Publication result detail

Compression Techniques for 4D STEM Data in Electron Microscopy

ŠIMEČEK, V.; MIHÁLIK, O.

Original Title

Compression Techniques for 4D STEM Data in Electron Microscopy

English Title

Compression Techniques for 4D STEM Data in Electron Microscopy

Type

Paper in proceedings (conference paper)

Original Abstract

This paper explores compression techniques for 4D scanning transmission electron microscopy (STEM) data, aiming to find an optimal, use-case-independent compression approach. Standard image compression methods, including JPEG, PNG, and JPEG2000, are assessed and compared due to their ability to preserve the structural characteristics of the data. Additionally, a method based on Slepian two-dimensional sequences is proposed. It is conceptually similar to JPEG. The methods are evaluated based on compression ratio and data fidelity to identify an optimal format that maximizes data memory demands while minimizing information loss.

English abstract

This paper explores compression techniques for 4D scanning transmission electron microscopy (STEM) data, aiming to find an optimal, use-case-independent compression approach. Standard image compression methods, including JPEG, PNG, and JPEG2000, are assessed and compared due to their ability to preserve the structural characteristics of the data. Additionally, a method based on Slepian two-dimensional sequences is proposed. It is conceptually similar to JPEG. The methods are evaluated based on compression ratio and data fidelity to identify an optimal format that maximizes data memory demands while minimizing information loss.

Keywords

data compression, diffraction, DPSS, electronmicroscopy, image compression, Slepian sequences

Key words in English

data compression, diffraction, DPSS, electronmicroscopy, image compression, Slepian sequences

Authors

ŠIMEČEK, V.; MIHÁLIK, O.

Released

29.04.2025

Publisher

Brno University of Technology, Faculty of Electrical Engineering and Communication

Location

Brno, Czechia

ISBN

978-80-214-6321-9

Book

Proceedings I of the 31st Conference STUDENT EEICT 2025: General papers

Edition

1

Pages from

91

Pages to

94

Pages count

4

URL

BibTex

@inproceedings{BUT197779,
  author="Vít {Šimeček} and Ondrej {Mihálik}",
  title="Compression Techniques for 4D STEM Data in Electron Microscopy",
  booktitle="Proceedings I of the 31st Conference STUDENT EEICT 2025: General papers",
  year="2025",
  series="1",
  number="1",
  pages="91--94",
  publisher="Brno University of Technology, Faculty of Electrical Engineering and Communication",
  address="Brno, Czechia",
  isbn="978-80-214-6321-9",
  url="https://www.eeict.cz/eeict_download/archiv/sborniky/EEICT_2025_sbornik_1.pdf"
}

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