KR20170093345A - Video surveillance devices - Google Patents
Video surveillance devices Download PDFInfo
- Publication number
- KR20170093345A KR20170093345A KR1020160014609A KR20160014609A KR20170093345A KR 20170093345 A KR20170093345 A KR 20170093345A KR 1020160014609 A KR1020160014609 A KR 1020160014609A KR 20160014609 A KR20160014609 A KR 20160014609A KR 20170093345 A KR20170093345 A KR 20170093345A
- Authority
- KR
- South Korea
- Prior art keywords
- camera
- led
- image
- video surveillance
- unit
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000005286 illumination Methods 0.000 claims abstract description 9
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
- G08B13/19613—Recognition of a predetermined image pattern or behaviour pattern indicating theft or intrusion
Abstract
The present invention relates to a video surveillance apparatus that guarantees the lifetime of an LED illumination and improves motion recognition performance. The video surveillance apparatus includes a camera for capturing an image for monitoring a predetermined area, and an LED for providing illumination in a capturing range of the camera A video surveillance apparatus comprising: a motion detection unit receiving a change value of an image frame from the camera; A sensor unit for sensing at least one of a visible light and an infrared light with respect to an image capturing range of the camera; A light controller for receiving at least one of the motion sensing unit and the sensor unit and controlling the brightness of the LED; And a frame transmitting unit for transmitting the image frame photographed by the camera to the designated monitoring center terminal.
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video surveillance apparatus, and more particularly, to a video surveillance apparatus that guarantees the lifetime of an LED illumination and improves motion recognition performance.
Conventional video surveillance devices are mainly used for general videos, but current video surveillance devices are being used in various fields using LED lighting for vehicle number recognition and object recognition.
One of the components of the video surveillance system using LED is divided into a global shutter system and a rolling shutter system.
In the case of the global shutter method, the camera generates a signal when shooting. For example, when dividing by 30 frames, one frame becomes about 33 ms. During 1 ms, the LED turns on and the LED goes off for 32 ms. Therefore, the LED is operated for 1ms at a cycle of 32ms, which is advantageous for heat generation.
However, unlike the global shutter described above, the rolling shutter is vulnerable to heat because the LED is turned on (NO) for 32 ms during 33 ms. This also has the problem that it can not be synchronized because it can not capture and strobe.
SUMMARY OF THE INVENTION It is an object of the present invention to solve the problems derived from the prior art, and to provide a video surveillance device that guarantees the lifetime of an LED and improves motion recognition performance.
Meanwhile, the object of the present invention is not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood from the following description.
According to an embodiment of the present invention, there is provided an image surveillance apparatus including a camera that photographs an image to monitor a predetermined area, and an LED that provides illumination in a range of the image capturing of the camera, A motion detection unit receiving a frame change value; A sensor unit for sensing at least one of a visible light and an infrared light with respect to an image capturing range of the camera; A light controller for receiving at least one of the motion sensing unit and the sensor unit and controlling the brightness of the LED; And a frame transmitting unit for transmitting the image frame photographed by the camera to the designated monitoring center terminal.
According to the present invention, the following effects can be expected.
First, it maximizes the illumination brightness of the LED while the motion is detected by the camera, and minimizes the brightness of the LED after the motion detection. Thus, the lifetime of the LED can be improved.
Second, since the brightness of the light is instantaneously maximized, it is possible to realize a bright LED light compared with the conventional one.
Third, there is an effect that the object discrimination power can be improved through the combination of the visible light detection signal and the infrared light detection signal.
BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described below, but may be embodied in various different forms, and these embodiments are not intended to be exhaustive or to limit the scope of the present invention to the precise form disclosed, It is provided to inform the person completely of the scope of the invention. And the terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. The singular forms herein include plural forms unless the context clearly dictates otherwise.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Brief Description of Drawings FIG. 1 is a block diagram of a computer system according to an embodiment of the present invention; FIG. 2 is a block diagram of a computer system according to an embodiment of the present invention; FIG.
The video surveillance apparatus according to an embodiment of the present invention basically includes a camera and an LED, and the camera captures an image for monitoring a certain area, and the LED provides illumination for a video capturing range of the camera .
According to another aspect of the present invention, there is provided an image sensing apparatus including a motion sensing unit receiving a change value of an image frame from the camera, a sensor unit sensing at least one of visible light and infrared light with respect to the image sensing range of the camera, A lighting control unit receiving the signal of at least one of the motion sensing unit and the sensor unit and controlling the brightness of the LED, and a frame transmitting unit transmitting the image frame photographed by the camera to the designated monitoring center terminal .
First, the motion detection unit detects a frame change in a software manner through a predetermined algorithm and identifies an object in a photographed range.
Next, the sensor unit is configured for more accurate object identification when the motion detection unit can not identify the object or by combining with the motion detection unit. Such a sensor unit may be a combination of a visible light sensor and an infrared sensor, and the accuracy of object identification can be improved through signals received by the two sensors.
Next, the illumination control unit controls the illumination brightness of the LED so that the object identified through the motion sensing unit and the sensor unit can be clearly photographed. That is, when the object is not identified, the LED is adjusted to within 20% of the maximum outputable brightness, and when the object is identified, the LED is adjusted to the maximum outputable brightness.
Therefore, when the object is identified, the brightness of the object can be more clearly photographed by maximizing the brightness of the light. In the case where the object is not identified, the brightness of the light is minimized.
In addition, conventionally, due to the heat generation problem of the LED that operates for 24 hours, the brightness of the subject is kept at about 70% without maximizing the brightness during the object photographing. It is possible to achieve a reduction in power consumption and an improvement in the lifetime as well as realizing a bright LED light compared with the conventional one.
Finally, the frame transmission unit transmits the image photographed by the camera to the monitoring center terminal in real time. At this time, the object other than all the images is identified and only the changed frame image is transmitted, thereby reducing the traffic load and saving the storage space of the image data. .
The foregoing has outlined rather broadly the features and technical advantages of the present invention in order that the claims of the invention to be described below may be better understood. It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the appended claims and their equivalents should be construed as being included within the scope of the present invention.
Claims (1)
A motion detection unit receiving the image frame change value from the camera;
A sensor unit for sensing at least one of a visible light and an infrared light with respect to an image capturing range of the camera;
A light controller for receiving at least one of the motion sensing unit and the sensor unit and controlling the brightness of the LED; And
A frame transmitting unit for transmitting an image frame photographed by the camera to a designated monitoring center terminal;
Wherein the video monitoring device comprises:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160014609A KR20170093345A (en) | 2016-02-05 | 2016-02-05 | Video surveillance devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160014609A KR20170093345A (en) | 2016-02-05 | 2016-02-05 | Video surveillance devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170093345A true KR20170093345A (en) | 2017-08-16 |
Family
ID=59752643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020160014609A KR20170093345A (en) | 2016-02-05 | 2016-02-05 | Video surveillance devices |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20170093345A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948607A (en) * | 2017-12-15 | 2018-04-20 | 广东昭信照明科技有限公司 | The methods of exhibiting of wisdom lamp stand management system |
-
2016
- 2016-02-05 KR KR1020160014609A patent/KR20170093345A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948607A (en) * | 2017-12-15 | 2018-04-20 | 广东昭信照明科技有限公司 | The methods of exhibiting of wisdom lamp stand management system |
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