CN1798261A - Equipment and method for controlling shooting mode of monitoring camera - Google Patents
Equipment and method for controlling shooting mode of monitoring camera Download PDFInfo
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- CN1798261A CN1798261A CN 200410099045 CN200410099045A CN1798261A CN 1798261 A CN1798261 A CN 1798261A CN 200410099045 CN200410099045 CN 200410099045 CN 200410099045 A CN200410099045 A CN 200410099045A CN 1798261 A CN1798261 A CN 1798261A
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- monitoring camera
- photograph mode
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Abstract
The method includes: to monitor the variation of environment and the invader, the monitoring video camera can be installed in any occasions; the location information of the monitored area is saved in the video camera; with setting the shooting mode into daytime mode or in night mode, the video camera can automatically select an optimal mode fitting the current time and the occasion, and automatically adjust the gain of image signal and the camera aperture to avoid change of shooting mode caused by temporarily light variation.
Description
(1) technical field
The invention relates in order to monitor and photograph surrounding enviroment variation and effractor etc., the photograph mode control device and the method for a kind of monitoring camera of monitoring camera is set in any particular place.
(2) background technology
Fig. 1 is the schematic diagram that the photograph mode of common monitoring camera is set at the state of day mode.Above-mentioned monitoring camera is made of following components: lens 10; Aperture (IRIS) 11; Charge-coupled device (CCD) 12; Image processing system 13; Microcomputer 14; Optical low-pass filter (Optical LPF) 15; Artificial mirror (Dummy Glass) 16.
On the other hand, when according to the input of user's operation keys, when the photograph mode of monitoring camera was set at day mode, the action of above-mentioned microcomputer 14 control image processing systems 13 was carried out colored (Color) image processing action, the output chromatic image.
And, the level and automatic gain adjustment (AGC) value of the signal of video signal that detects according to above-mentioned image processing system 13, said aperture 11 is adjusted, for example, when the level height of above-mentioned signal of video signal, when automatic gain adjustment (AGC) value is low, can judge by said lens 10, light to charge coupled device 12 incidents is many, carries out a succession of aperture adjustment action of dwindling said aperture 11 gradually.
Then, as shown in Figure 2,,, be used alternatingly optical low-pass filter (OLPF) 15 at the front end of above-mentioned charge coupled device 12 if the photograph mode of monitoring camera is set at day mode (DayMode).Above-mentioned optical low-pass filter 15 can by such as small-sized stepper motor (Step Motor) 19 left/right side transfers, and has the cut-out action of ultraviolet ray.
On the other hand, when of the operation keys input of above-mentioned microcomputer 14 according to the user, when the photograph mode of monitoring camera is set at Night (Night Mode), as shown in Figure 2, contrary direction drives above-mentioned stepper motor (Step Motor) 19, above-mentioned artificial mirror 16 is used alternatingly at the front end of charge coupled device 12, above-mentioned artificial mirror 16 is made by transparent glass, have and do not cut off incident light, the effect of identical refractive index when simultaneously, keeping with the above-mentioned optical low-pass filter 15 of use.
And if the photograph mode of monitoring camera is set at Night, as shown in Figure 3, the action of the above-mentioned image processing system 13 of above-mentioned microcomputer 14 controls is carried out the action of netrual colour (No-Color) image processing, the output black-and-white image.That is, when black and white image was handled action, the level and automatic gain adjustment (AGC) value of the signal of video signal that detects according to image processing system 13 were adjusted said aperture 11.
Therefore, when the photograph mode of monitoring camera is set at day mode, when being used alternatingly optical low-pass filter, carry out the Color Image Processing action; When the photograph mode of monitoring camera is set at Night, when being used alternatingly artificial mirror, carrying out black and white image and handle action.
But common monitoring camera exists the influence that is subjected to peripheral brightness for the moment, the problem that photograph mode automatically changes and vibrates.For example, the photograph mode of monitoring camera is set under the state of Night, when the car of opening front lamp through out-of-date sharply increase owing to incide the light of monitoring camera, above-mentioned monitoring camera changes by Night photograph mode to day mode.
And, after the car warp, sharply reducing if incide the light of existing monitoring camera, the photograph mode of above-mentioned monitoring camera is changed to Night by day mode.Because the change of above-mentioned photograph mode causes optical low-pass filter and artificial mirror constantly to replace, there is the problem of unnecessarily carrying out Color Image Processing action and black and white image processing action in it.
