{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T11:55:48Z","timestamp":1767182148268,"version":"build-2065373602"},"reference-count":29,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2023,2,9]],"date-time":"2023-02-09T00:00:00Z","timestamp":1675900800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Irish Research Council Government of Ireland Postgraduate Scholarship","award":["CA18206"],"award-info":[{"award-number":["CA18206"]}]},{"DOI":"10.13039\/501100000921","name":"GliMR EU COST Action","doi-asserted-by":"publisher","award":["CA18206"],"award-info":[{"award-number":["CA18206"]}],"id":[{"id":"10.13039\/501100000921","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Algorithms"],"abstract":"<jats:p>Gibbs ringing is an artefact that is inevitable in any imaging modality where the measurement is Fourier band-limited. It impacts the quality of the image by creating a ringing appearance around discontinuities. Many novel ways of suppressing the artefact have been proposed, including machine learning methods, but the quantitative comparisons of the results have frequently been lacking in rigour. In this paper, we examine image quality assessment metrics on three test images with different complexity. We determine six metrics which show promise for simultaneously assessing severity of Gibbs ringing and of other error such as blurring. We examined applying metrics to a region of interest around discontinuities in the image and use the metrics on the resulting region of interest. We demonstrate that the region of interest approach does not improve the performance of the metrics. Finally, we examine the effect of the error threshold parameter in two metrics. Our results will aid development of best practice in comparison of algorithms for the suppression of Gibbs ringing.<\/jats:p>","DOI":"10.3390\/a16020096","type":"journal-article","created":{"date-parts":[[2023,2,9]],"date-time":"2023-02-09T02:55:54Z","timestamp":1675911354000},"page":"96","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Image Quality Assessment for Gibbs Ringing Reduction"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0443-9251","authenticated-orcid":false,"given":"Yue","family":"Wang","sequence":"first","affiliation":[{"name":"School of Electrical and Electronic Engineering, University College Dublin, D04 V1W8 Dublin, Ireland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3075-9248","authenticated-orcid":false,"given":"John J.","family":"Healy","sequence":"additional","affiliation":[{"name":"School of Electrical and Electronic Engineering, University College Dublin, D04 V1W8 Dublin, Ireland"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"737","DOI":"10.1364\/JOSAA.21.000737","article-title":"Penalized-likelihood image reconstruction for digital holography","volume":"21","author":"Sotthivirat","year":"2004","journal-title":"J. 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