CN103929593A - Camera device capable of automatically adjusting detection distance and control method thereof - Google Patents
Camera device capable of automatically adjusting detection distance and control method thereof Download PDFInfo
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- CN103929593A CN103929593A CN201410174896.5A CN201410174896A CN103929593A CN 103929593 A CN103929593 A CN 103929593A CN 201410174896 A CN201410174896 A CN 201410174896A CN 103929593 A CN103929593 A CN 103929593A
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Abstract
The invention discloses a camera device capable of automatically adjusting a detection distance and a control method thereof. The camera device comprises an LED light filling module, a light detection module, an infrared detection module, a signal processing module, a DSP control module and a camera module. The light detection module, the LED light filling module, the camera module and the signal processing module are all electrically connected with the DSP control module, and the infrared detection module is electrically connected with the signal processing module. The light detection module detects the light intensity parameter in a real-time camera shooting environment and transmits the light intensity parameter to the signal processing module through the DSP control module. The signal processing module adjusts the processing parameter to an infrared detection distance according to a received control parameter and feeds the infrared detection distance parameter back to the DSP control module. The DSP control module controls the camera module to take images according to the received infrared detection distance parameter. The camera device capable of automatically adjusting the detection distance and the control method thereof can be used for adjusting the image taking distance of the camera module and are beneficial to improving the camera shooting quality of the camera device.
Description
Technical field
The present invention relates to monitoring camera equipment, relate in particular to a kind of camera head and control method thereof that can automatically regulate detection range.
Background technology
Existing safety monitoring shooting field comprises two kinds of common monitoring camera patterns: the infrared monitoring camera pattern of 24 hours uninterrupted image pickup modes and interruption.Hunting camera belongs to the infrared monitoring camera pattern of interruption, and its operation principle is after infrared detecting unit captures people or animal, just to start image unit shooting, and within all the other times, image unit shuts down.Use the advantage of the infrared monitoring camera pattern of being interrupted to be: this type of monitoring camera is used in people or the few place of animal activity quantity, can effective energy-conservation energy consumption be convenient to long-term use, reduces a large amount of invalid video data and is convenient to image data.This type of monitoring camera is owing to being arranged in relatively rare inclined to one side, the quiet place of personnel, and these places are nearly all there is no night illumination, and affect the monitoring camera shooting in evening.
The problem that can take evening for solving above-mentioned monitoring camera, present way is all to utilize LED lamp to compensate brightness at night, due to the light-decay characteristic of LED lamp, complementary range is generally all in 10m left and right.Shooting at night, the region beyond 10m is almost entirely black.And the hunting camera of use infrared photography, more than can easily accomplishing 30m now, when bright and clear, can both know imaging in the scope of 2m～30m daytime, and night due to LED light filling deficiency, cause the animal of detecting of 10m～30m part and the picture that photographs is almost complete black useless sheet.For this reason, be necessary above-mentioned camera head to be further improved.
Summary of the invention
The present invention proposes a kind of camera head and control method thereof of automatic adjusting detection range, what mainly solve is that hunting camera of the prior art is in the time of shooting at night, due to LED light filling deficiency, cause its animal of detecting to 10m～30m part the complete black problem of picture photographing.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the camera head that a kind of automatic adjusting detection range is provided, comprise LED supplementary lighting module, light detecting module, infrared detection module, signal processing module, DSP control module and photographing module, described light detecting module, LED supplementary lighting module, photographing module and signal processing module are electrically connected with DSP control module respectively, and described infrared detection module is electrically connected with signal processing module;
Described light detecting module detects the light intensity parameter in real-time photography environment and the light intensity parameter of detection is transferred to DSP control module, and described DSP control module generates corresponding control parameter and transfers to signal processing module according to the light intensity parameter receiving; Infrared acquisition signal is transferred to signal processing module by described infrared detection module, described signal processing module is according to the processing parameter of control parameter adjustment to infrared detecting distance receiving and to DSP control module feedback infrared detecting distance parameter, and described DSP control module is according to the infrared detecting distance parameter control photographing module capture receiving; Described LED supplementary lighting module provide night pickup-light source.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of control method of camera head of automatic adjusting detection range is provided, comprises the steps: S01, gather the light intensity parameter in imaging environment; S02, generate corresponding control parameter according to light intensity parameter; S03, according to controlling the processing parameter of parameter adjustment to infrared detecting distance and feeding back infrared detecting distance parameter; S04, according to the infrared detecting distance parameter focusing capture receiving.
Useful technique effect of the present invention is: be different from hunting camera of the prior art in the time of shooting at night, due to LED light filling deficiency, cause its animal of detecting to 10m～30m part the complete black problem of picture photographing, the invention provides a kind of camera head that can automatically regulate detection range, adopt light detecting module detect the light intensity parameter in real-time photography environment and the light intensity parameter of detection is transferred to DSP control module, and DSP control module generates corresponding control parameter and transfers to signal processing module according to the light intensity parameter receiving, signal processing module is according to the processing parameter of control parameter adjustment to infrared detecting distance receiving and to DSP control module feedback infrared detecting distance parameter, DSP control module is according to the infrared detecting distance parameter control photographing module capture receiving, can adjust the capture distance of photographing module, realize and use daytime long-range detection parameter to make a video recording, use evening proximity detection parameter to carry out shooting topic, be conducive to improve pickup quality.
Brief description of the drawings
Fig. 1 is the block diagram that the present invention can regulate the camera head of detection range automatically;
Fig. 2 is the block diagram that the present invention can regulate camera head one embodiment of detection range automatically;
Fig. 3 is the flow chart that the present invention can regulate the control method of the camera head of detection range automatically.
Label declaration:
11-photographing module, 12-DSP control module, 13-signal processing module, 14-light detecting module, 15-LED supplementary lighting module, 16-infrared detection module, 131-signal gain unit, 132-signal comparing unit.
Embodiment
By describing technology contents of the present invention, structural feature in detail, being realized object and effect, below in conjunction with execution mode and coordinate accompanying drawing to be explained in detail.
The invention provides a kind of camera head that can automatically regulate detection range, detect the light intensity parameter in real-time photography environment and the processing of light intensity parameter is adjusted to infrared detecting distance parameter by light detecting module, can adjust the capture distance of photographing module, thereby the complete black problem of the picture photographing while avoiding shooting at night, realize and use daytime long-range detection parameter to make a video recording, use evening proximity detection parameter to make a video recording, be conducive to improve pickup quality.
Refer to Fig. 1, the present embodiment provides a kind of camera head that can automatically regulate detection range, comprise LED supplementary lighting module 15, light detecting module 14, infrared detection module 16, signal processing module 13, DSP control module 12 and photographing module 11, described light detecting module 14, LED supplementary lighting module 15, photographing module 11 and signal processing module 13 are electrically connected with DSP control module 12 respectively, and described infrared detection module 16 is electrically connected with signal processing module 13;
Described light detecting module 14 detects the light intensity parameter in real-time photography environment and the light intensity parameter of detection is transferred to DSP control module 12, and described DSP control module 12 generates corresponding control parameter and transfers to signal processing module 13 according to the light intensity parameter receiving; Infrared acquisition signal is transferred to signal processing module 13 by described infrared detection module 16, described signal processing module 13 is according to the processing parameter of control parameter adjustment to infrared detecting distance receiving and feed back infrared detecting distance parameter to DSP control module 12, and described DSP control module 12 is according to infrared detecting distance parameter control photographing module 11 captures that receive; Described LED supplementary lighting module 15 provide night pickup-light source.
In a specific embodiment, described light detecting module 14 comprises photosensitive detection IC unit and analog to digital conversion circuit unit, and described photosensitive detection IC unit is electrically connected with AD conversion unit; Light intensity in described photosensitive detection IC unit inspection real-time photography environment is also delivered to AD conversion unit, and described AD conversion unit is delivered to DSP control module 12 after changing into digital signal according to light intensity.AD conversion unit will be less than 5lux and be defined as 0, be greater than 500lux and be defined as 255, and it is 254 parts of 1-254 that correspond respectively to digital signal that the light intensity between this is divided equally, altogether be divided into 256 parts.In the time detecting light intensity, light intensity is changed into the value between digital signaling zero-255, and transfer to DSP control module 12.
