Telesecurity Sciences, Inc.

Imatrex, Inc.

L-3 Communications Security and Detection Systems Corporation

Precision Rt Inc.

Douglas Perry Boyd

Samuel M Song

Junghyun Kwon

Jongkyu Lee

Samuel Moon-Ho Song

Brian Kauke

Larry D Partain

Boris Oreper

Nikolay Rolshud

Roy E Rand

Namho Kim

Steven A Johnson

James W Wiskin

David T Borup

Yoohwan Kim

Manuel Berrondo

Austin Ely

John Enyeart

Chad Johnson

Michael Weil

Apparatus and methods to deliver kV X-rays toward a target lesion within a body including: a treatment anode configured to receive electron beams and output the kV X-rays through a specially-designed collimator; an electron beam source configured to generate and direct the electron beams toward the treatment anode; and at least one magnet configured to steer and scan the electron beams along the treatment anode to prevent overheating of the treatment anode. The components are mounted on a gantry that rotates about the target lesion to distribute the dose delivered over a large volume of healthy tissue while substantially maximizing the dose delivered to the target lesion.

Kilovoltage radiation therapy

A system for tracking tumors during radiotherapy for interleaving treatment pulses with imaging pulses is disclosed. The system includes a plurality of multisource scanning eBeam X-ray tubes, each having multiple focal spots. The X-ray tubes are configured to emit X-rays in a plurality of different locations on a target by sequentially emitting the X-rays to the focal spots in the different focal spots. This is done such that the X-rays can be emitted to the plurality of different locations without substantially moving the X-ray tube or the target. The system further includes multiple imager panels configured to act as targets and configured to receive the X-rays from the focal spots of the X-ray tube. The system further includes a tomosynthesis reconstruction module configured to process outputs from the imager panels to construct a unified three-dimensional image that takes information from each of the different imager panels.

Tumor tracing device with multiple scan tubes

An apparatus to perform a CT scan of an object of interest with a reduced radiation dose including: an X-ray source configured to circularly rotate about the object of interest, the X-ray source configured to generate an X-ray beam; a detector assembly configured to move in tandem with the X-ray source on the opposite side of the X-ray source with respect to the object of interest, wherein the detector assembly is fixed with respect to the X-ray source and configured to detect the X-ray beam on a side of the object of interest opposite to the X-ray source after the X-ray beam passes through the object of interest; a 6-DOF collimator coupled to the X-ray source and comprising a plate with a hole disposed within the plate, wherein an aperture of the X-ray beam is dynamically adjusted by controlling a 3-D pose of the plate.

Dynamic beam aperture control to reduce radiation dose using collimator

Automatic threat detection of volumetric computed tomography (CT) data, including: extracting at least one 3-D object from the volumetric CT data; constructing a feature vector for each of the at least one 3-D objects; and classifying each 3-D object as one of a threat or benign object using the feature vector and a set of truth threat and benign objects.

Extraction and classification of 3-D objects

A computed tomography (CT) apparatus to perform a CT scan with a reduced radiation, including: an X-ray source to direct a cone beam of X-rays toward a detector assembly with an object of interest situated between the source and the detector assembly; a multi-leaf collimator fixed with respect to the X-ray source and configured to dynamically limit the cone beam of X-rays directed toward the object of interest, the multi-leaf collimator comprising a plurality of leaflets to block impinging cone beam of X-rays; and the detector assembly to detect the directed X-ray beam on a side opposite to the X-ray source after the X-ray beam with the reduced solid angle passes through the object of interest.

A system for tracking tumors during radiotherapy by interleaving treatment pulses with imaging pulses is disclosed. The system includes a multisource scanning eBeam X-ray tube having a plurality of focal spots. The X-ray tube is configured to emit X-rays to a plurality of different locations on a target by sequentially emitting the X-rays to the focal spots in the plurality of focal spots. This is done such that the X-rays can be emitted to the plurality of different locations on the target without substantially moving the X-ray tube or the target. The system further includes an imager panel configured to act as the target and configured to receive the X-rays from the focal spots of the X-ray tube. The system further includes a tomosynthesis reconstruction module configured to process output from the imager panel to construct an image.

