CN101424857A - Camera anti-shaking system and method - Google Patents
Camera anti-shaking system and method Download PDFInfo
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- CN101424857A CN101424857A CNA2007101652483A CN200710165248A CN101424857A CN 101424857 A CN101424857 A CN 101424857A CN A2007101652483 A CNA2007101652483 A CN A2007101652483A CN 200710165248 A CN200710165248 A CN 200710165248A CN 101424857 A CN101424857 A CN 101424857A
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Abstract
A shockproof system for a camera comprises a pulse sense module and a processing/control module. The pulse sense module is used for sensing the pulse flopping state and converting the pulse flopping state into a pulse value to output; the processing/control module is coupled to the pulse sense module to receive the pulse value and compares the pulse value with a standard value; when the pulse value exceeds the allowable scope of the standard value, the shockproof procedure is started to generate a guard signal to remind a user of taking another stabler photographing mode; and/or the operation of a shockproof compensation module is controlled to coordinate the image retrieval.
Description
Technical field
The present invention relates to a kind of camera, refer to a kind of anti-shaking system and method for camera especially.
Background technology
The image stabilization technique is one of main research and development problem of digital camera, the anti-hand shake function of camera can be assisted user's pick-up image under situations such as low-light (level) environment, long-focus shooting and microshot, improves to cause the ambiguous problem of pick-up image because of body rocks.
The hand shake compensation method of industry proposition at present mainly includes dual modes such as optical system compensation and image compensation calculation.The optical system compensation is based on mechanical principle, allows modules such as lens group or photo-sensitive cell do relative displacement according to exterior vibration, offsets the shaking phenomenon of body, makes imaging clear.The image compensation calculation then is to utilize software to do logical calculus, through the double exposure of image, or utilizes Digital Signal Processing to estimate the dynamic deflection of image, carries out the row, column reorganization of image array again, to obtain sharp image.
Another core technology of anti-hand shake mechanism is the inertia sensing technology that detects seismism, at present camera adopts action sensing elements such as gyroscope and acceleration transducer to detect the body vibrating state mostly, according to the sensing value of passing processor back, come the startup of control compensation mechanism.
This case inventor continues to develop towards miniaturization in view of digital camera, the also related increase of the probability that causes body to rock, anti-hand shake function certainly will will develop into one of indispensable function of camera, so propose the hand shake phenomenon that another way detects the user, phase is by the proposition of this case, makes the design concept horn of plenty more of digital camera.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of anti-shaking system and method for camera, it obtains user's pulse value by the pulse detecting module, and when the pulse value exceeds the permissible range of standard value, start hand shake inhibition program, remind the user to take another more stable photographic means to produce alarm signal and/or information warning, and/or control hand shake compensating module operates and cooperate image capture, can avoid filmed image smudgy because of hand shake phenomenon.
The present invention discloses a kind of anti-shake method of camera, is applicable to that suppressing the captured image of a camera blurs because of hand shake phenomenon.The step of described anti-shake method is: at first, and sensing one beat pulse state.Secondly, changing this beat pulse state is a pulse value.Thereafter, the size of a comparison pulse value and a standard value.At last, when this pulse value exceeds a permissible range of this standard value, start and shake the inhibition program on the other hand.
The present invention discloses a kind of anti-shaking system of camera again, is arranged at a camera.Described anti-shaking system includes a pulse detecting module and a processing/control module.Pulse detecting module sensing one beat pulse state, and be pulse value output with the beat pulse state exchange.Processing/control module is coupled to the pulse detecting module with reception pulse value, and a pulse value and a standard value are made comparisons, and when the pulse value exceeds a permissible range of standard value, starts and shakes the inhibition program on the other hand.
According to a specific embodiment of the present invention, described anti-shaking system includes an alarm module and is coupled to processing/control module, and described hand shake inhibition program comprises that driving alarm module produces an alarm signal.
According to a specific embodiment more of the present invention, described camera has a display module and is coupled to this processing/control module, and described hand shake inhibition program comprises that driving this display module shows an information warning.
According to a specific embodiment more of the present invention, described camera has a vibration compensation module and is coupled to processing/control module, described hand shake inhibition program comprises that producing a compensating parameter is sent to the vibration compensation module, cooperates an image capture signal to capture an image with control vibration compensation module.
