KR20180009904A - Method and system of aviation security check - Google Patents

Method and system of aviation security check Download PDF

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Publication number
KR20180009904A
KR20180009904A KR1020160091795A KR20160091795A KR20180009904A KR 20180009904 A KR20180009904 A KR 20180009904A KR 1020160091795 A KR1020160091795 A KR 1020160091795A KR 20160091795 A KR20160091795 A KR 20160091795A KR 20180009904 A KR20180009904 A KR 20180009904A
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South Korea
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tunnel
image acquisition
explosive
explosive detection
passenger
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KR1020160091795A
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Korean (ko)
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장태효
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(주)젬스메디컬
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/043—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/36—Other airport installations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/643—Specific applications or type of materials object on conveyor

Abstract

A security system according to the present invention is connected to each of an image acquisition tunnel portion and an explosive detection tunnel portion so as to form one tunnel, and allows one conveyor to pass through the image acquisition tunnel portion and the explosive detection tunnel portion so as to enable a passengers objects to flow, wherein (a) the image acquisition tunnel portion includes a passenger object detection sensor, an optical camera, and an x-ray projection image acquisition device, wherein (b) the explosive detection tunnel portion is provided with an ion suctioning-type or an electromagnetic spectrum analysis-type explosion detection device.

Description

항공보안검색시스템 및 방법{METHOD AND SYSTEM OF AVIATION SECURITY CHECK}FIELD OF THE INVENTION [0001]

본 발명은 보안검색기술, 특히 항공 보안검색시스템에 관한 것이다. 본 발명은 하나의 검색대를 통과하면서 엑스레이 스캔은 물론 폭발물 검색까지도 비접촉식 방식으로 통합적으로 완료할 수 있는 획기적 보안검색기술을 제공한다. FIELD OF THE INVENTION The present invention relates to security retrieval techniques, and more particularly, to aviation security retrieval systems. The present invention provides an epoch-making security search technology capable of completing an x-ray scan as well as an explosive search in a non-contact manner while passing through one search zone.

항공 및 항공기 테러 위협과 승객의 안전을 위해, 항공 보안검색 또는 항공화물에 대한 검색기술의 진보가 요구되고 있다.For threats to air and aircraft terrorism and passenger safety, advances in aviation security search or search technology for air cargo are required.

승객이 칼, 권총 등과 같은 위해물품, 액체인화물질 또는 고체 폭발물이 반입되는 것을 방지하기 위하여, 엑스레이(x-ray) 장비와 폭발물 탐지기 등이 사용되고 있다. 도1은 항공에서 흔히 사용되는 엑스레이 검색대를 나타낸 도면이다. 종래기술은 엑스레이 검색대에 승객의 가방 등 소지품을 통과하게 하고, 보안요원이 엑스레이 이미지를 판독한 후 위해물질로 의심되는 경우 정밀수색에 들어간다.X-ray equipment and explosive detectors are used to prevent passengers from bringing in items such as knives, pistols, liquid flammables or solid explosives. FIG. 1 is a view showing an X-ray search band commonly used in aviation. The prior art allows passengers to carry their belongings, such as passengers' bags, to the x-ray search area, and when the security personnel reads the x-ray image, it enters the precise search if it is suspected to be a hazardous material.

또한, 액체인화물질로 의심되는 경우 도2에 도시한 BLS(bottled liquid scanner) 장비를 사용하여 폭발물인지 여부를 판단하며, 고체폭발물로 의심이 되는 경우에는 도3에 도시한 ETD(explosives trace detector)를 사용하여 판단한다. If suspected to be a liquid flammable substance, it is determined whether or not it is an explosive by using the BLS (bottled liquid scanner) apparatus shown in FIG. 2. If it is suspected to be a solid explosive, the explosive trace detector (ETD) .

그런데 종래기술은 엑스레이 검색대를 통과한 소지품에 대해 의심물품이 있는 경우, 의심물품을 끄집어 내거나 가방을 열어서 의심부위의 잔유물(residue)을 ETD 또는 BLS에 접촉함으로써 판단하는 방식에 의존하고 있어서 보안검색 시간이 오래 걸리고 작업이 단순하지 않다. However, the prior art relies on a method of judging the suspicious items by contacting the ETD or the BLS when suspicious items are present in the items that have passed through the X-ray search bar, opening suspicious items or opening the bag, It takes a long time and the task is not simple.

1. 대한민국 특허공개 제10-2015-0025470호.1. Korean Patent Publication No. 10-2015-0025470. 2. 대한민국 특허공개 제10-2013-0110856호.2. Korean Patent Publication No. 10-2013-0110856. 3. 대한민국 특허공개 제10-2014-0004084호.3. Korean Patent Publication No. 10-2014-0004084.

본 발명의 제1 목적은 투시 영상획득과 폭발물소지 여부 판단을 단 한 번에 일괄해서 수행할 수 있는 항공보안검색 시스템 및 방법을 제공하는 데 있다. A first object of the present invention is to provide an aviation security retrieval system and method capable of collecting perspective images and determining whether or not an explosive is present in a batch.

본 발명의 제2 목적은 상기 제1 목적에 부가하여, 항공검색대를 단 1회 통과하면서도 투시 영상획득과 폭발물소지 여부 판단을 할 수 있도록 하는 항공보안검색 시스템 및 방법을 제공하는 데 있다. A second object of the present invention is to provide an aviation security retrieval system and method that can acquire a perspective image and determine whether or not an explosive is present, while passing through the air navigation bar once only in addition to the first object.

본 발명에 따른 보안검색장치는, 영상획득 터널부와 폭발물 감지 터널부로 서로 연결되어 터널을 구성하고, 컨베이어가 상기 영상획득 터널부와 폭발물 감지터널부를 관통하여 승객물품을 흐르게 하고, (a) 상기 영상획득 터널부는, 승객물품 감지센서와, 광학 카메라 또는 엑스레이 투영이미지 획득장치를 구비하고, (b) 상기 폭발물 감지 터널부는 이온흡입방식 또는 전자파 스펙트럼 분석방식의 폭발물감지기를 구비하는 것을 특징으로 한다. The security search apparatus according to the present invention comprises a video acquisition tunnel unit and an explosive detection tunnel unit, which are connected to each other to constitute a tunnel, and the conveyor passes through the video acquisition tunnel unit and the explosive detection tunnel unit, The image acquisition tunnel unit includes a passenger object detection sensor and an optical camera or an X-ray projection image acquisition apparatus. (B) The explosive detection tunnel unit includes an explosion detector of an ion suction system or an electromagnetic spectrum analysis system.

또한, 본 발명은 영상획득 터널부와 폭발물 감지 터널부로 서로 연결되어 하나의 터널을 구성하고, 컨베이어가 상기 영상획득 터널부와 폭발물 감지터널부를 관통하여 승객물품을 흐르게 하는 보안검색장비를 구동하는 방법에 있어서, (a) 광학 영상을 획득해서 영상획득 터널부를 지나는 승객물품을 파악하는 단계; (b) 영상획득 터널부를 지나는 승객물품을 엑스레이로 스캔해서 투영데이터를 획득하고 이로부터 3차원 투영 이미지를 재건하는 단계; 및 (c) 폭발물 감지터널부를 지나는 승객물품에 대해 이온흡입방식 또는 전자파 스펙트럼 분석방식으로 폭발물 여부를 판단하는 단계를 포함하는 보안검색장치 구동방법을 제공한다.The present invention also relates to a method of driving a security search device that constitutes one tunnel connected to an image acquisition tunnel portion and an explosive detection tunnel portion and constitutes a tunnel and a conveyer passes through the image acquisition tunnel portion and the explosive detection tunnel portion, (A) acquiring an optical image and identifying a passenger item passing through the image acquisition tunnel section; (b) scanning the passenger item past the image acquisition tunnel section with an x-ray to obtain projection data and reconstructing a three-dimensional projection image therefrom; And (c) judging whether or not the explosive is an explosive by means of an ion suction method or an electromagnetic spectrum analysis method for a passenger item passing through the explosive detection tunnel portion.

본 발명에 따른 항공보안검색기술은 3차원 투시 영상획득과 폭발물소지 여부에 대한 판단을 단 한 번에 검색대 터널을 통과하게 함으로써, 일괄해서 검색시간을 단축 수행할 수 있는 장점이 있다. The aviation security search technology according to the present invention has an advantage that the search time can be shortened collectively by allowing the 3D perspective image acquisition and the determination as to whether or not the explosive possesses to pass through the search versus tunnel at a time.

도1은 종래기술에 따른 엑스레이 검색대를 나타낸 도면.
도2는 종래기술에 따른 액체인화물질 검색장치(BLS)를 나타낸 도면.
도3은 종래기술에 따른 고체폭발물 검색장치(ETD)를 나타낸 도면.
도4는 본 발명에 따른 항공보안검색대의 양호한 실시예를 나타낸 도면.
도5는 본 발명에 따른 항공보안검색방법의 일처리 흐름을 나타낸 도면.
도6은 본 발명의 양호한 실시예에 따라, 엑스레이 이미지를 획득하는 방법을 나타낸 일처리 흐름도.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing an X-ray search band according to the prior art;
Fig. 2 shows a device for searching for a liquid phosphorous material (BLS) according to the prior art; Fig.
3 shows a solid explosive detection device (ETD) according to the prior art;
4 shows a preferred embodiment of an aviation security search band according to the present invention.
5 is a diagram illustrating a process flow of an aviation security search method according to the present invention.
Figure 6 is a work flow diagram illustrating a method of obtaining an x-ray image, in accordance with a preferred embodiment of the present invention.

이하, 첨부도면 도4 내지 도7을 참조해서 본 발명에 따른 항공보안검색시스템 및 방법을 상세히 설명한다. Hereinafter, an aviation security search system and method according to the present invention will be described in detail with reference to FIGS. 4 to 7.

도4a, 도4b 및 도4c는 본 발명에 따른 항공보안검색대의 양호한 실시예를 나타낸 도면으로서, 각각 사시도와 측면도, 단면도를 나타낸 도면이다. 도4a, 도4b, 도4c를 참조하면, 본 발명에 따른 컨베이어 보안검색대는 영상획득 터널부(100)와 비접촉식 폭발물감지 터널부(200)로 구성되며, 영상획득 터널부(100)로 들어오는 승객물품(50)은 하나의 컨베이어(30) 구동방식으로 후속하는 비접촉식 폭발물감지 터널부(200)을 통과하게 된다. FIGS. 4A, 4B and 4C are views showing a preferred embodiment of an aviation security search band according to the present invention, which are respectively a perspective view, a side view, and a sectional view. FIG. 4A, 4B and 4C, the conveyor security search block according to the present invention comprises a video acquisition tunnel unit 100 and a non-contact explosive detection tunnel unit 200, The article 50 is passed through a subsequent non-contact explosive detection tunnel part 200 in a single conveyor 30 driving manner.

도5는 본 발명에 따른 항공보안검색방법의 일처리 흐름을 나타낸 도면이다. 도5를 참조하면, 승객물품(50)이 컨베이어에 올려져 영상획득 터널부(100) 속으로들어오면 포토센서가 승객물품(50)을 감지하고 엑스레이를 턴온한다. 제1 단계로 엑스스레이 스캔을 실시한다(단계 S1000). 이어서, 제2 단계로 스캔된 이미지를 바탕으로 3차원 입체형상을 복원하여 모니터에 디스플레이한다(단계 S2000). 5 is a flowchart illustrating a process of the aviation security search method according to the present invention. Referring to FIG. 5, when the passenger item 50 is placed on the conveyor and enters the image acquisition tunnel 100, the photosensor senses the passenger item 50 and turns on the X-ray. In the first step, an X-ray scan is performed (step S1000). Then, the three-dimensional solid shape is restored based on the scanned image in the second step and displayed on the monitor (step S2000).

