CN1979322A - Camera image regulation system using acceleration sensor and method therefor - Google Patents
Camera image regulation system using acceleration sensor and method therefor Download PDFInfo
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- CN1979322A CN1979322A CN200510111113.XA CN200510111113A CN1979322A CN 1979322 A CN1979322 A CN 1979322A CN 200510111113 A CN200510111113 A CN 200510111113A CN 1979322 A CN1979322 A CN 1979322A
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- 230000001133 acceleration Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000033228 biological regulation Effects 0.000 title claims description 18
- 238000011084 recovery Methods 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 230000006870 function Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010009 beating Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008447 perception Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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Abstract
The invention relates to a camera video adjusting system and method which mounts an acceleration sensor inside a camera to sense jitter and rotation of the camera, judges the jitter and rotation states of the camera by the change of output voltage of the acceleration sensor and uses the acceleration sensor able to accurately adjust and display the video taken in jittering and rotating states. And it is a completely useful invention. When a monitoring camera is turned over or topples down to one side by impact of external force, it can automatically adjust the taken video and output normal video before receiving force, and besides, can solve the problem of manually operating the jitter and rotation functions one by one for recovering the rotated video.
Description
Technical field
The present invention relates to use the camera of acceleration transducer to impact sensory perceptual system and method thereof, say in more detail, relate at the inner acceleration transducer of beating and rotating that the perception camera is installed of camera, judge that by the variation of acceleration transducer output voltage camera is beated and rotation status, used can correctly adjust and show beat and rotation status under the camera image regulation system and the method thereof of acceleration transducer of filmed image.
Background technology
Usually, the supervision that can take and monitor the place, many places simultaneously uses digital video recorder (Digital Video Recorder is called " DVR " hereinafter) to develop and use.
To be common supervision be connected into synoptic diagram under the communication network state with DVR to Fig. 1.As shown in Figure 1, common supervision uses DVR30 and the place, many places that needs to monitor to disperse a plurality of monitoring cameras 10 of setting
1... .10
nWhen being connected, also will be with a plurality of supervision sensor 20
1... ..20
kLink to each other Deng various device on every side, simultaneously, also will be by networking 40, the personal computer 50 who is located on remote system operator couples together.But, monitor the disc driver that has the storer (Storage) as can writing down the hard disk drive HDD that stores jumbo video, voice data and the CD of writing function is arranged again and can on CDs such as for example CD-RW, write down storage video and voice data with DVR30.
But, in said structure, because the sensor that extra perception is impacted is not installed in monitoring camera inside, when entering the supervision area, generation outside invasion person runs into monitoring camera, or animal such as kitten has been overturned monitoring camera, when perhaps monitoring camera is swung to the situation on one side, because 90 degree can take place in the captured image of monitoring camera or 180 degree rotations are taken, for the correct image of seeing that rotation is preceding, need pass through regulator, with manual mode, operation is one by one beated (Flip) and is rotated (Rotation) function.
And, when the image that is photographed shows by monitor, fail to confirm the rotation status of filmed image and under the situation that continues to take overseer or supvr, when watching the image of shooting later on, because image is rotated, watch very inconveniently, and exist the recorded video of rotation status compiled and need the loaded down with trivial details problem that confirms behind the correct image.
Summary of the invention
In order to address the above problem, the present invention arises at the historic moment.The objective of the invention is: be provided at the acceleration transducer that the inner installation of camera can the perception camera be beated and rotated, by variation, judge beating and the camera image regulation system and the method thereof of rotation status of camera through the voltage of acceleration transducer output.
To achieve these goals, according to the present invention, the camera image regulation system that uses acceleration transducer is when one side is overturned or swung to the regional camera of captured supervision, can correctly adjust and show the filmed image that rotation is preceding or write down the camera image regulation system that stores the filmed image before rotating on digital video recorder.It comprises with lower device:
To be transformed into the image information of numeric type form from the signal of video signal of the simulation form of camera input, thus taken rotation the image more than 90 degree carry out despining and make its recovery adjust the digital signal processor of correct image;
Be installed in camera inside, knocked over or swing under the rotation status on one side at camera, owing to moving of the electrode that flows, when the capacitance at fixed electorde two ends changes, the acceleration transducer that output voltage is changed;
Influence value with the acceleration induction device that periodically reads is a foundation, judge the shooting state of camera, in case judging camera is knocked over or is swung on one side and still taken with rotation status, just control adjustment, make its derotation transfer the main control unit of the filmed image that recovery has been rotated by digital signal processor.
Simultaneously, according to another object of the present invention, the camera image automatic adjusting method of using acceleration transducer is along with the camera of taking monitor area is knocked over or swings on one side, correctly adjusts and shows the filmed image that rotated or the camera image automatic adjusting method of store recording on digital video recorder.It comprised with the next stage:
The 1st stage: periodically read the output voltage values of finding from acceleration transducer;
The 2nd stage:, judge the anglec of rotation when camera is knocked over or swing on one side according to above-mentioned output voltage values;
The 3rd stage: according to the anglec of rotation of judging, despining and correctly adjust filmed image; And
The 4th stage: show or the correct adjusted filmed image of record storage.
As mentioned above, according to the present invention, can solve: at monitoring camera owing to be subjected to outside impact action, when being overturned or being swung on one side, the correct status before the rotation is automatically adjusted and outputed to the image that photographs, in order to restore the image that has rotated, need manual operation camera one by one to beat and the challenge of spinfunction.
Simultaneously, can also solve: even overturned or swing under the state on one side at the shooting camera, the image that photographs has been descended in record, also needs the recorded video edit validation is become the challenge of correct image.
Description of drawings
Fig. 1 is the communication network state is linked in common supervision with DVR a synoptic diagram.
Fig. 2 is according to the embodiment of the invention, has used the summary pie graph of the camera image regulation system of acceleration transducer.
Fig. 3 a～Fig. 3 c is according to the rotation status of the principle of work of acceleration transducer and shooting camera, and the synoptic diagram that output voltage changes is described.
Fig. 4 is according to the embodiment of the invention, and the precedence diagram of the camera image automatic adjusting method of using acceleration transducer is described.
The major part symbol description is as follows in the accompanying drawing:
10
1... .10
n: monitoring camera 20
1... ..20
k: monitor and use sensor
30: monitor with DVR 40: networking
50: the personal computer 200: camera image regulation system
210: take camera 220: digital signal processor
230: main control unit 240: acceleration transducer
250: the image transmitter
Embodiment
Diagram with reference to the embodiment of the invention is elaborated below.
At first, in each illustrated inscape, aspect the additional reference marks, note: for same inscape, even at other chart display, also may have same symbol.And, aspect explanation of the present invention, owing to may blur main idea of the present invention at relevant formation and specifying of function, so just omitted its detailed explanation.
Fig. 2 is according to the embodiment of the invention, uses the summary pie graph of the camera image regulation system of acceleration transducer.
According to camera image regulation system 200 of the present invention, by shooting camera 210, digital signal processor 220, main control unit 230, acceleration transducer 240, image follower 250 grades partly constitute.
Take the control signal of camera 210, adjust the position of zoom lens (Zoom Lenz) and amasthenic lens (Focus Lenz), take the irradiated body of monitor area, the input signal of video signal along with main control unit 230.At this moment, take about the power of camera 210 along with fan motor (panmotor) transmission, move left and right.
The signal of video signal that digital signal processor 220 will be taken the simulation form of camera 210 input is transformed into the image data of numeric type form, relies on the control of main control unit 230, turn 90 degrees above filmed image rotation recovery and is adjusted into correct image revolving.
The image data that image transmitter 250 performance will photograph is to the function that monitor or external device (ED) transmit, the image data that relies on digital signal processor 220 transmission rotations to restore.
Fig. 3 a～Fig. 3 c has illustrated the principle of work of sensor and along with the variation of the rotation status output voltage of taking camera.Shown in Fig. 3 a～Fig. 3 c, the acceleration transducer 240 that uses among the present invention utilizes the character of electric capacity (Capacitance) that output voltage is changed.That is, shown in Fig. 3 a, make and flow electrode b between fixing electrode a, c, along with the reasons such as impact of the electrode b that flows rotate, between electrode a and the electrode b or between electrode b and the electrode c near or become estranged, capacitance (C) changes, thereupon, output voltage also changes.Acceleration transducer 240 conveys to main control unit 230 with the variation of output voltage, and main control unit 230 is shown in Fig. 3 b, along with the rotation status of taking camera 210 is judged in the variation of output voltage.
In this character, dependence is clipped in the dielectric between electrode (metal) plate separated from each other in acceleration transducer 240 structures, though electric charge can not directly flow out, but the dielectric internal electrode be ostracised have the electricity directivity, so, variation has taken place in the savings amount of the quantity of electric charge, and output voltage also changes thereupon.At this moment, according to the area (s) of battery lead plate and the distance (d) between the battery lead plate, determined capacitance according to the quantity of electric charge of saving (C).
In addition, among Fig. 3 b, along with the moving direction of the electrode b that flows, variation has taken place in output voltage.Shown in Fig. 3 b, in the acceleration transducer 240, along with the shift position of the electrode b that flows, relevant output voltage changes, and shown in Fig. 3 c, main control unit 230 becomes data remembering (storage) along with the magnitude of voltage of taking camera 210 position of rotation.
Shown in Fig. 3 c, acceleration transducer 240 can not be done under the 0 degree state of any rotation at shooting camera 210, makes the electrode b that flows also be positioned at central authorities.Impacted along with taking camera 210, when mobile electrode b is moved,, make output can judge the X that generation is impacted from that direction along with the output voltage that produces
OutVoltage and Y
OutVoltage.
So main control unit 230 is according to the mobile formation X along with the electrode b that flows
OutVoltage and Y
OutThe output voltage of voltage is judged the rotation status of taking camera 210, along with this rotation status, and anti-spin rubber photogra, thereby control figure signal processor 220.That is, shown in Fig. 3 c, being judged as of main control unit 230: X
OutVoltage and Y
OutBeing 0 degree state without spin when voltage is 2.45V and 1.65V, is the state that turn 90 degrees that revolves when 1.65V and 0.85V, is the state of Rotate 180 degree when 0.85V and 1.65V, is the states of rotation 270 degree when 1.65V and 2.45V.
Fig. 4 is according to the embodiment of the invention, and the precedence diagram of the camera image automatic adjusting method of using acceleration transducer is described.
At first, when shooting camera 210 relied on fan motors to take certain monitor area with fixed pose, the mobile electrode b of acceleration transducer 240 was also identical with 0 degree situation among Fig. 3 c, is positioned at centre.
At this moment, main control unit 230 periodically reads the influence value (S402) from acceleration transducer 240.Promptly, the output voltage that the electrode b that flows does not move, capacitance C when being in middle position produces is transferred to main control unit 230, and the analog-to-digital converter (ADC) of main control unit 230 by inside is converted to numerical data with the output voltage that receives and discerned.
Then, main control unit 230 is according to the output voltage of acceleration transducer 240 transmission, i.e. X
OutVoltage and Y
OutWhen voltage is 2.45V and 1.65V, judges the rotation status of taking camera 210 and be without spin 0 degree, can't help digital signal processor 220 to carry out despinings and restore control.So, just intactly output to watch-dog or external device (ED) by transmitting device 250 by the image of taking camera 210 shootings.
But, as Fig. 3 c shows, outside invasion object or animal make to be taken camera 210 and revolves and turn 90 degrees and even 270 degree the time, take camera 210 bodies and take subject with the rotation status of 90 degree and even 270 degree, filmed image also is transfused to digital signal processor 220 with the rotation status of 90 degree and even 270 degree thereupon.
So, rotation along with the body of taking camera 210, built-in acceleration transducer 240 also is rotated, the acceleration transducer 240 of rotation moves inner mobile electrode b, along with moving of the electrode b that flows, capacitance (C) changes, and output voltage change thereupon is communicated to main control unit 230.That is, shown in Fig. 3 c, output voltage and other output voltages of (0 degree) when the mobile electrode b that main control unit 230 receives acceleration transducer 240 is positioned at centre.
At this moment, take when rotation appears in camera 210 and send buzzing, alerting signal or light emergency warning lamp, guarder or custodian are are in time gone and found out what's going on.
So, take camera 210 and can adjust the filmed image that rotates owing to external impact automatically and be shown to correct status or record is stored on the hard disk.
As mentioned above, according to the present invention, the acceleration transducer of can perception beating and rotating in the inner installation of camera, judge beating of camera and rotation status by variation through the acceleration transducer output voltage, can realize using correctly adjust and show beat and rotation status under the camera image regulation system and the method thereof of acceleration transducer of filmed image.
Above explanation is illustrating technology item of the present invention only.
Person skilled with the affiliated field of the present invention general knowledge can be carried out various change and modification fully in the scope that does not depart from this invention technological thought.Therefore, the illustrated embodiment of this invention is not limited to technology item of the present invention, and just in order to illustrate, such embodiment does not limit the scope of the technology of the present invention item.Protection scope of the present invention is among claim scope of the present invention, and all the technology items in the same range as all are included in this claim scope therewith.
Claims (10)
1, a kind of camera image regulation system that uses acceleration transducer, at the camera of taking monitor area when being overturned or being swung on one side, can correctly adjust and show the filmed image that rotated or the camera image regulation system of recording storage image on digital video recorder, it is characterized in that this system comprises following components:
To be transformed into the image information of numeric type form from the signal of video signal of the simulation form of camera input, thus taken rotation the image more than 90 degree carry out despining and make its recovery adjust the digital signal processor of correct image;
Be installed in camera inside, knocked over or swing under the rotation status on one side at camera, owing to moving of the electrode that flows, when the capacitance at fixed electorde two ends changes, the acceleration transducer that output voltage is changed;
Influence value with the acceleration induction device that periodically reads is a foundation, judge the shooting state of camera, in case judging camera is knocked over or is swung on one side and still taken with rotation status, just control adjustment, make its derotation transfer the main control unit of the filmed image that recovery has been rotated by digital signal processor.
2, the camera image regulation system of use acceleration transducer as claimed in claim 1 is characterized in that, the position of described main control unit control zoom lens and amasthenic lens, and the image of monitor area is taken in control.
3, the camera image regulation system of use acceleration transducer as claimed in claim 1, it is characterized in that, described acceleration transducer makes streaming current between two fixing electrodes, along with the electrode that flows is come from outside impulse force and move left and right, far away or near between fixed electorde and the mobile electrode, capacitance is changed,, output voltage is also changed along with the variation of capacitance.
4, as the camera image regulation system of claim 1 or 3 described use acceleration transducers, it is characterized in that, described acceleration transducer is judged camera to the rotation of which direction according to output voltage, output voltage is separated and is output as Xout voltage and Yout voltage; Described main control unit is judged the camera anglec of rotation according to output voltage values, remembering into each data with each anglec of rotation corresponding output voltage value.
5, the camera image regulation system of use acceleration transducer as claimed in claim 1 is characterized in that, described camera has the alarm device that sends buzzing, alerting signal when rotation appears in camera or light emergency warning lamp when taking in addition.
6, the automatic adjusting method of the camera image regulation system of use acceleration transducer as claimed in claim 1 is characterized in that this method comprises following several stages:
The 1st stage: periodically read the output voltage values of finding from acceleration transducer;
The 2nd stage:, judge the anglec of rotation when camera is knocked over or swing on one side according to above-mentioned output voltage values;
The 3rd stage: according to the anglec of rotation of judging, despining and correctly adjust filmed image; And
The 4th stage: show or the correct adjusted filmed image of record storage.
7, automatic adjusting method as claimed in claim 6 is characterized in that, described the 4th stage comprises carries and be shown to external device (ED) or and record storage to filmed image.
8, automatic adjusting method as claimed in claim 6, it is characterized in that, described the 1st stage, acceleration transducer makes and flows electrode between two fixing electrodes, and the electrode that flows is move left and right according to coming from outside impact, simultaneously, far away or near between fixed electorde and the mobile electrode, capacitance is changed, and along with the variation of capacitance, output voltage also changes thereupon.
9, automatic adjusting method as claimed in claim 6 is characterized in that, in described the 2nd stage, in order to judge that according to the magnitude of voltage of output camera to which direction rotation, is separated into X to output voltage
OutVoltage and Y
OutVoltage is in order to judge the camera anglec of rotation, remembering into each data with each anglec of rotation corresponding output voltage value according to output voltage values.
10, automatic adjusting method as claimed in claim 6 is characterized in that, in described the 2nd stage, judges camera in rotation, just sends buzzing, alarm or lights warning light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510111113.XA CN1979322A (en) | 2005-12-02 | 2005-12-02 | Camera image regulation system using acceleration sensor and method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510111113.XA CN1979322A (en) | 2005-12-02 | 2005-12-02 | Camera image regulation system using acceleration sensor and method therefor |
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| Publication Number | Publication Date |
|---|---|
| CN1979322A true CN1979322A (en) | 2007-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN200510111113.XA Pending CN1979322A (en) | 2005-12-02 | 2005-12-02 | Camera image regulation system using acceleration sensor and method therefor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122107A (en) * | 2010-01-08 | 2011-07-13 | 深圳富泰宏精密工业有限公司 | Photographing system and method |
| CN101764929B (en) * | 2008-12-24 | 2012-09-05 | 奥林巴斯映像株式会社 | camera |
| CN104461015A (en) * | 2014-12-30 | 2015-03-25 | 北京智谷睿拓技术服务有限公司 | Shooting control method, shooting control device, shooting device and wearable device |
| CN105247850A (en) * | 2013-03-15 | 2016-01-13 | 谷歌公司 | Automatic adjustment to video orientation |
| CN111953844A (en) * | 2019-05-15 | 2020-11-17 | 华硕电脑股份有限公司 | Electronic device |
| US11240357B2 (en) | 2019-05-15 | 2022-02-01 | Asustek Computer Inc. | Electronic device |
| US11375125B2 (en) | 2019-05-15 | 2022-06-28 | Asustek Computer Inc. | Electronic device |
| US11477385B2 (en) | 2019-05-15 | 2022-10-18 | Asustek Computer Inc. | Electronic device with rotatable camera for protecting privacy |
| US11546451B2 (en) | 2019-05-15 | 2023-01-03 | Asustek Computer Inc. | Electronic device |
-
2005
- 2005-12-02 CN CN200510111113.XA patent/CN1979322A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764929B (en) * | 2008-12-24 | 2012-09-05 | 奥林巴斯映像株式会社 | camera |
| CN102122107B (en) * | 2010-01-08 | 2014-03-05 | 深圳富泰宏精密工业有限公司 | Photographing system and method |
| CN102122107A (en) * | 2010-01-08 | 2011-07-13 | 深圳富泰宏精密工业有限公司 | Photographing system and method |
| US10887543B2 (en) | 2013-03-15 | 2021-01-05 | Google Llc | Automatic adjustment of video orientation |
| CN105247850A (en) * | 2013-03-15 | 2016-01-13 | 谷歌公司 | Automatic adjustment to video orientation |
| US10469797B2 (en) | 2013-03-15 | 2019-11-05 | Google Llc | Automatic adjustment of video orientation |
| CN104461015A (en) * | 2014-12-30 | 2015-03-25 | 北京智谷睿拓技术服务有限公司 | Shooting control method, shooting control device, shooting device and wearable device |
| CN111953844A (en) * | 2019-05-15 | 2020-11-17 | 华硕电脑股份有限公司 | Electronic device |
| US11240357B2 (en) | 2019-05-15 | 2022-02-01 | Asustek Computer Inc. | Electronic device |
| CN111953844B (en) * | 2019-05-15 | 2022-03-15 | 华硕电脑股份有限公司 | electronic device |
| US11375125B2 (en) | 2019-05-15 | 2022-06-28 | Asustek Computer Inc. | Electronic device |
| US11477385B2 (en) | 2019-05-15 | 2022-10-18 | Asustek Computer Inc. | Electronic device with rotatable camera for protecting privacy |
| US11546451B2 (en) | 2019-05-15 | 2023-01-03 | Asustek Computer Inc. | Electronic device |
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Open date: 20070613 |