Performance comparison of lossless compression strategies for dynamic vision sensor data

Nabeel Khan, Khurram Iqbal, Maria Martini

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    Dynamic Vision Sensors (DVS) are emerging neuromorphic visual capturing devices, with great advantages in terms of low power consumption, wide dynamic range, and high temporal resolution in diverse applications. The capturing method results in lower data rates than conventional video. Still, such data can be further compressed. This is an emerging research area and a performance comparison of different compression strategies for these data is still missing. This paper addresses lossless compression strategies for data output by neuromorphic visual sensors. We compare the performance of a number of strategies, including the only strategy developed specifically for such data and other more generic data compression strategies, tailored here to the case of neuromorphic data. We perform the comparison in terms of compression ratio, as well as compression and decompression speed. According to the detailed experimental analysis, LZMA achieves the best compression ratio among all the considered strategies. On the other hand, Brotli achieves the best trade-off between speed (compression and decompression) and compression ratio.
    Original languageEnglish
    Title of host publicationPublished in 2020 IEEE International Conference on Acoustics, Speech, and Signal Processing (2020). Piscataway : IEEE, pp.4427-4431. ISSN (Print) 1520-6149, ISSN (Electronic) 2379-190X. ISBN: 9781509066315 This work was supported by the Engineering and Physical Sciences Research Council [Grant Number: EP/P02271/5/1 The Internet of Silicon Retinas: Machine to machine communications for neuromorphic vision sensing data (IoSiRe)] Organising Body: Institute of Electrical and Electronics Engineers Organising Body: Institute of Electrical and Electronics Engineers
    DOIs
    Publication statusPublished - May 2020

    Bibliographical note

    Note: Published in 2020 IEEE International Conference on Acoustics, Speech, and Signal Processing (2020). Piscataway : IEEE, pp.4427-4431. ISSN (Print) 1520-6149, ISSN (Electronic) 2379-190X. ISBN: 9781509066315

    This work was supported by the Engineering and Physical Sciences Research Council [Grant Number: EP/P02271/5/1 The Internet of Silicon Retinas: Machine to machine communications for neuromorphic vision sensing data (IoSiRe)]

    Organising Body: Institute of Electrical and Electronics Engineers

    Organising Body: Institute of Electrical and Electronics Engineers

    Keywords

    • Communication, cultural and media studies

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