On the speckle-free nature of photoacoustic tomography
Purpose: A long-standing conundrum is why photoacoustic tomography (PAT) possesses the unique ability to produce images devoid of speckle artifacts while all other coherent imaging technologies do not. Methods: In this paper, we explain the inherent mechanism that suppresses speckle in PAT, and the...
Gespeichert in:
| Veröffentlicht in: | Medical physics (Lancaster) 2009-09, Vol.36 (9), p.4084-4088 |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 4088 |
|---|---|
| container_issue | 9 |
| container_start_page | 4084 |
| container_title | Medical physics (Lancaster) |
| container_volume | 36 |
| creator | Guo, Zijian Li, Li Wang, Lihong V. |
| description | Purpose:
A long-standing conundrum is why photoacoustic tomography (PAT) possesses the unique ability to produce images devoid of speckle artifacts while all other coherent imaging technologies do not.
Methods:
In this paper, we explain the inherent mechanism that suppresses speckle in PAT, and the analysis was validated by simulations based on an experimental PAT system.
Results:
We found that the speckle-free feature of PAT results directly from the optical absorption contrast.
Conclusions:
All optical absorbers expand on laser excitation, and therefore all initial photoacoustic pressure rises are positive, which engenders strong correlations among the photoacoustic waves from the absorbers. As a result, prominent boundaries always build up in photoacoustic images and suppress the interior speckle. |
| doi_str_mv | 10.1118/1.3187231 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_crossref_primary_10_1118_1_3187231</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>734075465</sourcerecordid><originalsourceid>FETCH-LOGICAL-c5361-6b31cebe5dad8d19f2f1f791bb0f69dbc62349ae29c28b0175bbad51b501516d3</originalsourceid><addsrcrecordid>eNqNkUtP3DAUhS0EKgN0wR9A2VVFCvj6kceiSBVqCxJoWLRry3aumdBMnNoeqvn3ZDRRCwsQq7vwd869PoeQY6BnAFCdwxmHqmQcdsiMiZLngtF6l8worUXOBJX75CDGB0ppwSX9QPahroCKis5IMe-ztMAsDmh_d5i7gJj1Oq0CZt5lw8Inr61fxdTaLPmlvw96WKyPyJ7TXcSP0zwkv75_-3l5ld_Mf1xffr3JreQF5IXhYNGgbHRTNVA75sCVNRhDXVE3xhaMi1ojqy2rDIVSGqMbCUZSkFA0_JBcbH2HlVliY7FPQXdqCO1Sh7XyulUvX_p2oe79o2Ilr0ohR4NPk0Hwf1YYk1q20WLX6R7HX6mSC1pKUWzIz1vSBh9jQPdvC1C1iVmBmmIe2ZPnZ_0np1xHIN8Cf9sO1687qdu7yfDLlo-2TTq1vn9dM-_V2JiaGlObxkb96bv1b8GPPjw7bmgcfwJ6frdD</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>734075465</pqid></control><display><type>article</type><title>On the speckle-free nature of photoacoustic tomography</title><source>MEDLINE</source><source>Wiley Online Library Journals Frontfile Complete</source><source>Alma/SFX Local Collection</source><creator>Guo, Zijian ; Li, Li ; Wang, Lihong V.</creator><creatorcontrib>Guo, Zijian ; Li, Li ; Wang, Lihong V.</creatorcontrib><description>Purpose:
A long-standing conundrum is why photoacoustic tomography (PAT) possesses the unique ability to produce images devoid of speckle artifacts while all other coherent imaging technologies do not.
Methods:
In this paper, we explain the inherent mechanism that suppresses speckle in PAT, and the analysis was validated by simulations based on an experimental PAT system.
Results:
We found that the speckle-free feature of PAT results directly from the optical absorption contrast.
Conclusions:
All optical absorbers expand on laser excitation, and therefore all initial photoacoustic pressure rises are positive, which engenders strong correlations among the photoacoustic waves from the absorbers. As a result, prominent boundaries always build up in photoacoustic images and suppress the interior speckle.</description><identifier>ISSN: 0094-2405</identifier><identifier>EISSN: 2473-4209</identifier><identifier>EISSN: 0094-2405</identifier><identifier>DOI: 10.1118/1.3187231</identifier><identifier>PMID: 19810480</identifier><identifier>CODEN: MPHYA6</identifier><language>eng</language><publisher>United States: American Association of Physicists in Medicine</publisher><subject>Acoustic scattering ; acoustic tomography ; Acoustics ; Algorithms ; biomedical optical imaging ; biomedical ultrasonics ; Cancer ; Coherence imaging ; Computer Simulation ; laser applications in medicine ; Laser imaging ; Light ; light absorption ; Medical diagnosis with acoustics ; medical image processing ; Medical imaging ; optical tomography ; Optics and Photonics ; Phantoms, Imaging ; photoacoustic effect ; photoacoustic imaging ; speckle ; Thermotherapy Physics ; Tomography - methods ; Ultrasonic scattering ; Ultrasonic transducers ; Ultrasonics ; Ultrasonographic imaging ; Ultrasonography</subject><ispartof>Medical physics (Lancaster), 2009-09, Vol.36 (9), p.4084-4088</ispartof><rights>American Association of Physicists in Medicine</rights><rights>2009 American Association of Physicists in Medicine</rights><rights>Copyright © 2009 American Association of Physicists in Medicine 2009 American Association of Physicists in Medicine</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5361-6b31cebe5dad8d19f2f1f791bb0f69dbc62349ae29c28b0175bbad51b501516d3</citedby><cites>FETCH-LOGICAL-c5361-6b31cebe5dad8d19f2f1f791bb0f69dbc62349ae29c28b0175bbad51b501516d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1118%2F1.3187231$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1118%2F1.3187231$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,776,780,881,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19810480$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Guo, Zijian</creatorcontrib><creatorcontrib>Li, Li</creatorcontrib><creatorcontrib>Wang, Lihong V.</creatorcontrib><title>On the speckle-free nature of photoacoustic tomography</title><title>Medical physics (Lancaster)</title><addtitle>Med Phys</addtitle><description>Purpose:
A long-standing conundrum is why photoacoustic tomography (PAT) possesses the unique ability to produce images devoid of speckle artifacts while all other coherent imaging technologies do not.
Methods:
In this paper, we explain the inherent mechanism that suppresses speckle in PAT, and the analysis was validated by simulations based on an experimental PAT system.
Results:
We found that the speckle-free feature of PAT results directly from the optical absorption contrast.
Conclusions:
All optical absorbers expand on laser excitation, and therefore all initial photoacoustic pressure rises are positive, which engenders strong correlations among the photoacoustic waves from the absorbers. As a result, prominent boundaries always build up in photoacoustic images and suppress the interior speckle.</description><subject>Acoustic scattering</subject><subject>acoustic tomography</subject><subject>Acoustics</subject><subject>Algorithms</subject><subject>biomedical optical imaging</subject><subject>biomedical ultrasonics</subject><subject>Cancer</subject><subject>Coherence imaging</subject><subject>Computer Simulation</subject><subject>laser applications in medicine</subject><subject>Laser imaging</subject><subject>Light</subject><subject>light absorption</subject><subject>Medical diagnosis with acoustics</subject><subject>medical image processing</subject><subject>Medical imaging</subject><subject>optical tomography</subject><subject>Optics and Photonics</subject><subject>Phantoms, Imaging</subject><subject>photoacoustic effect</subject><subject>photoacoustic imaging</subject><subject>speckle</subject><subject>Thermotherapy Physics</subject><subject>Tomography - methods</subject><subject>Ultrasonic scattering</subject><subject>Ultrasonic transducers</subject><subject>Ultrasonics</subject><subject>Ultrasonographic imaging</subject><subject>Ultrasonography</subject><issn>0094-2405</issn><issn>2473-4209</issn><issn>0094-2405</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUtP3DAUhS0EKgN0wR9A2VVFCvj6kceiSBVqCxJoWLRry3aumdBMnNoeqvn3ZDRRCwsQq7vwd869PoeQY6BnAFCdwxmHqmQcdsiMiZLngtF6l8worUXOBJX75CDGB0ppwSX9QPahroCKis5IMe-ztMAsDmh_d5i7gJj1Oq0CZt5lw8Inr61fxdTaLPmlvw96WKyPyJ7TXcSP0zwkv75_-3l5ld_Mf1xffr3JreQF5IXhYNGgbHRTNVA75sCVNRhDXVE3xhaMi1ojqy2rDIVSGqMbCUZSkFA0_JBcbH2HlVliY7FPQXdqCO1Sh7XyulUvX_p2oe79o2Ilr0ohR4NPk0Hwf1YYk1q20WLX6R7HX6mSC1pKUWzIz1vSBh9jQPdvC1C1iVmBmmIe2ZPnZ_0np1xHIN8Cf9sO1687qdu7yfDLlo-2TTq1vn9dM-_V2JiaGlObxkb96bv1b8GPPjw7bmgcfwJ6frdD</recordid><startdate>200909</startdate><enddate>200909</enddate><creator>Guo, Zijian</creator><creator>Li, Li</creator><creator>Wang, Lihong V.</creator><general>American Association of Physicists in Medicine</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>200909</creationdate><title>On the speckle-free nature of photoacoustic tomography</title><author>Guo, Zijian ; Li, Li ; Wang, Lihong V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5361-6b31cebe5dad8d19f2f1f791bb0f69dbc62349ae29c28b0175bbad51b501516d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Acoustic scattering</topic><topic>acoustic tomography</topic><topic>Acoustics</topic><topic>Algorithms</topic><topic>biomedical optical imaging</topic><topic>biomedical ultrasonics</topic><topic>Cancer</topic><topic>Coherence imaging</topic><topic>Computer Simulation</topic><topic>laser applications in medicine</topic><topic>Laser imaging</topic><topic>Light</topic><topic>light absorption</topic><topic>Medical diagnosis with acoustics</topic><topic>medical image processing</topic><topic>Medical imaging</topic><topic>optical tomography</topic><topic>Optics and Photonics</topic><topic>Phantoms, Imaging</topic><topic>photoacoustic effect</topic><topic>photoacoustic imaging</topic><topic>speckle</topic><topic>Thermotherapy Physics</topic><topic>Tomography - methods</topic><topic>Ultrasonic scattering</topic><topic>Ultrasonic transducers</topic><topic>Ultrasonics</topic><topic>Ultrasonographic imaging</topic><topic>Ultrasonography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, Zijian</creatorcontrib><creatorcontrib>Li, Li</creatorcontrib><creatorcontrib>Wang, Lihong V.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Medical physics (Lancaster)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guo, Zijian</au><au>Li, Li</au><au>Wang, Lihong V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On the speckle-free nature of photoacoustic tomography</atitle><jtitle>Medical physics (Lancaster)</jtitle><addtitle>Med Phys</addtitle><date>2009-09</date><risdate>2009</risdate><volume>36</volume><issue>9</issue><spage>4084</spage><epage>4088</epage><pages>4084-4088</pages><issn>0094-2405</issn><eissn>2473-4209</eissn><eissn>0094-2405</eissn><coden>MPHYA6</coden><abstract>Purpose:
A long-standing conundrum is why photoacoustic tomography (PAT) possesses the unique ability to produce images devoid of speckle artifacts while all other coherent imaging technologies do not.
Methods:
In this paper, we explain the inherent mechanism that suppresses speckle in PAT, and the analysis was validated by simulations based on an experimental PAT system.
Results:
We found that the speckle-free feature of PAT results directly from the optical absorption contrast.
Conclusions:
All optical absorbers expand on laser excitation, and therefore all initial photoacoustic pressure rises are positive, which engenders strong correlations among the photoacoustic waves from the absorbers. As a result, prominent boundaries always build up in photoacoustic images and suppress the interior speckle.</abstract><cop>United States</cop><pub>American Association of Physicists in Medicine</pub><pmid>19810480</pmid><doi>10.1118/1.3187231</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-2405 |
| ispartof | Medical physics (Lancaster), 2009-09, Vol.36 (9), p.4084-4088 |
| issn | 0094-2405 2473-4209 0094-2405 |
| language | eng |
| recordid | cdi_crossref_primary_10_1118_1_3187231 |
| source | MEDLINE; Wiley Online Library Journals Frontfile Complete; Alma/SFX Local Collection |
| subjects | Acoustic scattering acoustic tomography Acoustics Algorithms biomedical optical imaging biomedical ultrasonics Cancer Coherence imaging Computer Simulation laser applications in medicine Laser imaging Light light absorption Medical diagnosis with acoustics medical image processing Medical imaging optical tomography Optics and Photonics Phantoms, Imaging photoacoustic effect photoacoustic imaging speckle Thermotherapy Physics Tomography - methods Ultrasonic scattering Ultrasonic transducers Ultrasonics Ultrasonographic imaging Ultrasonography |
| title | On the speckle-free nature of photoacoustic tomography |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-05T17%3A07%3A27IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=On%20the%20speckle-free%20nature%20of%20photoacoustic%20tomography&rft.jtitle=Medical%20physics%20(Lancaster)&rft.au=Guo,%20Zijian&rft.date=2009-09&rft.volume=36&rft.issue=9&rft.spage=4084&rft.epage=4088&rft.pages=4084-4088&rft.issn=0094-2405&rft.eissn=2473-4209&rft.coden=MPHYA6&rft_id=info:doi/10.1118/1.3187231&rft_dat=%3Cproquest_cross%3E734075465%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=734075465&rft_id=info:pmid/19810480&rfr_iscdi=true |