In other words, the invention provides a kind of anti-shake method of camera, be applicable to that suppressing the captured image of a camera blurs because of hand shake phenomenon, this anti-shake method comprises the following steps: sensing one beat pulse state; Changing this beat pulse state is a pulse value; The size of this a pulse value and a standard value relatively; And when this pulse value exceeds a permissible range of this standard value, start and shake the inhibition program on the other hand.
The present invention also provides a kind of anti-shaking system of camera, is arranged at a camera, and this anti-shaking system comprises: a pulse detecting module, and sensing one beat pulse state, and be pulse value output with this beat pulse state exchange; And a processing/control module, be coupled to this pulse detecting module receiving this pulse value, and this a pulse value and a standard value are made comparisons, when this pulse value exceeds a permissible range of this standard value, start and shake the inhibition program on the other hand.
In sum, when the anti-shaking system that can know disclosed camera and method are to come sensing user's beat pulse state by the pulse detecting module, and then obtain the pulse value, so that the pulse value is when exceeding the permissible range of standard value, start hand shake inhibition program, produce alarm signal or information warning prompting user and take another more stable shooting style, and/or control vibration compensation module running cooperation image capture, smudgy to prevent filmed image because of hand shake phenomenon.Utilize sensing camera shock momentum to start hand shake compensation program compared to prior art, this case proposes a kind of brand-new hand shake detecting mechanism, makes the design concept horn of plenty more of camera.
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 camera of disclosed tool pulse detecting function and the system architecture synoptic diagram of anti-shaking system thereof;
Fig. 2 is the schematic appearance of a specific embodiment of the camera of disclosed tool pulse detecting function;
Fig. 3 is the schematic appearance of another specific embodiment of the camera of disclosed tool pulse detecting function;
Fig. 4 is the schematic appearance of a specific embodiment again of the camera of disclosed tool pulse detecting function; And
Fig. 5 is the flow chart of steps of the anti-shake method of disclosed camera.
[description of reference numerals]
10,20,30,40: the camera of tool pulse detecting function
11: anti-shaking system
100: processing/control module
110,210,310,410: take button
120,420: the pulse detecting module
122,222,322: pulse transducer
124: signal processing unit
126: analog digital converting unit
130: the vibration compensation module
132: the focal length adjustment unit
134: the exposure adjustment unit
140,340: display module
150: memory modules
160: alarm module
25,35,45: body
427: transmission line
428: fixed band
S500～S506: each steps flow chart
Embodiment
The stability of the hand-held object of the related influence of meeting because human pulse is beated, under the too high situation of pulse value, to cause the vibrations of camera body, cause filmed image smudgy, so the anti-shaking system and the method for the camera of this case, system detects hand shake phenomenon by detecting user's pulse value, and then starts hand shake inhibition program, to improve image because of the ambiguous problem of hand shake phenomenon.
See also Fig. 1, this figure is the camera of disclosed tool pulse detecting function and the system architecture synoptic diagram of anti-shaking system thereof.As shown in Figure 1, camera 10 has an anti-shaking system 11, anti-shaking system 11 includes a processing/control module 100, and the pulse detecting module 120, a vibration compensation module 130, a memory modules 150 and the alarm module 160 that are coupled to processing/control module 100.Camera 10 has more one and takes a button 110 and a display module 140, is respectively coupled to processing/control module 100.
Processing/control module 100 is the control and the logical calculus core of camera 10, and taking button 110 is to accept the user to push actuating, carries out image capture program acquisition external image with control and treatment/control module 100.Press, camera 10 has a photoelectricity sensing module (not shown) in addition, utilizes CCD or CMOS Image Sensor to come pick-up image.Vibration compensation module 130 is to accept the control running of processing/control module 100, compensates the body seismism, prevents that image is smudgy because of vibrations.
Again, vibration compensation module 130 can take anti-hand shake technology of optics or image calculation technology to suppress hand shake phenomenon.The vibration compensation module 130 of Fig. 1 is to prevent that with optics hand shake technology as legend, includes a focal length adjustment unit 132 and an exposure adjustment unit 134, accepts the control of processing/control module 100 respectively, adjusts imaging focal length and image exposure amount.Described imaging focal length generally is to change through the spacing of adjusting lens wearer and Image Sensor, and the image exposure amount then is the common decision of light sensitivity institute by lens aperture, shutter speed and Image Sensor.
