ondřej {Klíma}",
  title="Region of interest in JPEG",
  booktitle="WSCG 2022 Proceedings",
  year="2022",
  series="Computer Science Research Notes",
  pages="1--4",
  publisher="Union Agency",
  address="Plzeň",
  doi="10.24132/CSRN.3201.1",
  isbn="978-80-86943-64-0",
  url="https://www.fit.vut.cz/research/publication/12736/"
}

Dokumenty

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