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In this paper, we illustrate how speckle illumination, as a particular type of structured illumination, can be exploited to perform optical-resolution photoacoustic microscopy with a single-pixel imaging approach. We first introduce the principle of single-pixel detection applied to photoacoustic imaging and then illustrate in 2 different situations how photoacoustic images may be computationally reconstructed from speckle illumination: In the first situation where the speckle patterns are known through a prior calibration, various reconstruction approaches may be implemented, which are demonstrated experimentally through both scattering layers and multimode optical fibers; in the second situation where the speckle patterns are unknown (blind structured illumination), the so-called memory effect can be harnessed to produce calibration-free photoacoustic images, following the approach initially proposed for fluorescence imaging through thin scattering layers.<\/jats:p>","DOI":"10.34133\/icomputing.0011","type":"journal-article","created":{"date-parts":[[2023,1,11]],"date-time":"2023-01-11T16:23:52Z","timestamp":1673454232000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark_01","source":"Crossref","is-referenced-by-count":8,"title":["Single-Pixel Photoacoustic Microscopy with Speckle Illumination"],"prefix":"10.34133","volume":"2","author":[{"given":"Antonio M.","family":"Caravaca-Aguirre","sequence":"first","affiliation":[{"name":"Universit\u00e9 Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Florian","family":"Poisson","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dorian","family":"Bouchet","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicolino","family":"Stasio","sequence":"additional","affiliation":[{"name":"Laboratory of Optics, School of Engineering, EPFL, Lausanne, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Philippe","family":"Moreau","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Irene","family":"Wang","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edward","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Medical Physics and Biomedical Engineering, University College London, London, UK."},{"name":"Wellcome\/EPSRC Centre for Interventional and Surgical Sciences, University College London, London, UK."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul","family":"Beard","sequence":"additional","affiliation":[{"name":"Department of Medical Physics and Biomedical Engineering, University College London, London, UK."},{"name":"Wellcome\/EPSRC Centre for Interventional and Surgical Sciences, University College London, London, UK."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claire","family":"Prada","sequence":"additional","affiliation":[{"name":"Laboratory of Applied Photonics Devices, School of Engineering, EPFL, Lausanne, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christophe","family":"Moser","sequence":"additional","affiliation":[{"name":"Institut Langevin, ESPCI, PSL University, CNRS, Paris, France."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Demetri","family":"Psaltis","sequence":"additional","affiliation":[{"name":"Laboratory of Optics, School of Engineering, EPFL, Lausanne, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ori","family":"Katz","sequence":"additional","affiliation":[{"name":"Department of Applied Physics, Hebrew University of Jerusalem, Jerusalem, Israel."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emmanuel","family":"Bossy","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"221","published-online":{"date-parts":[[2023,1,13]]},"reference":[{"issue":"118","key":"e_1_3_3_2_2","doi-asserted-by":"crossref","first-page":"305","DOI":"10.2475\/ajs.s3-20.118.305","article-title":"Art. 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