Taking button 110 is the two-section press key structure, when user's flicking is taken button 110, the first section button that activates shooting button 110 is produced a trigger pip be sent to processing/control module 100, starts functions such as sensitization and focusing; And when the user continues to press shooting button 110, the second section button that activates shooting button 110 produced an image capture signal be sent to processing/control module 100, drive the shutter opening pick-up image.The sensitization of camera and focusing technology are existing, therefore just do not remake at this and give unnecessary details.
At a specific embodiment, described standard value is based on the statistical value of general user Wuding County degree, and described permissible range can be a percent value of standard value, for example: permissible range is 10 o'clock of standard value, when standard value is 80, the limit of its permissible range then is 88, and standard value and permissible range thereof and in the process stage write memory module 150 of camera 10.
At another specific embodiment, this standard value can change with the different users, do input or revise through the operation-interface (not shown) of camera 10, and the general visitor who is stored in memory modules 150 puts the zone.
At a specific embodiment again, anti-shaking system 11 has more the shaking degree that a vibrations sensing element (not shown) is detected camera 10, the user can be under the setting pattern, hold the body of camera 10, and handle/control module 100 can be according to pulse value that is measured and body shaking degree, automatically derive one group of standard value and permissible range thereof, and the general visitor who is stored in memory modules 150 puts the zone, just shake distinguishing rule as hand backward with these data.
Subsidiary one carry be, this pulse value that is measured when taking can strengthen the control ability of vibration compensation module 130, the anti-hand shake of general optics can be according to user's hand shake degree, take compensation in various degree, so the body shaking degree is too severe or irregular sometimes, to cause the optics anti-shaking system to fall behind the actual camera vibrations changes and fails, if vibration compensation module 130 includes the array compensation mechanism, processing/control module 100 just can change according to pulse, setting up the array compensating parameter in advance is stored in the memory modules 150, so that export compensating parameter control compensation mechanism operation according to different situations, take best mode to compensate seismism, thus, just can strengthen the vibration compensation effect of vibration compensation module 130.
At a specific embodiment, when first section button taking button 110 accepted externally actuated generation trigger pip and is sent to processing/control module 100, processing/control module 100 is controlled the pulse detecting module 120 sensing pulses state of beating again, and pass the pulse value back, whether exceed the permissible range of standard value thereafter again through processing/control module 100 comparison pulse values.
In a preferred embodiment, described hand shake inhibition program is divided into two parts, when the pulse value that detects the user in processing/control module 100 exceeds the permissible range of standard value, just Real Time Drive alarm module 160 produces alarm signal, or drive display module 140 and show information warnings, with the prompting user instantly the pulse value exceed the permissible range of standard value, hand is a vibrating state, take button 110 pick-up images if press this moment, will cause image fog because of hand shakes phenomenon.At this moment, the user can change posture, takes another to grip camera 10 than stable manner, perhaps utilizes corner bracket to fix camera with auxiliary filmed image.
In order to prevent the user I am honoured by your visit the prompting of alarm signal, still insist on pressing shooting button 110 pick-up images, when the pulse value that detects the user in processing/control module 100 exceeds the permissible range of standard value, will be along the exposal model of band control vibration compensation module 130, output is stored in the compensating parameter of memory modules 150 corresponding hand shake exposal models in advance to focal length adjustment unit 132 and exposure adjustment unit 134, utilization takes to lock focal length adjustment unit 132, or modes such as control f-number, shutter speed and light sensitivity capture sharp image.Except the anti-hand shake means of the optics of Fig. 1, vibration compensation module 130 also can be taked other compensation way, for example: take burst mode, at several images of the many shootings of Same Scene, in the hope of capturing possible sharp image, perhaps signal of video signal is done the compensation calculation, to obtain image more clearly.
Described pulse value is not special finger user's an actual pulse frequency, but and can be the data information of processings/control module 100 identifications processing.
Then see also Fig. 2, Fig. 3, Fig. 4, this three figure is the schematic appearance of three specific embodiments of the camera of disclosed tool pulse detecting function, so as to further elaboration notion of the present invention.
In the camera 20 of Fig. 2, pulse transducer 222 is equipped with in body 25 outer surfaces, on the side of contiguous shooting button 210.When the user grips camera 20, to push when taking button 210, palm or finger partly will be closely against pulse transducer 222 simultaneously, and thus, camera 20 just can utilize pulse transducer 222 to sense user's beat pulse state, and then obtains the pulse value.
In the camera 30 of Fig. 3, pulse transducer 322 is equipped with on the surface of body 35 contiguous display modules 340.Among this embodiment, pulse transducer 322 is the kenel of optics pulse transducer.Utilize infrared ray to detect blood flow based on the optics pulse transducer, and then obtain the pulse value, so preferably be arranged at the position that finger can be conflicted.When Fig. 3 took button 310 for the expection user pushes, thumb will press on pulse transducer 322 simultaneously.
Fig. 2 and Fig. 3 are the enforcement example that is built in camera in the pulse sensing module, and the position of pulse transducer can change arbitrarily with practice.For example: in a specific embodiment again, pulse transducer can with take button and combine, be arranged at its upper surface.The pulse transducer enforcing location of Fig. 2, Fig. 3 only is two legends, and so it is not in order to limit the scope of the invention.
Among Fig. 4, pulse detecting module 420 is the outward element of camera 40.Among this embodiment, pulse detecting module 420 is arranged on the fixed band 428, connects body 45 with transmission signals by a transmission line 427.When the user takes photograph, fixed band 428 can be placed in positions such as wrist or finger, thus, pulse detecting module 420 just can sense the beat pulse state, obtain the pulse value, and the pulse value is sent to the control core of body 45 inside through transmission line 427.
The above-mentioned pulse detecting module acquisition human pulse state of beating, and conversion beat pulse state is that the sensing and the signal processing technology of pulse value is prior art, therefore just do not remake and gives unnecessary details.
Then, see also Fig. 5, this figure is the flow chart of steps of the anti-shake method of disclosed camera, and wherein Xiang Guan system architecture is please consulted Fig. 1 simultaneously.As shown in Figure 5, described anti-shake method includes the following step:
At first, pulse detecting module 120 sensing beat pulse states are step S500;
Secondly, pulse detecting module 120 conversion beat pulse states are the pulse value, and pass the pulse value back processing/control module 100, are step S502;
Thereafter, the size of processing/control module 100 comparison pulse values and standard value is step S504; And
At last, when processing/control module 100 exceeds the permissible range of standard value in the pulse value, start hand shake inhibition program, blur because of hand shake phenomenon, be step S506 so as to suppressing camera 10 captured images.
At a specific embodiment, hand shake inhibition program comprises that processing/control module 100 drives alarm module 160 and produces an alarm signal, and/or drives display module 140 demonstration information warnings, and the prompting user takes more stable photographic means.At another specific embodiment, hand shake inhibition program comprises that processing/control module 100 outputs one compensating parameter to vibration compensation module 130, adopts hand shake exposal model to cooperate the acquisition sharp image with control vibration compensation module 130.In a preferred embodiment, processing/control module 100 is controlled alarm module 160 simultaneously, display module 140 is carried out above-mentioned hand shake inhibition program with vibration compensation module 130.
Moreover, can be used as easy pulse measuring tool based on the camera of tool pulse detecting function of the present invention, so as to presenting the real-time beat pulse frequency values of user.Please consult Fig. 1 again, after pulse detecting module 120 exported the pulse value to processing/control module 100, processing/control module 100 can be done an aftertreatment to the pulse value.At a specific embodiment, the described processing/control module 100 that is treated to afterwards borrows the pulse value to obtain actual pulse jumping frequency rate value, and driving display module 140 presents real-time beat pulse frequency values; At a specific embodiment again, be treated to after described when processings/control module 100 and detect the pulse value when not meeting standard value, driving alarm module 160 generation alarm signals; At a specific embodiment again, be treated to processings/control module 100 after described and transmit the pulse values to memory modules 150 storages; At a specific embodiment again, be treated to processing/control module 100 after described user's beat pulse frequency values is write signal of video signal, make image present user's beat pulse frequency values at that time in the lump.
