CN101059642A - Pickup apparatus and its light source angle control method - Google Patents
Pickup apparatus and its light source angle control method Download PDFInfo
- Publication number
- CN101059642A CN101059642A CN 200710074535 CN200710074535A CN101059642A CN 101059642 A CN101059642 A CN 101059642A CN 200710074535 CN200710074535 CN 200710074535 CN 200710074535 A CN200710074535 A CN 200710074535A CN 101059642 A CN101059642 A CN 101059642A
- Authority
- CN
- China
- Prior art keywords
- luminophor
- angle
- camera
- picture pick
- video camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a camera device and a control method on the angle of light source, used in camera technical field, wherein the camera device comprises a zoom camera with a plurality of camera angles, a light source with a plurality of lighting elements in different lighting angles relative to the camera angles of the camera, and a light source angle controller for obtaining the camera angle of the zoom camera and starting relative light element according to the obtained camera angle. The invention correlates the lighting angle and the camera angle of the camera with a plurality of lighting elements and starts relative lighting element relative to prior camera angle of the camera, to save energy and improve camera quality.
Description
Technical field
The invention belongs to the shooting field, relate in particular to the control method of a kind of picture pick-up device and light-source angle thereof.
Background technology
Picture pick-up device has been widely used in various fields such as industry, medical science, traffic.Picture pick-up device of a great variety, wherein the video camera as watch-dog mainly is to become times video camera, become times video camera and can change the different object of focal length shooting angle, becoming times video camera in to the monitoring of bank, harbour, urban road and sub-district indoor and outdoor surroundings all has good behaviour.
Becoming a times video camera needs illumination light source so that surrounding environment is shot with video-corder clearly, especially in dim environment, and the equipment that light source is essential especially.The light source luminescent angle that becomes times video camera is all fixed at present, when change times focal length of camera changes, camera angle changes thereupon, but the lighting angle of light source can not change with camera angle, therefore need be equipped with light source according to extensive angle, but the extensive angle apolegamy light source by video camera extremely wastes energy, and especially when becoming the narrower angle object of times video camera zoom shot, uses wide-angle source to have great waste for a long time.If but select the lighting source of narrower angle for use, cross bright too dark situation all around in the middle of when video camera is operated in wide-angle, just having, exposure excessively distinguishes unclear in the middle of causing image, do not see and image is dim all around yet, reduced pickup quality, become times video camera like this and can't play effective monitoring function, consequence is serious.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of picture pick-up device, and the lighting angle that is intended to solve the change times video camera light source of prior art can not change with camera angle and adopts extensive angle to be equipped with light source, causes the problem of the wasting of resources and pickup quality difference.
The embodiment of the invention is achieved in that a kind of picture pick-up device, comprises the change times video camera with a plurality of camera angle; The light source that comprises the luminophor that a plurality of lighting angles are different, the lighting angle of luminophor is corresponding with the camera angle of video camera; The light-source angle controller is used to obtain the camera angle that becomes times video camera, and opens luminophor corresponding in the light source according to the camera angle of obtaining.
Another purpose of the embodiment of the invention is to provide a kind of light-source angle control method of picture pick-up device, comprises the steps: to obtain the camera angle that becomes times video camera; Open luminophor corresponding in the light source according to camera angle.
In picture pick-up device that the embodiment of the invention provides and the light-source angle control method thereof, different focal lengths is adopted different luminophor illuminations, prevent a series of consequences that light and focal length do not match and cause, make over-exposed or light too secretly causes not fogging clear etc. as light is too bright, therefore improved pickup quality, and the saving energy, and simple in structure, be easy to realize.
Description of drawings
Fig. 1 is the synoptic diagram of the picture pick-up device that provides of the embodiment of the invention;
Fig. 2 is the synoptic diagram of first embodiment of the invention light source;
Fig. 3 is the synoptic diagram of second embodiment of the invention light source;
Fig. 4 is the light-source angle control method process flow diagram of the picture pick-up device of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention adopts the lighting angle luminophor corresponding with the camera angle of video camera, opens corresponding luminophor illumination according to becoming the current camera angle of times video camera.
Below with reference to accompanying drawing the picture pick-up device that the embodiment of the invention provides is described.
