CN101163205A - Camera-shooting system and method - Google Patents
Camera-shooting system and method Download PDFInfo
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- CN101163205A CN101163205A CN 200610140210 CN200610140210A CN101163205A CN 101163205 A CN101163205 A CN 101163205A CN 200610140210 CN200610140210 CN 200610140210 CN 200610140210 A CN200610140210 A CN 200610140210A CN 101163205 A CN101163205 A CN 101163205A
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Abstract
The invention relates to a camera system and a method. The camera system comprises a first sensor which senses obliquity change of a camera device and generates a first sensing data; a second sensor which senses position movement of an image sensing unit in the camera device and generates a second sensing data; a drive device which is coupled with the image sensing unit; as well as a processing module group which receives the first sensing data and the second sensing data and integrates the first sensing data, moreover, the processing module group can calculate a control information according to the integrated first sensing signal and the second sensing signal so that the drive device can regulate the position of the image sensing unit according to the control information. The camera system and the method of the invention solve the problem of indistinct image due to vibration of a camera.
Description
Technical field
The present invention can carry out integration through the data that the angular speed sensor is sensed about a kind of especially, thereby carry out the camera system and the method for vibration compensation relevant for a kind of camera system.
Background technology
Along with in recent years, going out digital photos owing to the volume of digital camera is frivolous and captured can be easily at relevant apparatus, and as the characteristic of inspecting in the computer system and handling, digital camera has become one of necessary article in modern's life.
In all cameras, all exist in the frivolous digital camera of the problem of setting about shaking, particularly volume.Because the stability of the hand-held digital camera of user is not enough, therefore, usually can be in the moment of pressing shutter, because shake or the finger application of force of tripping and caused the vibrations of camera of user's hand when gripping, thereby shoot fuzzy image.Therefore, the technology of anti-hand shake is provided in the general digital camera usually.
U.S.'s publication 2005/0031326 and known two pieces of Japanese patent laid-open H08-136962 thereof and spy open among the flat H11308521, be to utilize position sensor to sense moving of image sensing unit, and come sense angular speed by a gyroscope (Gyro) sensor, the processor of digital camera can go out compensating value according to the data estimation that senses, and move the revisal lens set with drive unit and compensated, thereby solve the problem that the camera vibrations cause image fog.Yet, come the shortcoming of revisal vibrations to be to drive the revisal lens set:, to cause the mutual collision between eyeglass easily if the revisal lens set has excessive action.
Summary of the invention
The present invention provides a kind of camera system, comprises first sensor, in order to the inclination angle variation of sensing camera head, and produces first sense data; Second sensor moves in order to the position of image sensing unit in this camera head of sensing, and produces second sense data; Drive unit couples this image sensing unit; And processing module, receive this first sense data and this second sense data, this first sense data is carried out integration, and calculate control information according to this first sensing signal behind the integration and this second sensing signal, so that this drive unit is adjusted the position of this image sensing unit according to this control information.
Camera system of the present invention, this first sensor are a gyroscope sensor (Gyro Sensor).
Camera system of the present invention, this second sensor are an ear sensor (HallEffect Sensor) suddenly.
Camera system of the present invention, this first sense data are the angular velocity signal of this camera head.
Camera system of the present invention, this second sense data are the position signalling of this image sensing unit.
Camera system of the present invention, this processing module comprises: a first integrator, in order to this first sense data is carried out integration; One assembled unit is in order to handle this first sense data behind the integration and this second sense data; One first proportional-integral derivative controller in order to receiving the data after this assembled unit is handled, and produces a first information as this control information according to the data after handling.
Camera system of the present invention, this processing module more comprises a phase compensation unit, in order to calculate phase compensation data according to this first sense data, and transmitting these phase compensation data to this assembled unit, this first sense data and this second sense data of this assembled unit after according to these phase compensation data, integration handled.
Camera system of the present invention, this processing module more comprises at least one analog/digital converter, in order to respectively this first sense data and this second sense data are converted to numerical data.
Camera system of the present invention, this processing module more comprises: one second proportional-integral derivative controller, in order to couple this second sense data, in order to produce one second information; And a selected cell, couple this first proportional-integral derivative controller and second proportional-integral derivative controller, in order to export this first information or this second information as this control information.
Camera system of the present invention, this selected cell is exported this first information or this second information according to user's indication.
The present invention also provides another kind of camera system, comprises the gyroscope sensor, changes in order to the inclination angle of sensing camera head, and produces the angular velocity signal of this camera head; The ear sensor moves in order to the position of image sensing unit in this camera head of sensing, and produces the position signalling of this image sensing unit suddenly; Handle module, comprise first integrator, in order to this angular velocity signal is carried out integration; Assembled unit is in order to handle this angular velocity signal behind this position signalling and the integration; Proportional-integral derivative controller in order to receiving the data after this assembled unit is handled, and produces control information according to the data after handling; And drive set controller, in order to produce corresponding control signal according to this control information; And drive unit, be coupled to this image sensing unit, in order to receive this control signal and to adjust the position of this image sensing unit according to this control signal.
Camera system of the present invention, this processing module more comprises a phase compensation unit, in order to calculate phase compensation data according to this angular velocity signal, and transmitting these phase compensation data to this assembled unit, this angular velocity signal and this position signalling of this assembled unit after according to these phase compensation data, integration handled.
Camera system of the present invention more comprises at least one analog/digital converter, in order to respectively this angular velocity signal and this position signalling are converted to numerical data.
The present invention also provides a kind of image capture method, comprises that the inclination angle that sees through the first sensor sensing camera head changes, thereby obtains first sense data; Move the position that sees through image sensing unit in second this camera head of sensor sensing, thereby produce second sense data; This first sense data is carried out integration; Calculate control information according to this first sense data behind the integration and this second sense data; And cause drive unit to adjust the position of this image sensing unit according to this control information.
Image capture method of the present invention, this first sense data are the angular velocity signal of this camera head.
Image capture method of the present invention, this second sense data are the position signalling of this image sensing unit.
Image capture method of the present invention more comprises the following steps: to calculate phase compensation data according to this first sense data; And add up according to this first sense data behind these phase compensation data, the integration and this second sense data.
Image capture method of the present invention more comprises by a proportional-integral derivative controller, these data that add the General Logistics Department is handled, so that draw a first information, as this control information.
Image capture method of the present invention more comprises by another proportional-integral derivative controller, this second sense data is handled, so that draw one second information; And export this first information or this second information as this control information.
Image capture method of the present invention more comprises according to user's indication and exports this first information or this second information.
Camera system of the present invention and method have solved camera and have shaken the problem that causes image fog.
Description of drawings
Fig. 1 is the embodiment for camera system of the present invention;
Fig. 2 is the flow chart for image capture method of the present invention;
Fig. 3 A, Fig. 3 B and Fig. 3 C are that oscillogram is to show time that the angular speed sensor sensed relation of corresponding angle, angular speed and angular acceleration respectively;
Fig. 4 A, Fig. 4 B and Fig. 4 C are that oscillogram is time difference correspondence position, speed and the relationship with acceleration that the display position sensor is sensed.
Embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, a preferred embodiment cited below particularly, and cooperate appended diagram, be described in detail below:
Fig. 1 is the embodiment for camera system of the present invention.Camera system of the present invention is to can be the camera head with anti-hand shake function, for example digital camera.As shown in the figure, camera system 100 comprise gyroscope sensor (Gyro Sensor) 10, suddenly ear sensor (HallEffect Sensor) 20, handle module 30, drive unit 40, image sensing unit 50, high pass filter 60 and amplifier 70A and 70B.
In the present embodiment, the inclination angle of gyroscope sensor 10 sensing camera heads changes, and transmits signals to high pass filter 60, with erasure signal drift or other unnecessary signal section.Afterwards, signal is delivered to an analog/digital converter (A/D) 41A that handles in the module 30 after amplifying through an amplifier 70A, become digital sensing signal S1 in order to the conversion of signals that gyroscope sensor 10 is sensed, offer integrator 42 and phase compensation unit 43.Note being, analog/digital converter (A/D) 41A, the sensing signal S1 that is changed out also can provide to phase compensation unit 43, carries out phase compensation, and dependent phase offset data S3 is provided to assembled unit 44.
On the other hand, amplifier 70B be in order to will be suddenly the signal that sensed of ear sensor 20 amplify, wherein amplifier 70B also can be integrated in suddenly in the ear sensor 20, but is not limited to this.The signal of being exported of amplifier 70B is to deliver to another analog/digital converter (A/D) 41B that handles in the module 30, in order to will be suddenly the conversion of signals that sensed of ear sensor 20 become the sense data S2 of numeral, and sense data S2 is sent to assembled unit 44 and proportional-integral derivative controller 45B.Proportional-integral derivative controller 45B carries out computings such as integration, differential, totalling according to received data, produces corresponding information I2.
In addition, sense data S1 is through behind the integration, and integrator 42 offers assembled unit 44 with the sense data S11 behind the integration.Assembled unit 44 is to add up to handle according to the sense data S11 behind the integration, phase compensation data S3 and sense data S2 to obtain sum data S4, and the sum data S4 after will handling is sent to another proportional-integral derivative controller 45A, to produce corresponding information I1.
Be noted that information I1 that proportional-integral derivative controller 45A and 45B are exported and I2 transfer to selected cell 46, a multiplexer for example, in order to according to different situations, the user can select the control of being correlated with.For example, when firm start, camera head 100 can be predetermined to be selection information I2 and set as the initial compensation of control information CI, is sent to drive set controller 47, prevents the compensation deals of hand shake.And can select to convert to information I1 again according to the preference of self by the user and be sent to drive set controller 47, in order to prevent the compensation deals of hand shake as control information CI.
Control signal from drive set controller 47 can also be different and different according to the design of drive unit 40, for example, control signal can be to export to the control voltage of drive unit 40, the adjustment that the voltage of different pulse frequency or pulse duration can cause drive unit 40 to carry out in various degree for image sensing unit 50.
The present invention also provides a kind of image capture method, and Fig. 2 is the flow chart for image capture method of the present invention.
In step S10, the inclination angle that sees through gyroscope sensor 10 sensings one camera head changes, and produces the corresponding sensing data, and for example, gyroscope sensor 10 is the angular velocity signal of output camera head 100, for example angular speed under different time (t)
Change (shown in Fig. 3 B), or the angular acceleration under different time (t)
Change (shown in Fig. 3 C).Be noted that the signal that gyroscope sensor 10 senses is to be sent to high pass filter 60,, amplify by amplifier 70A afterwards with erasure signal drift or other unnecessary signal section.Signal after the amplification is again by analog/digital converter (A/D) 41A, and the conversion of signals that gyroscope sensor 10 is sensed becomes digital sensing signal S1, offers integrator 42 and phase compensation unit 43.
In step S20, move the position that sees through image sensing unit 50 in the ear sensor 20 sensing camera heads 100 suddenly, thereby produce the corresponding sensing data, for example, ear sensor 20 is the position signallings that produce image sensing unit 50 suddenly, for example the position (p) under different time (t) changes (shown in Fig. 4 A), or the speed under different time (t) (v) changes (shown in Fig. 4 B).The signal that sensed of ear sensor 20 is amplified by amplifier 70B suddenly, again via analog/digital converter (A/D) 41B, in order to will be suddenly the conversion of signals that sensed of ear sensor 20 become the sense data S2 of numeral, and sense data S2 is sent to assembled unit 44 and proportional-integral derivative controller 45B.
In step S30,, be to carry out integration, and the sense data S11 behind the integration is offered assembled unit 44 by integrator 42 from the sensing signal S1 of analog/digital converter (A/D) 41A.In addition, the sensing signal S1 from analog/digital converter (A/D) 41A also carries out phase compensation by a phase compensation unit, and dependent phase offset data S3 is provided to assembled unit 44.
In step S40, sense data S1, S2 behind the integration and phase compensation data S3 add up by an assembled unit 44, to calculate a control information CI.Be noted that in addition, the sum data S4 that assembled unit 44 adds the General Logistics Department handles via proportional-integral derivative controller 45A, so that draw information I1, and handle by another proportional-integral derivative controller 45B from the sense data S2 of analog/digital converter (A/D) 41B, so that draw information I2.Information I1 that proportional-integral derivative controller 45A and 45B are exported and I2 are sent to selected cell 46, and information I1 is to be output as control information CI according to different situations with I2.For example, when firm start, camera head 100 can be predetermined to be the initial value of selection information I2 as control information CI, prevent the compensation deals of hand shake, and can convert selection information I1 again to as control information CI according to self preference by the user, in order to prevent the compensation deals of hand shake.
Wherein be noted that because gyroscope sensor 10 measured signals are the angular speed that can be under different time (t)
Change (shown in Fig. 3 B), or the angular acceleration under different time (t)
Change (shown in Fig. 3 C), and ear sensor 20 measured signals are that the position (p) that can be under different time (t) changes (shown in Fig. 4 A) suddenly, or the speed under different time (t)
Change (shown in Fig. 4 B), therefore will have at least three kinds of modes to draw the sum data S4 that assembled unit 44 of the present invention adds the General Logistics Department.
If gyroscope sensor 10 measured signals are the angular velocity signal shown in Fig. 3 B, and ear sensor 20 measured signals change (being displacement) for the position (p) among Fig. 4 A suddenly, the measured angular velocity signal of gyroscope sensor 10 this moment can become angle signal among Fig. 3 A via integrator 42, measured with ear sensor suddenly 20 again displacement compares (or totalling) to draw sum data S4.
Or say that if gyroscope sensor 10 measured signals are the angular acceleration signal shown in Fig. 3 C, and ear sensor 20 measured signals are speed among Fig. 4 B suddenly
Change (being displacement speed), this moment, gyroscope sensor 10 measured angular acceleration signals can become Fig. 3 B angular velocity signal via integrator 42, and measured with ear sensor suddenly 20 again velocity of displacement compares (or totalling) to obtain sum data S4.
Also or say, if gyroscope sensor 10 measured signals are the angular acceleration signal shown in Fig. 3 C, and ear sensor 20 measured signals change (being displacement) for the position (p) among Fig. 4 A suddenly, this moment, gyroscope sensor 10 measured angular acceleration signals can carry out quadratic integral via integrator 42, become the angle signal among Fig. 3 A, measured with ear sensor suddenly 20 again displacement compares (or totalling) to obtain sum data S4.In step S50, cause drive unit 40 to adjust the position of image sensing unit 50 according to this control information CI, in order to prevent the compensation deals of hand shake.For example, drive set controller 47 is according to control information CI, control pulse wave width modulation device 48 and universal input/go out end 49, output pulse wave width modulation signal AS and direction control signal DS, and so as to sending control signal to adjust the position of image sensing unit 50.
Be noted that, the present invention is not limited to the drive unit of any pattern, for example, drive unit 40 be can adopt coil drive unit, piezoelectricity promoters (piezoelectric actuator) or stepper motor one of them, with the position of movable image sensing cell 50.Control signal from drive set controller 47 can also be different and different according to the design of drive unit 40, for example, control signal can be to export to the control voltage of drive unit 40, the adjustment that the voltage of different pulse frequency or pulse duration can cause drive unit 40 to carry out in various degree for image sensing unit 50.
The above only is preferred embodiment of the present invention; so it is not in order to limit scope of the present invention; any personnel that are familiar with this technology; without departing from the spirit and scope of the present invention; can do further improvement and variation on this basis, so the scope that claims were defined that protection scope of the present invention is worked as with the application is as the criterion.
Being simply described as follows of symbol in the accompanying drawing:
10: the gyroscope sensor
20: ear sensor suddenly
30: process module
40: drive unit
41A, 41B: analog/digital converter
42: integrator
43: phase compensation unit
44: assembled unit
45A, 45B: proportional-integral derivative controller
46: selected cell
47: drive set controller
48: the pulse wave width modulation device
49: universal input/go out to hold
50: image sensing unit
60: high pass filter
70A and 70B: amplifier
S1～S4, DS, AS: signal
I1, I2, CI: information
100: camera system
Claims (17)
1. a camera system is characterized in that, this camera system comprises;
One first sensor in order to the inclination angle variation of sensing one camera head, and produces one first sense data;
One second sensor moves in order to the position of an image sensing unit in this camera head of sensing, and produces one second sense data;
One drive unit couples this image sensing unit; And
One handles module, receive this first sense data and this second sense data, this first sense data is carried out integration, and calculate a control information according to this first sensing signal behind the integration and this second sensing signal, so that this drive unit is adjusted the position of this image sensing unit according to this control information.
2. camera system according to claim 1 is characterized in that, this first sensor is a gyroscope sensor.
3. camera system according to claim 1 is characterized in that, this second sensor is an ear sensor suddenly.
4. camera system according to claim 1 is characterized in that, this first sense data is the angular velocity signal of this camera head.
5. camera system according to claim 1 is characterized in that, this second sense data is the position signalling of this image sensing unit.
6. camera system according to claim 1 is characterized in that, this processing module comprises:
One first integrator is in order to carry out integration with this first sense data;
One assembled unit is in order to handle this first sense data behind the integration and this second sense data;
One first proportional-integral derivative controller in order to receiving the data after this assembled unit is handled, and produces a first information as this control information according to the data after handling.
7. camera system according to claim 6, it is characterized in that, this processing module more comprises a phase compensation unit, in order to calculate phase compensation data according to this first sense data, and transmitting these phase compensation data to this assembled unit, this first sense data and this second sense data of this assembled unit after according to these phase compensation data, integration handled.
8. camera system according to claim 6 is characterized in that, this processing module more comprises at least one analog/digital converter, in order to respectively this first sense data and this second sense data are converted to numerical data.
9. camera system according to claim 6 is characterized in that, this processing module more comprises:
One second proportional-integral derivative controller is in order to couple this second sense data, in order to produce one second information; And
One selected cell couples this first proportional-integral derivative controller and second proportional-integral derivative controller, in order to export this first information or this second information as this control information.
10. camera system according to claim 9 is characterized in that, this selected cell is exported this first information or this second information according to user's indication.
11. an image capture method is characterized in that this image capture method comprises the following steps:
The inclination angle that sees through one first sensor sensing, one camera head changes, thereby obtains one first sense data;
Move the position that sees through an image sensing unit in one second this camera head of sensor sensing, thereby produce one second sense data;
This first sense data is carried out integration;
Calculate a control information according to this first sense data behind the integration and this second sense data; And
Cause a drive unit to adjust the position of this image sensing unit according to this control information.
12. image capture method according to claim 11 is characterized in that, this first sense data is the angular velocity signal of this camera head.
13. image capture method according to claim 11 is characterized in that, this second sense data is the position signalling of this image sensing unit.
14. image capture method according to claim 11 is characterized in that, more comprises the following steps:
Calculate phase compensation data according to this first sense data; And
Add up according to this first sense data behind these phase compensation data, the integration and this second sense data.
15., it is characterized in that according to claim 14 described image capture methods, more comprise by a proportional-integral derivative controller, these data that add the General Logistics Department are handled, so that draw a first information, as this control information.
16. image capture method according to claim 15 is characterized in that, more comprises by another proportional-integral derivative controller, this second sense data is handled, so that draw one second information; And
Export this first information or this second information as this control information.
17. image capture method according to claim 16 is characterized in that, more comprises according to user's indication exporting this first information or this second information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610140210 CN100531317C (en) | 2006-10-09 | 2006-10-09 | Camera-shooting system and method |
| HK08110542.4A HK1114571A1 (en) | 2006-10-09 | 2008-09-23 | Image pickup system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610140210 CN100531317C (en) | 2006-10-09 | 2006-10-09 | Camera-shooting system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101163205A true CN101163205A (en) | 2008-04-16 |
| CN100531317C CN100531317C (en) | 2009-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610140210 Active CN100531317C (en) | 2006-10-09 | 2006-10-09 | Camera-shooting system and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100531317C (en) |
| HK (1) | HK1114571A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196168A (en) * | 2010-03-17 | 2011-09-21 | 佳能企业股份有限公司 | Anti-shake circuit for an imaging device |
| US8059159B2 (en) | 2009-03-02 | 2011-11-15 | Hon Hai Precision Industry Co., Ltd. | Image capturing device and method for adjusting photographing angle thereof |
| CN102685360A (en) * | 2011-03-10 | 2012-09-19 | 晶相光电股份有限公司 | Integrated contact image sensing module and image scanning system |
| CN104104855A (en) * | 2013-04-07 | 2014-10-15 | 联咏科技股份有限公司 | Image fuzzy prevention method and image processing chip |
| JP2021009249A (en) * | 2019-07-02 | 2021-01-28 | キヤノン株式会社 | Imaging apparatus and method for controlling the same, and lens device and method for controlling the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4328573B2 (en) * | 2003-08-07 | 2009-09-09 | キヤノン株式会社 | Vibration correction apparatus and control method thereof |
| JP2006197216A (en) * | 2005-01-13 | 2006-07-27 | Olympus Imaging Corp | Photographic device with blur correcting function, and shake correction method |
-
2006
- 2006-10-09 CN CN 200610140210 patent/CN100531317C/en active Active
-
2008
- 2008-09-23 HK HK08110542.4A patent/HK1114571A1/en not_active IP Right Cessation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8059159B2 (en) | 2009-03-02 | 2011-11-15 | Hon Hai Precision Industry Co., Ltd. | Image capturing device and method for adjusting photographing angle thereof |
| CN102196168A (en) * | 2010-03-17 | 2011-09-21 | 佳能企业股份有限公司 | Anti-shake circuit for an imaging device |
| CN102196168B (en) * | 2010-03-17 | 2013-11-13 | 佳能企业股份有限公司 | Anti-shake circuit for an imaging device |
| CN102685360A (en) * | 2011-03-10 | 2012-09-19 | 晶相光电股份有限公司 | Integrated contact image sensing module and image scanning system |
| CN104104855A (en) * | 2013-04-07 | 2014-10-15 | 联咏科技股份有限公司 | Image fuzzy prevention method and image processing chip |
| JP2021009249A (en) * | 2019-07-02 | 2021-01-28 | キヤノン株式会社 | Imaging apparatus and method for controlling the same, and lens device and method for controlling the same |
| JP7305464B2 (en) | 2019-07-02 | 2023-07-10 | キヤノン株式会社 | Optical device and its control method |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1114571A1 (en) | 2008-11-07 |
| CN100531317C (en) | 2009-08-19 |
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