(3) summary of the invention
The present invention is in order to address the above problem, its objective is to the user provides a kind of automatic setting the setting area of suitable monitoring camera and the photograph mode on present time and date the time, can effectively prevent because peripheral for the moment brightness changes the photograph mode control device and the method for the monitoring camera of any change of the photograph mode that causes and vibration.
To achieve these goals, the photograph mode control device of monitoring camera of the present invention is made of following components, and as feature: the memory of the positional information in the zone that the storage monitoring camera is provided with; Calculate the present time and the time timer on date; According to the present time of aforementioned calculation and the positional information of date and storage, the photograph mode of monitoring camera is set at the microcomputer of day mode and Night.
And the photograph mode control method of monitoring camera of the present invention comprises following step, and as feature: present time and date and positional information are confirmed in the retrieval of the 1st step; The 2nd step is according to the time and date positional information of above-mentioned retrieval, and the photograph mode of monitoring camera is set at pattern in day mode and the Night.
And the photograph mode control method of monitoring camera of the present invention comprises following step, and as feature: step 1, in the memory of monitoring camera,, store sunrise and sunset information in advance according to the not same date that uses the zone; Step 2 is according to user's operation keys input, use location information and the present time and the date of input monitoring camera; Step 3 is according to use location information and the present time and the date of above-mentioned input, and retrieval is with reference to the sunrise and the sunset information of having stored in the above-mentioned memory, and the photograph mode of monitoring camera is set at day mode or Night.
Effect of the present invention:
The photograph mode control device and the method for the monitoring camera of the present invention that constitutes according to said structure in order to monitor and the surrounding enviroment of photographing change and the effractor, are being provided with monitoring camera in the particular place arbitrarily.The positional information that the zone of monitoring camera is set is stored in the device, retrieval is confirmed above-mentioned positional information and is reached the date now, be set at day mode (Day Mode) or Night (Night Mode) by photograph mode, can automatically set the setting area and the photograph mode on present time and date of suitable monitoring camera monitoring camera.And, when being set, photograph mode remains under the state of day mode and Night, by level and automatic gain adjustment (AGC) value according to the signal of video signal of photographing, (IRIS) adjusts to aperture, can prevent because the change and the vibration of the photograph mode that causes such as peripheral brightness variation for the moment.Level and automatic gain adjusted value when according to the signal of video signal of above-mentioned photography in the places such as parking lot of dark, when judgement need be provided with monitoring camera, can continue to keep Night.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the schematic diagram that the photograph mode of common monitoring camera is set at the state of day mode.
Fig. 2 is according to day mode and Night, is used alternatingly the schematic diagram of the embodiment of the optical low-pass filter that comprises in the common monitoring camera and artificial mirror.
Fig. 3 is the schematic diagram that the photograph mode of common monitoring camera is set at the state of Night.
Fig. 4 is the formation schematic diagram that is suitable for the monitoring camera of photograph mode control device of the present invention and method.
Fig. 5 is the action flow chart of the photograph mode control method of monitoring camera of the present invention.
Fig. 6 is the action flow chart of another embodiment of photograph mode control method of monitoring camera of the present invention.
The symbol description of major part in the accompanying drawing:
10,20: lens 11,21: aperture
12,22: charge coupled device 13,23: image processing system
14,24: microcomputer 15,25: optical low-pass filter
16,26: artificial mirror 27: timer
28: memory
(5) embodiment
Below with reference to accompanying drawings, to the photograph mode control device of monitoring camera of the present invention and method
Embodiment is elaborated.
Fig. 4 is the formation schematic diagram that is suitable for the monitoring camera of photograph mode control device of the present invention and method.The monitoring camera that is suitable for photograph mode control device of the present invention and method is made of following several parts: lens 20; Aperture (IRIS) 21; Charge-coupled device (CCD) 22; Image processing system 23; Microcomputer 24; Optical low-pass filter (Optical LPF) 25; Artificial mirror (Dummy Glass) 26.Simultaneously, also comprise following components: calculate present time and the timer on date 27; The positional information (Position_info) in the zone that the storage monitoring camera is provided with, for example, the non-volatility memorizer 28 of gradient and half-tone information and diagram title etc.
On the other hand, above-mentioned microcomputer 24 is according to user's operation keys input, the photograph mode of monitoring camera is set at day mode (Day Mode) and Night (Night Mode) or retrieval confirms the positional information of 28 li storages of above-mentioned memory and the present time and the date of calculating, the photograph mode of monitoring camera is set at any one pattern in day mode and the Night by above-mentioned timer 27.
For example, if retrieval is confirmed the positional information of 28 li storages of above-mentioned memory and the present time that calculates by above-mentioned timer 27 and the result on date and is, when the present status in the zone of monitoring camera setting was night, above-mentioned microcomputer 24 was set at Night with photograph mode.
That is, such just as shown in Figure 4, above-mentioned artificial mirror 26 is used alternatingly at the front end of charge coupled device 22, and netrual colour (No-Color) image is carried out in 23 actions of control image processing system, that is, black and white image is handled action, the output black-and-white image.And above-mentioned image processing system 23 is adjusted said aperture 21 according to the level and automatic gain adjustment (AGC) value of the signal of video signal that detects.
On the contrary, if retrieval is confirmed the positional information of above-mentioned memory 28 storages and the present time that calculates by above-mentioned timer 27 and the result on date and is, when the present status in the zone of monitoring camera setting was daytime, above-mentioned microcomputer 24 was set at day mode with photograph mode.
Promptly, as shown in Figure 1, when the front end of charge coupled device 22 is used alternatingly above-mentioned optical low-pass filter 26, control the action of above-mentioned image processing system 23, carry out the action of colour (Color) image processing, and the level and automatic gain adjustment (AGC) value of the signal of video signal that detects according to above-mentioned image processing system 23 are adjusted said aperture 21.
And, above-mentioned microcomputer 24 is according to the level and the automatic gain adjusted value of the signal of video signal of photography, in the place of dark (for example: the underground parking), when judgement need be provided with monitoring camera, continue to keep Night, along with interim peripheral brightness variation etc., photograph mode does not change and vibrates.For example, under the state of setting Night, even opening the car process of front lamp, photograph mode still keeps Night.
Fig. 5 is the action flow chart of the photograph mode control method of monitoring camera of the present invention.
S10, S11 for example, possess the user of monitoring camera, when opening (On) system power supply, carry out a series of system start-up action, and at this moment, the present time and the date of calculating by above-mentioned timer 27 examined in above-mentioned microcomputer 24 retrievals.
S12, then, the positional information of 28 li storages of above-mentioned memory is confirmed in above-mentioned microcomputer 24 retrievals, for example, after the gradient and half-tone information and diagram title etc. in the zone that monitoring camera is provided with.
S13, present time and date and gradient and half-tone information according to above-mentioned retrieval is confirmed illustrate title in addition, judge whether the present status in the zone of monitoring camera setting is night (Night).
S14, S15, then, by above-mentioned a series of process, if judge that the present status in the zone of monitoring camera setting is night, above-mentioned microcomputer 24 is set at Night (Night Mode) with the photograph mode of monitoring camera, when the front end of charge coupled device 22 is used alternatingly above-mentioned artificial mirror 26, control the action of above-mentioned image processing system 23, carry out black and white image and handle action.
S16, S17, on the other hand, by above-mentioned a series of process, if judge that the present status in the zone of monitoring camera setting is daytime, above-mentioned microcomputer 24 is set at day mode (Day Mode) with the photograph mode of monitoring camera, when the front end of charge coupled device 22 is used alternatingly above-mentioned optical low-pass filter 25, control the action of above-mentioned image processing system 23, carry out the Color Image Processing action.
S18, therefore, can automatically set the setting area and the photograph mode on present time and date of suitable monitoring camera, after, when being set, photograph mode remains under the state of day mode and Night, above-mentioned microcomputer 24 is carried out according to the level of the signal of video signal of photography and automatic gain adjustment (AGC) value, adjusts a succession of aperture adjustment action of aperture (IRIS).
S19 then, up to the request shutdown system, carries out above-mentioned action always.Like this, can prevent because the change and the vibration of the photograph mode that causes such as peripheral brightness variation for the moment.
And, level and automatic gain adjusted value according to the signal of video signal of above-mentioned photography, in the place of dark (for example, the underground parking), when judgement need be provided with monitoring camera, above-mentioned microcomputer 24 continues to keep Nights, and along with peripheral brightness variation for the moment etc., photograph mode does not change and vibrates.
Fig. 6 is the action flow chart of another embodiment of photograph mode control method of monitoring camera of the present invention.
S30 for example, makes the company of selling monitoring camera is provided with a plurality of zones of use according to monitoring camera not same date, stores sunrise/sunset information in advance for 28 li at memory.
S31, S32, on the other hand, the user that the above-mentioned monitoring camera of use is set at any particular place imports present position information, for example, gradient, position information such as gray scale and diagram title, and, input present time and date are with positional information and present time and date and time information sunrise/sunset information storage administration of the not same date in each zone of storage in advance in above-mentioned memory of above-mentioned user's input.
S33, then, the user can import photograph mode interval change-over time (Time Interval) before and after setting sunrise/sunset.For example, before can selecting to import between at sunrise 20 minutes are converted to day mode or after sunset time 30 minutes with photograph mode, and photograph mode change-over time that photograph mode is converted to Night at interval.
S34, and, the microcomputer 24 of above-mentioned monitoring camera confirms with reference to the positional information of user's input and present time and day after date, selects to be set in effectively sunrise/sunset information in the sunrise/sunset information of not same date in a plurality of zones of having stored in the above-mentioned memory.
S35 then, with reference to the present time and the date of calculating by above-mentioned timer 27, for example, when day mode is set under the preceding 20 minutes situation of sunrise change-over time at interval, judges whether the present time that calculates by above-mentioned timer is 20 timesharing before the sunrise.
S36, if present time is to be 20 timesharing before the sunrise, above-mentioned microcomputer 24 is set at day mode with photograph mode, when the front end of charge coupled device 22 is used alternatingly optical low-pass filter 25, the Color Image Processing action is carried out in the action of control image processing system 23.
S37, on the contrary, when judge among the S35 present time be not sunrise before 20 timesharing, Night is set under 30 minutes the situation of post sunset change-over time at interval, judge whether the present time that calculates by above-mentioned timer is post sunset 30 timesharing.
S38, if present time is to be post sunset 30 timesharing, above-mentioned microcomputer 24 is set at Night with photograph mode, when the front end of charge coupled device 22 is used alternatingly above-mentioned artificial mirror 26, control the action of above-mentioned image processing system 23, carry out black and white image and handle action.
S39, after, when being set, photograph mode remains under the state of day mode and Night, because above-mentioned microcomputer 24 carries out level and automatic gain adjustment (AGC) value according to the signal of video signal of photography, adjust a succession of aperture adjustment action of aperture (IRIS), can automatically set optimal photograph mode, can prevent because the change and the vibration of the photograph mode that causes of the variation of peripheral brightness for the moment.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (13)
1, a kind of photograph mode control device of monitoring camera is characterized in that being made of following components:
The memory of the positional information in the zone that the storage monitoring camera is provided with;
Calculate the present time and the timer on date;
According to the present time of aforementioned calculation and the positional information of date and above-mentioned storage, the photograph mode of monitoring camera is set at the microcomputer of day mode and Night.
2, the photograph mode control device of monitoring camera as claimed in claim 1 is characterized in that also comprising:
When the photograph mode of monitoring camera is set described day mode, the optical low-pass filter that is used alternatingly;
When the photograph mode of monitoring camera is set described Night, the artificial mirror that is used alternatingly;
Under above-mentioned day mode state, carry out the Color Image Processing action, under above-mentioned Night state, carry out the image processing system that black and white image is handled action.
3, the photograph mode control device of monitoring camera as claimed in claim 1 is characterized in that:
Under the state that keeps described any one pattern that is set at day mode and Night, described microcomputer is adjusted aperture according to the level and the automatic gain adjusted value of the signal of video signal of monitoring camera photography.
4, the photograph mode control device of monitoring camera as claimed in claim 1 is characterized in that:
When the level and the automatic gain adjusted value of the signal of video signal of photographing according to described monitoring camera, in the places such as parking lot of dark, when judgement need be provided with monitoring camera, described microcomputer can continue to keep Night.
5, the photograph mode control device of monitoring camera as claimed in claim 1 is characterized in that:
Described positional information is at least more than one a information in the gradient in the zone that is provided with of monitoring camera and gray scale and the diagram title.
6, a kind of control method of photograph mode control device of monitoring camera as claimed in claim 1 is characterized in that comprising following step:
The 1st step, present time and date are confirmed in retrieval, and positional information;
The 2nd step, according to the time and date of above-mentioned retrieval, positional information is set at pattern in day mode and the Night with the photograph mode of monitoring camera.
7, the photograph mode control method of monitoring camera as claimed in claim 6 is characterized in that:
Described positional information is at least more than one a information in the gradient of having stored in the non-volatility memorizer in the device and gray scale and the diagram title.
