Side scan sonar image super resolution via region-selective sparse coding

Jaihyun Park, Bonhwa Ku, Youngsaeng Jin, Hanseok Ko

    Research output: Contribution to journalArticlepeer-review

    7 Citations (Scopus)

    Abstract

    Side scan sonar using low frequency can quickly search a wide range, but the images acquired are of low quality. The image super resolution (SR) method can mitigate this problem. The SR method typically uses sparse coding, but accurately estimating sparse coefficients incurs substantial computational costs. To reduce processing time, we propose a region-selective sparse coding based SR system that emphasizes object regions. In particular, the region that contains interesting objects is detected for side scan sonar based underwater images so that the subsequent sparse coding based SR process can be selectively applied. Effectiveness of the proposed method is verified by the reduced processing time required for image reconstruction yet preserving the same level of visual quality as conventional methods.

    Original languageEnglish
    Pages (from-to)210-213
    Number of pages4
    JournalIEICE Transactions on Information and Systems
    Issue number1
    DOIs
    Publication statusPublished - 2019 Jan

    Keywords

    • Object detection
    • Side scan sonar
    • Sparse coding
    • Super resolution

    ASJC Scopus subject areas

    • Software
    • Hardware and Architecture
    • Computer Vision and Pattern Recognition
    • Electrical and Electronic Engineering
    • Artificial Intelligence

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