Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Dax Kepshire"'
Publikováno v:
Biomedical Optics and 3-D Imaging.
Non-contact fluorescence tomography of small animals needs to be automated to balance gain control and laser intensity avoiding saturation or noisy signals. System workflow is identified and the concept of automatic exposure control is tested.
Autor:
Mario Khayat, Brian W. Pogue, Josiah Gruber, Frederic Leblond, Niculae Mincu, Hamid Dehghani, Dax Kepshire, Justin Hypnarowski, Michael Hutchins
Publikováno v:
The Review of scientific instruments. 80(4)
A prototype small animal imaging system was created for coupling fluorescence tomography (FT) with x-ray microcomputed tomography (microCT). The FT system has the potential to provide synergistic information content resultant from using microCT image
Autor:
Subhadra Srinivasan, Brian W. Pogue, Niculae Mincu, Hamid Dehghani, Frederic Leblond, Dax Kepshire, Michael Hutchins, Mario Khayat, Julia A. O'Hara, Summer L. Gibbs-Strauss
Tomographic imaging of a glioma tumor with endogenous fluorescence is demonstrated using a noncontact single-photon counting fan-beam acquisition system interfaced with microCT imaging. The fluorescence from protoporphyrin IX (PpIX) was found to be d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17ae0d0f67ce53369e805241118660b2
https://europepmc.org/articles/PMC2810635/
https://europepmc.org/articles/PMC2810635/
Publikováno v:
Applied optics. 46(10)
Subsurface tomography with diffuse light has been investigated with a noncontact approach to characterize the performance of absorption and fluorescence imaging. Using both simulations and experiments, the reconstruction of local subsurface heterogen
Publikováno v:
SPIE Proceedings.
A fully non-contact CCD-based approach to sub-surface fluorescence diffuse optical imaging is presented. An overview of CCD-noise sources are described and a possible solution for obtaining an adequate SNR in CCD-based diffuse optical imaging is impl
Autor:
Hamid Dehghani, Summer L. Gibbs, Keith D. Paulsen, Dax Kepshire, Scott C. Davis, Brian W. Pogue
Publikováno v:
Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XV.
A non-contact fluorescence diffuse optical tomography (DOT) system capable of producing B-scan-type images of localized fluorescence regions up to depths of 15mm is presented. The B-Scan mode is analogous to ultrasound where the excitation and remiss
Autor:
Keith D. Paulsen, Summer L. Gibbs, Tayyaba Hasan, Scott C. Davis, Dax Kepshire, Xiaodong Zhou, Brian W. Pogue
Publikováno v:
Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XV.
This paper summarizes ten approaches to quantifying fluorescence in tissues, and contrasts their strengths and weaknesses, relative to what their common applications are, and should be. The major issues involved in this analysis are to compare the ac
Autor:
Scott C. Davis, Hamid Dehghani, Keith D. Paulsen, Brian W. Pogue, Dax Kepshire, Summer L. Gibbs
Publikováno v:
Scopus-Elsevier
A fluorescence diffuse optical tomography system capable of producing B-scan-type images of localized fluorescence regions is presented. The B-Scan mode is analogous to ultrasound where the excitation and remission signals are delivered from the tiss
Publikováno v:
Journal of the Optical Society of America A. 26:1444
In vivo tissue imaging using near-infrared light suffers from low spatial resolution and poor contrast recovery because of highly scattered photon transport. For diffuse optical tomography (DOT) and fluorescence molecular tomography (FMT), the resolu