다시 도5를 참조하면, 비접촉식 폭발물감지 터널부(200)로 들어온 승객물품(50)은 제3 단계(단계 S3000)로서 액체인화물질감지기(BLS)와 제4 단계(단계 S4000)로서 고체폭발물감지기(ETD)를 통과한다. 여기서, 제3단계와 제4단계는 그 순서를 뒤바꾸어 실시하여도 바람직하다.Referring again to FIG. 5, the passenger item 50 arriving at the non-contact explosive detection tunnel unit 200 receives the liquid explosive substance detector BLS as a third step (step S3000) and the fourth step (step S4000) (ETD). Here, the third and fourth steps may be carried out by reversing the order.

본 발명에 따라 폭발물감지 터널부(200)에 설치되는 폭발물감지기(ETD)는 이온흡입방식이 적용될 수 있다. 본 발명에 따른 이온흡입방식의 양호한 실시예로서 이온이동도분광기가 적용될 수 있다. 이온 이동도 분광기는 샘플링부와 이온화부, 이동도관 및 수집부로 구성되는데, 샘플링부로 흡입된 시료가스는 이온화부에서 방사성 동위원소에서 방출되는 이온화원에 의해 이온화된다. 이온화된 시료는 길이방향으로 전기장이 형성된 이동 도관에 유입되는데, 수집부를 향해 서로 다른 이동도를 가지고 이동하게 된다. The explosion detector (ETD) installed in the explosive detection tunnel unit 200 according to the present invention may be applied with an ion suction system. Ion mobility spectroscopy can be applied as a preferable embodiment of the ion suction method according to the present invention. The ion mobility spectrometer consists of a sampling section, an ionization section, a moving conduit, and a collection section. The sample gas aspirated into the sampling section is ionized by an ionization source which is emitted from the radioisotope in the ionization section. The ionized sample is introduced into a moving conduit in which the electric field is formed in the longitudinal direction, and moves with different mobility toward the collecting part.

여기서 수집부에 도달하는 이온의 양에 따라 전류량이 결정되므로, 검출전류의 크기로부터 환산 이동도를 연산하고 이로부터 분석시료가 무엇인지, 즉 폭발물 가스인지 여부를 분별한다.Here, since the amount of current is determined according to the amount of ions reaching the collecting part, the converted mobility is calculated from the magnitude of the detected current, and it is discriminated from the analytical sample, that is, whether it is an explosive gas.

본 발명에 따른 액체인화물질감지장치(BLS)의 양호한 실시예로서, 전자파 스펙트럼 분석방식이 적용될 수 있다. 전자파 스펙트럼 분석방식은 전자파 신호를 생성하여 탐지대상물에 전자파 신호를 조사하고, 탐지대상물로부터 유전율에 따라 다르게 반사된 반사신호를 분석하여 인화성 물질인지 여부를 판단한다. As a preferable embodiment of the liquid flammable material sensing apparatus (BLS) according to the present invention, an electromagnetic spectrum analysis method can be applied. The electromagnetic spectrum analyzing method generates an electromagnetic wave signal, irradiates an electromagnetic wave signal to the object to be detected, and analyzes the reflected signal reflected from the object to be detected differently according to the dielectric constant to determine whether or not the object is a flammable substance.

도6은 본 발명의 양호한 실시예에 따라, 엑스레이 이미지를 획득하는 방법을 나타낸 일처리 흐름도이다. Figure 6 is a work flow diagram illustrating a method of obtaining an x-ray image, in accordance with a preferred embodiment of the present invention.

도6을 참조하면, 컨베이어가 턴온되면(단계 S1001) 포토 센서는 승객물품이 들어오는 것을 감지한다(단계 S1002). 이어서, 영상획득 터널부(100)에 설치된 카메라는 승객물품을 촬영해서 광학 이미지를 캡처한다(단계 S1003).Referring to FIG. 6, when the conveyor is turned on (step S1001), the photosensor detects that the passenger item is received (step S1002). Then, the camera installed in the image acquisition tunnel unit 100 captures an image of the passenger and captures an optical image (step S1003).

그리고 나면, 엑스레이 소스가 켜지고 엑스레이 투영 이미지를 캡처한다(단계 S1004). 여기서, 광학이미지를 별도로 획득하는 이유는 여러 개의 승객가방이 연이어 들어오는 경우에, 문제의 엑스레이 영상에 대응된 승객 물품을 신속하게 파악하기 위함이다. Then, the x-ray source is turned on and captures an x-ray projection image (step S1004). Here, the reason for acquiring the optical image separately is to quickly grasp the passenger item corresponding to the problem x-ray image in the case where a plurality of passenger bags come in succession.

종래기술에 따르면, 엑스레이 투영 영상으로부터 의심되는 물품이 발견되어 해당 승객 가방을 끄집어내려 하더라도, 해당 엑스레이 투영 영상이 연이어 들어오는 가방 중 어느 가방에 대응되는지 분간하기가 어려워서 컨베이어를 뒤로 돌려 확인해야하는 등 번거로움이 있었다. 그러나 본 발명에 따른 보안검색장치는 엑스레이 투영장치 외에 광학 카메라를 구비함으로써 이러한 불편을 말끔히 해소한다. According to the related art, even if a suspicious item is found from the x-ray projection image and the passenger bag is taken out, it is difficult to distinguish which bag among the successive arriving bags the corresponding x-ray projection image corresponds to, . However, the security search apparatus according to the present invention eliminates the inconvenience by providing an optical camera in addition to the X-ray projection apparatus.

다시 도6을 참조하면, 본 발명은 항공보안검색대의 디스플레이 화면에 광학영상을 디스플레이하고(단계 S1005) 엑스레이 투시 영상도 디스플레이한다(단계 S1006). 마지막으로 승객물품이 영상획득 터널부(100)를 빠져나가는 것이 감지되면(단계 S1007), 엑스레이 소스가 턴오프 된다(단계 S1008).Referring again to FIG. 6, the present invention displays an optical image on a display screen of an aviation security search zone (step S1005) and also displays an x-ray perspective image (step S1006). Finally, when it is sensed that the passenger item exits the image acquisition tunnel unit 100 (step S1007), the x-ray source is turned off (step S1008).

전술한 내용은 후술할 발명의 특허청구범위를 더욱 잘 이해할 수 있도록 본 발명의 특징과 기술적 장점을 다소 폭넓게 개선하였다. 본 발명의 특허청구범위를 구성하는 부가적인 특징과 장점들이 이하에서 상술 될 것이다. 개시된 본 발명의 개념과 특정 실시예는 본 발명과 유사 목적을 수행하기 위한 다른 구조의 설계나 수정의 기본으로서 즉시 사용될 수 있음이 당해 기술 분야의 숙련된 사람들에 의해 인식되어야 한다. The foregoing has somewhat improved the features and technical advantages of the present invention in order to better understand the claims of the invention described below. Additional features and advantages that constitute the claims of the present invention will be described in detail below. It should be appreciated by those skilled in the art that the disclosed concepts and specific embodiments of the invention can be used immediately as a basis for designing or modifying other structures to accomplish the invention and similar purposes.

또한, 본 발명에서 개시된 발명 개념과 실시예가 본 발명의 동일 목적을 수행하기 위하여 다른 구조로 수정하거나 설계하기 위한 기초로서 당해 기술 분야의 숙련된 사람들에 의해 사용될 수 있을 것이다. 또한, 당해 기술 분야의 숙련된 사람에 의한 그와 같은 수정 또는 변경된 등가 구조는 특허 청구 범위에서 기술한 발명의 사상이나 범위를 벗어나지 않는 한도 내에서 다양한 진화, 치환 및 변경이 가능하다. In addition, the inventive concepts and embodiments disclosed herein may be used by those skilled in the art as a basis for modifying or designing other structures to accomplish the same purpose of the present invention. It will be apparent to those skilled in the art that various modifications, substitutions and alterations can be made hereto without departing from the spirit or scope of the invention as defined in the appended claims.

본 발명에 따른 항공보안검색기술은 3차원 투시 영상획득과 폭발물소지 여부에 대한 판단을 단 한 번에 검색대 터널을 통과하게 함으로써, 일괄해서 수행할 수 있는 장점이 있다. The aviation security search technology according to the present invention has an advantage that the acquisition of 3D perspective images and the determination of possession of explosives can be performed collectively by passing through a search-versus-tunnel at a time.

Claims (2)

보안검색 장치에 있어서, 상기 보안검색 장치는 영상획득 터널부와 폭발물 감지 터널부로 서로 연결되어 터널을 구성하고, 컨베이어가 상기 영상획득 터널부와 폭발물 감지터널부를 관통하여 승객물품을 흐르게 하고,
(a) 상기 영상획득 터널부는, 승객물품 감지센서와, 광학 카메라와 엑스레이 투영이미지 획득장치를 구비하고,
(b) 상기 폭발물 감지 터널부는 이온흡입방식 또는 전자파 스펙트럼 분석방식의 폭발물감지기를 구비하는 것을
특징으로 하는 보안검색장치. The security search apparatus according to claim 1, wherein the security search apparatus comprises a video acquisition tunnel unit and an explosive detection tunnel unit, which are connected to each other to form a tunnel, the conveyor passes the image acquisition tunnel unit and the explosive detection tunnel unit,
(a) the image acquisition tunnel section comprises a passenger object detection sensor, an optical camera and an x-ray projection image acquisition device,
(b) The explosive detection tunnel portion is provided with an explosion detector of an ion suction type or an electromagnetic spectrum analysis type
Characterized in that the security search device 영상획득 터널부와 폭발물 감지 터널부로 서로 연결되어 하나의 터널을 구성하고, 컨베이어가 상기 영상획득 터널부와 폭발물 감지터널부를 관통하여 승객물품을 흐르게 하는 보안검색장비를 구동하는 방법에 있어서,
(a) 광학 영상을 획득해서 영상획득 터널부를 지나는 승객물품을 파악하는 단계;
(b) 영상획득 터널부를 지나는 승객물품을 엑스레이로 스캔해서 투영데이터를 획득하고 이로부터 3차원 투영 이미지를 재건하는 단계; 및
(c) 폭발물 감지터널부를 지나는 승객물품에 대해 이온흡입방식 또는 전자파 스펙트럼 분석방식으로 폭발물 여부를 판단하는 단계
를 포함하는 보안검색장치 구동방법.A method for driving a security search device that connects a video acquisition tunnel and an explosive detection tunnel to form a tunnel, wherein a conveyor passes through the video acquisition tunnel and the explosive detection tunnel to pass a passenger item,
(a) acquiring an optical image and identifying a passenger item passing through the image acquisition tunnel section;
(b) scanning the passenger item past the image acquisition tunnel section with an x-ray to obtain projection data and reconstructing a three-dimensional projection image therefrom; And
(c) Determining whether or not an explosive is detected by the ion suction method or the electromagnetic spectrum analyzing method for the passenger item passing through the explosive detection tunnel portion
And transmitting the security search request to the security search apparatus.
KR1020160091795A 2016-07-20 2016-07-20 Method and system of aviation security check KR20180009904A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021030467A1 (en) * 2019-08-14 2021-02-18 Lawrence Livermore National Security, Llc Automatic threat recognition system and method using material disambiguation informed by physics in x-ray ct images of baggage
US11670036B2 (en) 2020-07-14 2023-06-06 Lawrence Livermore National Security, Llc System and method for identifying objects of interest in images based on likelihood map decluttering
KR20240034935A (en) 2022-09-07 2024-03-15 한국원자력연구원 Prevention and security devices and methods

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021030467A1 (en) * 2019-08-14 2021-02-18 Lawrence Livermore National Security, Llc Automatic threat recognition system and method using material disambiguation informed by physics in x-ray ct images of baggage
US11403765B2 (en) 2019-08-14 2022-08-02 Lawrence Livermore National Security, Llc Automatic threat recognition system and method using material disambiguation informed by physics in x-ray CT images of baggage
US11670036B2 (en) 2020-07-14 2023-06-06 Lawrence Livermore National Security, Llc System and method for identifying objects of interest in images based on likelihood map decluttering
KR20240034935A (en) 2022-09-07 2024-03-15 한국원자력연구원 Prevention and security devices and methods

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