Figure 1 shows that the picture pick-up device that the embodiment of the invention provides, as shown in Figure 1, picture pick-up device 10 comprises change times video camera 11, controller 13 and light source 15, become times video camera 11 and can change the focal length multiple, camera angle just, controller 13 is used to obtain the focal length that becomes times video camera 11, and according to the lighting angle of focal length variations light source 15.Please in the lump with reference to figure 2, Figure 2 shows that the synoptic diagram of light source 15 among first embodiment, as shown in Figure 2, light source 15 comprises that five are distributed in video camera 11 luminophor 151,152,153,154 and 155 all around respectively, each luminophor all is made up of a plurality of light emitting diodes, the lighting angle of luminophor 151 to 155 is all corresponding with the camera angle that becomes times video camera 11, and increases gradually.
Below will describe the principle of work of embodiment of the invention picture pick-up device in detail.
The variation that becomes times video camera 11 lens focus (focal length) is realized by plus or minus voltage.The time of giving the positive voltage that becomes times video camera 11 increases lens focus and change is big gradually along with loading, up to the maximal value that reaches lens focus, along with loading the time increase of giving the negative voltage that becomes times video camera 11 and diminishing gradually, up to the minimum value that reaches lens focus, lens focus stops to change when stopping on-load voltage.When on-load voltage,, can't use digital signal representation camera lens focal length at a time because lens focus is changing always.
Therefore, the lens focus signal extraction unit 131 of controller 13 carries out computing from the electric signal that change times video camera 11 obtains the representative shot focal length, lens focus signal extraction unit 131 comprises summation circuit and analog to digital conversion circuit, summation circuit is used for the electric signal of representative shot focal length is added up, the totalizer of summation circuit adds up on time shaft to the electric signal of the representative shot focal length of catching at every turn, the size of lens focus is represented by 1 volt to 5 volts continually varying voltage, 1 volt is represented focal length is the minimum value of camera lens nominal, 5 volts are represented focal length is the maximal value of camera lens nominal, from 1 to 5 volt analog variable and the linear relation that increases progressively of the focal length of camera lens.When accumulated value acquires a certain degree, analog to digital conversion circuit carries out analog to digital conversion to the simulating signal of summation circuit output, simulating signal is become the digital signal of one of them grade in corresponding default 1 volt, 2 volts, 3 volts, 4 volts or 5 volts of five shelves, and export to lens focus scaling unit 133.Like this, after 131 pairs of lens focus signal extraction units carry out computing from the lens focus signals that become times video camera 11 and obtain, one grade digital signal wherein in five shelves of output representative shot focal length.
Lens focus scaling unit 133 comprises luminophor contrast relationship memory module 1331 and luminophor selection module 1333.Luminophor contrast relationship memory module 1331 stores the corresponding relation between each luminophor of each digital signal of lens focus signal extraction unit 131 output and light source 15, wherein each luminophor is corresponding with the camera angle of each grade in five shelves of lens focus respectively, camera angle when the lighting angle of luminophor 155 and lens focus are maximum is identical, and the illumination focal length of luminophor 151 and lens focus camera angle hour is identical.Luminophor selection module 1333 can determine to use which luminophor in the light source 15 to throw light on according to the digital signal of storage and the digital signal of luminophor contrast relationship and 131 outputs of lens focus signal extraction unit, for example when giving lens focus scaling unit 133 to 1 volt the digital signal (focal length minimum) of lens focus signal extraction unit 131 outputs, the luminophor of lens focus scaling unit 133 is selected the contrast relationship of module 1333 according to storage in the luminophor contrast relationship memory module 1331, determine to open the luminophor 151 of lighting angle minimum, when giving lens focus scaling unit 133 to 5 volts the digital signal (focal length maximum) of lens focus signal extraction unit 131 outputs, luminophor selects module 1333 to determine to open the luminophor 155 of lighting angle maximum.After determining to open which luminophor, luminophor selects module 1333 output start-up control signals to give the on-off circuit 135 that connects each luminophor, to open corresponding luminophor.
The light source of second embodiment of the invention is similar to first embodiment, as shown in Figure 3, the light source 17 of second embodiment of the invention also comprises the luminophor 171,172,173,174 and 175 that five lighting angles increase successively, but these five luminophors are concentrated and are set together, and are positioned at the top that becomes times video camera 11.Light source 17 also can be positioned at other position that becomes times video camera 11, as the bottom or the left and right sides.
The luminophor of the light source of the present invention first and second embodiment can be made up of light emitting diode, fluorescent light or other light fixture.Though luminophor 155 is positioned at the left side that becomes times video camera 11, when the focal length that becomes times video camera 11 was very big, the light lighting angle that luminophor 155 sends was very wide, can provide suitable brightness and angle to throw light at a distance for change times video camera 11.
The picture pick-up device of the embodiment of the invention can change the level of digital signal as required, also can increase or reduce the quantity of digital signal shelves, and the luminophor that contrast increases or minimizing is corresponding, to satisfy actual needs.
Below will contrast the control method that Fig. 4 describes the light-source angle of the picture pick-up device that the embodiment of the invention provides.
In step S301, when change times video camera is worked, obtain the electric signal of the lens focus of representing video camera;
In step S303, electric signal to the focal length of representative shot carries out accumulation calculating and analog to digital conversion, become the digital signal of one of them grade in corresponding default 1 volt, 2 volts, 3 volts, 4 volts or 5 volts of five shelves, the minimum value of 1 volt of representative shot nominal wherein, the maximal value of 5 volts of representative shot nominals;
In step S305, determine to use which luminophor illumination according to the corresponding relation between these digital signals and each luminophor, wherein luminophor also has five, has different lighting angle and corresponding respectively with camera angle, the digital signal of corresponding 5 volts of the luminophor of lighting angle maximum wherein, the digital signal that the luminophor correspondence of lighting angle minimum is 1 volt;
In step S307, open corresponding light body illumination.
In picture pick-up device that the embodiment of the invention provides and the light-source angle control method thereof, different focal lengths is adopted different luminophor illuminations, prevent a series of consequences that light and focal length do not match and cause, make over-exposed or light too secretly causes not fogging clearly etc. as light is too bright, therefore improved pickup quality.In addition, picture pick-up device that the embodiment of the invention provides and the dirigibility of light-source angle control method thereof are higher, not only save the energy, and simple in structure, are easy to realize.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of picture pick-up device is characterized in that, described picture pick-up device comprises:
Become times video camera, it has a plurality of camera angle;
Light source, described light source comprises the luminophor that a plurality of lighting angles are different, the lighting angle of described luminophor is corresponding with the camera angle of described video camera;
The light-source angle controller is used to obtain the camera angle that becomes times video camera, and opens luminophor corresponding in the described light source according to the described camera angle of obtaining.
2, picture pick-up device as claimed in claim 1 is characterized in that, described light-source angle controller comprises:
The lens focus signal extraction unit is used for obtaining the focal length signal of representing camera angle from described change times video camera;
The lens focus scaling unit is used for selecting the corresponding luminophor of described light source according to the described focal length signal of described lens focus signal extraction unit output, and exports the unlatching control signal of corresponding luminophor;
On-off circuit links to each other with each luminophor in the described light source, is used for opening corresponding luminophor according to the unlatching control signal of described lens focus scaling unit output.
3, picture pick-up device as claimed in claim 2 is characterized in that:
Described lens focus signal extraction unit comprises one the module that is used for described focal length signal is transformed to a plurality of preset number signals;
Described lens focus scaling unit comprises luminophor contrast relationship memory module and luminophor selection module, described luminophor contrast relationship memory module stores the corresponding relation of described preset number signal and described luminophor, described luminophor selects module to be used for according to the preset number signal of storage and the corresponding relation of luminophor, selects the corresponding luminophor of preset number signal with described lens focus signal extraction unit output.
4, picture pick-up device as claimed in claim 3 is characterized in that, described preset number signal is 1 volt, 2 volts, 3 volts, 4 volts and 5 volts.
As each described picture pick-up device of claim 1 to 4, it is characterized in that 5, described a plurality of luminophors center on described video camera, or be positioned at any side of described video camera.
6, picture pick-up device as claimed in claim 5 is characterized in that, each luminophor comprises at least one light emitting diode.
7, a kind of control method of light-source angle of picture pick-up device is characterized in that, described method comprises the steps:
Obtain the camera angle that becomes times video camera;
Open luminophor corresponding in the light source according to described camera angle.
8, the control method of the light-source angle of picture pick-up device as claimed in claim 7 is characterized in that, the described step of obtaining the camera angle that becomes times video camera comprises:
Obtain the focal length signal of expression camera angle from described change times video camera;
Described focal length signal is become one of them preset number signal in a plurality of preset number signals.
9, the control method of the light-source angle of picture pick-up device as claimed in claim 8 is characterized in that, described luminophor step according to correspondence in the described camera angle unlatching light source comprises:
According to the corresponding relation of described preset number signal and described luminophor, open corresponding luminophor.
