CN112784654A - Detection system of infrared object detection equipment - Google Patents
Detection system of infrared object detection equipment Download PDFInfo
- Publication number
- CN112784654A CN112784654A CN201911093472.5A CN201911093472A CN112784654A CN 112784654 A CN112784654 A CN 112784654A CN 201911093472 A CN201911093472 A CN 201911093472A CN 112784654 A CN112784654 A CN 112784654A
- Authority
- CN
- China
- Prior art keywords
- infrared
- camera
- infrared camera
- imaging area
- detected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000003384 imaging method Methods 0.000 claims abstract description 41
- 230000008859 change Effects 0.000 claims abstract description 20
- 239000013589 supplement Substances 0.000 claims abstract description 15
- 230000001502 supplementing effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Studio Devices (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention provides a detection system of infrared object detection equipment, which comprises: an object to be measured; the infrared camera module is used for carrying out infrared camera shooting on an object in the detection process; the infrared light supplement lamp module is used for supplementing light to the infrared camera of the object to be detected; the display module is used for displaying the image of the object to be detected acquired by the common camera; the infrared camera imaging and grabbing module is used for cutting an imaging area of an object to be detected in the infrared camera, and the infrared light supplementing lamp flickers at a fixed frequency within a set time when the position of the object to be detected is adjusted so that the image of the object to be detected is the only image in the imaging area of the common camera, and grabs data in the imaging area of the infrared camera; and the calculation and comparison module is used for analyzing the brightness data change according to the acquired data, judging that the infrared light supplement lamp or the infrared camera of the equipment works normally if the brightness change in the set time is consistent with the flickering frequency of the infrared light supplement lamp, and otherwise judging that the equipment works abnormally.
Description
Technical Field
The invention relates to the technical field of identification, in particular to a detection system of infrared object detection equipment.
Background
With the continuous development of science and technology, particularly the development of computer vision technology, the identification technology is widely applied to various fields of information security, electronic authentication and the like, and the image feature extraction method has good identification performance. With the object recognition technology, the method is widely applied to the authentication occasions such as financial account opening, real-name authentication and the like. The security requirements of these application scenarios are very high. At present, infrared object detection is the main technology adopted for object identification. The existing infrared object detection is: and detecting whether the imaged human face is a real human face or not by utilizing the human face imaging information of the infrared fill-in light and the infrared camera. In the prior art, a common camera is a camera capable of sensing visible light of human naked eyes. The infrared camera is a camera capable of sensing infrared light. The infrared light supplement lamp is a light source capable of emitting infrared rays to irradiate an object.
However, in the prior art, the following disadvantages exist:
when the infrared light supplement lamp or the infrared camera of the device is maliciously shielded or damaged, the device can fail to detect objects or can detect the objects by mistake when the device cannot work normally. The existing detection equipment has the disadvantages of complex system and complicated process.
Disclosure of Invention
In order to solve the above problems, the present invention is directed to: when the infrared light supplement lamp and the infrared camera of the key device for detecting the infrared object are attacked maliciously by shielding and the like or damaged, the system can detect the attack and perform corresponding processing, such as sending an alarm or informing a background and the like.
Specifically, the present invention provides a detection system of an infrared object detection device, comprising:
the object to be detected is a target for detecting the infrared object;
the infrared camera module is used for carrying out infrared camera shooting on an object in the detection process;
the infrared light supplement lamp module is used for supplementing light to the infrared camera of the object to be detected;
the display module is used for displaying the image of the object to be detected acquired by the common camera and comprises an imaging area of the infrared camera;
the infrared camera imaging and grabbing module is used for cutting an imaging area of an object to be detected in the infrared camera, and the infrared light supplementing lamp flickers at a fixed frequency within a set time when the position of the object to be detected is adjusted so that the image of the object to be detected is the only image in the imaging area of the common camera, and grabs data in the imaging area of the infrared camera;
wherein, as shown in fig. 3, it is imaged that the display is visible light, the object adjustment position that awaits measuring is under the visible light mode, it has the face to be located frame a to detect in the formation of image of ordinary camera, the human face position that the infrared camera of counterthrust (actual equipment infrared camera and ordinary camera's position is fixed, so can the counterthrust) should (infrared probably does not have the face formation of image, because probably sheltered from, or suffer from the object attack of screen mode) be in frame B, at this moment with the infrared light filling lamp of fixed frequency scintillation, look over the luminance change in infrared camera frame B, whether the normal work of equipment is inferred in this way.
