CN101562697B - Camera head and camera shooting method - Google Patents
Camera head and camera shooting method Download PDFInfo
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- CN101562697B CN101562697B CN2008103011784A CN200810301178A CN101562697B CN 101562697 B CN101562697 B CN 101562697B CN 2008103011784 A CN2008103011784 A CN 2008103011784A CN 200810301178 A CN200810301178 A CN 200810301178A CN 101562697 B CN101562697 B CN 101562697B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 3
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Abstract
The present invention relates to a camera head, which comprises a key-press unit, a motion detection unit, an analog-to-digital conversion unit, a signal processing unit and a shooting unit. The key-press unit provides shooting trigger signals. The signal processing unit sends out control signals according to the trigger signals. The motion detection unit is internally preinstalled with a first time slice and detects the maximum image motion of the camera head in the first time slice according to the control signals. The analog-to-digital conversion unit receives the maximum image motion and converts the maximum image motion into digital signals. The signal processing unit is internally preinstalled with numerical range, receives the digital signals and judges whether the digital signals goes beyond the numerical rang or not, if not, the shooting command is sent out. The shooting unit executes shooting actions according to the shooting command. The camera head judges the image motion of camera head in the first time slice detected by the motion detection unit by the signal processing unit and automatically chooses the best shooting occasion, thus guaranteeing the better shooting quality. The present invention also relates to a camera shooting method.
Description
Technical field
The present invention relates to a kind of camera technique, relate in particular to a kind of camera head and image capture method.
Background technology
Along with development of multimedia technology, camera head such as digital camera, video camera more and more becomes consumers in general's favor, people pursue miniaturization to camera head when, higher requirement is also proposed for the quality of the image frame of its subject of shooting.The mobile shake that causes camera head of health or hand then makes this camera head be difficult to find automatically the best opportunity of shooting when tripping button as the user, thereby causes the bad of the image frame shot.
Summary of the invention
In view of this, be necessary to provide a kind of camera head and image capture method with automatic selection right moment for camera function.
A kind of camera head, it comprises push-button unit, displacement detection unit, AD conversion unit, signal processing unit and takes the unit.This push-button unit provides shooting trigger signals.This signal processing unit sends control signal according to this shooting trigger signals.Be preset with a very first time section in this displacement detection unit, the maximum jitter amount of this camera head in this very first time section detected according to this control signal in this displacement detection unit.This AD conversion unit receives this maximum jitter amount and converts this maximum jitter amount to digital signal.Be preset with a predetermined value scope in this signal processing unit, this signal processing unit receives this digital signal and judges whether this digital signal exceeds this number range, if not, then sends and takes order.This is taken the unit and takes command execution shooting action according to this.
A kind of image capture method of above-mentioned camera head, it may further comprise the steps:
One shooting trigger signals, a very first time section and a predetermined value scope are provided;
Send control signal according to this shooting trigger signals;
According to the maximum jitter amount of this control signal detecting camera head in this very first time section;
Convert this maximum jitter amount to corresponding digital signal;
Judge whether this digital signal exceeds this number range;
If this digital signal does not exceed this number range, then send and take order;
Take command execution according to this and take action.
Compared with prior art, described camera head and described image capture method thereof by judging the maximum jitter amount of this camera head in this very first time section, are selected best right moment for camera automatically, thereby guarantee preferable shooting quality.
Description of drawings
The functional block diagram of the camera head that Fig. 1 provides for embodiment of the present invention.
The flow chart of the image capture method that Fig. 2 provides for embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described in further detail.
See also Fig. 1, the camera head 100 that provides for embodiment of the present invention.This camera head 100 comprises that a push-button unit 10, displacement detection unit 20, AD conversion unit 30, signal processing unit 40 and one take unit 50.
This push-button unit 10 is used to send shooting trigger signals Y
1This push-button unit 10 comprises a tripper (figure does not show), and the user can make this push-button unit 10 send this shooting trigger signals Y by pressing this tripper
1
This signal processing unit 40 receives this shooting trigger signals Y
1, then, this signal processing unit 40 is according to this shooting trigger signals Y
1Send a control signal Y
2
Be preset with a very first time section in this displacement detection unit 20, this displacement detection unit 20 receives this control signal Y
2, then, detect the amount of jitter Y of this camera head 100 in this very first time section
3In the present embodiment, these displacement detection unit 20 designs are gone up and are adopted revolution inductor (Gyro Sensor also is gyroscope) to finish work of detection and examination.This revolution inductor every one should very first time section, just calculate the amount of jitter of this camera head 100 in this very first time section.The amount of jitter Y of this revolution inductor output
3Be the move angle of this camera head 100 in this very first time section, the jitter amplitude of this camera head 100 decision when the scope of this move angle is pressed by shutter key, generally the scope of this move angle choose-50 spend+50 degree between.Because of the difference of this revolution inductor design, the also corresponding difference of the value of this amount of jitter.At present, revolution inductor once sampling data in the sampling time of its regulation are (general, this sampling time is a Millisecond), the amount of jitter of the revolution inductor output that has is the maximum jitter amount in this very first time section, and the amount of jitter of the revolution inductor that has output is the average jitter amount in this very first time section.In the present embodiment, the amount of jitter of this revolution inductor output is the maximum jitter amount in this very first time section.In addition, this very first time section can not be too short, and is too short as the time, then can make this displacement detection unit 20 too sensitive, thereby can't determine the relatively stable time of this camera head 100.This very first time section again can not be oversize, and is oversize as the time, then can make this displacement detection unit 20 can not in time react the relative amount of jitter of this camera head 100.Therefore, this very first time section is obtained by test data fitting.In the present embodiment, the span of this very first time section is that 30 milliseconds (ms) are between the 100ms.
This AD conversion unit 30 receives this amount of jitter Y
3, and with this amount of jitter Y
3Convert digital signal Y to
4The amount of jitter Y of these displacement detection unit 20 outputs
3Be that average move angle is that mode by change in voltage passes to this AD conversion unit 30, this AD conversion unit 30 is converted to a digital signal Y with this change in voltage
4Corresponding above-mentioned-50 spend+scope of the move angles of 50 degree, in the present embodiment, this change in voltage scope is chosen 0 volt (V) to 3V; To should 0V to the change in voltage scope of 3V, if this digital signal Y
4Represent with binary digit, then this digital signal Y
4The scope of choosing be 00000000000 to 10000000000, if this digital signal Y
4Represent with ten's digit, then this digital signal Y
4The scope of choosing be 0 to 1024.Be appreciated that this AD conversion unit 30 can be integrated in this signal processing unit 40.
Also be preset with a number range and one second time period in this signal processing unit 40, this signal processing unit 40 also comprises a count sub-element 41.Be preset with a count value in this count sub-element 41, the initial value of this count value is zero.This second time period is a default value, and the user can be provided with as required.Can not be provided with yet.As not being provided with, then this second time period is a predefined value in the programming, and it is closely related that this value and numerous user wait the average time that this camera head 100 takes.
This signal processing unit 40 is received this shooting trigger signals Y
1After enter shooting state, and then output control signal Y
2To this displacement detection unit 20, control this displacement detection unit 20 and begin to carry out work of detection and examination.Subsequently, this signal processing unit 40 begins to receive the digital signal Y of this AD conversion unit 30
4, and judge this digital signal Y
4Whether exceed the number range of establishing in it, if not, then send and take order Y
5At this moment, this signal processing unit 40 sends reset signal to this count sub-element 41, makes the count value zero clearing of this count sub-element 41.When this signal processing unit 40 is judged this digital signal Y
4Exceed this number range, this signal processing unit 40 makes these count sub-element 41 countings once, and promptly this count value increases by one.This very first time section multiply by this count value and obtains one the 3rd time period, as this digital signal Y
4When exceeding this number range, this signal processing unit 40 judges that whether the 3rd time period is less than this second time period, if, this signal processing unit 40 receive again this displacement detection unit 20 in next very first time section amount of jitter and carry out processing same as described above.If this signal processing unit 40 judged for the 3rd time period and is not less than this second time period that then this signal processing unit 40 sends this shooting order Y
5Wherein, this number range is obtained by test data fitting, and this number range is these camera head 100 receptible jitter range.Be appreciated that this very first time section less than this second time period,, all can carry out shooting work no matter whether this this camera head 100 is in metastable state if this very first time section is not less than this second time period.
This takes the shooting order Y of unit 50 according to these signal processing unit 40 outputs
5Carry out and take action, obtain signal of video signal Y
6At last, this takes unit 50 with this signal of video signal Y
6Be transmitted back to this signal processing unit 40 and carry out follow-up work.
See also Fig. 2, the image capture method of the above-mentioned camera head 100 that provides for embodiment of the present invention, this image capture method may further comprise the steps:
Step S10, it is zero count value that a shooting trigger signals, a very first time section, one second time period, a predetermined value scope and a numerical value are provided.
Step S11 sends a control signal according to this shooting trigger signals.
Step S12 is according to the amount of jitter of this control signal detecting camera head 100 in this very first time section.
Step S13 converts this amount of jitter to corresponding digital signal.
Step S14 judges whether this digital signal exceeds this number range.
Do not exceed in this digital signal under the situation of this number range, carry out step S15, send and take order.Subsequently, carry out step S16, take action and send reset signal according to this shooting command execution.Afterwards, carry out step S17, according to this reset signal with this count value zero clearing.
Exceed in this digital signal under the situation of this number range, carry out step S19, this count value is increased by one.Carry out step S20 then, make this very first time section multiply by this count value and obtained for the 3rd time period.Carry out step S21 afterwards, judge that whether the 3rd time period is less than this second time period.Under the situation of the 3rd time period, carry out step S22, the amount of jitter of detecting camera head 100 in next very first time section less than this second time period.Afterwards, return step S13.
Be not less than in the 3rd time period under the situation of this second time period, carry out step S15.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection range that all should belong to claim of the present invention with distortion.
Claims (13)
1. camera head, it comprises push-button unit, displacement detection unit, AD conversion unit, signal processing unit and takes the unit, wherein:
This push-button unit provides shooting trigger signals;
This signal processing unit sends control signal according to this shooting trigger signals;
Be preset with a very first time section in this displacement detection unit, the maximum jitter amount of this camera head in this very first time section detected according to this control signal in this displacement detection unit;
This AD conversion unit receives this maximum jitter amount, and converts this maximum jitter amount to digital signal;
Be preset with a predetermined value scope in this signal processing unit, this signal processing unit receives this digital signal, and judges whether this digital signal exceeds this number range, if not, then sends and takes order; And
This is taken the unit and takes command execution shooting action according to this.
2. camera head as claimed in claim 1 is characterized in that this AD conversion unit is integrated in this signal processing unit.
3. camera head as claimed in claim 1, it is characterized in that, this signal processing unit also comprises a count sub-element, be preset with a count value in this count sub-element, the initial value of this count value is zero, when this signal processing unit judges that this digital signal exceeds this number range, this signal processing unit makes this count sub-element counting once, promptly this count value increases by one, when this signal processing unit sends this shooting order, this signal processing unit sends reset signal to this count sub-element, makes the count value zero clearing of this count sub-element.
4. camera head as claimed in claim 3, it is characterized in that, also be preset with for one second time period in this signal processing unit, this very first time section multiply by this count value and obtained for one the 3rd time period, when this digital signal exceeds this number range, whether this signal processing unit judged for the 3rd time period less than this second time period, if the maximum jitter amount of this camera head in next very first time section detected in this displacement detection unit.
5. as claim 1 or 4 described camera heads, it is characterized in that this number range is determined according to the receptible jitter range of this camera head, obtained by test data fitting.
6. camera head as claimed in claim 4 is characterized in that, the 3rd time period, this signal processing unit sent this shooting order when being not less than this second time period.
7. as claim 4 or 6 described camera heads, it is characterized in that this second time period is a default value, the user can be provided with as required, and should very first time section less than this second time period.
8. as claim 1 or 4 described camera heads, it is characterized in that the value of this very first time section is between 30 milliseconds to 100 milliseconds.
9. image capture method, it cooperates operation with camera head as claimed in claim 1, and this image capture method may further comprise the steps:
One shooting trigger signals, a very first time section and a predetermined value scope are provided;
Send control signal according to this shooting trigger signals;
According to the maximum jitter amount of this control signal detecting camera head in this very first time section;
Convert this maximum jitter amount to corresponding digital signal;
Judge whether this digital signal exceeds this number range;
If this digital signal does not exceed this number range, then send and take order;
Take command execution according to this and take action.
10. image capture method as claimed in claim 9, it is characterized in that, it is zero count value that this image capture method also provides one second time period and numerical value, exceed in this digital signal under the situation of this number range, this count value is increased by one, then, make this very first time section multiply by this count value and obtained for one the 3rd time period, then, judge that whether the 3rd time period is less than this second time period, under the situation of the 3rd time period less than this second time period, the maximum jitter amount of detecting camera head in next very first time section returned at last and converted this amount of jitter to corresponding this step of digital signal.
11. image capture method as claimed in claim 10 is characterized in that, is not less than in the 3rd time period under the situation of this second time period, carries out to send and takes this step of order.
12. image capture method as claimed in claim 10 is characterized in that, takes in this step of action taking command execution according to this, also sends reset signal according to this shootings order, afterwards, according to this reset signal with this count value zero clearing.
13. image capture method as claimed in claim 10 is characterized in that, this second time period is a default value, and the user can be provided with as required, and should very first time section less than this second time period.
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| CN2008103011784A CN101562697B (en) | 2008-04-17 | 2008-04-17 | Camera head and camera shooting method |
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| CN2008103011784A CN101562697B (en) | 2008-04-17 | 2008-04-17 | Camera head and camera shooting method |
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| CN101562697B true CN101562697B (en) | 2011-11-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103870257A (en) * | 2012-12-13 | 2014-06-18 | 腾讯科技（深圳）有限公司 | Continuous focusing method and device |
| CN104104856B (en) | 2013-04-09 | 2016-08-10 | 腾讯科技（深圳）有限公司 | Image-pickup method, device and electronic equipment |
| CN104184885A (en) * | 2013-05-28 | 2014-12-03 | 中兴通讯股份有限公司 | Photographing method and device with photographing function |
| CN104135622B (en) * | 2014-08-25 | 2018-05-01 | 广东欧珀移动通信有限公司 | A kind of method, device and mobile terminal of combination gyroscope optimization snap |
| CN105611179B (en) * | 2016-03-28 | 2018-09-04 | 广东欧珀移动通信有限公司 | It is a kind of to be used for multiframe preferred method, device and mobile terminal of the hand-held racket according to stabilization |
| CN106231186B (en) * | 2016-07-29 | 2017-07-28 | 广东欧珀移动通信有限公司 | Stabilization processing method, device and mobile terminal |
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| JP2006174105A (en) * | 2004-12-16 | 2006-06-29 | Casio Comput Co Ltd | Electronic camera and program |
| CN1941849A (en) * | 2005-09-29 | 2007-04-04 | 英华达(上海)电子有限公司 | Shooting device against shake and method by acceleration sensor in digital camera |
| JP2007180869A (en) * | 2005-12-27 | 2007-07-12 | Seiko Epson Corp | Photographing apparatus, electronic apparatus, photographing method, program, and recording medium |
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| JP2006174105A (en) * | 2004-12-16 | 2006-06-29 | Casio Comput Co Ltd | Electronic camera and program |
| CN1941849A (en) * | 2005-09-29 | 2007-04-04 | 英华达(上海)电子有限公司 | Shooting device against shake and method by acceleration sensor in digital camera |
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Application publication date: 20091021 Assignee: Huizhou Ruigang Technology Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2023980035084 Denomination of invention: Camera device and camera method Granted publication date: 20111109 License type: Common License Record date: 20230425 |
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Application publication date: 20091021 Assignee: SHENGHUA ELECTRONICS (HUIYANG) Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2023980035180 Denomination of invention: Camera device and camera method Granted publication date: 20111109 License type: Common License Record date: 20230428 |
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