10, the control method of the light-source angle of picture pick-up device as claimed in claim 9 is characterized in that, described preset number signal is 1 volt, 2 volts, 3 volts, 4 volts and 5 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100745353A CN100523984C (en) | 2007-05-16 | 2007-05-16 | Pickup apparatus and its light source angle control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100745353A CN100523984C (en) | 2007-05-16 | 2007-05-16 | Pickup apparatus and its light source angle control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101059642A true CN101059642A (en) | 2007-10-24 |
| CN100523984C CN100523984C (en) | 2009-08-05 |
Family
ID=38865820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100745353A Expired - Fee Related CN100523984C (en) | 2007-05-16 | 2007-05-16 | Pickup apparatus and its light source angle control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100523984C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065215A (en) * | 2010-06-13 | 2011-05-18 | 深圳市捷高电子科技有限公司 | Infrared night vision system and control method thereof |
| CN102068764A (en) * | 2010-10-29 | 2011-05-25 | 夏廷毅 | Treatment and verification system for guiding gamma knife by images |
| CN110691177A (en) * | 2018-07-05 | 2020-01-14 | 杭州海康威视数字技术股份有限公司 | Multi-lens camera |
| CN110691198A (en) * | 2018-07-05 | 2020-01-14 | 杭州海康威视数字技术股份有限公司 | Infrared lamp control method and device and electronic equipment |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957539B (en) * | 2010-06-09 | 2012-06-27 | 杭州海康威视数字技术股份有限公司 | Method and device for monitoring and supplementing light |
| CN101950117A (en) * | 2010-08-10 | 2011-01-19 | 福州开发区鸿发光电子技术有限公司 | Efficient and intelligent infrared illumination system |
| CN102081280B (en) * | 2010-12-03 | 2012-09-05 | 深圳中兴力维技术有限公司 | Zoom type infrared lamp and control method as well as infrared camera |
-
2007
- 2007-05-16 CN CNB2007100745353A patent/CN100523984C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065215A (en) * | 2010-06-13 | 2011-05-18 | 深圳市捷高电子科技有限公司 | Infrared night vision system and control method thereof |
| CN102065215B (en) * | 2010-06-13 | 2013-05-29 | 深圳市捷高电子科技有限公司 | Infrared night vision system and control method thereof |
| CN102068764A (en) * | 2010-10-29 | 2011-05-25 | 夏廷毅 | Treatment and verification system for guiding gamma knife by images |
| CN110691177A (en) * | 2018-07-05 | 2020-01-14 | 杭州海康威视数字技术股份有限公司 | Multi-lens camera |
| CN110691198A (en) * | 2018-07-05 | 2020-01-14 | 杭州海康威视数字技术股份有限公司 | Infrared lamp control method and device and electronic equipment |
| CN110691198B (en) * | 2018-07-05 | 2021-05-25 | 杭州海康威视数字技术股份有限公司 | Infrared lamp control method and device and electronic equipment |
| CN110691177B (en) * | 2018-07-05 | 2022-02-15 | 杭州海康威视数字技术股份有限公司 | Multi-lens camera |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100523984C (en) | 2009-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100523984C (en) | Pickup apparatus and its light source angle control method | |
| US9933137B2 (en) | Projecting light fixture with dynamic illumination of beam shaping object | |
| CN101661154B (en) | Digital presenter | |
| CN101213831B (en) | Digital image capturing device with scan type flash | |
| US10257909B2 (en) | Multisource illumination device with variable F-number | |
| CN1815341A (en) | Method and system for automatically adjusting flash strength for camera | |
| CN101963527A (en) | The illuminator of brightness impression examining system and this system of use | |
| CN201373965Y (en) | Camera device | |
| CN107896407A (en) | A kind of self study road lamp system based on big data | |
| CN1264057A (en) | Video signal processing device | |
| JP2008158247A (en) | Flash device for imaging apparatus and imaging apparatus | |
| CN104079883A (en) | Laser night-vision device illuminator presetting bit implementation method based on stepping motor | |
| CN200944635Y (en) | Digital automatically day and night photographic arrangement | |
| CN1834771A (en) | Light compensation method of image | |
| CN1757225A (en) | Camera | |
| CN1805551A (en) | Simple method of implementing image acquisition in wide dynamic range with multiple cameras | |
| CN1856097A (en) | Image generating apparatus for vehicles and method | |
| WO2019138827A1 (en) | Object recognizing device | |
| CN111935381B (en) | Image acquisition and processing device and mobile carrier | |
| CN1288494C (en) | Method for eliminating flicker phenomenon of light sensitive device under row exposure mode | |
| CN113747012A (en) | Camera device, light supplementing method and medium | |
| CN2867388Y (en) | Photographic luminous device | |
| CN1208863A (en) | Apparatus for controlling light source used in conjunction with operation of imaging device | |
| CN110566844A (en) | Light emitting indicator and control method thereof | |
| CN1932434A (en) | Shape of gap peristome and light-regulating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20160516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |