CN105516690A - System for monitoring photographing unit - Google Patents
System for monitoring photographing unit Download PDFInfo
- Publication number
- CN105516690A CN105516690A CN201610063906.7A CN201610063906A CN105516690A CN 105516690 A CN105516690 A CN 105516690A CN 201610063906 A CN201610063906 A CN 201610063906A CN 105516690 A CN105516690 A CN 105516690A
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- China
- Prior art keywords
- unit
- photographing unit
- photographing
- monitoring unit
- monitoring
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
- Studio Devices (AREA)
Abstract
The invention relates to a system for monitoring a photographing unit. The system comprises a video collecting unit, a motion monitoring unit and a photographing control unit, wherein the video collecting unit is connected to the monitoring unit and the photographing unit and used for receiving image data from the photographing unit, the motion monitoring unit is connected to the monitoring unit and used for detecting the motion state of the photographing unit or other photographed targets and sending information related to the motion state to the monitoring unit, and the photographing control unit is connected to the monitoring unit and used for controlling the photographing unit. The system can be applied to real-time and effective monitoring of targets in various application occasions, particularly the occasion where multiple cameras are adopted for photographing and the occasion where photographing is performed when cameras move or the occasion where moving targets are photographed.
Description
Technical field
The present invention relates to camera technique field, particularly relating to a kind of system for monitoring photographing unit.
Background technology
Tunnel structure is used more and more in current productive life.In order to ensure project quality and the safety standard meeting regulation, in the work progress in tunnel and after completion, usually need to detect it, to find crack, projection that its inner surface may exist, leak region etc.This detection can be undertaken by using motion platform, this motion platform is provided with one or more photographing unit (such as line-scan digital camera) etc., and can advances along the bearing of trend in tunnel.
Summary of the invention
The invention discloses the system for monitoring photographing unit, going for various application scenario, the occasion of especially polyphaser shooting, and camera is taken at the volley or carry out effective monitoring in real time to the occasion that moving target is taken to target.
According to the embodiment of the present invention, a kind of system for monitoring photographing unit comprises: video acquisition unit, is connected to monitoring unit and described photographing unit, for receiving view data from described photographing unit; Movement monitoring unit, is connected to described monitoring unit, for detecting the motion state of described photographing unit or its photographic subjects, and sends the information about described motion state to described monitoring unit; Taking pictures control unit, being connected to described monitoring unit, for controlling described photographing unit.
According to a kind of embodiment, described video acquisition unit is also for receiving the temperature information of described photographing unit.
According to a kind of embodiment, when described temperature information shows the temperature of described photographing unit higher than predetermined value, described system enters alarm condition.
According to a kind of embodiment, described motion state can also comprise following at least one item: speed, the direction of motion and/or acceleration alert information.
According to a kind of embodiment, when described speed is lower than predetermined first threshold or higher than predetermined Second Threshold, described system enters alarm condition.
According to a kind of embodiment, described alarm condition can also comprise following at least one item:
Power operation is carried out to described photographing unit;
Point out to user.
According to a kind of embodiment, described photographing unit also has the light source for light filling, and described alarm condition comprises: close described light source or reduce the intensity of described light source.
According to a kind of embodiment, described light source comprises Linear Laser light source.
According to a kind of embodiment, described monitoring unit can also as transmission control protocol server, and described video acquisition unit, described movement monitoring unit are communicated by transmission control protocol with described monitoring unit as transmission control protocol client with described control unit of taking pictures.
According to a kind of embodiment, can also comprise switch, described video acquisition unit, described movement monitoring unit and described control unit of taking pictures are connected to described monitoring unit by described switch.
The present invention goes for various application scenario, the occasion of especially polyphaser shooting, and camera is taken at the volley or carry out effective monitoring in real time to the occasion that moving target is taken to target.
Accompanying drawing explanation
The following accompanying drawing of the application in this as a application's part for understanding the application.Execution mode shown in accompanying drawing and description thereof are used for explaining principle of the present invention.In the accompanying drawings:
The view of Fig. 1 section of being tunnel in two-dimensional coordinate system;
Fig. 2 is the structural representation of system for monitoring photographing unit according to the embodiment of the present invention;
Fig. 3 is according to exemplary embodiment of the present invention, can be used for realizing the block diagram that photographing unit carries out the intraware of supervisory control system.
Embodiment
The characteristic sum exemplary embodiment of various aspects of the present invention will be described in detail below.In the following detailed description, propose many details, to provide complete understanding of the present invention.But, it will be apparent to those skilled in the art that the present invention can implement when not needing some details in these details.Below the description of embodiment is only used to by illustrating example of the present invention to provide to better understanding of the present invention.Any concrete configuration that the present invention proposes below being never limited to, but cover any amendment of element and parts, replacement and improvement under the premise of without departing from the spirit of the present invention.In the the accompanying drawings and the following description, known structure and technology are not shown, to avoid causing the present invention unnecessary fuzzy.
Fig. 1 shows the schematic diagram in one section of tunnel 10, can be applied to wherein according to embodiments of the invention.In order to ensure project quality and the safety standard meeting regulation, in the work progress in tunnel 10 and after completion, can detect it, to find crack, projection that its inner surface may exist, leak region etc.This detection can be undertaken by using one or more motion platform (such as machinery or power-actuated dolly), each motion platform can be separately installed with one or more photographing unit etc., and can advance along the bearing of trend in tunnel (being Y direction in the example of fig. 1).In tunnel 10, track 20 etc. can also be set, to enable motion platform more easily and advance along predetermined direction exactly.Although it should be noted that the technical scheme being exemplarily convenient to set forth the application in the following description with Tunnel testing, scope of the present invention is not limited thereto; Relevant monitoring unit and the system for monitoring go for various application scenario, the occasion of especially polyphaser shooting, and camera is taken at the volley or the occasion of taking moving target.
Fig. 2 shows according to exemplary embodiment of the present invention, for the schematic diagram of detection system detected the inner surface in tunnel 10.The system 200 that this detection system can comprise setting one or more photographing unit 100 on the moving platform, be monitored by monitoring unit 300 pairs of photographing unit 100 as the monitoring unit 300 and being convenient to of the Surveillance center in detection system.According to a kind of embodiment, nearly 16 or more photographing unit in detection system, can be comprised.
Photographing unit 100 can be digital camera, and such as use CCD or cmos element are as the camera of photo-sensitive cell.In one embodiment, photographing unit 100 comprises line-scan digital camera, the one section of line-like area (region that such as width is less than 1 millimeter) during each exposure on photographic subjects object.In one embodiment, photographing unit 100 has the light source for light filling, and this light source can throw light on to above-mentioned line-like area, to carry out high-speed capture under low light condition.Light source for light filling can be high-power Linear Laser light source.In one embodiment, photographing unit 100 is also provided with temperature sensor, thus the information relevant with the temperature of photographing unit 100 can be obtained.
Monitoring unit 300 such as can comprise computer, server etc., can be arranged on long-range machine room relative to tunnel 10, also can be arranged in the scene near tunnel 10 or tunnel 10.Monitoring unit 300 is collected the running status of each equipment in detection system and is coordinated the running of various piece.
System 200 comprises one or more video acquisition unit 210.Video acquisition unit 210 can be connected to monitoring unit 300 and photographing unit 100, for receiving the view data of shooting gained from this photographing unit 100.In one embodiment, video acquisition unit 210 can comprise computer or work station, is wherein provided with video frequency collection card as the interface with photographing unit 100.In one embodiment, video acquisition unit 210 can also receive the information relevant with the temperature of this photographing unit 100 from photographing unit 100.The number of the video acquisition unit 210 in system 200 can be identical with the number of photographing unit 100, and each video acquisition unit 210 is connected with a photographing unit 100.Or the number of video acquisition unit 210 also can be different from the number of photographing unit 100, wherein have at least a video acquisition unit 210 to be connected to multiple photographing unit 100.
System 200 also comprises movement monitoring unit (MMU) 220.MMU220 is connected to monitoring unit 300, for detecting the motion state of photographing unit 100.Or in the target captured by photographing unit 100 and in astatic situation, MMU220 also may be used for the motion state detecting photographic subjects.MMU220 sends the information of the motion state about photographing unit 100 or its photographic subjects to monitoring unit 300.This motion state can comprise the speed of photographing unit 100 or its photographic subjects and/or the direction of motion of photographing unit 100 or its photographic subjects.Or, also can be performed the judgement of the movement velocity about photographing unit 100 or its photographic subjects by MMU, and directly provide acceleration alert information as motion state according to result of determination (such as, this speed whether in preset range).In one embodiment, its movement velocity or direction can be determined by the positioner on photographing unit 100 (or photographing unit 100 be installed to motion platform), or by carrying out process to determine to captured image.
