{"title":"High-resolution photoacoustic imaging in humans","authors":"Paul C. Beard","doi":"10.1117/12.3029537","DOIUrl":"https://doi.org/10.1117/12.3029537","url":null,"abstract":"","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"10 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140283958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anjali Thomas, Max Tigo Rietberg, Youri H. W. Meevis, Jasper Vonk, R. Slart, Francis Kalloor Joseph
{"title":"Quantitative photoacoustic imaging utilizing a reference absorber as a fluence marker","authors":"Anjali Thomas, Max Tigo Rietberg, Youri H. W. Meevis, Jasper Vonk, R. Slart, Francis Kalloor Joseph","doi":"10.1117/12.3002603","DOIUrl":"https://doi.org/10.1117/12.3002603","url":null,"abstract":"","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140284122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhanpeng Xu, Guillermo Escalona, Wei Zhang, Ian Schrack, Lonnie Shea, Xueding Wang
{"title":"Detecting metastatic potential of cancer through longitudinal vasculature imaging of biomaterial scaffold using non-invasive in vivo photoacoustic microscopy and OCT","authors":"Zhanpeng Xu, Guillermo Escalona, Wei Zhang, Ian Schrack, Lonnie Shea, Xueding Wang","doi":"10.1117/12.2692826","DOIUrl":"https://doi.org/10.1117/12.2692826","url":null,"abstract":"","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"151 S622","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140393606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xie Hui, Praveenbalaji D. Rajendran, Tong Ling, M. Pramanik
{"title":"Advancing ultrasound-guided needle visibility: deep learning empowered by photoacoustic imaging","authors":"Xie Hui, Praveenbalaji D. Rajendran, Tong Ling, M. Pramanik","doi":"10.1117/12.3001114","DOIUrl":"https://doi.org/10.1117/12.3001114","url":null,"abstract":"","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"7 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140393099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Photoacoustic frequency analysis of the ablation-induced necrosis lesion","authors":"Shang Gao, Ryo Murakami, Haichong K Zhang","doi":"10.1117/12.3000384","DOIUrl":"https://doi.org/10.1117/12.3000384","url":null,"abstract":"","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"5 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140393122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Md Tarikul Islam, Juliana Benavides, Ravi Prakash, Laura McGuire, Fady Charbel, James Lin, Danilo Erricolo, Juri Gelovani, K. Avanaki
{"title":"Development of a thermoacoustic imaging system to image blood in the brain: preliminary ex-vivo results","authors":"Md Tarikul Islam, Juliana Benavides, Ravi Prakash, Laura McGuire, Fady Charbel, James Lin, Danilo Erricolo, Juri Gelovani, K. Avanaki","doi":"10.1117/12.3003489","DOIUrl":"https://doi.org/10.1117/12.3003489","url":null,"abstract":"","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"85 s378","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140393746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dat T. Le, Yong‐Jae Lee, Tae Joong Eom, Changho Lee
{"title":"Multispectral photoacoustic microscopy with a single-shot 20 kHz tunable Ti:sapphire laser","authors":"Dat T. Le, Yong‐Jae Lee, Tae Joong Eom, Changho Lee","doi":"10.1117/12.3002176","DOIUrl":"https://doi.org/10.1117/12.3002176","url":null,"abstract":"","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"4 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140284590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Flexible transducer arrays have the potential to conform to various organ shapes and sizes during photoacoustic image-guided interventions. However, incorrect sound speeds and array shapes can interfere with photoacoustic target localization and degrade image quality. We propose a metric to estimate the sound speed surrounding a target and the radii of curvature of flexible arrays with approximately concave shapes. The metric is defined as the maximum lag-one spatial coherence of the time-delayed, zero-mean channel data received from a region of interest surrounding a photoacoustic target (which we abbreviate as mLOC). Performance is demonstrated with simulated and experimental phantom data. Three photoacoustic targets were simulated in k-Wave with 1540 m/s medium sound speed, and photoacoustic signals were received by a transducer with a flat shape and an 81.3 mm radius of curvature. To acquire experimental photoacoustic data with the flexible array placed on flat and curved surfaces, an optical fiber paired with a hollow metal needle was inserted into an 83-mm-radius hemispherical plastisol phantom at three locations. When implementing beamforming time delays to calculate mLOC, the associated sound speed and radii of curvature ranged 1080-2000 m/s and 60-120 mm, respectively. The sound speed and array curvature estimated by the maximized mLOC were 1540 m/s and 81 mm, respectively, in simulation, resulting in accuracies of 100% and 99.63%, respectively. The sound speed in the phantom was empirically estimated by the maximum of mLOC as 1543 m/s, which led to the array curvature estimation of 85 mm and the corresponding accuracy of 97.59%. Results demonstrate the potential of mLOC to approximate sound speeds and array radii when these variables are unknown in future flexible array imaging scenarios
{"title":"Flexible array curvature and sound speed estimations with a maximum spatial lag-one coherence metric","authors":"Jiaxin Zhang, Kai Ding, M. L. Lediju Bell","doi":"10.1117/12.3005709","DOIUrl":"https://doi.org/10.1117/12.3005709","url":null,"abstract":"Flexible transducer arrays have the potential to conform to various organ shapes and sizes during photoacoustic image-guided interventions. However, incorrect sound speeds and array shapes can interfere with photoacoustic target localization and degrade image quality. We propose a metric to estimate the sound speed surrounding a target and the radii of curvature of flexible arrays with approximately concave shapes. The metric is defined as the maximum lag-one spatial coherence of the time-delayed, zero-mean channel data received from a region of interest surrounding a photoacoustic target (which we abbreviate as mLOC). Performance is demonstrated with simulated and experimental phantom data. Three photoacoustic targets were simulated in k-Wave with 1540 m/s medium sound speed, and photoacoustic signals were received by a transducer with a flat shape and an 81.3 mm radius of curvature. To acquire experimental photoacoustic data with the flexible array placed on flat and curved surfaces, an optical fiber paired with a hollow metal needle was inserted into an 83-mm-radius hemispherical plastisol phantom at three locations. When implementing beamforming time delays to calculate mLOC, the associated sound speed and radii of curvature ranged 1080-2000 m/s and 60-120 mm, respectively. The sound speed and array curvature estimated by the maximized mLOC were 1540 m/s and 81 mm, respectively, in simulation, resulting in accuracies of 100% and 99.63%, respectively. The sound speed in the phantom was empirically estimated by the maximum of mLOC as 1543 m/s, which led to the array curvature estimation of 85 mm and the corresponding accuracy of 97.59%. Results demonstrate the potential of mLOC to approximate sound speeds and array radii when these variables are unknown in future flexible array imaging scenarios","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"17 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140284612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Simulation of metalens-based UV-visible photoacoustic imaging","authors":"A. Barulin, Hyemi Park, Inki Kim, Byullee Park","doi":"10.1117/12.3001996","DOIUrl":"https://doi.org/10.1117/12.3001996","url":null,"abstract":"","PeriodicalId":517808,"journal":{"name":"Photons Plus Ultrasound: Imaging and Sensing 2024","volume":"11 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140283906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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