Zobrazeno 1 - 10
of 14
pro vyhledávání: '"T. L. Houk"'
Publikováno v:
Applied optics. 19(20)
Comprehensive measurements of the bidirectional reflectance factor of BaSO(4) paint vs both viewing and illumination angles are presented as contour plots. Contours resulting from several surfacing techniques are compared to demonstrate that a machin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff5d48d7cc8bbe797bd3dc600ad93daf
https://pubmed.ncbi.nlm.nih.gov/20234646
https://pubmed.ncbi.nlm.nih.gov/20234646
Autor:
T. L. Houk, Stephen J. Riederer, Charles A. Mistretta, C. G. Shaw, Jerome C. Lancaster, Robert A. Kruger
This report describes our initial experiences in the medical profession with real-time digital processing of X-ray transmission information taken from the video output of a conventional X-ray fluoroscopy and cine fluoroscopy system. X-rays are produc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::760ee09c985c09e53543ef37c742ad43
https://doi.org/10.1520/stp27515s
https://doi.org/10.1520/stp27515s
Publikováno v:
Three-Dimensional Imaging Metrology.
A Precision Optical Measurement System (POMS) has been designed, constructed and tested for tracking the position (x, y, z) and orientation (roll, pitch, yaw) of models in Boeing's 9-77 Compact Radar Range. A stereo triangulation technique is impleme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5342362f162919c053361e7644c44fe
https://doi.org/10.1117/12.811921
https://doi.org/10.1117/12.811921
Autor:
W J Zwiebel, Stephen J. Riederer, Mitchell M. Goodsitt, Andrew B. Crummy, Chris G. Shaw, David C. Flemming, Robert A. Kruger, George G. Rowe, Jerome C. Lancaster, Charles A. Mistretta, T. L. Houk
Publikováno v:
Radiology. 130:49-57
A computerized fluoroscopic system with dedicated real-time hard-wired algorithms can be used for cardiovascular imaging with or without injection of iodine. Initial differentiated and integrated time subtraction displays are presented. Contrast stud
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e7e87d359d6e2659f1304221d558508
https://doi.org/10.1148/130.1.49
https://doi.org/10.1148/130.1.49
Autor:
T. L. Houk, Robert A. Kruger, Stephen J. Riederer, Jerome C. Lancaster, Charles A. Mistretta, David C. Flemming, C. G. Shaw
Publikováno v:
Investigative Radiology. 14:270-278
We report in vitro and in vivo trials of K-edge fluoroscopy, by which iodine contrast concentration is displayed live, with tissue and bone images suppressed, free of patient-motion artifacts. Iodine and cerium, 125 and 225 mg/cm2 respectively, filte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37bcd8bd21cf06ad1f48806dd9f34886
https://doi.org/10.1097/00004424-197907000-00002
https://doi.org/10.1097/00004424-197907000-00002
Autor:
Steven J. Riederer, Chorn-gang Shaw, Mitchell M. Goodsitt, Charles A. Mistretta, Andrew B. Crummy, Robert A. Kruger, David Fleming, T. L. Houk, Joseph F. Sackett
Publikováno v:
Radiology. 125:243-245
K-edge subtraction images have been produced using a digital video image processor. Images formed by three filtered x-ray beams are detected by an image intensifier-Plumbicon system, digitilized, and combined in real time to produce bone- and tissue-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::687480c04428d13b5af34fb6204dd893
https://doi.org/10.1148/125.1.243
https://doi.org/10.1148/125.1.243
Publikováno v:
JAMA. 247(9)
Modern computed tomographic (CT) scanners allow reasonably high-resolution cross-sectional visualization of most viscera and masses. To determine the accuracy of CT volume estimation, CT volumes of inanimate objects, cadaver kidneys and spleens, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::f864f832845a9e72e970c47fb7187801
https://pubmed.ncbi.nlm.nih.gov/7062546
https://pubmed.ncbi.nlm.nih.gov/7062546
Autor:
A. Crummy, George G. Rowe, Robert A Kruger, T. L. Houk, W J Zwiebel, W. Kubal, Chorng G. Shaw, Stephen J. Riederer, Charles A. Mistretta, D. Carbone, D. L. Ergun, David C. Flemming
Publikováno v:
SPIE Proceedings.
A computerized fluoroscopy system employing several time and energy subtraction algorithms has permitted good visualization of the cardiovascular system using peripheral intravenous iodine injections of about 1 cm3/kg. Image contrast im-provements of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84506196b29a3fe97e68318121d3b334
https://doi.org/10.1117/12.956983
https://doi.org/10.1117/12.956983
Autor:
Charles A. Mistretta, M. Goodsitt, Robert A. Kruger, T. L. Houk, D. Fleming, Stephen J. Riederer, James W. Hicks, A. B. Crummy, J. Sackett, Jerome C. Lancaster, C. G. Shaw
Publikováno v:
Optical Engineering. 17
A digital video image processor (VIP) has been constructed and is presently being tested and used in a variety of preclinical medical imaging situations. Details of its design are discussed. The VIP can digitize, store and process images from a conve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a596571bf8afc2790c33ca28e0d67b4
https://doi.org/10.1117/12.7972299
https://doi.org/10.1117/12.7972299
Autor:
Andrew B. Crummy, T. L. Houk, Robert A. Kruger, C. G. Shaw, Stephen J. Riederer, David C. Flemming, William C. Zarnstorff, W J Zwiebel, D. L. Ergun, George G. Rowe, W. Kubal, Charles A. Mistretta
Publikováno v:
SPIE Proceedings.
A number of methods for visualizing the cardiovascular system of dogs and humans in real time have been developed and are grouped under the heading computerized fluoroscopy. Such techniques provide images capable of high contrast sensitivity and mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fe6091cc88290ff3e1a431e2f467c43
https://doi.org/10.1117/12.938196
https://doi.org/10.1117/12.938196