CN100520497C - Camera and its hand vibration prevention method and system - Google Patents
Camera and its hand vibration prevention method and system Download PDFInfo
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- CN100520497C CN100520497C CNB2006101497642A CN200610149764A CN100520497C CN 100520497 C CN100520497 C CN 100520497C CN B2006101497642 A CNB2006101497642 A CN B2006101497642A CN 200610149764 A CN200610149764 A CN 200610149764A CN 100520497 C CN100520497 C CN 100520497C
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Abstract
The present invention relates to a hand vibration preventing method for cameras, which is suitable to control a shutter of a camera. The hand vibration preventing method comprises the following steps: firstly, whether a trigger signal is input or not is detected, wherein, the trigger signal is input into the camera by a user to trigger an image capturing program; when the trigger signal is detected to be input, the input time of the trigger signal is recorded as a first time; subsequently, the first time begins to delay hand vibration inhibiting time; finally, when the hand vibration inhibiting time expires, a shutter driving signal is generated, wherein, the shutter driving signal can drive the shutter of the camera to be turned on in real time, so as to execute the image capturing program.
Description
Technical field
The present invention relates to a kind of camera and hand vibration prevention method thereof and system, refer to a kind of especially by postponing shutter opening to suppress hand shake camera and the hand vibration prevention method and the system of phenomenon.
Background technology
Digital camera is when operation, and the hand of Zhao Yin when taking pictures vibrates and cause the problem of image fog perplexing shooting person all the time.The anti-hand camera that shakes promptly is to come out in order to overcome foregoing problems.The known anti-hand mechanism of shaking has multiple enforcement means, comprising the vibration that utilizes relatively moving of camera lens mechanism to compensate camera being arranged, utilizing control f-number and shutter opening time to suppress the hand phenomenon of shaking, and utilize software that the image that captures is carried out signal Processing, in the hope of replying the sharpness of image.
Generally speaking, the anti-hand mechanism of shaking mainly is to set up the vibration checking circuit in camera, and comprises that compensation mechanism such as mechanism and software compensate action based on the result that the vibration checking circuit is exported again.For example TaiWan, China patent announcement number the 258303rd case has promptly disclosed the anti-hand vibrating device of a kind of digital camera, it is to utilize acceleration transducer, interlock circuit and software to judge user's the hand degree of shaking, and then again according to the different hands degree of shaking, diaphragm shutter combination or ISO value are adjusted, with the inhibition hand phenomenon of shaking.
The mechanism image fog that vibration is caused to hand makes moderate progress though above-mentioned known anti-hand shakes, and so the implementation cost of means such as its indivedual circuit for detecting of taking, optical compensation mechanism and image processing is higher.Simultaneously, along with the raising of camera complexity, to product quality and the also influence to some extent of manufacturing process qualification rate.
The present inventor thoughts on prior art design complicated with shortcomings such as cost is higher, thereby the present invention is proposed.Simultaneously, the source of phenomenon mostly is the moment that the user presses shutter and causes camera body to rock because hand shakes, and suppresses the hand phenomenon of shaking so take to postpone shutter opening.In addition, for different users, its hand degree of shaking is also different.Therefore, propose to wish when reducing cost, also to take into account and reach effect by anti-hand hand that study mechanism the writes down indivedual users degree of shaking of shaking.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of camera and hand vibration prevention method thereof and system, it shakes on the other hand by the fast gate delay of control and opens after the inhibition time again, can reduce the shake cost of function of anti-hand.
The present invention discloses a kind of hand vibration prevention method of camera, and it is applicable to the shutter of control one camera.Whether the step of this hand vibration prevention method is at first detected a trigger pip and is imported, and wherein this trigger pip is imported this camera by a user, to trigger an image capture program.Secondly, when detecting this trigger pip input, it is a very first time with noting down the input time of this trigger pip.Subsequently, begin to postpone to shake the inhibition time on the other hand in this very first time.At last,, produce a fast gate drive signal when this hand shakes the inhibition time when expiring, but the shutter opening of this fast this camera of gate drive signal Real Time Drive wherein, to carry out this image capture program.
In specific embodiments of the invention, this hand anti-hand that the inhibition time carries out this camera for this user learning program that shakes that shakes sets.This user sets this hand step that suppresses time method of shaking, and at first, carries out the anti-hand learning program that shakes.Secondly, camera produces user's interface according to the execution of the learning program that should anti-hand shakes, and bootable this user of this user's interface utilizes this camera pick-up image.Subsequently, according to the guiding of this user's interface, this user utilizes many images of this camera acquisition, wherein these images corresponding respectively shutter opening time delay.In addition, relatively the quality of image of these images in these images, determines a specific image.At last, should the pairing shutter opening of specific image time delay be set at this hand and shake the inhibition time.
The present invention more discloses a kind of anti-hand vibrating system of camera, and it is applicable to the shutter of control one camera.Should comprise shake on the other hand inhibition setting module, a control module and a shutter driver module by anti-hand vibrating system.Hand shakes and suppresses setting module and store on the other hand and shake the inhibition time.Control module is coupled to this hand inhibition setting module that shakes, this control module is in order to receive a trigger pip, and then be a very first time, and begin to be delayed to this hand in this very first time and shake after the inhibition time expires output one fast gate drive signal the record of the generation time of this trigger pip.The shutter driver module is coupled to this control module, in order to receive this fast gate drive signal, to drive the shutter opening of this camera.The shake setting of inhibition time of described hand realizes by following structure: described anti-hand vibrating system comprises a processing module, is used to carry out the anti-hand learning program that shakes; Camera produces user's interface according to the execution of the learning program that should anti-hand shakes, and this user's interface guides this user to utilize this camera pick-up image; According to the guiding of this user's interface, this user utilizes many images of image acquisition module acquisition of this camera, wherein these images corresponding respectively shutter opening time delay; Relatively the quality of image of these images in these images, determines a specific image; Should the pairing shutter opening of specific image time delay be set at this hand and shake the inhibition time.
The present invention more discloses a kind of camera, and it comprises a shutter, a load module and an anti-hand vibrating system.Load module is in order to accept a user control, to produce a trigger pip.Anti-hand vibrating system comprises shake on the other hand inhibition setting module, a control module and a shutter driver module.Hand shakes and suppresses setting module and store on the other hand and shake the inhibition time.Control module is coupled to this load module and this hand inhibition setting module that shakes, this control module is in order to receive this trigger pip, and then it is a very first time with the record of the generation time of this trigger pip, and begin to be delayed to this hand in this very first time and shake after the inhibition time expires output one fast gate drive signal.The shutter driver module is coupled to this control module and this shutter, and this shutter driver module is in order to receive this fast gate drive signal, to drive the shutter opening of this camera.The shake setting of inhibition time of described hand realizes by following structure: described anti-hand vibrating system comprises a processing module, is used to carry out the anti-hand learning program that shakes; Camera produces user's interface according to the execution of the learning program that should anti-hand shakes, and this user's interface guides this user to utilize this camera pick-up image; According to the guiding of this user's interface, this user utilizes many images of image acquisition module acquisition of this camera, wherein these images corresponding respectively shutter opening time delay; Relatively the quality of image of these images in these images, determines a specific image; Should the pairing shutter opening of specific image time delay be set at this hand and shake the inhibition time.
Describe in detail by above instantiation, should know that disclosed camera and hand vibration prevention method thereof and system shake by the fast gate delay of control to open after the inhibition time on the other hand again, can reduce camera compared to prior art and increase the shake cost of function of anti-hand.In addition, disclosed camera and hand vibration prevention method thereof and system carry out the anti-hand learning program that shakes by the user and set hand and shake the inhibition time, can suppress its other hand phenomenon of shaking at the different users.
Above general introduction and ensuing detailed description and accompanying drawing all are to reach mode, means and the effect that predetermined purpose is taked in order to further specify the present invention.And relevant other purpose of the present invention and advantage will be set forth in follow-up explanation and accompanying drawing.
Description of drawings
Fig. 1 is the disclosed camera and the system architecture synoptic diagram of anti-hand vibrating system thereof;
Fig. 2 is shutter control timing figure of the present invention;
Fig. 3 is the method step process flow diagram of the hand vibration prevention method of disclosed camera;
Fig. 4 is the system architecture synoptic diagram of the specific embodiment of disclosed camera and anti-hand vibrating system thereof; And
Fig. 5 is the shake method step process flow diagram of establishing method of inhibition time of disclosed hand.
Description of reference numerals
1 camera
10 shutters, 11 load modules
12 user's interfaces, 13 image acquisition modules
2 anti-hand vibrating systems
20 hands shake and suppress setting module 21 control modules
22 shutter driver modules, 23 processing modules
The R trigger pip
The fast gate drive signal of M
The DC hand shakes the inhibition time
The T1 very first time
Second time of T2
Embodiment
At first, see also Fig. 1, this figure is the disclosed camera 1 and the system architecture synoptic diagram of anti-hand vibrating system 2 thereof.Among Fig. 1, camera 1 comprises a shutter 10, a load module 11 and an anti-hand vibrating system 2.Anti-hand vibrating system 2 comprises shake on the other hand inhibition setting module 20, a control module 21 and a shutter driver module 22 again.This anti-hand vibrating system 2 is applicable to the shutter 10 of control camera 1.
At this, please consult Fig. 2 simultaneously, in order to the mechanism of anti-hand vibrating system 2 in the key diagram 1.Fig. 2 is shutter control timing figure of the present invention, and the signal that includes a trigger pip R and a fast gate drive signal M among the figure produces sequential.The shutter 10 of Fig. 1 and Fig. 2 is meant the camera lens masking device.Load module 11 is in order to accept a user control, to produce a trigger pip R.Described load module 11 has comprised the tripper (not shown) that is arranged on camera 1 body.Generally speaking, tripper is the two-section press key structure.When pressing first section of tripper, carry out functions such as focusing.When continuing to press second section, promptly produce the trigger pip R of Fig. 2.This trigger pip R carries out an image capture program in order to trigger camera 1.
In the anti-hand vibrating system 2, hand shakes and suppresses setting module 20 and store to shake on the other hand and suppress time D C, and this hand shakes and suppresses time D C and set according to the shake execution of learning program of an anti-hand.This hand inhibition time of shaking preferablely is less than 1 second.Control module 21 is coupled to load module 11 and hand and shakes and suppress setting module 20, and it is in order to receiving trigger pip R, and then is a very first time T1 with the generation time record of trigger pip R.Control module 21 in very first time T1 begin to be delayed to hand shake suppress time D C at the expiration after, in one second time T, 2 outputs, one fast gate drive signal M.Shutter driver module 22 is coupled to control module 21, in order to receive this fast gate drive signal M, opens to drive shutter 10, makes camera 1 carry out the image capture program.
Then, see also Fig. 3, this figure is the method step process flow diagram of the hand vibration prevention method of disclosed camera.Wherein Xiang Guan system architecture and signal sequence are asked simultaneously with reference to Fig. 1 and Fig. 2.As shown in Figure 3, this hand vibration prevention method may further comprise the steps:
At first, whether detecting trigger pip R imports, and wherein this trigger pip R imports camera 1 by a user, carries out an image capture program to trigger camera 1, is step S300;
Secondly, when detecting trigger pip R input, be very first time T1, be step S310 noting down the input time of this trigger pip;
Subsequently, begin to postpone one section hand in very first time T1 and shake and suppress time D C, be step S320; And
At last, when hand shakes when suppressing time D C and expiring, produce a fast gate drive signal M, but wherein shutter 10 unlatchings of this fast gate drive signal M Real Time Drive camera 1 to carry out this image capture program, are step S330.
In step S320, this hand shakes and suppresses anti-hand that time D C carries out camera 1 for the user learning program that shakes and set.
Begin to describe in detail the shake implementation method of learning program of anti-hand of the present invention herein.See also Fig. 4, this figure is the system architecture synoptic diagram of the specific embodiment of disclosed camera 1 and anti-hand vibrating system 2 thereof.As shown in Figure 4, this anti-hand vibrating system 2 more comprises a processing module 23.Processing module 23 is coupled to hand and shakes and suppress setting module 20.Processing module 23 is in order to carry out the anti-hand learning program that shakes.In addition, camera 1 comprises a user's interface 12 and an image acquisition module 13.User's interface 12 is coupled to processing module 23, and this user's interface 12 is to produce according to the shake execution of learning program of anti-hand, and it utilizes many images of camera 1 acquisition in order to the guiding user, these images difference corresponding shutter opening time delay.Image acquisition module 13 is in order to pick-up image, and these images are inputed to processing module 23.This image acquisition module 13 comprises that a CMOS image sensor (not shown) is with the pick-up image signal.The embodiment of image acquisition module 13 is known, does not just remake at this and gives unnecessary details.
The mode of action of above-mentioned shutter opening time delay and the hand of Fig. 2 shake, and to suppress time D C identical.Control module 2 postpones one period shutter opening time delay in drive signal R input back, produce fast gate drive signal M again, opens to drive shutter 10, carries out the image capture program.Anti-hand of the present invention shakes learning program by with different shutter opening pick-up images time delay, so relatively the quality of image of these images to determine a specific image., this specific image pairing shutter opening time delay be set at hand shake suppress time D C, and this data storing shaken in hand suppress in the setting module 20 thereafter.
In addition, the decision of above-mentioned this specific image can be carried out according to one of them mode of following dual mode:
First kind of mode is processing module 23 according to the execution of the learning program that should anti-hand shakes, the quality of image that compares these images, and then in these images, determine this specific image, and should the pairing shutter opening of specific image time delay be set at this hand and shake and suppress time D C; And
The second way is the execution of user according to the learning program that should anti-hand shakes, and according to the guiding of user's interface 12, relatively the quality of image of these images in these images, determines this specific image.Processing module 23 and should the pairing shutter opening of specific image time delay be set at this hand inhibition time D C that shakes.
See also Fig. 5, this figure is the shake method step process flow diagram of establishing method of inhibition time of disclosed hand.As shown in Figure 5, the shake establishing method of inhibition time of this hand may further comprise the steps:
At first, camera 1 is carried out the anti-hand learning program that shakes, and is step S500;
Secondly, camera 1 produces user's interface 12 according to the execution of the learning program that should anti-hand shakes, and this user's interface 12 bootable these users utilize camera 1 pick-up image, are step S510;
Subsequently, according to the guiding of user's interface 12, this user utilizes many images of camera 1 acquisition, wherein these images corresponding respectively shutter opening time delay, is step S520;
In addition, relatively the quality of image of these images in these images, determines a specific image, is step S530; And
At last, should the pairing shutter opening of specific image time delay be set at this hand and shake and suppress time D C, be step S540.
In step S530, the quality of image of this specific image is better than other each image.
In a specific embodiment of the present invention, in step S530, by the quality of image of these these images of user's comparison, with this specific image of decision.
At another specific embodiment of the present invention, in step S530, be by processing module 23 execution according to the learning program that should anti-hand shakes, the quality of image of these images relatively is with this specific image of decision.
Describe in detail by above instantiation, should know that disclosed camera and hand vibration prevention method thereof and system shake by the fast gate delay of control to open after the inhibition time on the other hand again, can reduce camera compared to prior art and increase the shake cost of function of anti-hand.In addition, disclosed camera and hand vibration prevention method thereof and system carry out the anti-hand learning program that shakes by the user and set hand and shake the inhibition time, can suppress its other hand phenomenon of shaking at the different users.
But; the above; only be the detailed description and the accompanying drawing of specific embodiments of the invention; be not in order to restriction the present invention; all protection domains of the present invention should be as the criterion with the scope of following claims; any those skilled in the art in the field of the invention, can think easily and variation or modify all can be encompassed within protection scope of the present invention.
Claims (9)
1, a kind of hand vibration prevention method of camera is applicable to the shutter of controlling a camera, it is characterized in that, may further comprise the steps:
Whether detect a trigger pip and import, wherein this trigger pip, to trigger an image capture program by a user if being to import this camera;
When detecting this trigger pip input, it is a very first time with noting down the input time of this trigger pip;
Begin to postpone to shake the inhibition time on the other hand in this very first time; And
When this hand shakes the inhibition time when expiring, produce a fast gate drive signal, but the shutter opening of this fast this camera of gate drive signal Real Time Drive wherein, to carry out this image capture program;
Described hand inhibition time of shaking is to set according to following step:
At first, carry out the anti-hand learning program that shakes;
Secondly, camera produces user's interface according to the execution of the learning program that should anti-hand shakes, and bootable this user of this user's interface utilizes this camera pick-up image;
Subsequently, according to the guiding of this user's interface, this user utilizes many images of this camera acquisition, wherein these images corresponding respectively shutter opening time delay;
In addition, relatively the quality of image of these images in these images, determines a specific image;
At last, should the pairing shutter opening of specific image time delay be set at this hand and shake the inhibition time.
2, hand vibration prevention method as claimed in claim 1 is characterized in that, described hand anti-hand that the inhibition time carries out this camera for this user learning program that shakes that shakes sets.
3, a kind of anti-hand vibrating system of camera is applicable to the shutter of controlling a camera, it is characterized in that, comprising:
The inhibition setting module that shakes on the other hand stores on the other hand and shakes the inhibition time;
One control module, be coupled to this hand inhibition setting module that shakes, this control module is in order to receiving a trigger pip, and then is a very first time with the generation time record of this trigger pip, and begin to be delayed to this hand in this very first time and shake after the inhibition time expires output one fast gate drive signal; And
One shutter driver module is coupled to this control module, in order to receive this fast gate drive signal, to drive the shutter opening of this camera;
The shake setting of inhibition time of described hand realizes by following structure:
Described anti-hand vibrating system comprises a processing module, is used to carry out the anti-hand learning program that shakes;
Camera produces user's interface according to the execution of the learning program that should anti-hand shakes, and this user's interface guides a user to utilize this camera pick-up image;
According to the guiding of this user's interface, this user utilizes many images of image acquisition module acquisition of this camera, wherein these images corresponding respectively shutter opening time delay;
Relatively the quality of image of these images in these images, determines a specific image;
Should the pairing shutter opening of specific image time delay be set at this hand and shake the inhibition time.
4, anti-hand vibrating system as claimed in claim 3 is characterized in that, this anti-hand vibrating system also is connected with a load module, and this load module is coupled to this control module, and this load module is in order to accept this user's control, to produce this trigger pip.
5, anti-hand vibrating system as claimed in claim 3, it is characterized in that, described user's interface, it is coupled to this processing module, this user's interface is according to the execution of the learning program that should anti-hand shakes, guide this user to utilize many images of this camera acquisition, these images corresponding respectively shutter opening time delay.
6, anti-hand vibrating system as claimed in claim 3, it is characterized in that, described processing module is according to the execution of the learning program that should anti-hand shakes, the quality of image that compares these images, in these images, determine a specific image, and should the pairing shutter opening of specific image time delay be set at this hand and shake the inhibition time, and this hand inhibition time of shaking is stored in this hand inhibition setting module that shakes.
7, a kind of camera is characterized in that comprising:
One shutter;
One load module is in order to accept a user control, to produce a trigger pip; And
One anti-hand vibrating system comprises:
The inhibition setting module that shakes on the other hand stores on the other hand and shakes the inhibition time;
One control module, be coupled to this load module and this hand inhibition setting module that shakes, this control module is in order to receive this trigger pip, and then it is a very first time with the record of the generation time of this trigger pip, and begin to be delayed to this hand in this very first time and shake after the inhibition time expires output one fast gate drive signal; And
One shutter driver module is coupled to this control module and this shutter, and this shutter driver module is in order to receive this fast gate drive signal, to drive the shutter opening of this camera;
The shake setting of inhibition time of described hand realizes by following structure:
Described anti-hand vibrating system comprises a processing module, is used to carry out the anti-hand learning program that shakes;
Camera produces user's interface according to the execution of the learning program that should anti-hand shakes, and this user's interface guides this user to utilize this camera pick-up image;
According to the guiding of this user's interface, this user utilizes many images of image acquisition module acquisition of this camera, wherein these images corresponding respectively shutter opening time delay;
Relatively the quality of image of these images in these images, determines a specific image;
Should the pairing shutter opening of specific image time delay be set at this hand and shake the inhibition time.
8, camera as claimed in claim 7, it is characterized in that, described user's interface, it is coupled to this processing module, this user's interface is according to the execution of the learning program that should anti-hand shakes, guide this user to utilize many images of this camera acquisition, these images corresponding respectively shutter opening time delay.
9,Camera as claimed in claim 7, it is characterized in that, described processing module is according to the execution of the learning program that should anti-hand shakes, the quality of image that compares these images, in these images, determine a specific image, and should the pairing shutter opening of specific image time delay be set at this hand and shake the inhibition time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101497642A CN100520497C (en) | 2006-11-27 | 2006-11-27 | Camera and its hand vibration prevention method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101497642A CN100520497C (en) | 2006-11-27 | 2006-11-27 | Camera and its hand vibration prevention method and system |
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| Publication Number | Publication Date |
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| CN101191907A CN101191907A (en) | 2008-06-04 |
| CN100520497C true CN100520497C (en) | 2009-07-29 |
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| CNB2006101497642A Expired - Fee Related CN100520497C (en) | 2006-11-27 | 2006-11-27 | Camera and its hand vibration prevention method and system |
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| CN101191907A (en) | 2008-06-04 |
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