Ebeam tomosynthesis for radiation therapy tumor tracking

A computed tomography (CT) apparatus including: an X-ray source configured to direct X-rays toward a detector assembly; a dynamic beam collimator fixed in space and configured to dynamically limit an X-ray beam directed toward an object of interest, the dynamic beam collimator including a plurality of leaflets to block a cone beam of X-rays impinging upon the dynamic beam collimator, wherein a subset of the plurality of leaflets opens and closes to block or allow a portion of the cone beam of X-rays to reduce or increase a solid angle of the cone beam, wherein the cone beam of X-rays with the reduced solid angle is directed toward a predetermined portion of the object of interest; and the detector assembly configured to detect the directed cone beam of X-rays on a side opposite to the X-ray source.

Integrating a plurality of security imaging units for an airport security checkpoint into networked common workstations, including: scanning items with a first security imaging unit at a primary inspection area, wherein the first security imaging unit is coupled to a first networked common workstation; displaying the scanned items as a displayed image on a display of the first networked common workstation located at the primary inspection area; re-scanning the items with a second security imaging unit coupled to the first networked common workstation when a possible concealment is observed, wherein the first networked common workstation includes a conversion unit which converts outputs of the first and second security imaging units into a common format for the displayed image; routing the displayed image to a second networked common workstation located at a secondary inspection area when the possible concealment is observed, wherein the secondary inspection area is remote from the primary inspection area.

Vendor and scanner independent common workstation for security

Dual-energy backscatter x-ray shoe scanning including: pre-processing input image information received from a shoe scanning device and image calibration data received from a database to output an atomic number image; detecting at least one suspect region based off the atomic number image; identifying the at least one detected suspect region as an object class using a changeable list of attributes; and classifying the object class according to a changeable list of categories.

Dual energy backscatter X-ray shoe scanning device

Detecting characteristics of a test subject at a checkpoint. Embodiments may include exposing a single test subject to electromagnetic radiation at a security checkpoint. They may further include determining how the electromagnetic radiation interacts with different portions of the single test subject. They may further include determining different material properties for the different portions of the single test subject by examining how the electromagnetic radiation interacts with the different portions of the single test subject. They may further include providing an indication of the different material properties of the different portions of the single test subject, wherein providing an indication of the different material properties of the different portions of the single test subject comprises distinguishing between different material properties.

Short standoff checkpoint detection system

A portable backscatter advanced imaging technology scanner with automated threat or target recognition including: a floor assembly having a cantilever drive assembly for rotating the floor assembly, the floor assembly being able to be partitioned into multiple parts for reassembly; at least one x-ray tube oriented towards selected sides of a test subject; a detector assembly oriented on the circumference of the floor assembly, the detector assembly being able to partitioned into multiple parts for reassembly; a storage unit to store images from detected scattered photons on the detector assembly; and a processing unit to detect, identify and classify concealed objects on the test subject.

Portable backscatter advanced imaging technology scanner with automated target recognition

A radiation therapy and scanning system is provided. The radiation and therapy scanning system includes a therapy source adapted to deliver a predetermined dose of treatment radiation along an axis to a patient positioned in a scan field, a stationary scanning source producing an electron beam, and a detector positioned to partially circumscribe the scan field. The radiation therapy and scanning system also includes a target arranged concentric with the detector and located opposite the detector across the scan field, the target positioned at an angle &#x3b8; to the axis such that when the electron beam impinges on the target the target transmits radiation through the scan field to the detector.

Radiation therapy and scanning system

A method and system of electronically inspecting baggage comprises generating scan data representative of a piece of baggage. At least one of a contour and a surface is extracted from the scan data, and the at least one of a contour and a surface is representative of an object within the baggage. An object database comprises data representative of shapes of known objects, and the at least one of a contour and surface is compared to the object database to identify an object match which is presented.

Method and system for electronic inspection of baggage and cargo

An electron beam scanner includes a stationary source producing an electron beam and a detector positioned to partially circumscribe a scan field, the detector divided into a pair of detector rings arranged adjacent to one another and separated by a gap extending at least partially about a circumference of the detector. The electron beam scanner also includes a target arranged concentric with the detector and located opposite the detector across the scan field, the target having end portions circumferentially overlapping the detector and radially aligned with the gap between the detector rings, such that when the electron beam impinges on the target the target transmits radiation through the gap across the scan field to an associated section of the detector.

Electron beam scanner

A method and system of inspecting baggage to be transported from a location of origin to a destination is provided that includes generating scan data representative of a piece of baggage while the baggage is at the location of origin, and storing the scan data in a database. A rendered view representative of a content of the baggage is provided where the rendered views are based on the scan data retrieved from the database over a network. The rendered views are presented at a destination different from the origin.

Growing community of inventors

Las Vegas, NV, United States of America

Douglas Perry Boyd