CN111541871A - Public security interrogation room monitoring system - Google Patents
Public security interrogation room monitoring system Download PDFInfo
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- CN111541871A CN111541871A CN202010280156.5A CN202010280156A CN111541871A CN 111541871 A CN111541871 A CN 111541871A CN 202010280156 A CN202010280156 A CN 202010280156A CN 111541871 A CN111541871 A CN 111541871A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/164—Lie detection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6832—Means for maintaining contact with the body using adhesives
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Abstract
The invention relates to the technical field of monitoring systems, in particular to a public security interrogation room monitoring system which comprises a central machine room and an interrogation room, wherein a front-end monitoring device, an auxiliary monitoring device, an interrogation client and a head-mounted device are arranged in the interrogation room, the auxiliary monitoring device comprises an environment monitoring device and a physiological monitoring device, the environment monitoring device comprises a standard clock, a temperature sensor, a humidity sensor and a light intensity sensor, the physiological monitoring device comprises a photoelectric cardiotachometer and an eyeball tracking camera, and the light intensity sensor and the photoelectric cardiotachometer are both arranged in the head-mounted device. According to the invention, the environment time, the temperature and the humidity and the illumination intensity in the interrogation room are monitored by the environment monitoring equipment, so that criminal forcing is prevented, video evidence can be taken out for coping when a suspect turns over, the heart rate and the eyeball action of the suspect are detected by the photoelectric heart rate meter and the eyeball tracking camera through the physiological monitoring equipment, whether the suspect lies or not is judged, and the interrogation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of monitoring systems, in particular to a public security interrogation room monitoring system.
Background
In recent years, the turnover of post crime cases is on the rise, and a plurality of defendees choose to change or turnover the oral supply in the investigation stage in the court trial stage; or some defendees indicate in court trial that the supply in the investigation stage is mostly caused by criminal information during inquiry, so that the court trial is embarrassed, and the case trial of judicial authorities is hindered. In addition, some criminal suspects have unexpected death events during the guard period of the guard house or the security police, audio and video data on the spot are not taken as evidences after the accident, so that the criminal suspects attract strong attention of the society and also have very adverse effects on the images of the judicial departments such as the public security, the inspection institute, the court and the like.
The existing trial mainly depends on the case handling experience of trial personnel, intelligent trial cannot be achieved, the trial efficiency is low, and the misjudgment rate is high. In addition, the existing public security interrogation room monitoring system cannot monitor physiological characteristics and micro expressions of suspects, is not easy to break the interrogation impassence and is not beneficial to interrogation development.
Disclosure of Invention
In order to solve the technical problems, the invention provides a public security interrogation room monitoring system to prevent the occurrence of copy-over, judge whether a suspect lies or not and improve interrogation efficiency.
In order to achieve the purpose, the technical scheme of the invention is as follows: a public security interrogation room monitoring system comprises a central machine room and an interrogation room, wherein a monitoring server, a switch, a voice recognition server, a high-definition decoder, a television wall and a recorder are arranged in the central machine room, the monitoring service is in communication connection with the switch, a front-end monitoring device, an auxiliary monitoring device, an interrogation client and a head-mounted device are arranged in the interrogation room, the front-end monitoring device comprises a monitoring device and a pickup, the monitoring device and the pickup are both in communication connection with the switch and are in communication connection with the high-definition decoder, the output end of the high-definition decoder is electrically connected with the input end of the television wall, the pickup is in communication connection with the voice recognition server, the auxiliary monitoring device comprises an environment monitoring device and a physiological monitoring device, the environment monitoring device comprises a standard clock, a temperature sensor, a humidity sensor and a light intensity sensor, physiological monitoring equipment includes that photoelectric cardiotachometer and eyeball track the camera, place in light intensity sensor and photoelectric cardiotachometer in the head-mounted apparatus, standard clock, temperature sensor, humidity transducer, light intensity sensor, photoelectric cardiotachometer and eyeball track the camera all with interrogation customer end communication connection, interrogation customer end and switch communication connection.
Preferably, the monitoring server comprises a management server and a storage server, the management server selects a MG-VS300J-512 central management server, and the storage server supports disk array expansion and cloud storage service expansion.
Preferably, the monitoring device comprises a close-up network camera and a panoramic network camera, the output interface of the close-up network camera and the output interface of the panoramic network camera are selected from one or more of an ethernet interface, an RJ45 interface, a radio frequency wireless interface and an optical fiber interface, and the power supply modes of the close-up network camera and the panoramic network camera both support POE.
Preferably, the environment monitoring equipment comprises a display screen, the display screen is an LED monochromatic display screen, and the display screen is in communication connection with a standard clock, a temperature sensor and a humidity sensor.
Preferably, head-mounted equipment chooses for use the hair band, and this hair band selection has elastic double-deck cotton-flax to weave and forms the ring shape, and sends out the internal polymer lithium cell that has of taking, polymer lithium cell power supply is used for photoelectricity cardiotachometer and light intensity sensor energy supply.
Preferably, the photoelectric heart rate meter includes photodiode, simulation front end AFE4490 and chip STM32L151, photodiode is fixed in the head-mounted apparatus inboard, and photodiode laminating in suspect temple, and photodiode are used for converting suspect temple blood volume change into the photocurrent, simulation front end AFE4490 is used for converting the photocurrent into pulse signal, and chip STM32L151 is used for handling pulse signal and carries the interrogation client.
Preferably, the light intensity sensor comprises a digital light intensity sensor GY-30 module and a wireless chip JN5139, the light intensity sensor GY-30 module is used for converting the illumination intensity value into a voltage value, the wireless chip JN5139 processes the voltage value to form light intensity data and transmits an interrogation client, the light intensity sensor is fixed on the outer side of the head-mounted device, and the light intensity sensor is located right in front of the center of the forehead of the suspect.
Preferably, a capacitive eyeball tracking sensor is arranged in the eyeball tracking camera and used for actively projecting infrared rays to the iris of the suspect and detecting the change of the iris angle of the suspect.
Preferably, the voice recognition server is an AVST-X0408-SER128 voice recognition server.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the environment monitoring equipment is used for monitoring the environment time, the temperature and the humidity and the illumination intensity in the interrogation room, so that criminal forcing is prevented, video evidence can be taken out for coping when a suspect turns over, the heart rate and the eyeball action of the suspect are detected through the photoelectric heart rate meter and the eyeball tracking camera through the physiological monitoring equipment, whether the suspect lies or not is judged, the interrogation efficiency is improved, the system is high in intelligence, and the system is worthy of popularization and use;
2. head-mounted equipment chooses for use the hair band, and this hair band selection has elastic double-deck cotton-flax to weave and forms the ring shape, and the texture is soft, close skin nature is good, conveniently wears.
Drawings
FIG. 1 is a system block diagram 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a public security interrogation room monitoring system includes a central machine room and an interrogation room, wherein a monitoring server, a switch, a voice recognition server, a high definition decoder, a video wall and a recorder are disposed in the central machine room. The interrogation chamber is internally provided with a front-end monitoring device, an auxiliary monitoring device, an interrogation client and a head-mounted device, and the front-end monitoring device comprises a monitoring device and a sound pick-up. The auxiliary monitoring comprises an environment monitoring device and a physiological monitoring device, the environment monitoring device comprises a standard clock, a temperature sensor, a humidity sensor and a light intensity sensor, and the physiological monitoring device comprises a photoelectric cardiotachometer and an eyeball tracking camera.
The monitoring server comprises a management server and a storage server, wherein the management server selects an MG-VS300J-512 central management server, and the storage server supports disk array expansion and cloud storage service expansion. The management server is used for interacting and forwarding signaling and data among all devices in the system, managing user login authentication and access authority distribution in the system, and the storage server is used for storing initial operation environment parameters of the monitoring server and video data of the monitoring device.
The monitoring equipment comprises a close-up network camera and a panoramic network camera, one or more of an Ethernet interface, an RJ45 interface, a radio frequency wireless interface and an optical fiber interface are selected as an output interface of the close-up network camera and an output interface of the panoramic network camera, and the POEs are supported by the power supply modes of the close-up network camera and the panoramic network camera.
Monitoring service and switch communication connection, supervisory equipment and adapter all with switch communication connection to supervisory equipment and high definition decoder communication connection, high definition decoder's output electric connection video wall's input. The sound pick-up is in communication connection with a voice recognition server, the voice recognition server selects an AVST-X0408-SER128 voice recognition server produced by Shuntaiwei, and the voice recognition server is used for recognizing the audio signal transmitted by the sound pick-up and outputting the audio signal in a character mode. The light intensity sensor and the photoelectric heart rate meter are both arranged in the head-wearing equipment. Standard clock, temperature sensor, humidity transducer, light intensity sensor, photoelectric cardiotachometer and eyeball are tracked the camera and are all with interrogation client communication connection, interrogation client and switch communication connection.
The environment monitoring equipment further comprises a display screen, wherein the display screen is an LED monochromatic display screen and is in communication connection with a standard clock, a temperature sensor and a humidity sensor. The standard clock is directly calibrated by the computer or is synchronized with the computer time through an RS485 or Ethernet interface. The temperature sensor and the humidity sensor adopt a temperature and humidity sensor LCT2901DU with a USB interface, which is released by Long letter Internet of things company, support modbus protocol and are convenient for secondary development. Temperature sensor and humidity transducer are used for monitoring the indoor environment humiture of interrogation, and time and humiture can be caught by panorama internet protocol camera, can take notes in the video recording of interrogation room, prevent to deliberately increase the criminal news of lowering temperature isolied action and force the supply to can in time take out the evidence to deal with when suspect "turned over the supply".
A capacitive eyeball tracking sensor is arranged in the eyeball tracking camera and used for actively projecting infrared rays to the iris of a suspect and monitoring the eyeball action through the change of the angle of the iris of the suspect. The thinking way is slightly changed in psychological state when people lie and speak actually, and the changes are expressed by small actions of limb organs, and the small actions on eyes are more difficult to self-control than hands. Therefore, as long as sufficient detailed action information can be obtained, the small actions can be theoretically related to the lie state, so that the aim of observing the eyeball to finish lie detection is fulfilled. Eyeball action when lying is stored in the storage server to form 'big data', the eyeball tracks eyeball action of a suspect shot by the camera to form target data, the target data is conveyed to the storage server through the interrogation client and the switch in sequence through the network, the management server compares the data with the existing big data in the storage server to help the interrogation personnel to quickly judge whether the suspect lies, and therefore interrogation efficiency is improved.
Head-mounted equipment chooses for use the hair band, and this hair band selection has elastic double-deck cotton-flax to weave and forms the ring shape, and the texture is soft, close skin nature is good, conveniently wears to the hair band embeds has the polymer lithium cell, and the power supply of polymer lithium cell is used for being photoelectricity cardiotachometer and light intensity sensor energy supply.
Photoelectric cardiotachometer includes photodiode, simulation front end AFE4490 and chip STM32L151, and photodiode is fixed in the head-mounted apparatus inboard, sends out promptly and circles in, and guarantees that photodiode pastes in suspect's temple, and photodiode is used for converting suspect's temple blood volume change into the photocurrent, and simulation front end AFE4490 is used for converting the photocurrent into pulse signal, and chip STM32L151 is used for handling pulse signal and carries the interrogation client. The photoelectric heart rate meter is used for monitoring the heart rate of a suspect, continuously and reliably detecting the heart rate of the suspect in real time, and judging whether the things to be waited by a criminal are expressions of real meanings according to the change of the heart rate, such as: the heart rate of the suspect suddenly becomes fast, so that more suspicions can be raised for the fact that the suspect is handed over, and the true phase is excavated. The chip and the module that photoelectric heart rate meter chose for use accord with the low-power consumption principle, have advantages such as small, accuracy height, price/performance ratio height, have higher practical value in criminal interrogation field.
The light intensity sensor comprises a digital light intensity sensor GY-30 module and a wireless chip JN5139, the light intensity sensor GY-30 module is used for converting the illumination intensity value into a voltage value, the wireless chip JN5139 processes the voltage value to form light intensity data and transmits an interrogation client, the light intensity sensor is fixed on the outer side of the head-mounted device, namely the outer ring of the hair-emitting band, and the light intensity sensor is located right in front of the center of the forehead of the suspect. The light intensity sensor is used for monitoring the illumination intensity received by the suspect in the interrogation room, so that the criminal information forced supply without intentional strong light irradiation is ensured, and the light intensity data can be timely taken out of evidence for coping when the suspect turns over the supply.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A public security inquest room monitoring system is characterized in that: the system comprises a central machine room and an interrogation room, wherein a monitoring server, a switch, a voice recognition server, a high-definition decoder, a television wall and a recorder are arranged in the central machine room, the monitoring service is in communication connection with the switch, a front-end monitoring device, an auxiliary monitoring device, an interrogation client and a head-mounted device are arranged in the interrogation room, the front-end monitoring device comprises a monitoring device and a pickup, the monitoring device and the pickup are both in communication connection with the switch, the monitoring device is in communication connection with the high-definition decoder, the output end of the high-definition decoder is electrically connected with the input end of the television wall, the pickup is in communication connection with the voice recognition server, the auxiliary monitoring device comprises an environment monitoring device and a physiological monitoring device, the environment monitoring device comprises a standard clock, a temperature sensor, a humidity sensor and a light intensity sensor, the physiological monitoring device comprises a photoelectric heart rate meter and, the light intensity sensor and the photoelectric cardiotachometer are arranged in the head-wearing equipment, the standard clock, the temperature sensor, the humidity sensor, the light intensity sensor, the photoelectric cardiotachometer and the eyeball tracking camera are connected with the interrogation client side in a communication mode, and the interrogation client side is connected with the switch in a communication mode.
2. The public security inquiries room monitoring system of claim 1, wherein: the monitoring server comprises a management server and a storage server, wherein the management server selects an MG-VS300J-512 central management server, and the storage server supports disk array expansion and cloud storage service expansion.
3. The public security inquiries room monitoring system of claim 1, wherein: the monitoring equipment comprises a close-up network camera and a panoramic network camera, wherein one or more of an Ethernet interface, an RJ45 interface, a radio frequency wireless interface and an optical fiber interface are selected as an output interface of the close-up network camera and an output interface of the panoramic network camera, and POEs are supported by power supply modes of the close-up network camera and the panoramic network camera.
4. The public security inquiries room monitoring system of claim 1, wherein: the environment monitoring equipment comprises a display screen, wherein the display screen is an LED monochromatic display screen and is in communication connection with a standard clock, a temperature sensor and a humidity sensor.
5. The public security inquiries room monitoring system of claim 1, wherein: head-mounted equipment chooses for use the hair band, and this hair band selection has elastic double-deck cotton-flax to weave and forms the ring shape, and the hair band embeds has the polymer lithium cell, the power supply of polymer lithium cell is used for photoelectricity cardiotachometer and light intensity sensor energy supply.
6. The public security inquiries room monitoring system of claim 1, wherein: photoelectric cardiotachometer includes photodiode, simulation front end AFE4490 and chip STM32L151, photodiode is fixed in head-mounted apparatus inboard, and photodiode laminates in suspect temple, and photodiode is used for converting suspect temple blood volume change into the photocurrent, simulation front end AFE4490 is used for converting the photocurrent into pulse signal, and chip STM32L151 is used for handling pulse signal and carries the interrogation client.
7. The public security inquiries room monitoring system of claim 1, wherein: the light intensity sensor comprises a digital light intensity sensor GY-30 module and a wireless chip JN5139, the light intensity sensor GY-30 module is used for converting a light intensity value into a voltage value, the wireless chip JN5139 processes the voltage value to form light intensity data and transmits an interrogation client, the light intensity sensor is fixed on the outer side of the head-mounted equipment, and the light intensity sensor is positioned right in front of the center of the forehead of a suspect.
8. The public security inquiries room monitoring system of claim 1, wherein: capacitive eyeball tracking sensors are arranged in the eyeball tracking cameras and used for actively projecting infrared rays to irises of suspects and detecting changes of angles of the irises of the suspects.
9. The public security inquiries room monitoring system of claim 1, wherein: the voice recognition server selects AVST-X0408-SER128 voice recognition server.
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| CN202010280156.5A CN111541871A (en) | 2020-04-10 | 2020-04-10 | Public security interrogation room monitoring system |
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| CN202010280156.5A CN111541871A (en) | 2020-04-10 | 2020-04-10 | Public security interrogation room monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080969A (en) * | 2021-03-29 | 2021-07-09 | 济南大学 | Multi-mode feature-based lie detection data processing method and system |
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| CN102496005A (en) * | 2011-12-03 | 2012-06-13 | 辽宁科锐科技有限公司 | Eye characteristic-based trial auxiliary study and judging analysis system |
| US20140160432A1 (en) * | 2012-12-11 | 2014-06-12 | Elwha Llc | Self-Aligning Unobtrusive Active Eye Interrogation |
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| CN113080969B (en) * | 2021-03-29 | 2022-06-21 | 济南大学 | Multi-mode feature-based lie detection data processing method and system |
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