Patents by Inventor Samit Kumar Basu
Samit Kumar Basu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10302774Abstract: A detector assembly for a CT imaging system is provided. The detector assembly including a scintillator block including a plurality of pixels, each pixel configured to receive x-ray beams travelling in a transmission direction, a plurality of photodiodes, and a light guide coupled between the scintillator block and the plurality of photodiodes, the light guide including a plurality of light pipes, each light pipe configured to guide light emitted from a pixel of the plurality of pixels into an associated photodiode of the plurality of photodiodes, wherein each pixel has a first cross-sectional area that is substantially perpendicular to the transmission direction, wherein each photodiode has a second cross-sectional area that is substantially perpendicular to the transmission direction, and wherein the first cross-sectional area is different from the second cross-sectional area.Type: GrantFiled: April 25, 2016Date of Patent: May 28, 2019Assignee: MORPHO DETECTION, LLCInventors: Brian Lee Bures, Samit Kumar Basu
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Patent number: 10288762Abstract: A luggage detection device is configured to detect luggage by generating computed tomography (CT) imaging slices. For each of the CT imaging slices, the luggage detection device is configured to identify at least one region within the CT imaging slice for removal based on at least one predefined rule, to remove pixel data associated with the at least one identified region within the CT imaging slice, to generate a pixel count representing a number of pixels in the modified CT imaging slice that include a value above a threshold pixel value, and to generate an object indicator based on a determination that the generated pixel count is above a threshold pixel count. The luggage detection device is further configured to display at least one of the plurality of CT image slices based on the presence of the corresponding baggage indicator.Type: GrantFiled: June 21, 2016Date of Patent: May 14, 2019Assignee: MORPHO DETECTION, LLCInventor: Samit Kumar Basu
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Patent number: 10264263Abstract: A compression device for compressing image data generated by a computed tomography (CT) imaging system is described herein. The compression device is configured to compress the image data by implementing a method including receiving image data from the CT imaging system and requantizing the image data in a square root domain. The method further includes identifying a group of projections (GOP) in the image data, including a first projection and a plurality of subsequent projections, and performing spatial-delta encoding on the first projection and temporal-delta encoding on each of the plurality of subsequent projections. The method also includes identifying a signed value in the GOP, and converting the signed value to an unsigned value. The method further includes entropy coding the image data in the GOP, and packetizing the GOP for transmission or storage.Type: GrantFiled: July 6, 2016Date of Patent: April 16, 2019Assignee: MORPHO DETECTION, LLCInventor: Samit Kumar Basu
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Patent number: 10182777Abstract: A gantry rail for a gantry computed tomography (CT) system includes a secondary side of a rotary transformer and an annular body having an annular rolling surface and an annular slip ring surface. The annular body is aligned orthogonal to a longitudinal axis of the gantry CT system. The annular rolling surface has a normal vector that extends radially outward and orthogonal to the longitudinal axis. The annular slip ring surface defines a plane orthogonal to the longitudinal axis, and includes a slot disposed in the slip ring surface. The slot is configured to engage the secondary side of the rotary transformer.Type: GrantFiled: February 22, 2016Date of Patent: January 22, 2019Assignee: MORPHO DETECTION, LLCInventors: Anthony James Murch, Jared William Moore, Pedro Andres Garzon, Samit Kumar Basu
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Patent number: 10094950Abstract: A controller for detecting objects moving in a first direction in a computed tomography (CT) imaging system is provided. The controller is configured to detect objects by assembling a plurality of segments based on a plurality of CT imaging slices. In response to receiving a stop request, the controller is configured to detect objects by causing the CT imaging system to cease a flow of objects, discarding the one or more of the plurality of CT imaging slices associated with a first segment and a second segment of the plurality of segments, causing the CT imaging system to move the objects in a second direction for an interruption distance in which the second direction is opposite the first direction, causing the CT imaging system to move the objects in the first direction, and reassembling the first segment and the second segment.Type: GrantFiled: July 11, 2016Date of Patent: October 9, 2018Assignee: MORPHO DETECTION, LLCInventors: Steven Leslie Hills, Samit Kumar Basu
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Patent number: 10076294Abstract: A computed tomography (CT) gantry system is described herein. The CT gantry system includes a frame, a plurality of support wheels rotatably coupled to the frame, and a gantry resting upon the plurality of support wheels. In some embodiments, the gantry includes two gantry rings, and a cross member extending between the two gantry rings. In other embodiments, the gantry includes a first gantry ring, and a second gantry ring spaced apart from the first gantry ring in a direction parallel to an axis of rotation of the gantry. In some embodiments, the plurality of support wheels includes a plurality of front support wheels and a plurality of back support wheels. In some embodiments, the gantry includes a front gantry ring resting upon the front support wheels, a back gantry ring resting upon the back support wheels, and a cross member coupled between the front and back gantry rings.Type: GrantFiled: March 30, 2016Date of Patent: September 18, 2018Assignee: MORPHO DETECTION, LLCInventors: Samit Kumar Basu, Anthony James Murch, Jared William Moore, Pedro Andres Garzon
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Patent number: 10058293Abstract: A helical CT scanner for imaging an object is provided. The helical CT scanner includes an X-ray emitter configured to emit X-ray beams towards the object, and a detector array positioned opposite the X-ray emitter, the detector array including a plurality of discrete detector blocks arranged in a two-dimensional grid, each detector block including a plurality of pixels, wherein at least one first gap is defined between adjacent detector blocks in a first direction, and wherein at least one second gap is defined between adjacent detector blocks in a second direction. The helical CT scanner further includes a processing device communicatively coupled to said detector array, said processing device configured to reconstruct an image of the object based on image data acquired using said detector array.Type: GrantFiled: February 19, 2016Date of Patent: August 28, 2018Assignee: MORPHO DETECTION, LLCInventors: Samit Kumar Basu, Seungseok Oh, Pedro Andres Garzon
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Patent number: 10034361Abstract: A line-frequency rotary transformer is provided, including a primary core and a secondary core. The primary core is magnetically couplable to the secondary core. The primary core includes a first plurality of E-core steel laminates arranged in a first ring couplable to a stator. The primary core includes a primary winding disposed within the first ring and configured to transmit line-frequency AC power. The secondary core includes a second plurality of E-core steel laminates arranged in a second ring couplable to a gantry. The gantry is rotatably couplable to the stator. The secondary core includes a secondary winding disposed within the second ring and is configured to receive a line-frequency AC power induced in the secondary winding through the primary core and the secondary core by the primary winding.Type: GrantFiled: February 15, 2016Date of Patent: July 24, 2018Assignee: SMITHS DETECTION, LLCInventors: Erik E. Magnuson, Pedro Andres Garzon, Samit Kumar Basu
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Patent number: 10010296Abstract: A gantry assembly for use with an imaging system is provided. The gantry assembly includes an x-ray source and a modular detector assembly that includes a plurality of selectively removable detector modules. A first detector module of the plurality of detector modules is mounted at a first distance from the x-ray source and a second detector module of the plurality of detector modules is mounted at a second distance from the x-ray source. The first distance is different from the second distance. The gantry assembly is configured to image objects using both a first field of view and a second field of view that is larger than the first field of view.Type: GrantFiled: December 30, 2014Date of Patent: July 3, 2018Assignee: Morpho Detection, LLCInventor: Samit Kumar Basu
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Publication number: 20180014016Abstract: A compression device for compressing image data generated by a computed tomography (CT) imaging system is described herein. The compression device is configured to compress the image data by implementing a method including receiving image data from the CT imaging system and requantizing the image data in a square root domain. The method further includes identifying a group of projections (GOP) in the image data, including a first projection and a plurality of subsequent projections, and performing spatial-delta encoding on the first projection and temporal-delta encoding on each of the plurality of subsequent projections. The method also includes identifying a signed value in the GOP, and converting the signed value to an unsigned value. The method further includes entropy coding the image data in the GOP, and packetizing the GOP for transmission or storage.Type: ApplicationFiled: July 6, 2016Publication date: January 11, 2018Inventor: Samit Kumar Basu
