公开(公告)号：US10261212B2

公开(公告)日：2019-04-16

申请号：US14907325

申请日：2013-07-25

Applicant: ANALOGIC CORPORATION

Inventor： David Schafer ,  John P. O'Connor

IPC: G01V5/00 ,  G01N23/04 ,  G01N23/20 ,  G01N23/046

Abstract: A diffraction system configured to generate a diffraction signature based upon an angular disbursement of radiation is provided. In some embodiments, the diffraction system comprises a radiation source comprising a radiographic isotope configured to natural emit radiation due to decay. In some embodiment, the diffraction system is part of an object identification system that comprises one or more other radiation imaging modalities, such as a CT system and/or a line-scan system. By way of example, the one or more other radiation imaging modalities may perform an initial examination of an object to generate data indicative of the object. The data can be analyzed to identify an item of interest within the object, which can subsequently be examined by the diffraction system to generate a diffraction signature of the item. The diffraction signature of the item can be compared to known diffraction signatures of know items to characterize the item.

公开(公告)号：US20150260875A1

公开(公告)日：2015-09-17

申请号：US14440436

申请日：2012-11-02

Applicant: ANALOGIC CORPORATION

Inventor： David Schafer ,  Ram Naidu ,  Serge Savard

IPC: G01V5/00 ,  G01N23/04

CPC classification number: G01V5/005 ,  A61B6/032 ,  A61B6/4266 ,  G01N23/04 ,  G01N23/046 ,  G01V5/0008

Abstract: Among other things, radiation systems and techniques for generating volumetric data and projections images of an object(s) under examination are provided. The radiation system comprises at least two detector arrays and at least one radiation source. During an examination, the radiation source and at least one detector array are rotated about the object while a second detector array is substantially fixed in place. In one embodiment, the radiation source is configured to, at times, illuminate the first detector array and, at times, illuminate the second detector array. For example, the radiation source may illuminate the first detector array during nearly all of the rotation while the second detector array is merely illuminated at a single gantry rotation angle. Information generated by the second detector array may be utilized to yield volumetric data while information generated by the first detector array may be utilized to yield a projection image, for example.

Abstract translation: 其中包括用于产生检测对象的体积数据和投影图像的辐射系统和技术。 辐射系统包括至少两个检测器阵列和至少一个辐射源。 在检查期间，辐射源和至少一个检测器阵列围绕物体旋转，而第二检测器阵列基本固定就位。 在一个实施例中，辐射源被配置成有时照亮第一检测器阵列，并且有时照亮第二检测器阵列。 例如，辐射源可以在几乎所有旋转期间照亮第一检测器阵列，而第二检测器阵列仅以单个机架旋转角照射。 例如，由第二检测器阵列生成的信息可用于产生体数据，同时由第一检测器阵列产生的信息可用于产生投影图像。

公开(公告)号：US10921467B2

公开(公告)日：2021-02-16

申请号：US15705664

申请日：2017-09-15

Applicant: ANALOGIC CORPORATION

Inventor： Ruvin Deych ,  Vladan Ristanovic ,  David Schafer

IPC: G01T1/20 ,  G01T1/161 ,  H01L27/146 ,  G01N23/046

Abstract: A detector array is provided for detecting radiation photons. The detector array includes a phosphor screen that converts radiation photons into light energy. The detector array includes a photodiode array having a plurality of photodiodes that convert the light energy into electrical charge. A first photodiode of the plurality of photodiodes is spaced apart from a second photodiode of the plurality of photodiodes to define a non-detection region. The phosphor screen overlies the first photodiode, the second photodiode, and the non-detection region between the first photodiode and the second photodiode.

公开(公告)号：US20190244346A1

公开(公告)日：2019-08-08

申请号：US15890435

申请日：2018-02-07

Applicant: ANALOGIC CORPORATION

Inventor： David Schafer

IPC: G06T7/00 ,  G06T7/155 ,  G06T7/11

CPC classification number: G06T7/0012 ,  G06T7/11 ,  G06T7/155 ,  G06T2200/04 ,  G06T2207/10076 ,  G06T2207/10081

Abstract: Among other things, one or more systems and/or techniques for visually augmenting regions within images are provided herein. An image of an object, such as a bag, is segmented to identify an item (e.g., a metal gun barrel). Features of the item are extracted from voxels representing the item within the image (e.g., voxels within a first region), such as a size, shape, density, and orientation of the item. Response to the features of the item matching predefined features of a target item to detect, one or more additional regions are identified, such as a second region proximate to the first region based upon a location of the second region corresponding to where a connected part of the item (e.g., a plastic handle of the gun) is predicted to be located. The one or more regions are visually distinguished within the image from other regions (e.g., colored, highlighted, etc.).

公开(公告)号：US11087468B2

公开(公告)日：2021-08-10

申请号：US16342474

申请日：2016-10-19

Applicant: Analogic Corporation

Inventor： Sergey Simanovsky ,  David Schafer

IPC: G06T7/11 ,  G06T7/136 ,  G06T7/162 ,  G01N23/046 ,  G01V5/00 ,  G06K9/00 ,  G06K9/46

Abstract: Among other things, one or more systems and/or techniques for classifying an item disposed within an object are provided herein. A three-dimensional image of the object (e.g., a bag) is segmented into a set of item representations (e.g., laptop, thermos, etc.). An item is identified from the set of item representations based upon item features of the item, such as the laptop that could be used to conceal an item of interest such as an explosive. A region comprising a three-dimensional image of the item is divided into a set of sub-regions (e.g., a first sub-region encompassing a screen, a second sub-region encompassing a motherboard, etc.). The item is classified as a potential first type of item (e.g., an explosive laptop) when any sub-region has a number of voxels, with computed tomography (CT) values within a range of known CT values for a first type of item, exceeding a threshold.