System 200 also comprises control unit of taking pictures (CCU) 230.CCU230 is connected to monitoring unit 300, for controlling photographing unit 100.Such as, CCU230 according to the state of detection system, can export various control signal to control the on/off of photographing unit 100, or whether the light source controlling photographing unit 100 exports light (or exporting how much light).CCU230 can send report information to monitoring unit 300, to show the output state of its each control signal.
MMU220 and CCU230 can comprise special computer separately, also can be integrated in same computer.In other embodiments, MMU220 and/or CCU230 also can be integrated in monitoring unit 300 or video acquisition unit 210.
In one embodiment, system 200 can also comprise switch 240.Video acquisition unit 210, MMU220 and CCU230 can be connected to monitoring unit 210 by switch 240.In one embodiment, detection system can adopt transmission control protocol (TCP) to communicate.Such as, monitoring unit 300 is as TCP server, and video acquisition unit 210, MMU220 and CCU230 carry out TCP communication as TCP client and monitoring unit 300.
Photographing unit 100, as a kind of electronic equipment, has heating in various degree at work, especially true when photographing unit 100 uses high speed, high-resolution line scan digital camera.In addition, the radiating condition of operational environment improper, near have other thermals source, abnormal electrical power supply, camera operation irregularity or the situation such as to break down all may make the temperature anomaly of camera raise.According to exemplary embodiment of the present invention, video acquisition unit 210 can receive the information relevant with the temperature of this photographing unit 100 from photographing unit 100, thus can monitor this.Such as, when this information relevant with temperature shows the temperature of photographing unit 100 higher than predetermined value, system 200 can enter alarm condition.Such as, monitoring unit 300, CCU230 or video acquisition unit 210 can carry out power operation to photographing unit 100, and the form such as sound, light also can be adopted to point out to user.Above-mentioned predetermined value can be such as certain value between 60 DEG C to 75 DEG C, and can be the characteristic according to photographing unit 100 and the value (such as when photographing unit 100 is when there will be fault for 75 DEG C, this value can be certain value lower than 75 DEG C) arranged.
In addition, when using light source to throw light on to destination object, if photographing unit 100 or destination object movement velocity are very slow, destination object will be subject to irradiating relatively for a long time.When the intensity of light source is larger, destination object may suffer damage.According to exemplary embodiment of the present invention, MMU220 can provide the information relevant with the motion state of photographing unit 100 or its photographic subjects.Such as, when this speed too low (first threshold lower than predetermined), system 200 also can enter alarm condition.Here, except carrying out power operation to photographing unit 100 or pointing out to user, alarm condition can also comprise the intensity of closing light source or reducing light source.This first threshold can be the numerical value relevant with the tolerance of the material of destination object to light source.In one embodiment, first threshold can be such as 0.4 thousand ms/h (km/h).
Otherwise, if photographing unit 100 or destination object movement velocity are very fast, then the image of shooting may be caused discontinuous.According to exemplary embodiment of the present invention, according to exemplary embodiment of the present invention, MMU220 can provide the information relevant with the motion state of photographing unit 100 or its photographic subjects.Such as, when this speed too high (Second Threshold higher than predetermined), system 200 also can enter alarm condition, such as, point out to user.This Second Threshold can be the numerical value relevant with the performance of photographing unit 100.In one embodiment, Second Threshold can be such as 25km/h.
Connection in detection system between all parts can adopt various ways, both can be wired connection, also can be wireless connections.
In sum, according to the system for monitoring photographing unit that the embodiment of the present invention provides, comprising: video acquisition unit, being connected to monitoring unit and photographing unit, for receiving view data from photographing unit; Movement monitoring unit, is connected to monitoring unit, for detecting the motion state of photographing unit or its photographic subjects, and sends the information about motion state to monitoring unit; Taking pictures control unit, being connected to monitoring unit, for controlling photographing unit.The present invention goes for various application scenario, the occasion of especially polyphaser shooting, and camera is taken at the volley or carry out effective monitoring in real time to the occasion that moving target is taken to target.
