CN109151284A - It is a kind of ultralow according to recognition of face video camera - Google Patents
It is a kind of ultralow according to recognition of face video camera Download PDFInfo
- Publication number
- CN109151284A CN109151284A CN201811162510.3A CN201811162510A CN109151284A CN 109151284 A CN109151284 A CN 109151284A CN 201811162510 A CN201811162510 A CN 201811162510A CN 109151284 A CN109151284 A CN 109151284A
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- China
- Prior art keywords
- recognition
- video camera
- ultralow
- sensor
- processing unit
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
- H04N23/13—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with multiple sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
Abstract
The present invention provides a kind of ultralow according to recognition of face video camera, including camera review Acquisition Circuit, the output port of the camera review Acquisition Circuit connects image processing unit, described image processing unit includes two-way output port, image analyzing unit is wherein connected all the way, another way connects image encoding output unit, and described image encoding output unit is for carrying out coding output to the image handled well；The camera review Acquisition Circuit includes two-way imaging sensor, wherein imaging sensor is visible light sensor all the way, another way is infrared light transducer[sensor.The ultralow recognition of face video camera that shines of the present invention can realize the recognition of face of round-the-clock high-accuracy independent of site environment brightness, be particularly suitable for the low recognition of face according to scene.
Description
Technical field
The invention belongs to camcorder technology fields, more particularly, to a kind of ultralow according to recognition of face video camera.
Background technique
Video camera is a kind of intelligent video camera front end, is named as intelligent video camera entirely, is the most common prison of monitoring system
Front end is controlled, can adapt to round-the-clock, fixed viewpoint monitoring occasion.And being equipped with different intelligent analysis process may be implemented respectively
The different demands of kind application scenarios.
Video camera is the product of high integration, is integrated with communication system and camera chain, intellectual analysis processing system, intelligence
Whether energy analysis process system can analyze video image, determine in monitoring range with the presence of personnel.And several big systems
Between, play lateral connection is MCU microcontroller, and the functional normal operation of institute is realized in MCU control.
Only one general imaging sensor of existing recognition of face video camera is low according under environment or picture noise is thin greatly
The bad or details of section reduction can restore but image is black and white, this results in the low accuracy rate meeting according to the identification of environment human face
It substantially reduces.
Summary of the invention
In view of this, the present invention is directed to propose one kind is ultralow to shine recognition of face video camera, to solve existing video camera people
The problem of face recognition accuracy depends on site environment illumination, can not achieve round-the-clock high-accuracy recognition of face.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
It is a kind of ultralow according to recognition of face video camera, including camera review Acquisition Circuit, the camera review acquisition electricity
The output port on road connects image processing unit, and described image processing unit includes two-way output port, wherein connection figure all the way
As analytical unit, another way connects image encoding output unit, and described image encoding output unit is used for the image handled well
Carry out coding output；
The camera review Acquisition Circuit includes two-way imaging sensor, wherein imaging sensor is visible light biography all the way
Sensor, another way are infrared light transducer[sensor.
Further, the visible light sensor is used to incude the visible light in photographed scene, the infrared light transducer[sensor
For incuding the infrared light in photographed scene.
Further, the image information that described image processing unit feeds back visible light sensor and infrared light transducer[sensor,
Fusion treatment is carried out, colored image is exported.
Further, described image processing unit is also connected with MCU；
Described image processing unit and MCU use the same chip, and described image processing unit passes through internal interface and MCU
Carry out data transmission.
Further, the MCU is also connected with image analyzing unit.
Further, the MCU is also connected with light filling unit.
Further, the chip of the visible light sensor passes through N6, N7, M8, M9, N8, N9, N4, N5, M4, M5 pin
It is transferred to AT22, AU22, AT23, AU23, AT24, AU24, AR23, AP23, AP24, AN24 pipe of image processing unit respectively
Foot.
Further, the infrared light transducer[sensor chip connection figures as AT16, AU16 of processing unit, AT17, AU17,
AT18, AU18, AR17, AP17, AP18, AN18 pin.
Further, by image coding unit to image carry out compressed encoding, by C27, E27 of MCU, E26, D26,
B24, A28, B27, A27, A26 pin are sent to network chip and realize externally output.
Further, the light filling unit is carried out driving chip control by the control of MCU, according to different ambient brightness by
MCU controls the brightness of infrared lamp.
Compared with the existing technology, the ultralow recognition of face video camera that shines of the present invention has the advantage that
The ultralow recognition of face video camera that shines of the present invention can realize round-the-clock height independent of site environment brightness
The recognition of face of accuracy rate is particularly suitable for the low recognition of face according to scene；Monitoring scene can be carried out simultaneously round-the-clock thin
Section reduction.Only one imaging sensor of existing video camera, it is low be colored according to environment or image but details reduction is bad
Image is fuzzy or noise is big or details restores but image is black and white without color information, and the solution of the present invention can be with
Solve the problems, such as that existing video camera causes face recognition accuracy rate is low to obtain due to both.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is ultralow according to recognition of face video camera functional block diagram described in the embodiment of the present invention；
Fig. 2 is image acquisition circuit figure described in the embodiment of the present invention；
Fig. 3 is image processing unit circuit diagram described in the embodiment of the present invention.
Fig. 4 is image encoding output unit circuit diagram described in the embodiment of the present invention；
Fig. 5 is the circuit diagram of MCU described in the embodiment of the present invention；
Fig. 6 is light filling unit module circuit diagram described in the embodiment of the present invention；
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of ultralow according to recognition of face video camera, including camera review Acquisition Circuit, the video camera
The output port of image acquisition circuit connects image processing unit, and described image processing unit includes two-way output port, wherein
Image analyzing unit is connected all the way, and another way connects image encoding output unit, and described image encoding output unit is used for place
The image managed carries out coding output；
The camera review Acquisition Circuit includes two-way imaging sensor, wherein imaging sensor is visible light biography all the way
Sensor, another way are infrared light transducer[sensor, and the circuit diagram of image acquisition circuit is as shown in Figure 2.
The visible light sensor is used to incude the visible light in photographed scene, and the infrared light transducer[sensor is clapped for incuding
Take the photograph the infrared light in scene.
The image information that described image processing unit feeds back visible light sensor and infrared light transducer[sensor, carries out at fusion
Reason exports colored image.
Described image processing unit is also connected with MCU；Described image processing unit and MCU use the same chip, the figure
As processing unit is carried out data transmission by internal interface and MCU.
The MCU is also connected with image analyzing unit.The MCU is also connected with light filling unit.The image analyzing unit is adopted
With Hi3559AV100 chip, double-core A73 and double-core A53 is integrated, processing speed faster, and can provide calculating efficient and abundant
Resource realizes the quick analysis processing of image.
The chip of the visible light sensor is transmitted respectively by pins such as N6, N7, M8, M9, N8, N9, N4, N5, M4, M5
The pins such as AT22, AU22, AT23, AU23, AT24, AU24, AR23, AP23, AP24, AN24 to image processing unit, image
The circuit diagram of processing unit is as shown in Figure 3.
The infrared light transducer[sensor chip connection figures as AT16, AU16 of processing unit, AT17, AU17, AT18, AU18,
The pins such as AR17, AP17, AP18, AN18.
By image coding unit to image carry out compressed encoding, coding circuit as shown in figure 4, by the C27 of MCU,
The pins such as E27, E26, D26, B24, A28, B27, A27, A26 are sent to network chip and realize externally output, and MCU circuit diagram is as schemed
Shown in 5.
Such as Fig. 5, shown in Fig. 6, the light filling unit is carried out driving chip control by the control of MCU, bright according to different environment
Degree is controlled the brightness of infrared lamp by MCU.The LED_R_N_CTRL and LED_R_N_CTRL of light filling unit are driven by the control of MCU
Dynamic chip U69 and U70 realize that the brightness to infrared lamp controls, and the bright of infrared lamp is controlled by MCU according to different ambient brightness
Degree.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of ultralow according to recognition of face video camera, it is characterised in that: including camera review Acquisition Circuit, the video camera figure
As the output port connection image processing unit of Acquisition Circuit, described image processing unit includes two-way output port, wherein one
Road connects image analyzing unit, and another way connects image encoding output unit, and described image encoding output unit is used for processing
Good image carries out coding output；
The camera review Acquisition Circuit includes two-way imaging sensor, wherein imaging sensor is visible light sensing all the way
Device, another way are infrared light transducer[sensor.
2. according to claim 1 ultralow according to recognition of face video camera, it is characterised in that: the visible light sensor is used for
Incude the visible light in photographed scene, the infrared light transducer[sensor is used to incude the infrared light in photographed scene.
3. ultralow recognition of face video camera is shone according to claim 1, it is characterised in that: described image processing unit is to can
The image information of light-exposed sensor and infrared light transducer[sensor feedback, carries out fusion treatment, exports colored image.
4. according to claim 1 ultralow according to recognition of face video camera, it is characterised in that: described image processing unit also connects
Meet MCU；
Described image processing unit and MCU use the same chip, and described image processing unit is carried out by internal interface and MCU
Data transmission.
5. according to claim 4 ultralow according to recognition of face video camera, it is characterised in that: the MCU is also connected with image point
Analyse unit.
6. according to claim 4 ultralow according to recognition of face video camera, it is characterised in that: the MCU is also connected with light filling list
Member.
7. according to claim 4 ultralow according to recognition of face video camera, it is characterised in that: the core of the visible light sensor
Piece by N6, N7, M8, M9, N8, N9, N4, N5, M4, M5 pin be transferred to respectively image processing unit AT22, AU22,
AT23, AU23, AT24, AU24, AR23, AP23, AP24, AN24 pin.
8. according to claim 4 ultralow according to recognition of face video camera, it is characterised in that: the infrared light transducer[sensor chip
Connect AT16, AU16, AT17, AU17, AT18, AU18, AR17, AP17, AP18, AN18 pin of image processing unit.
9. according to claim 4 ultralow according to recognition of face video camera, it is characterised in that: by image coding unit to figure
As carrying out compressed encoding, network chip is sent to by C27, E27, E26, D26, B24, A28, B27, A27, A26 pin of MCU
Realize externally output.
10. according to claim 6 ultralow according to recognition of face video camera, it is characterised in that: the light filling unit is by MCU's
Control carrys out driving chip control, controls the brightness of infrared lamp by MCU according to different ambient brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162510.3A CN109151284A (en) | 2018-09-30 | 2018-09-30 | It is a kind of ultralow according to recognition of face video camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162510.3A CN109151284A (en) | 2018-09-30 | 2018-09-30 | It is a kind of ultralow according to recognition of face video camera |
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| CN109151284A true CN109151284A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811162510.3A Pending CN109151284A (en) | 2018-09-30 | 2018-09-30 | It is a kind of ultralow according to recognition of face video camera |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111860483A (en) * | 2020-07-21 | 2020-10-30 | 中国科学院光电技术研究所 | Target detection method based on Haisi platform |
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| CN205017403U (en) * | 2015-07-08 | 2016-02-03 | 淮阴师范学院 | Video mist elimination reinforcing system based on infrared light and visible light |
| CN106385530A (en) * | 2015-07-28 | 2017-02-08 | 杭州海康威视数字技术股份有限公司 | Double-spectrum camera |
| CN106960202A (en) * | 2017-04-11 | 2017-07-18 | 广西师范大学 | A kind of smiling face's recognition methods merged based on visible ray with infrared image |
| CN108090477A (en) * | 2018-01-23 | 2018-05-29 | 北京易智能科技有限公司 | A kind of face identification method and device based on Multi-spectral image fusion |
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2018
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Patent Citations (4)
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| CN205017403U (en) * | 2015-07-08 | 2016-02-03 | 淮阴师范学院 | Video mist elimination reinforcing system based on infrared light and visible light |
| CN106385530A (en) * | 2015-07-28 | 2017-02-08 | 杭州海康威视数字技术股份有限公司 | Double-spectrum camera |
| CN106960202A (en) * | 2017-04-11 | 2017-07-18 | 广西师范大学 | A kind of smiling face's recognition methods merged based on visible ray with infrared image |
| CN108090477A (en) * | 2018-01-23 | 2018-05-29 | 北京易智能科技有限公司 | A kind of face identification method and device based on Multi-spectral image fusion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111860483A (en) * | 2020-07-21 | 2020-10-30 | 中国科学院光电技术研究所 | Target detection method based on Haisi platform |
| CN111860483B (en) * | 2020-07-21 | 2022-08-23 | 中国科学院光电技术研究所 | Target detection method based on Haisi platform |
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Application publication date: 20190104 |