CN109951648A - Monitoring camera method and outdoor monitoring camera - Google Patents
Monitoring camera method and outdoor monitoring camera Download PDFInfo
- Publication number
- CN109951648A CN109951648A CN201910326144.9A CN201910326144A CN109951648A CN 109951648 A CN109951648 A CN 109951648A CN 201910326144 A CN201910326144 A CN 201910326144A CN 109951648 A CN109951648 A CN 109951648A
- Authority
- CN
- China
- Prior art keywords
- monitoring camera
- flash lamp
- brightness
- mobile object
- control function
- 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.)
- Pending
Links
Landscapes
- Studio Devices (AREA)
Abstract
The present invention discloses a kind of monitoring camera method and monitoring camera with adaptive brightness of flash lamp control function, and wherein 1) monitoring camera method includes:, detects whether that mobile object enters the image pickup scope of monitoring camera；2), when there is mobile object to enter image pickup scope, judge the mobile object at a distance from monitoring camera；3), according to the brightness of the flash lamp in step 2 on the distance between mobile object and monitoring camera control monitoring camera；Monitoring camera method through the invention, the brightness of flash lamp can be adjusted apart from the distance of monitoring camera according to monitoring objective object, so that monitoring camera provides suitable exposure brightness to the object of different distance in monitoring range, overexposure or under-exposure are avoided, to improve the quality of photograph image.
Description
Technical field
The present invention relates to outdoor monitoring equipment technical fields, more particularly to one kind, and there is adaptive brightness of flash lamp to control function
The monitoring camera method and outdoor monitoring camera of energy.
Background technique
Different from traditional camera, outdoor monitoring camera is mainly used for carrying out automatic camera monitoring in a certain region, when being wanted
It when the object of monitoring enters monitoring area, is arrived by the sensor sensing on camera, camera starts the photo taken pictures, and will taken
Storage, for checking analysis.Nowadays, outdoor monitoring camera is widely used in animal protection and industry of going hunting, due to many
Animal is mainly nocturnalism, therefore the picture quality of picture that monitoring camera is arrived in shooting at night is particularly important.Current prison
Camera is controlled, constant brightness flash illumination mode is generally used, causes made thing body over-exposed serious in short distance, has
Camera adjusts exposure brightness using AE (auto-exposure control), but since at night, when especially scene is more spacious, AE is adjusted
Picture quality afterwards not can solve short distance overexposure problem still.
Summary of the invention
It can be according to captured object distance monitoring camera the purpose of the present invention is providing one kind to solve above-mentioned technical problem
The monitoring camera method with adaptive brightness of flash lamp control function apart from automatic adjusument brightness of flash lamp.
To achieve the goals above, the present invention discloses a kind of monitoring camera with adaptive brightness of flash lamp control function
Method comprising:
1), detect whether that mobile object enters the image pickup scope of monitoring camera；
2), when there is mobile object to enter image pickup scope, judge the mobile object at a distance from the monitoring camera；
3), the distance between mobile object and monitoring camera according to step 2 control the sudden strain of a muscle on the monitoring camera
The brightness of light lamp.
Compared with prior art, monitoring camera method of the present invention includes the step of target range judges, when having detected
When object (mobile object) enters image pickup scope, the object is first determined whether at a distance from monitoring camera, then according to should be away from
From the brightness for automatically controlling flash lamp, such as when object distance detection camera is closer, it can control the brightness of flash lamp opposite
It is weaker, to avoid overexposure problem of taking pictures in short distance；When object distance detection camera is distant, flash of light can control
The brightness of lamp is relatively higher, to avoid obscuring picture caused by because of insufficient light；It follows that monitoring camera through the invention
Method can adjust the brightness of flash lamp, so that monitoring camera is being monitored according to monitoring objective object apart from the distance of monitoring camera
Suitable exposure brightness is provided to the object of different distance in range.
Preferably, the signal strength or weakness by comparing the mobile object entered in image pickup scope judges the movement in step 2
Object is at a distance from the monitoring camera.
Preferably, detecting to represent after mobile object enters the trigger signal in image pickup scope and be accumulated to it in step 2
Divide processing, obtain a level pulse for representing the trigger signal intensity, then will be preset in the level pulse and monitoring camera
Criteria triggers level pulse value corresponding from different shooting distances be compared.
Preferably, detecting the letter of mobile object in monitoring camera image pickup scope by pyroelectric infrared sensor in step 1
Number.
Invention additionally discloses a kind of outdoor monitoring cameras with adaptive brightness of flash lamp control function comprising camera
Ontology is provided with detection device, processing unit, driving device and flash lamp on the camera body；The flash lamp is used for
The luminance compensation of camera shooting moment is provided for the camera body, the detection device is for detecting the camera body local environment
The trigger signal of the representative mobile object of middle appearance, and give the trigger signal feedback to the processing unit, the processing unit
For the approximate distance of mobile object and the camera body according to the trigger signal reasoning and calculation, the driving device
For controlling the brightness of the flash lamp according to the calculated range information of the processing unit.
Preferably, the processing unit includes amplifying circuit, integrating circuit and multilevel iudge circuit, the amplifying circuit is used
In amplifying processing to the trigger signal, the integrating circuit is used to be converted to the trigger signal and level pulse,
The multilevel iudge circuit according to the level pulse compared with preset value, to judge mobile object and the camera body
Distance.
Preferably, the driving device includes pwm driver, the pwm driver and the flash lamp are electrically connected.
Preferably, the detection device includes pyroelectric infrared sensor.
Invention additionally discloses a kind of outdoor monitoring cameras with adaptive brightness of flash lamp control function comprising:
One or more processors；
Memory；
And one or more programs, wherein one or more programs are stored in the memory, and are configured
It is executed at by one or more of processors, described program includes having adaptive flash lamp bright as described above for executing
Spend the instruction of the monitoring camera method of control function.
Invention additionally discloses a kind of computer readable storage mediums comprising the computer journey being used in combination with monitoring camera
Sequence, the computer program can be executed by processor to complete to have adaptive brightness of flash lamp control function as described above
Monitoring camera method.
Detailed description of the invention
Fig. 1 is the flow diagram of monitoring camera of embodiment of the present invention method.
Fig. 2 is the theory structure schematic diagram of monitoring camera of the embodiment of the present invention.
Specific embodiment
For technology contents, structure feature, realization principle and the objects and the effects that the present invention will be described in detail, tie below
It closes embodiment and attached drawing is cooperated to be explained in detail.
As shown in Figure 1, the invention discloses a kind of monitoring camera method with adaptive brightness of flash lamp control function,
Specifically:
A1: monitoring camera is mounted in a certain environment for needing to monitor, often haunts ground as being mounted on Ye Wai Lu groups
Side, real-time detection Shi Fou You Lu enter the image pickup scope of monitoring camera.
A2: when detecting that Lu enters the image pickup scope of monitoring camera, judge Ci Lu at a distance from monitoring camera；
The distance between a3: Gen Ju Ci Lu and monitoring camera control the brightness of the flash lamp on monitoring camera.
As Ci Lu and when being closer of monitoring camera, the flash lamp on monitoring camera can control to issue lower brightness,
To avoid photo overexposure, Dang Ci Lu at a distance from monitoring camera farther out when, can control the flash lamp on monitoring camera to issue
Higher brightness provides enough exposures to photo.It follows that monitoring camera method through the invention, it can be according to monitoring
The far and near brightness for adjusting flash lamp of object distance detection camera, so that monitoring camera is in monitoring range to different distance
Object provides suitable exposure brightness.
To realize above-mentioned monitoring camera method, in another preferred embodiment of the present invention, such as Fig. 2, a kind of monitoring phase is also disclosed
Machine comprising camera body is provided with detection device 10, processing unit 11, driving device 12 and flash lamp on camera body
13.Flash lamp 13 is used to provide the luminance compensation of camera shooting moment for camera body, and detection device 10 is for detecting camera body institute
The trigger signal of the representative mobile object occurred in place's environment, and by the trigger signal feedback to processing unit 11, processing unit
11 for going out the approximate distance of mobile object and camera body according to trigger signal reasoning and calculation, and driving device 12 is used for according to place
Manage the brightness of the calculated range information of device 11 control flash lamp 13.When detection device 10 detected mobile object (also with
For Lu) enter monitoring camera image pickup scope when, the trigger signal Jiang caused by Ci Lu issues processing unit 11, processing unit
11 release Ci Lu at a distance from monitoring camera according to the information of the trigger signal, and then processing unit 11 feeds back the range information
To driving device 12, driving device 12 controls the brightness of flash lamp 13 according to the feedback information.In the present embodiment, detection device 10
Preferably it is pyroelectric infrared sensor (PIR).
In the above-described embodiments, processing unit 11 can make inferences judgement according to the power of trigger signal.Opposite monitoring phase
For machine, from the distant to the near, if the power of trigger signal caused by mobile object is also by strong, therefore, from trigger signal
Power can analyze the approximate distance of mobile object and monitoring camera.Specifically, when detect enter image pickup scope in triggering
After signal, Integral Processing is carried out to it, obtains a level pulse for representing trigger signal intensity, then by the level pulse and prison
Preset criteria triggers level pulse value corresponding from different shooting distances is compared in control camera, and then releases the motive objects
The shooting distance of body.To realize above-mentioned processing mode, processing unit 11 includes that amplifying circuit 110, integrating circuit 111 and comparing is sentenced
Deenergizing 112, amplifying circuit 110 are used to amplify trigger signal processing, and integrating circuit 111 is for converting trigger signal
For with level pulse, multilevel iudge circuit 112 be used for according to level pulse with preset value compared with, thus judge mobile object and
The distance of camera body.The trigger signal that PIR will test is transferred to after amplifying circuit 110 amplifies processing and is transferred to integral
Circuit 111 obtains the level pulse of the trigger signal by integrating circuit 111, multilevel iudge circuit 112 by the level pulse with
The preset criteria triggers pulse for representing different shooting distances is compared, to release rough shooting distance.Judge to clap
After the distance taken the photograph, the movement of driving device 12 can be controlled by the control system 14 of monitoring camera, and then controls flash lamp 13
Brightness.Preferably, driving device 12 includes pwm driver, pwm driver and flash lamp 13 are electrically connected.The control of monitoring camera
System 14 processed exports corresponding PWM to pwm driver according to the processing result of processing unit 11 and dims wave, to adjust flash lamp
13 brightness.Specification is additionally needed, above-mentioned multilevel iudge circuit 112 also can integrate the control system in monitoring camera
In 14.
Secondly, the invention also discloses another outdoor monitoring cameras comprising one or more processors, memory
And one or more programs, wherein one or more programs are stored in memory, and are configured to by one or more
A processor executes, and program includes the instruction for executing monitoring camera method as above.
Furthermore invention additionally discloses a kind of computer readable storage mediums comprising the meter being used in combination with monitoring camera
Calculation machine program, computer program can be executed by processor to complete monitoring camera method as above.
To sum up, the invention discloses a kind of outdoor monitoring cameras with adaptive brightness of flash lamp control function, at night
Evening needs to be monitored using flash lamp when taking pictures, can according to the brightness of the far and near automatic adjusument flash lamp of shooting distance, from
And avoid overexposure or light filling insufficient, powerful guarantee is provided to take the image photograph of high quality.
The above disclosure is only a preferred example of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore according to equivalent variations made by scope of the present invention patent, still falls within the range that the present invention is covered.
Claims (10)
1. a kind of monitoring camera method with adaptive brightness of flash lamp control function characterized by comprising
1), detect whether that mobile object enters the image pickup scope of monitoring camera；
2), when there is mobile object to enter image pickup scope, judge the mobile object at a distance from the monitoring camera；
3), the distance between mobile object and monitoring camera according to step 2 control the flash lamp on the monitoring camera
Brightness.
2. the monitoring camera method according to claim 1 with adaptive brightness of flash lamp control function, feature exist
In in step 2, the signal strength or weakness by comparing the mobile object entered in image pickup scope judges the mobile object and the prison
Control the distance of camera.
3. the monitoring camera method according to claim 1 with adaptive brightness of flash lamp control function, feature exist
In in step 2, detecting to represent mobile object and enter after the trigger signal in image pickup scope and carry out Integral Processing to it, obtain
One represents the level pulse of the trigger signal intensity, the then preset and different shootings from monitoring camera by the level pulse
It is compared apart from corresponding criteria triggers level pulse value.
4. the monitoring camera method according to claim 1 with adaptive brightness of flash lamp control function, feature exist
In, in step 1, pass through pyroelectric infrared sensor detect monitoring camera image pickup scope in mobile object signal.
5. a kind of outdoor monitoring camera with adaptive brightness of flash lamp control function, which is characterized in that including camera body,
Detection device, processing unit, driving device and flash lamp are provided on the camera body；The flash lamp is for being described
Camera body provides the luminance compensation of camera shooting moment, and the detection device occurs in the camera body local environment for detecting
Representative mobile object trigger signal, and by the trigger signal feedback give the processing unit, the processing unit be used for root
According to the approximate distance of mobile object and the camera body described in the trigger signal reasoning and calculation, the driving device is used for root
The brightness of the flash lamp is controlled according to the calculated range information of the processing unit.
6. the outdoor monitoring camera according to claim 1 with adaptive brightness of flash lamp control function, feature exist
In the processing unit includes amplifying circuit, integrating circuit and multilevel iudge circuit, and the amplifying circuit is used for the triggering
Signal amplifies processing, and the integrating circuit is used to be converted to the trigger signal and level pulse, the multilevel iudge
Circuit according to the level pulse compared with preset value, to judge mobile object at a distance from the camera body.
7. the outdoor monitoring camera according to claim 1 with adaptive brightness of flash lamp control function, feature exist
In the driving device includes pwm driver, and the pwm driver and the flash lamp are electrically connected.
8. the outdoor monitoring camera according to claim 1 with adaptive brightness of flash lamp control function, feature exist
In the detection device includes pyroelectric infrared sensor.
9. a kind of outdoor monitoring camera with adaptive brightness of flash lamp control function characterized by comprising
One or more processors；
Memory；
And one or more programs, wherein one or more programs are stored in the memory, and be configured to by
One or more of processors execute, and described program for executing as Claims 1-4 is described in any item including having certainly
Adapt to the instruction of the monitoring camera method of brightness of flash lamp control function.
10. a kind of computer readable storage medium, which is characterized in that including the computer program being used in combination with monitoring camera,
The computer program can be executed by processor to complete to have adaptive flash lamp as Claims 1-4 is described in any item
The monitoring camera method of brightness control function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326144.9A CN109951648A (en) | 2019-04-19 | 2019-04-19 | Monitoring camera method and outdoor monitoring camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326144.9A CN109951648A (en) | 2019-04-19 | 2019-04-19 | Monitoring camera method and outdoor monitoring camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109951648A true CN109951648A (en) | 2019-06-28 |
Family
ID=67014502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910326144.9A Pending CN109951648A (en) | 2019-04-19 | 2019-04-19 | Monitoring camera method and outdoor monitoring camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109951648A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271218A (en) * | 2011-01-17 | 2011-12-07 | 深圳市保千里电子有限公司 | Scene-oriented ultra-intelligent video camera and camera shooting method thereof |
| CN104469123A (en) * | 2013-09-17 | 2015-03-25 | 联想(北京)有限公司 | A method for supplementing light and an image collecting device |
| CN105430273A (en) * | 2015-12-16 | 2016-03-23 | 广东欧珀移动通信有限公司 | Method and device for taking photos and measuring distances by using mobile terminal |
| CN107390209A (en) * | 2017-07-27 | 2017-11-24 | 上海传英信息技术有限公司 | A kind of distance-finding method and range-measurement system applied to intelligent terminal |
-
2019
- 2019-04-19 CN CN201910326144.9A patent/CN109951648A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271218A (en) * | 2011-01-17 | 2011-12-07 | 深圳市保千里电子有限公司 | Scene-oriented ultra-intelligent video camera and camera shooting method thereof |
| CN104469123A (en) * | 2013-09-17 | 2015-03-25 | 联想(北京)有限公司 | A method for supplementing light and an image collecting device |
| CN105430273A (en) * | 2015-12-16 | 2016-03-23 | 广东欧珀移动通信有限公司 | Method and device for taking photos and measuring distances by using mobile terminal |
| CN107390209A (en) * | 2017-07-27 | 2017-11-24 | 上海传英信息技术有限公司 | A kind of distance-finding method and range-measurement system applied to intelligent terminal |
Non-Patent Citations (1)
| Title |
|---|
| TOM865: "红外测距传感器的原理与设计最终版", 《百度文库》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104184958B (en) | A kind of automatic exposure control method and its device based on FPGA suitable for space exploration imaging | |
| US20160005362A1 (en) | Determination Of Optical Condition And Adjustment Of Display | |
| JP2006311311A5 (en) | ||
| CN105959581A (en) | Electronic device having dynamically controlled flashlight for image capturing and related control method | |
| US9787949B2 (en) | Apparatus to recognize illumination environment of vehicle and control method thereof | |
| JP2006074164A5 (en) | ||
| US8395698B2 (en) | Exposure determining device and image processing apparatus | |
| JP2016503913A (en) | Security monitoring system and corresponding alarm triggering method | |
| JP2009545772A5 (en) | ||
| EP2230835A3 (en) | Image pickup apparatus and signal processor | |
| TWI663580B (en) | A control method of surveillance system | |
| CN101567966A (en) | Surveillance camera unit with light source | |
| CN108551553B (en) | Method and device for controlling light supplement lamp | |
| CN102413280A (en) | Imaging apparatus and method for controlling same | |
| JP2015130615A (en) | Imaging device, control method of the same, and program | |
| JP2014086420A (en) | Lighting control system and method for led lights | |
| KR101297759B1 (en) | Ir led controlling apparatus for cctv and method thereof | |
| CN107172362A (en) | A kind of track lamp indoor intelligent light-supplementing system based on photographing device | |
| US20050199815A1 (en) | Irradiation control device | |
| Mehta et al. | Gradient-based auto-exposure control applied to a self-driving car | |
| WO2020248543A1 (en) | Abnormal target detection method and device, and storage medium | |
| CN109951648A (en) | Monitoring camera method and outdoor monitoring camera | |
| JP2014072899A (en) | Method and structure for monitor camera | |
| CN105812677B (en) | A kind of image generating method and system | |
| CN108366210B (en) | Unmanned aerial vehicle and unmanned aerial vehicle control method |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190628 |
|
| RJ01 | Rejection of invention patent application after publication |