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Patent
Publication NumberUS 10282499Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-12-16Publication Date2019-05-07
The present invention pertains to a method and apparatus for x-ray ionizing radiation control and ionizing radiation control. A digital representation of an inanimate object is formed. The amount of the radiation at a surface of the inanimate object is simulated. The radiation-matter interaction for a material of the inanimate object is calculated. The amount of energy deposited at a plurality of locations at the inanimate object is calculated. The digital representation of the inanimate obje…
Patent
Publication NumberUS 10231687Filing StatusIssued PatentAvailabilityUnknownFiling Date2015-10-16Publication Date2019-03-19
An x-ray imaging system utilizes enhanced computing arrays. A plurality of x-ray illumination source positions are utilized to produce x-ray radiation at each of the x-ray illumination source positions and to project x-ray radiation towards an object. A detector detects x-ray radiation from the object and transmits detector images for each of the illumination source positions. A memory buffer stores the detector images from the detector. A graphics processing unit formats the detector images …
Patent
Publication NumberUS 10194805Filing StatusIssued PatentAvailabilityUnknownFiling Date2012-02-06Publication Date2019-02-05
The present invention pertains to a method and an apparatus for Raman spectroscopy of human tissue. Human tissue is illuminated with a laser emitting a first wavelength of light. A Raman signal is measured and optical properties are determined at this wavelength such that the measured Raman signal can be corrected based on determined optical properties. Determined optical properties may be the scattering coefficient and absorption coefficient of the tissue. A system for Raman spectroscopy of …
Patent
Publication NumberUS 9933445Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-07-22Publication Date2018-04-03
Systems and techniques for detecting a target substance, such as THC, in a breath constituent sample are provided.
Patent
Publication NumberUS 9921234Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-07-22Publication Date2018-03-20
Chemical compositions and methods provide labeling, detection and measurement of target substances in exhaled human breath, and can be implemented in connection with a handheld device—much like a Breathalyzer portable breath testing unit for alcohol—to support rapid quantification of levels of cannabinoid compounds, such as tetrahydrocannabinol (THC), of suspected users at the roadside.
Patent
Publication NumberUS 9784696Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-10-24Publication Date2017-10-10
The present invention pertains to a system and method for X-ray imaging wherein a targeted fluence at the detector for projection images can be achieved at a plurality of projection angles around the imaging subject by control of exposure times implemented during image acquisition. Exposure time for a second projection image may be determined by the fluence in a first projection image, and in a third projection image by the fluence in a second projection image, where projection images are acq…
Patent
Publication NumberUS 9767935Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-08-30Publication Date2017-09-19
The present invention pertains to a system and method for adaptive X-ray filtration comprising a volume of X-ray attenuating material with a central less attenuating three-dimensional region. The volume of X-ray attenuating material can be positioned within 10 cm from an X-ray source and rotated around an internal axis of rotation. The volume of X-ray attenuating material can be symmetric around the internal axis while the central less attenuating region can be asymmetric around the internal …
Research Grant
IDFA9300-17-P-1007Funding AgencyDepartment of DefenseEffective Date2017-09-06Expiration Date2018-06-04Funding Amount$149,390
Non-destructive testing with Cone Beam Computed Tomography (CBCT) plays an important role in inspecting small components of Intercontinental Ballistic Missile (ICBM) systems, but it suffers from artifacts and long reconstruction times.Iterative CBCT
Patent
Publication NumberUS 20170135666Filing StatusPatent ApplicationAvailabilityUnknownFiling Date2017-01-30Publication Date2017-05-18
The present invention pertains to an apparatus and method for adaptive exposure in imaging systems. An x-ray source for producing x-ray radiation and an x-ray detector for measuring amount of x-ray radiation passing through the human patient and striking the detector can be used. A tomographic image of the human patient or a tomosynthetic image of the human patient can be generated. Region of interest filtering and equalization filtering can be utilized. Filtering can be accomplished with a m…
Patent
Publication NumberUS 9554767Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-02-08Publication Date2017-01-31
The present invention pertains to an apparatus and method for adaptive exposure in imaging systems. An x-ray source for producing x-ray radiation and an x-ray detector for measuring amount of x-ray radiation passing through the human patient and striking the detector can be used. A tomographic image of the human patient or a tomosynthetic image of the human patient can be generated. Region of interest filtering and equalization filtering can be utilized. Filtering can be accomplished with a m…
We found 53 documents that match your Search
Research Grants: 9
Patents: 44

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