And the calculation and comparison module is used for analyzing the brightness data change according to the acquired imaging data, judging that the infrared light supplement lamp or the infrared camera of the equipment works normally if the brightness change in the set time is consistent with the flickering frequency of the infrared light supplement lamp, and otherwise judging that the equipment works abnormally.
The system also comprises an alarm module which is used for giving an alarm or interrupting the work when the equipment is judged to work abnormally.
The system operates in a visible environment.
The object is a human body, and the object image is a human face or a human body part.
The system also comprises a common camera, an imaging area of the common camera and a display panel.
The positions of the common camera and the infrared camera are close to each other, so that most of the imaging area of the common camera is overlapped with that of the infrared camera.
The majority of overlap is preferably overlap.
The image of the common camera is projected to a display panel to prompt a user to move, and the face of the user appears in a face imaging area in a proper proportion; the equipment uses the imaging of a common camera to detect a unique face in a face imaging area, and the imaged face meets the requirement of face identification.
Infrared light filling lamp, infrared camera are not sheltered from, and both all normally work, and the face part of infrared camera formation of image should have the luminance change of obvious regularity so, if infrared light filling lamp, infrared camera is sheltered from, perhaps damages, and the face part of infrared camera formation of image then does not show the change this moment, and perhaps the flicker frequency of change characteristic and infrared light filling lamp does not conform to.
Thus, the present application has the advantages that: the system is simple in structure, utilizes existing equipment, combines the position adjustment of the object to be detected, cooperates regular bright and dark flashing of the infrared light filling lamp, corresponds to the brightness change of the face part of the infrared camera, and determines whether the infrared light filling lamp and the infrared camera work normally or not. The aim of normal work of the detection equipment is fulfilled by a simple design, so that the cost is greatly saved, and the efficiency is improved.
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 application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic block diagram of an apparatus to which the present invention relates.
Fig. 2 is a schematic block diagram of the positional relationship of a person and a device according to the present invention.
Fig. 3 is a schematic block diagram of imaging in an imaging region to which the present invention relates.
Fig. 4 is a schematic diagram of the result of the alternating between light and dark of the infrared fill light according to the present invention.
Fig. 5 is a schematic block diagram of a specific system of the present invention.
Detailed Description
In order that the technical contents and advantages of the present invention can be more clearly understood, the present invention will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the apparatus according to this embodiment includes the following fixing parts, an infrared fill light, a general camera, an infrared camera, and a display panel.
The invention only considers that the system is in a visible environment, the equipment projects the image of the common camera to the display panel to prompt the user to move, the face appears in the face imaging area in a proper proportion, the equipment detects the unique face in the face imaging area by using the image of the common camera, and the imaged face meets the requirement of face recognition.
As shown in fig. 3, the only face detected in the face image area is in the image area of the infrared camera, and because the positions of the ordinary camera and the infrared camera are relatively close and fixed, the reverse thrust is easy to implement, and the specific implementation method is not discussed in this patent.
As shown in FIG. 4, when a common camera of the device detects a human face, and reversely deduces the imaging position of the human face at the infrared camera, the infrared fill light flashes in a bright and dark mode at a fixed frequency, and an image of a human face area corresponding to the infrared camera is captured, at this time, if the infrared fill light is used, the infrared camera is not shielded, and both the infrared camera and the fill light work normally, then the human face part imaged by the infrared camera should have brightness change with obvious regularity, if the infrared fill light is used, the infrared camera is shielded or damaged, at this time, the human face part imaged by the infrared camera does not change obviously, or the change characteristic does not accord with the flashing frequency of the fill light.
As shown in fig. 5, a detection system of an infrared object detection apparatus includes:
the object to be detected is a target for detecting the infrared object;
the infrared camera module is used for carrying out infrared camera shooting on an object in the detection process;
the infrared light supplement lamp module is used for supplementing light to the infrared camera of the object to be detected;
the display module is used for displaying the image of the object to be detected acquired by the common camera and comprises an imaging area of the infrared camera;
the infrared camera imaging and grabbing module is used for cutting an imaging area of an object to be detected in the infrared camera, and the infrared light supplementing lamp flickers at a fixed frequency within a set time when the position of the object to be detected is adjusted so that the image of the object to be detected is the only image in the imaging area of the common camera, and grabs data in the imaging area of the infrared camera;
wherein, as shown in fig. 3, it is imaged that the display is visible light, the object adjustment position that awaits measuring is under the visible light mode, it has the face to be located frame a to detect in the formation of image of ordinary camera, the human face position that the infrared camera of counterthrust (actual equipment infrared camera and ordinary camera's position is fixed, so can the counterthrust) should (infrared probably does not have the face formation of image, because probably sheltered from, or suffer from the object attack of screen mode) be in frame B, at this moment with the infrared light filling lamp of fixed frequency scintillation, look over the luminance change in infrared camera frame B, whether the normal work of equipment is inferred in this way.
When the position of the human body is adjusted to enable the human face to be imaged as the only imaging area of the infrared camera, the infrared fill-in light is turned on and off alternately at a fixed frequency within a set time, for example, 10 seconds, but also 20 seconds, 30 seconds, 60 seconds and the like according to the time required by a user, for example, the time interval between turning on and turning off is 1 second, or other suitable time intervals, so as to capture the brightness data of the human face in the imaging area of the infrared camera;
in addition, the fill light does not need to be turned on or off, and the brightness can be changed at a fixed frequency.
And the calculation and comparison module is used for analyzing the brightness data change according to the acquired imaging data, judging whether the infrared light supplement lamp or the infrared camera of the equipment works normally if the brightness change in the set time (10 seconds) is consistent with the flicker frequency of the infrared light supplement lamp, and otherwise judging that the equipment works abnormally.
The system also comprises an alarm module which is used for giving an alarm or interrupting the work when the equipment is judged to work abnormally.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A detection system for an infrared object detection device, comprising:
the object to be detected is a target for detecting the infrared object;
the infrared camera module is used for carrying out infrared camera shooting on an object in the detection process;
the infrared light supplement lamp module is used for supplementing light to the infrared camera of the object to be detected;
the display module is used for displaying the image of the object to be detected acquired by the common camera and comprises an imaging area of the infrared camera;
the infrared camera imaging and grabbing module is used for cutting an imaging area of an object to be detected in the infrared camera, and the infrared light supplementing lamp flickers at a fixed frequency within a set time when the position of the object to be detected is adjusted so that the image of the object to be detected is the only image in the imaging area of the common camera, and grabs data in the imaging area of the infrared camera;
and the calculation and comparison module is used for analyzing the brightness data change according to the acquired imaging data, judging that the infrared light supplement lamp or the infrared camera of the equipment works normally if the brightness change in the set time is consistent with the flickering frequency of the infrared light supplement lamp, and otherwise judging that the equipment works abnormally.
2. The system of claim 1, further comprising an alarm module for alarming or interrupting the operation when the device is determined to be malfunctioning.
3. The detection system of claim 1, wherein the system operates in a visible environment.
4. The system of claim 1, wherein the object is a human body, and the image of the object is a human face or a human body part.
5. The system of claim 1, further comprising a general camera, an imaging area of the general camera, and a display panel.
6. The system of claim 5, wherein the normal camera and the infrared camera are located close together such that an imaging area of the normal camera overlaps with an imaging area of the infrared camera.
7. The system of claim 6, wherein said substantial overlap is preferentially overlap.
8. The system of claim 5, wherein the image of the common camera is projected on a display panel to prompt a user to move, and the face of the user is displayed in a face imaging area in a proper proportion; the equipment uses the imaging of a common camera to detect a unique face in a face imaging area, and the imaged face meets the requirement of face identification.
9. The system of claim 1, wherein the infrared fill light and the infrared camera are not shielded and both work normally, so that the face portion imaged by the infrared camera has a brightness change with a clear regularity, and if the face portion imaged by the infrared camera is shielded or damaged, the face portion imaged by the infrared camera does not have a significant change, or the change characteristic does not conform to the flicker frequency of the infrared fill light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093472.5A CN112784654B (en) | 2019-11-11 | 2019-11-11 | Detection system of infrared object detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093472.5A CN112784654B (en) | 2019-11-11 | 2019-11-11 | Detection system of infrared object detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112784654A true CN112784654A (en) | 2021-05-11 |
| CN112784654B CN112784654B (en) | 2024-08-06 |
Family
ID=75749619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911093472.5A Active CN112784654B (en) | 2019-11-11 | 2019-11-11 | Detection system of infrared object detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112784654B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112784649A (en) * | 2019-11-11 | 2021-05-11 | 北京君正集成电路股份有限公司 | Infrared living body detection equipment and method for detecting whether infrared living body detection equipment works normally |
| CN113591833A (en) * | 2021-09-29 | 2021-11-02 | 深圳市乐唯科技开发有限公司 | Control signal transmission method and system based on multi-terminal interval type direct connection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125995A (en) * | 2016-08-31 | 2016-11-16 | 广州华欣电子科技有限公司 | The detecting system of infrared emission component and detection method |
| CN206378870U (en) * | 2017-01-19 | 2017-08-04 | 内江市五元科技文化有限责任公司 | Recognition of face intelligent terminal |
| EP3304427A1 (en) * | 2015-06-05 | 2018-04-11 | Seeing Machines Limited | Protective system for infrared light source |
| CN208061218U (en) * | 2017-12-08 | 2018-11-06 | 广西师范大学 | A kind of recognition of face mobile terminal device |
| CN108989710A (en) * | 2018-07-16 | 2018-12-11 | 维沃移动通信有限公司 | A kind of infrared supplementary lighting module abatement detecting method and terminal device |
| KR101968101B1 (en) * | 2018-07-12 | 2019-04-11 | 천재두 | Object recognition camera module and object recognition system thereof |
| CN110321819A (en) * | 2019-06-21 | 2019-10-11 | 浙江大华技术股份有限公司 | The occlusion detection method, apparatus and storage device of picture pick-up device |
-
2019
- 2019-11-11 CN CN201911093472.5A patent/CN112784654B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3304427A1 (en) * | 2015-06-05 | 2018-04-11 | Seeing Machines Limited | Protective system for infrared light source |
| CN106125995A (en) * | 2016-08-31 | 2016-11-16 | 广州华欣电子科技有限公司 | The detecting system of infrared emission component and detection method |
| CN206378870U (en) * | 2017-01-19 | 2017-08-04 | 内江市五元科技文化有限责任公司 | Recognition of face intelligent terminal |
| CN208061218U (en) * | 2017-12-08 | 2018-11-06 | 广西师范大学 | A kind of recognition of face mobile terminal device |
| KR101968101B1 (en) * | 2018-07-12 | 2019-04-11 | 천재두 | Object recognition camera module and object recognition system thereof |
| CN108989710A (en) * | 2018-07-16 | 2018-12-11 | 维沃移动通信有限公司 | A kind of infrared supplementary lighting module abatement detecting method and terminal device |
| CN110321819A (en) * | 2019-06-21 | 2019-10-11 | 浙江大华技术股份有限公司 | The occlusion detection method, apparatus and storage device of picture pick-up device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112784649A (en) * | 2019-11-11 | 2021-05-11 | 北京君正集成电路股份有限公司 | Infrared living body detection equipment and method for detecting whether infrared living body detection equipment works normally |
| CN112784649B (en) * | 2019-11-11 | 2024-08-06 | 北京君正集成电路股份有限公司 | Infrared living body detection equipment and method for detecting whether infrared living body detection equipment works normally or not |
| CN113591833A (en) * | 2021-09-29 | 2021-11-02 | 深圳市乐唯科技开发有限公司 | Control signal transmission method and system based on multi-terminal interval type direct connection |
| CN113591833B (en) * | 2021-09-29 | 2021-12-07 | 深圳市乐唯科技开发有限公司 | Control signal transmission method and system based on multi-terminal interval type direct connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112784654B (en) | 2024-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102021999B1 (en) | Apparatus for alarming thermal heat detection results obtained by monitoring heat from human using thermal scanner | |
| TWI667918B (en) | Monitoring method and camera | |
| KR101998639B1 (en) | Intelligent system for ignition point surveillance using composite image of thermal camera and color camera | |
| US6937743B2 (en) | Process and device for detecting fires based on image analysis | |
| EP2813970A1 (en) | Monitoring method and camera | |
| CN112784654A (en) | Detection system of infrared object detection equipment | |
| CN110222624B (en) | Dynamic human face detection device | |
| WO2020173258A1 (en) | Image recognition system and method | |
| TW201601955A (en) | Vehicle safety system and operating method thereof | |
| CN112784653A (en) | Detection method of face recognition equipment | |
| JP5018652B2 (en) | Object presence determination device | |
| JP5049027B2 (en) | Warning sensor | |
| JP3294468B2 (en) | Object detection method in video monitoring device | |
| EP4001849A1 (en) | System and method for mission critical screen validation on commercial displays | |
| JP5586383B2 (en) | Image monitoring device | |
| CN112784649B (en) | Infrared living body detection equipment and method for detecting whether infrared living body detection equipment works normally or not | |
| JPH1149100A (en) | Apron monitor | |
| EP4071660A1 (en) | Object recognition method and apparatus, electronic device and readable storage medium | |
| JP6642568B2 (en) | Target identification system, target identification method and program | |
| JP2005091665A (en) | Projector and obstacle detecting method | |
| KR20190056750A (en) | Apparatus and method for detecting by using image process | |
| JP6093270B2 (en) | Image sensor | |
| WO2022059500A1 (en) | Monitoring system and monitoring method | |
| JP3620397B2 (en) | Pointed position detection system, presentation system, and information storage medium | |
| EP4383211A1 (en) | Method and system for identifying reflections in thermal images |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |