CN111751896A - Three-dimensional display method for security inspection result - Google Patents
Three-dimensional display method for security inspection result Download PDFInfo
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- CN111751896A CN111751896A CN201910259056.1A CN201910259056A CN111751896A CN 111751896 A CN111751896 A CN 111751896A CN 201910259056 A CN201910259056 A CN 201910259056A CN 111751896 A CN111751896 A CN 111751896A
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- security inspection
- contraband
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Abstract
The invention discloses a three-dimensional display method of a security inspection result, which comprises a security inspection door and a security inspection information processing terminal, wherein a classified and graded contraband detection system is arranged in the security inspection door, a detected person obtains detection data information through detection of the security inspection door and uploads the detection data information to the security inspection information processing terminal, the terminal processes and calculates the detection data information of the detected person, the contraband carried by the detected person is displayed by a three-dimensional dynamic image, and the size, shape, material or type of the contraband can be visually checked and judged. Meanwhile, the positions of the bodies of detected personnel where the contraband is located are marked, so that the detection quality and the detection efficiency of the security personnel are greatly improved.
Description
Technical Field
The invention relates to a security inspection method, in particular to a three-dimensional display method for a security inspection result.
Background
At present at airport, station, the court, the government building, the place that needs carry out safety inspection such as prison all is equipped with the security check door mostly, carry out the security check to passerby through the security check door, whether current security check door generally can only detect out on one's body has forbidden articles, and the display mode generally with light, sound or two-dimensional module image show, hardly judge the type of forbidden articles directly perceivedly, size and forbidden articles are at the position of people's health, need the manual work to carry out the secondary and confirm, there is more inconvenience to the security check work, greatly reduced the efficiency of security check, the delay nature of security check has been increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a three-dimensional display method for a security inspection result, which is convenient for individual visual observation and judgment of the size, material or type of an article so as to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme: three-dimensional display method for security inspection result
And the door plates on the two sides of the security inspection door are provided with a transmitting coil and a plurality of groups of receiving coils with different heights and uniform distribution. An alternating electrical signal is applied to the transmitting coil, so that a uniform magnetic field is generated between the two door panels. When a person passing through the receiving coil passes through the receiving coil, the receiving coil induces a secondary field excited by eddy current generated by the metal in the alternating magnetic field to generate an electric signal, and the electric signal comprises a phase signal representing the type of the metal material and an amplitude signal representing the volume of the metal. And infrared probes are respectively arranged at the entrance and the exit of the security door channel and are used for triggering the start and the end of one-time traffic data acquisition.
Firstly, a detected person passes through a security inspection door, an infrared probe at an entrance is triggered, a data acquisition module starts to acquire passing data, and when the detected person leaves the security inspection door, the data acquisition module finishes data acquisition due to the fact that the infrared probe at the exit is triggered, so that a complete passing data string of the detected person is acquired.
And step two, the control system in the security check door analyzes the data, including analyzing the phase data and the amplitude data of all the coils, and judging the material and the possible article types of the metal articles according to a certain rule. Such as a pressure gas tank made of tinplate, a pipe cutter made of manganese steel alloy steel, a mobile phone made of copper-aluminum mixture, and the like.
And thirdly, analyzing the data by a height detection unit in the security check door, respectively comparing and judging the maximum values of the amplitude values of the coils of the door plates on the two sides, and respectively finding out the coil positions of the articles made of different materials in the height direction of the side plate of the door, thereby judging the height position of the article in the human body.
Analyzing the data by a left detection unit and a right detection unit in the security check door, and respectively comparing and judging the maximum values of the amplitude values of the two coils of the door panels on the left side and the right side of the height position: a. when the amplitude of one side is far larger than that of the other side, the article is close to the side with the larger amplitude; b. when the amplitudes of the two sides are equal, the metal object is close to the door plates of the two sides, and the object is in the middle of the body; c. and simultaneously, the size of the article in the corresponding position and the range of the affected coil are analyzed, so that the size of the article can be judged. By this step, it is possible to determine whether the article is in a lateral position of the body-near the left side or near the right side or in the middle of the body, and the size of the article.
And fifthly, analyzing the data by a front and rear detection unit in the security check door, and analyzing the positions of the maximum amplitude value acquired in one pass before and after the whole data string. The front-back relation of the maximum value of the metal amplitude represents the front-back position relation of the metal in the human body, for example, when a metal object is placed in the front of the human body and passes through a security inspection door, firstly, the information of the metal object is collected, and secondly, the information of the human body is collected, and the metal information is in the front of the data string; when the metal object is placed at the back of the body, firstly, the collected information is the information of the human body, and secondly, the metal information is the metal information which is at the back of the data string; when a metal object is placed in the middle of the body (on both sides of the body, under the armpits, inside the thighs, etc.), the metal information is in the middle of the data string. Thereby determining the front and rear positions of the article on the human body.
And step six, the classified and graded contraband detection subsystem marks the article type and position information on the three-dimensional human body model and displays the article type and position information on a display.
As a preferred technical scheme of the invention, the security inspection door consists of a classification and classification detection system, a contraband high-low position detection unit, a left-right position detection unit and a front-back position detection unit, and sends a detection result and detection data to a security inspection information processing terminal;
as a preferred technical solution of the present invention, the security inspection information processing terminal calculates and processes the acquired data, and determines whether the security inspection information processing terminal carries contraband and the size or shape of the article.
As a preferred technical solution of the present invention, when the security information processing terminal detects contraband, a three-dimensional dynamic map of the contraband is displayed on the display, and the position of the contraband on the body of the detected person is marked.
As a preferred technical solution of the present invention, the high-low detection unit is mainly used for measuring the height of the contraband from the ground.
As a preferred technical solution of the present invention, the left and right position detecting unit is mainly used for measuring specific left and right positions of the contraband at the center of the security door.
As a preferred technical solution of the present invention, the front-back position detecting unit is used for calculating the front-back positions of the contraband on the body of the detected person.
As a preferred technical solution of the present invention, the three-dimensional dynamic map of contraband may be a three-dimensional rotation map or a three-dimensional animation map, and the shape, material or type of the contraband may be visually checked and judged.
As a preferable technical scheme of the invention, the three-dimensional dynamic graph can simultaneously display a three-dimensional dynamic human body model and mark the position of the contraband on the detected person.
Compared with the prior art, the invention has the beneficial effects that: according to the three-dimensional display method for the security check result, a classified and classified contraband detection system is arranged in a security check door, a detected person obtains detection data information through detection of the security check door and uploads the detection data information to a security check information processing terminal, the terminal processes and calculates the detection data information of the detected person, a three-dimensional dynamic image of the contraband carried by the detected person is displayed, and the size, shape, material or type of the contraband can be visually checked and judged. And simultaneously marking the position of the contraband on the body of the detected person. The invention greatly improves the detection quality and the detection efficiency of security personnel, has scientific and reasonable structure and safe and convenient use, and provides great help for security inspection. The method is also suitable for the security inspection of large-sized luggage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a schematic structure of a three-dimensional display method for security inspection results according to the present invention;
FIG. 2 is a functional schematic diagram of the security door of the present invention;
FIG. 3 is a diagram illustrating the display result of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a three-dimensional display method for a security inspection result comprises the following steps:
firstly, a detected person passes through a security inspection door, and the security inspection door acquires security inspection data information of the detected person;
step two, the obtained security check data information is transmitted to a security check information processing terminal, and the security check information processing terminal processes and calculates the security check data information;
when contraband or metal objects are detected, the display displays the contraband or the metal objects through three-dimensional animation and marks the positions of the contraband on the bodies of detected people;
the security inspection door consists of a classification and classification detection system, a contraband high-low level detection unit, a left-right level detection unit and a front-back level detection unit, and is mainly used for measuring specific positions of contraband or metal objects in the front, back, up, down, left and right of the center of the security inspection door and sending detection results and detection data to the security inspection information processing terminal;
and the security inspection information processing terminal calculates and processes the acquired data and judges whether the security inspection information processing terminal carries contraband or not.
When the security inspection information processing terminal detects the contraband, a three-dimensional dynamic graph of the contraband is displayed on the display, and meanwhile, the position of the contraband on the body of the detected person is marked.
And the high-low position detection unit is mainly used for measuring the height of the contraband from the ground.
And the left and right position detection unit is mainly used for measuring the specific left and right positions of the contraband in the center of the security inspection door.
The front and back position detection unit is used for calculating the positions of contraband articles in front and back of the body of the detected person.
The three-dimensional dynamic picture of the contraband can be a three-dimensional rotating picture or a three-dimensional cartoon picture, and the shape, the material or the type of the contraband can be visually checked and judged.
The three-dimensional dynamic graph can display a three-dimensional dynamic human body model and mark the position of the contraband on the detected person.
According to the three-dimensional display method for the security check result, a classified and classified contraband detection system is arranged in a security check door, a detected person obtains detection data information through detection of the security check door and uploads the detection data information to a security check information processing terminal, the terminal processes and calculates the detection data information of the detected person, a three-dimensional dynamic image of the contraband carried by the detected person is displayed, and the shape, the material or the type of the contraband can be visually checked and judged. The method is also suitable for the security inspection of large-sized luggage, greatly improves the detection quality and the detection efficiency of security inspection personnel, has scientific and reasonable structure and safe and convenient use, and provides great help for people.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A three-dimensional display method for a security inspection result is characterized by comprising the following steps:
firstly, a detected person passes through a security inspection door, and the security inspection door acquires security inspection data information of the detected person;
step two, the obtained security check data information is transmitted to a security check information processing terminal, and the security check information processing terminal processes and calculates the security check data information;
and step three, when the contraband is detected, the display displays the contraband in a three-dimensional animation and marks the position of the contraband on the body of the detected person.
2. The three-dimensional display method for the security inspection result according to claim 1, wherein the security inspection door comprises a classification detection system, a contraband high-low level detection unit, a front-back level detection unit and a left-right level detection unit, and the detection result and the detection data are sent to the security inspection information processing terminal.
3. The three-dimensional display method of the security inspection result according to claim 1, wherein the security inspection information processing terminal calculates and processes the acquired data to determine whether the security inspection information processing terminal carries contraband and the size or shape of the object.
4. The three-dimensional display method of the security inspection result according to claim 1, wherein when the security inspection information processing terminal detects the contraband, a three-dimensional dynamic graph of the contraband is displayed on the display, and the position of the contraband on the body of the detected person is marked.
5. The three-dimensional display method for the security inspection result according to claim 2, wherein the high-low detection unit is mainly used for measuring the height of the contraband from the ground.
6. The three-dimensional display method for the security inspection result according to claim 2, wherein the front and back detection unit is used for calculating the positions of the contraband in front and back of the detected person.
7. The three-dimensional display method for the security inspection result according to claim 2, wherein the left and right detection units are mainly used for measuring specific positions of the contraband on the left and right sides of the center of the security inspection door.
8. The three-dimensional display method for the security inspection result according to claim 4, wherein the three-dimensional dynamic map of the contraband can be a three-dimensional rotation map, a three-dimensional animation map or a three-dimensional perspective map, and the shape, material or type of the contraband can be visually checked and judged.
9. The three-dimensional display method for the security inspection result according to claim 4, wherein the three-dimensional dynamic graph can simultaneously display a three-dimensional dynamic human body model and indicate the position of the contraband on the detected person.
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| CN201910259056.1A CN111751896A (en) | 2019-03-27 | 2019-03-27 | Three-dimensional display method for security inspection result |
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| CN201910259056.1A CN111751896A (en) | 2019-03-27 | 2019-03-27 | Three-dimensional display method for security inspection result |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138423A (en) * | 2021-03-12 | 2021-07-20 | 中国科学院信息工程研究所 | Metal detection method and device |
| CN113156522A (en) * | 2021-03-12 | 2021-07-23 | 中国科学院信息工程研究所 | Safety detection method and device based on door frame detection |
| CN113537343A (en) * | 2021-07-14 | 2021-10-22 | 厦门熵基科技有限公司 | Metal classification method, device, equipment and storage medium |
| CN113628370A (en) * | 2021-08-05 | 2021-11-09 | 国家核安保技术中心 | Intelligent protection channel control system for electronic equipment |
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