8, the photograph mode control method of monitoring camera as claimed in claim 6 is characterized in that also comprising the steps:
When the photograph mode of monitoring camera is set at day mode, when being used alternatingly optical low-pass filter, carry out the Color Image Processing action, when the photograph mode of monitoring camera is set at Night, when being used alternatingly artificial mirror, carry out the step that black and white image is handled action.
9, the photograph mode control method of monitoring camera as claimed in claim 6 is characterized in that also comprising the steps:
In day mode that keeps described setting and Night under the state of any one pattern,, adjust the step of aperture according to the level and the automatic gain adjusted value of the signal of video signal of the photography of described monitoring camera.
10, the photograph mode control method of monitoring camera as claimed in claim 6 is characterized in that:
Level and automatic gain adjusted value when according to the signal of video signal of the photography of described monitoring camera in the places such as parking lot of dark, when judgement need be provided with monitoring camera, continue to keep the step of Night.
11, the control method of the photograph mode control device of the described monitoring camera of a kind of claim 1 is characterized in that comprising following step:
Step 1 according to the not same date that uses the zone, is stored sunrise and sunset information in advance in the memory of monitoring camera;
Step 2 is according to user's operation keys input, use location information and the present time and the date of input monitoring camera;
Step 3, according to use location information and the present time and the date of above-mentioned input, retrieval is with reference to the sunrise and the sunset information of having stored in the above-mentioned memory, and the photograph mode of monitoring camera is set at day mode and Night.
12, as the photograph mode control method of claim item 11 described monitoring cameras, it is characterized in that:
Described step 2 is exactly according to the input of user's operation keys, before and after input sunrise/sunset time the daytime/Night change-over time at interval.
13, the photograph mode control method of monitoring camera as claimed in claim 12 is characterized in that:
Described step 3 be exactly retrieval with reference to before and after the above-mentioned sunrise/sunset time the daytime/Night change-over time at interval, between at sunrise before, day mode is set in conversion or after sunset time, Night is set in conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100990455A CN100377572C (en) | 2004-12-27 | 2004-12-27 | Equipment and method for controlling shooting mode of monitoring camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100990455A CN100377572C (en) | 2004-12-27 | 2004-12-27 | Equipment and method for controlling shooting mode of monitoring camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1798261A true CN1798261A (en) | 2006-07-05 |
| CN100377572C CN100377572C (en) | 2008-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100990455A Expired - Fee Related CN100377572C (en) | 2004-12-27 | 2004-12-27 | Equipment and method for controlling shooting mode of monitoring camera |
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| CN (1) | CN100377572C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101163198B (en) * | 2006-10-13 | 2010-06-16 | 三星电子株式会社 | Portable composition apparatus and method for controlling photographing mode |
| CN101770136B (en) * | 2009-01-07 | 2011-11-23 | 亚洲光学股份有限公司 | Gain correction device and method for correcting gain values |
| CN103888652A (en) * | 2012-12-19 | 2014-06-25 | 深圳市欣动态影像科技有限公司 | PTZ camera scene adaptive image parameter control method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000050238A (en) * | 1998-07-27 | 2000-02-18 | Matsushita Electric Ind Co Ltd | Monitor camera device |
| KR100367595B1 (en) * | 2000-07-06 | 2003-01-10 | 엘지전자 주식회사 | Method for controlling of ccd camera |
| JP3873884B2 (en) * | 2002-12-25 | 2007-01-31 | セイコーエプソン株式会社 | Imaging apparatus and imaging program |
| JP2004336326A (en) * | 2003-05-07 | 2004-11-25 | Canon Inc | Image processor |
-
2004
- 2004-12-27 CN CNB2004100990455A patent/CN100377572C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101163198B (en) * | 2006-10-13 | 2010-06-16 | 三星电子株式会社 | Portable composition apparatus and method for controlling photographing mode |
| CN101770136B (en) * | 2009-01-07 | 2011-11-23 | 亚洲光学股份有限公司 | Gain correction device and method for correcting gain values |
| CN103888652A (en) * | 2012-12-19 | 2014-06-25 | 深圳市欣动态影像科技有限公司 | PTZ camera scene adaptive image parameter control method |
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| Publication number | Publication date |
|---|---|
| CN100377572C (en) | 2008-03-26 |
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Granted publication date: 20080326 Termination date: 20131227 |