All parts embodiment of the present invention with hardware implementing, or can realize with the software module run on one or more processor, or realizes with their combination.Fig. 3 is according to exemplary embodiment of the present invention, can be used for realizing the block diagram that photographing unit carries out the intraware of multiple unit of the system monitored.The video acquisition unit that this system comprises, movement monitoring unit, take pictures control unit and monitoring unit, said units all can be considered an independently processing unit, and except special functional control action, said units possesses identical processing unit, processing unit comprises bus 409, for connecting each assembly following.Processing unit comprises processor 405, processor 405 can be such as one or more CPU (CPU) respectively with one or more process core, or one or more Graphics Processing Unit, or other treatment elements, such as digital signal processor (DSP).Processing unit can comprise buffer memory 406, and buffer memory can be coupled to processor 405 or be integrated in processor 405 as its part.This processing unit can comprise system storage, such as read-only memory (ROM) 403 and random access memory (RAM) 404.This processing unit can also comprise memory device (also referred to as external memory storage) 402, memory device 402 can be non-volatile computer-readable medium, such as CD, disk (such as hard disk or floppy disk), magneto optical disk, flash memory etc.Data can copy buffer memory 406 to from memory device 402, ROM403 or RAM404, in order to avoid the delay that causes of pending data such as processor 405 grade thus improve overall performance.
This processing unit can comprise at least one input equipment 401, mutual between user and this processing unit.Input equipment 401 such as can comprise keyboard, mouse, motion input devices, image capture element, gravity sensor, acoustic reception element, touch-screen etc.This processing unit can also comprise at least one output equipment 408.Output equipment 408 can be output mechanism well known in the art, such as loud speaker, buzzer, photoflash lamp, image projection unit, vibration output element, screen or touch-screen etc.This processing unit can also comprise the communication interface 407 for carrying out data communication in a wired or wireless fashion.Such as, communication interface 407 can comprise based on various cellular protocol, WiFi, bluetooth, infrared or near-field communication (NFC) and the antenna transmitted and receive data, and/or comprises the hardware socket based on the agreement such as USB (comprising micro-USB, mini-USB etc.), FireWire, HDMI, Lightening.
Although describe embodiments of the present invention by reference to the accompanying drawings, but those skilled in the art can make various amendment and distortion without departing from the spirit and scope of the present invention, such amendment and distortion all fall into by within described claim limited range.
Claims (10)
1. the system for monitoring photographing unit, comprising:
Video acquisition unit, is connected to monitoring unit and described photographing unit, for receiving view data from described photographing unit;
Movement monitoring unit, is connected to described monitoring unit, for detecting the motion state of described photographing unit or its photographic subjects, and sends the information about described motion state to described monitoring unit;
Taking pictures control unit, being connected to described monitoring unit, for controlling described photographing unit.
2. system according to claim 1, wherein, described video acquisition unit is also for receiving the temperature information of described photographing unit.
3. system according to claim 2, wherein, when described temperature information shows the temperature of described photographing unit higher than predetermined value, described system enters alarm condition.
4. system according to claim 1, wherein, described motion state comprises following at least one item: speed, the direction of motion and/or acceleration alert information.
5. system according to claim 4, wherein, when described speed is lower than predetermined first threshold or higher than predetermined Second Threshold, described system enters alarm condition.
6. the system according to claim 3 or 5, wherein, described alarm condition comprises following at least one item:
Power operation is carried out to described photographing unit;
Point out to user.
7. the system according to claim 3 or 5, wherein, described photographing unit has the light source for light filling, and described alarm condition comprises: close described light source or reduce the intensity of described light source.
8. system according to claim 7, wherein, described light source comprises Linear Laser light source.
9. system according to claim 1, wherein, described monitoring unit is as transmission control protocol server, and described video acquisition unit, described movement monitoring unit are communicated by transmission control protocol with described monitoring unit as transmission control protocol client with described control unit of taking pictures.
10. system according to claim 1, also comprises switch, and described video acquisition unit, described movement monitoring unit and described control unit of taking pictures are connected to described monitoring unit by described switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063906.7A CN105516690A (en) | 2016-01-28 | 2016-01-28 | System for monitoring photographing unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610063906.7A CN105516690A (en) | 2016-01-28 | 2016-01-28 | System for monitoring photographing unit |
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| CN105516690A true CN105516690A (en) | 2016-04-20 |
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| CN201610063906.7A Pending CN105516690A (en) | 2016-01-28 | 2016-01-28 | System for monitoring photographing unit |
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Address after: 100080 Beijing, Zhongguancun, South Street, No. two, room 7, room 122 Applicant after: Beijing Jiu Rui Technology Co. Ltd. Applicant after: Beijing University of Technology Address before: 100080 Beijing, Zhongguancun, South Street, No. two, room 7, room 122 Applicant before: BEIJING JINJIURUI TECHNOLOGY CO., LTD. Applicant before: Beijing University of Technology |
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Application publication date: 20160420 |