Consult Fig. 2, in a specific embodiment, described signal processing module 13 comprises signal gain unit 131 and signal comparing unit 132, and described signal gain unit 131 is electrically connected with signal comparing unit 132; Described signal gain unit 131 is according to controlling parameter adjustment signal amplification factor be delivered to signal comparing unit 132, and described signal comparing unit 132 relatively forms amplifying signal and default fixed value level signal and feeds back to DSP control module 12.Signal after amplification and default fixed value comparison, if be greater than, to DSP output 1, on the contrary output 0; So just can realize the adjustment to same animal distance of reaction.In concrete scheme, the multiplication factor of described signal gain unit 131 is 1-2 times.
In a concrete scheme: noon light intensity 600lux, the values of light that DSP control module 12 detects is 255, it is 2 that multiplication factor is set, the animal distance that can detect is 30m; When dawn, light intensity is 50lux, and the values of light that DSP control module 12 detects is 24, and it is 1.5 that multiplication factor is set, the animal distance that can detect is 20m, and night, light intensity was 1lux, and the value that DSP control module 12 detects is 0, it is 1 that multiplication factor is set, and the animal distance that can detect is 12m.Above-mentioned lux is illumination unit.
In a specific embodiment, the quantity of described LED supplementary lighting module 15 is two or more.The interval of multiple supplementary lighting module arranges, and can expand the scope of light filling.
Consult Fig. 3, the present invention also provides a kind of control method that can automatically regulate the camera head of detection range, comprises the steps:
Light intensity parameter in S01, collection imaging environment.
S02, generate corresponding control parameter according to light intensity parameter;
S03, according to controlling the processing parameter of parameter adjustment to infrared detecting distance and feeding back infrared detecting distance parameter;
S04, according to the infrared detecting distance parameter focusing capture receiving.
Can automatically regulate the control method of the camera head of detection range, utilize light intensity parameter to regulate the capture of processing parameter and then the adjusting camera head of infrared detecting distance, can realize and use daytime long-range detection parameter to make a video recording, use evening proximity detection parameter to make a video recording.
In a specific embodiment, in described step S01, specifically comprise step,
Light intensity parameter in S11, collection imaging environment,
S12, light intensity parameter is changed into digital signal, be specially: will be less than 5lux and be defined as 0, and be greater than 500lux and be defined as 255, the value between 5-500lux is divided equally into 254 deciles, the corresponding numerical value 1-254 of these 254 parts of difference;
S13, will represent that the digital data transmission of light intensity is to DSP control module 12.In the time detecting light intensity, light intensity is changed into the value between digital signaling zero-255, and transfer to DSP control module 12.
In a specific embodiment, in described step S03, specifically comprise step,
S31, according to controlling parameter adjustment signal amplification factor,
S32, by amplifying signal and default fixed value comparison, if amplifying signal is greater than default fixed value, to DSP control module feedback high level signal, otherwise, to DSP control module feedback low level signal.Signal after amplification and default fixed value comparison, if be greater than, to DSP output 1, on the contrary output 0; So just can realize the adjustment to same animal distance of reaction.
Be different from hunting camera of the prior art in the time of shooting at night, due to LED light filling deficiency, cause its animal of detecting to 10m～30m part the complete black problem of picture photographing, the invention provides a kind of camera head that can automatically regulate detection range, adopt light detecting module detect the light intensity parameter in real-time photography environment and the light intensity parameter of detection is transferred to DSP control module, and DSP control module generates corresponding control parameter and transfers to signal processing module according to the light intensity parameter receiving, signal processing module is according to the processing parameter of control parameter adjustment to infrared detecting distance receiving and to DSP control module feedback infrared detecting distance parameter, DSP control module is according to the infrared detecting distance parameter control photographing module capture receiving, can adjust the capture distance of photographing module, realize and use daytime long-range detection parameter to make a video recording, use evening proximity detection parameter to make a video recording, be conducive to improve pickup quality.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. one kind can regulate the camera head of detection range automatically, it is characterized in that, comprise LED supplementary lighting module, light detecting module, infrared detection module, signal processing module, DSP control module and photographing module, described light detecting module, LED supplementary lighting module, photographing module and signal processing module are electrically connected with DSP control module respectively, and described infrared detection module is electrically connected with signal processing module;
Described light detecting module detects the light intensity parameter in real-time photography environment and the light intensity parameter of detection is transferred to DSP control module, and described DSP control module generates corresponding control parameter and transfers to signal processing module according to the light intensity parameter receiving; Infrared acquisition signal is transferred to signal processing module by described infrared detection module, described signal processing module is according to the processing parameter of control parameter adjustment to infrared detecting distance receiving and to DSP control module feedback infrared detecting distance parameter, and described DSP control module is according to the infrared detecting distance parameter control photographing module capture receiving; Described LED supplementary lighting module provide night pickup-light source.
2. the camera head that can automatically regulate detection range according to claim 1, is characterized in that, described light detecting module comprises photosensitive detection IC unit and analog to digital conversion circuit unit, and described photosensitive detection IC unit is electrically connected with AD conversion unit; Light intensity in described photosensitive detection IC unit inspection real-time photography environment is also delivered to AD conversion unit, and described AD conversion unit is delivered to DSP control module after changing into digital signal according to light intensity.
3. the camera head that can automatically regulate detection range according to claim 1, is characterized in that, described signal processing module comprises signal gain unit and signal comparing unit, and described signal gain unit is electrically connected with signal comparing unit; Described signal gain unit is according to controlling parameter adjustment signal amplification factor be delivered to signal comparing unit, and described signal comparing unit relatively forms amplifying signal and default fixed value level signal and feeds back to DSP control module.
4. the camera head that can automatically regulate detection range according to claim 3, is characterized in that, the multiplication factor of described signal gain unit is 1-2 times.
5. the camera head that can automatically regulate detection range according to claim 1, is characterized in that, the quantity of described LED supplementary lighting module is two or more.
6. the control method that can automatically regulate the camera head of detection range, is characterized in that, comprises the steps:
Light intensity parameter in S01, collection imaging environment;
S02, generate corresponding control parameter according to light intensity parameter;
S03, according to controlling the processing parameter of parameter adjustment to infrared detecting distance and feeding back infrared detecting distance parameter;
S04, according to the infrared detecting distance parameter focusing capture receiving.
7. the control method that can automatically regulate the camera head of detection range according to claim 6, is characterized in that, specifically comprises step in described step S01,
Light intensity parameter in S11, collection imaging environment,
S12, light intensity parameter is changed into digital signal, be specially: will be less than 5lux and be defined as 0, and be greater than 500lux and be defined as 255, the value between 5-500lux is divided equally into 254 parts;
S13, will represent that the digital data transmission of light intensity is to DSP control module.
8. the control method that can automatically regulate the camera head of detection range according to claim 6, is characterized in that, specifically comprises step in described step S03,
S31, according to controlling parameter adjustment signal amplification factor,
S32, by amplifying signal and default fixed value comparison, if amplifying signal is greater than default fixed value, to DSP control module feedback high level signal, otherwise, to DSP control module feedback low level signal.
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| CN201410174896.5A CN103929593A (en) | 2014-04-28 | 2014-04-28 | Camera device capable of automatically adjusting detection distance and control method thereof |
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| CN201410174896.5A CN103929593A (en) | 2014-04-28 | 2014-04-28 | Camera device capable of automatically adjusting detection distance and control method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763803A (en) * | 2016-02-29 | 2016-07-13 | 广东欧珀移动通信有限公司 | Control method and device and electronic device |
| CN105847699A (en) * | 2016-05-20 | 2016-08-10 | 深圳市乐视视频技术有限公司 | Camera device and camera system |
| WO2017147841A1 (en) * | 2016-03-03 | 2017-09-08 | 陈台国 | System for night photography and method thereof |
-
2014
- 2014-04-28 CN CN201410174896.5A patent/CN103929593A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763803A (en) * | 2016-02-29 | 2016-07-13 | 广东欧珀移动通信有限公司 | Control method and device and electronic device |
| WO2017147841A1 (en) * | 2016-03-03 | 2017-09-08 | 陈台国 | System for night photography and method thereof |
| CN105847699A (en) * | 2016-05-20 | 2016-08-10 | 深圳市乐视视频技术有限公司 | Camera device and camera system |
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