公开(公告)号：US20140376692A1

公开(公告)日：2014-12-25

申请号：US13926106

申请日：2013-06-25

Applicant: Analogic Corporation

Inventor： David Schafer ,  Eric Finck

IPC: G01V5/00

CPC classification number: G01V5/0016 ,  G01N23/04 ,  G01N23/046 ,  G01V5/0008

Abstract: Among other things, an object scanner, such as an x-ray system, is provided, where the object scanner is configured to translate an object undergoing an examination along a non-linear path. For example, in some embodiments, an examination region of the object scanner is spatially offset, relative to an entry port and/or an exit port of the object scanner, such that there is little to no line of sight through the object scanner, from the entry port to the exit port. The non-linearity of the path is configured to reduce the possibility of radiation scatted by an object and/or by portions of the object scanner from escaping the examination region and exiting the object scanner via the entry port and/or the exit port.

Abstract translation: 除其他之外，还提供了诸如x射线系统的对象扫描器，其中对象扫描器被配置成沿着非线性路径平移正在进行检查的对象。 例如，在一些实施例中，对象扫描器的检查区域相对于物体扫描器的进入端口和/或出口端口在空间上偏移，使得通过物体扫描器几乎没有到任何视线， 入口到出口。 路径的非线性被配置为减少被物体和/或物体扫描器的一部分通过入口端口和/或出口离开检查区域并离开物体扫描器的可能性。

公开(公告)号：US20240102948A1

公开(公告)日：2024-03-28

申请号：US18472860

申请日：2023-09-22

Applicant: Analogic Corporation

Inventor： Steven Urchuk ,  Steven Weed ,  David Schafer

IPC: G01N23/083 ,  G01G11/04 ,  G01N23/046

CPC classification number: G01N23/083 ,  G01G11/04 ,  G01N23/046 ,  G01N2223/643

Abstract: A method may include generating, via radiation, an image representing an object; determining physical properties of the object; and associating determined physical properties of the object with one or more of: the image generated by the X-ray scanner system, a segmented image from the image generated by the X-ray scanner system, or a passenger identifier.

公开(公告)号：US10527738B2

公开(公告)日：2020-01-07

申请号：US15527024

申请日：2014-11-17

Applicant: Analogic Corporation

Inventor： Hans J. Weedon ,  David Schafer ,  Peter Daniel Shippen

IPC: G01N23/00 ,  G01T1/36 ,  G01T1/20 ,  G01N23/04 ,  H01L27/146

Abstract: A detector array (118) for a radiation system includes first and second detector cells (202, 250). The first detector cell (202) includes a first scintillator (220) that converts a radiation photon (226) impinging the first scintillator (220) into first light energy (230), and a first solar cell (212) that converts the first light energy (230) into first electrical energy. The second detector cell (250) includes a second scintillator (270) that converts a radiation photon (276) impinging the second scintillator (270) into second light energy (280). The first scintillator (220) includes a first detection surface (224) through which the radiation photon (226) impinging the first scintillator (220) enters the first scintillator (220). The second scintillator (270) includes a second detection surface (274) through which the radiation photon (276) impinging the second scintillator (270) enters the second scintillator (270). The second detection surface (274) is substantially parallel to the first detection surface (224) and the second detection surface (274) is not coplanar with the first detection surface (224).

公开(公告)号：US20190265383A1

公开(公告)日：2019-08-29

申请号：US16287478

申请日：2019-02-27

Applicant: Analogic Corporation

Inventor： David Schafer ,  John P. O'Connor

IPC: G01V5/00 ,  G01N23/20 ,  G01N23/046

Abstract: A diffraction system configured to generate a diffraction signature based upon an angular disbursement of radiation is provided. In some embodiments, the diffraction system comprises a radiation source comprising a radiographic isotope configured to natural emit radiation due to decay. In some embodiment, the diffraction system is part of an object identification system that comprises one or more other radiation imaging modalities, such as a CT system and/or a line-scan system. By way of example, the one or more other radiation imaging modalities may perform an initial examination of an object to generate data indicative of the object. The data can be analyzed to identify an item of interest within the object, which can subsequently be examined by the diffraction system to generate a diffraction signature of the item. The diffraction signature of the item can be compared to known diffraction signatures of known items to characterize the item.

公开(公告)号：US20190259160A1

公开(公告)日：2019-08-22

申请号：US16342474

申请日：2016-10-19

Applicant: Analogic Corporation

Inventor： Sergey Simanovsky ,  David Schafer

IPC: G06T7/11 ,  G01V5/00 ,  G01N23/046 ,  G06K9/00 ,  G06T7/162 ,  G06T7/136

Abstract: Among other things, one or more systems and/or techniques for classifying an item disposed within an object are provided herein. A three-dimensional image of the object (e.g., a bag) is segmented into a set of item representations (e.g., laptop, thermos, etc.). An item is identified from the set of item representations based upon item features of the item, such as the laptop that could be used to conceal an item of interest such as an explosive. A region comprising a three-dimensional image of the item is divided into a set of sub-regions (e.g., a first sub-region encompassing a screen, a second sub-region encompassing a motherboard, etc.). The item is classified as a potential first type of item (e.g., an explosive laptop) when any sub-region has a number of voxels, with computed tomography (CT) values within a range of known CT values for a first type of item, exceeding a threshold.