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Publication number: 20180011214Abstract: A controller for detecting objects moving in a first direction in a computed tomography (CT) imaging system is provided. The controller is configured to detect objects by assembling a plurality of segments based on a plurality of CT imaging slices. In response to receiving a stop request, the controller is configured to detect objects by causing the CT imaging system to cease a flow of objects, discarding the one or more of the plurality of CT imaging slices associated with a first segment and a second segment of the plurality of segments, causing the CT imaging system to move the objects in a second direction for an interruption distance in which the second direction is opposite the first direction, causing the CT imaging system to move the objects in the first direction, and reassembling the first segment and the second segment.Type: ApplicationFiled: July 11, 2016Publication date: January 11, 2018Inventors: Steven Leslie Hills, Samit Kumar Basu
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Publication number: 20170365074Abstract: A luggage detection device is configured to detect luggage by generating computed tomography (CT) imaging slices. For each of the CT imaging slices, the luggage detection device is configured to identify at least one region within the CT imaging slice for removal based on at least one predefined rule, to remove pixel data associated with the at least one identified region within the CT imaging slice, to generate a pixel count representing a number of pixels in the modified CT imaging slice that include a value above a threshold pixel value, and to generate an object indicator based on a determination that the generated pixel count is above a threshold pixel count. The luggage detection device is further configured to display at least one of the plurality of CT image slices based on the presence of the corresponding baggage indicator.Type: ApplicationFiled: June 21, 2016Publication date: December 21, 2017Inventor: Samit Kumar Basu
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Patent number: 9804290Abstract: A radiation detector is provided. The radiation detector includes an outer casing, at least one first detector disposed within said outer casing, the at least one first detector configured to primarily detect gamma ray radiation, at least one second detector disposed within the outer casing, the at least one second detector configured to primarily detect neutron radiation, and a computing device disposed within the outer casing and communicatively coupled to the at least one first detector and the at least one second detector. The computing device is configured to receive first data from the at least one first detector, receive second data from the at least one second detector, determine a number of neutrons and gamma rays detected based on the first and second data, and determine a detected energy spectrum based on the first and second data.Type: GrantFiled: March 28, 2014Date of Patent: October 31, 2017Assignee: Morpho Detection, LLCInventors: Brian Lee Bures, Samit Kumar Basu
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Publication number: 20170307765Abstract: A detector assembly for a CT imaging system is provided. The detector assembly including a scintillator block including a plurality of pixels, each pixel configured to receive x-ray beams travelling in a transmission direction, a plurality of photodiodes, and a light guide coupled between the scintillator block and the plurality of photodiodes, the light guide including a plurality of light pipes, each light pipe configured to guide light emitted from a pixel of the plurality of pixels into an associated photodiode of the plurality of photodiodes, wherein each pixel has a first cross-sectional area that is substantially perpendicular to the transmission direction, wherein each photodiode has a second cross-sectional area that is substantially perpendicular to the transmission direction, and wherein the first cross-sectional area is different from the second cross-sectional area.Type: ApplicationFiled: April 25, 2016Publication date: October 26, 2017Inventors: Brian Lee Bures, Samit Kumar Basu
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Publication number: 20170281105Abstract: A computed tomography (CT) gantry system is described herein. The CT gantry system includes a frame, a plurality of support wheels rotatably coupled to the frame, and a gantry resting upon the plurality of support wheels. In some embodiments, the gantry includes two gantry rings, and a cross member extending between the two gantry rings. In other embodiments, the gantry includes a first gantry ring, and a second gantry ring spaced apart from the first gantry ring in a direction parallel to an axis of rotation of the gantry. In some embodiments, the plurality of support wheels includes a plurality of front support wheels and a plurality of back support wheels. In some embodiments, the gantry includes a front gantry ring resting upon the front support wheels, a back gantry ring resting upon the back support wheels, and a cross member coupled between the front and back gantry rings.Type: ApplicationFiled: March 30, 2016Publication date: October 5, 2017Inventors: Samit Kumar Basu, Anthony James Murch, Jared William Moore, Pedro Andres Garzon
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Publication number: 20170238886Abstract: A helical CT scanner for imaging an object is provided. The helical CT scanner includes an X-ray emitter configured to emit X-ray beams towards the object, and a detector array positioned opposite the X-ray emitter, the detector array including a plurality of discrete detector blocks arranged in a two-dimensional grid, each detector block including a plurality of pixels, wherein at least one first gap is defined between adjacent detector blocks in a first direction, and wherein at least one second gap is defined between adjacent detector blocks in a second direction. The helical CT scanner further includes a processing device communicatively coupled to said detector array, said processing device configured to reconstruct an image of the object based on image data acquired using said detector array.Type: ApplicationFiled: February 19, 2016Publication date: August 24, 2017Inventors: Samit Kumar Basu, Seungseok Oh, Pedro Andres Garzon
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Publication number: 20170238889Abstract: A gantry rail for a gantry computed tomography (CT) system includes a secondary side of a rotary transformer and an annular body having an annular rolling surface and an annular slip ring surface. The annular body is aligned orthogonal to a longitudinal axis of the gantry CT system. The annular rolling surface has a normal vector that extends radially outward and orthogonal to the longitudinal axis. The annular slip ring surface defines a plane orthogonal to the longitudinal axis, and includes a slot disposed in the slip ring surface. The slot is configured to engage the secondary side of the rotary transformer.Type: ApplicationFiled: February 22, 2016Publication date: August 24, 2017Inventors: Anthony James Murch, Jared William Moore, Pedro Andres Garzon, Samit Kumar Basu
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Publication number: 20170238405Abstract: A line-frequency rotary transformer is provided, including a primary core and a secondary core. The primary core is magnetically couplable to the secondary core. The primary core includes a first plurality of E-core steel laminates arranged in a first ring couplable to a stator. The primary core includes a primary winding disposed within the first ring and configured to transmit line-frequency AC power. The secondary core includes a second plurality of E-core steel laminates arranged in a second ring couplable to a gantry. The gantry is rotatably couplable to the stator. The secondary core includes a secondary winding disposed within the second ring and is configured to receive a line-frequency AC power induced in the secondary winding through the primary core and the secondary core by the primary winding.Type: ApplicationFiled: February 15, 2016Publication date: August 17, 2017Inventors: Erik E. Magnuson, Pedro Andres Garzon, Samit Kumar Basu
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Patent number: 9618462Abstract: An X-ray CT scanner for imaging an object is provided. The scanner includes an X-ray emitter configured to emit X-ray beams, a detector array including a plurality of detector elements, and a precollimator positioned between the X-ray emitter and the object, the precollimator configured to prevent the emitted X-ray beams from being directly incident on a first subset of the plurality of detector elements, and allow the emitted X-ray beams to be directly incident on a second subset of said plurality of detector elements. A processing device communicatively coupled to the detector array is configured to determine a signature of the object based on a first set of data acquired using the first subset of the plurality of detector elements, and tomographically reconstruct an image of the object based on a second set of data acquired using the second subset of said plurality of detector elements.Type: GrantFiled: December 16, 2014Date of Patent: April 11, 2017Assignee: MORPHO DETECTION, LLCInventors: Sondre Skatter, Samit Kumar Basu
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Publication number: 20160370493Abstract: A radiation detector is provided. The radiation detector includes an outer casing, at least one first detector disposed within said outer casing, the at least one first detector configured to primarily detect gamma ray radiation, at least one second detector disposed within the outer casing, the at least one second detector configured to primarily detect neutron radiation, and a computing device disposed within the outer casing and communicatively coupled to the at least one first detector and the at least one second detector. The computing device is configured to receive first data from the at least one first detector, receive second data from the at least one second detector, determine a number of neutrons and gamma rays detected based on the first and second data, and determine a detected energy spectrum based on the first and second data.Type: ApplicationFiled: March 28, 2014Publication date: December 22, 2016Applicant: Morpho Detection, LLCInventors: Brian Lee Bures, Samit Kumar Basu