Describe in detail by above example, when the anti-shaking system that can know disclosed camera and method are to come sensing user's beat pulse state by the pulse detecting module, and then obtain the pulse value, so that the pulse value is when exceeding the permissible range of standard value, start hand shake inhibition program, produce alarm signal or information warning prompting user and take another more stable shooting style, and/or control vibration compensation module running cooperation image capture, smudgy to prevent filmed image because of hand shake phenomenon.Utilize sensing camera shock momentum to start hand shake compensation program compared to prior art, this case proposes a kind of brand-new hand shake detecting mechanism, makes the design concept horn of plenty more of camera.
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; protection scope of the present invention should be as the criterion with the scope of claim; any those skilled in the art in the field of the invention, can think easily and variation or modify all can be encompassed within the protection domain that this case defines.
Claims (22)
1, a kind of anti-shake method of camera is characterized in that, is applicable to that suppressing the captured image of a camera blurs because of hand shake phenomenon, and this anti-shake method comprises the following steps:
Sensing one beat pulse state;
Changing this beat pulse state is a pulse value;
The size of this a pulse value and a standard value relatively; And
When this pulse value exceeds a permissible range of this standard value, start and shake the inhibition program on the other hand.
2, anti-shake method as claimed in claim 1 is characterized in that, more comprises the following steps:
Provide this camera to have a pulse detecting module and a processing/control module, to utilize this this beat pulse state of pulse detecting module sensing, and change this beat pulse state and export this processing/control module to for this pulse value, relatively whether this pulse value exceeds this permissible range of this standard value.
3, anti-shake method as claimed in claim 2 is characterized in that, described processing/control module is in response to the input of a trigger pip, thereby controls this this beat pulse state of pulse detecting module sensing.
4, anti-shake method as claimed in claim 1 is characterized in that, described camera has a vibration compensation module, and this hand shake inhibition program comprises the following steps:
According to this pulse value, set a compensating parameter; And
Transmit this compensating parameter to this vibration compensation module, capture an image to cooperate an image capture signal.
5, anti-shake method as claimed in claim 1 is characterized in that, described camera has an alarm module, and this hand shake inhibition program comprises the following steps:
Drive this alarm module and produce an alarm signal.
6, anti-shake method as claimed in claim 1 is characterized in that, described camera has a display module, and this hand shake inhibition program comprises the following steps:
Drive this display module and produce an information warning.
7, a kind of anti-shaking system of camera is characterized in that, is arranged at a camera, and this anti-shaking system comprises:
One pulse detecting module, sensing one beat pulse state, and be pulse value output with this beat pulse state exchange; And
One processing/control module is coupled to this pulse detecting module receiving this pulse value, and this a pulse value and a standard value is made comparisons, and when this pulse value exceeds a permissible range of this standard value, starts and shakes the inhibition program on the other hand.
8, anti-shaking system as claimed in claim 7 is characterized in that, described camera includes a shooting button and is coupled to this processing/control module, and this shooting button is accepted externally actuated successively to produce a trigger pip and an image capture signal.
9, anti-shaking system as claimed in claim 8 is characterized in that, described processing/control module is in response to this trigger pip, thereby controls this this beat pulse state of pulse detecting module sensing.
10, anti-shaking system as claimed in claim 7, it is characterized in that, described camera includes a vibration compensation module and is coupled to this processing/control module, this hand shake inhibition program comprises that this processing/control module produces a compensating parameter and is sent to this vibration compensation module, cooperates this image capture signal to capture an image to control this vibration compensation module.
11, anti-shaking system as claimed in claim 10 is characterized in that, described vibration compensation module comprises that a focal length adjustment unit accepts the control running of this compensating parameter.
12, anti-shaking system as claimed in claim 10 is characterized in that, described vibration compensation module comprises that an exposure adjustment unit accepts the control running of this compensating parameter.
13, anti-shaking system as claimed in claim 12 is characterized in that, described exposure adjustment unit is accepted the control of this compensating parameter, adjusts aperture size and/or shutter speed.
14, anti-shaking system as claimed in claim 7 is characterized in that, comprises that more an alarm module is coupled to this processing/control module, and this hand shake inhibition program comprises that this processing/control module drives this alarm module and produces an alarm signal.
15, anti-shaking system as claimed in claim 14 is characterized in that, described alarm module includes a light-emitting component, and it is luminous that this processing/control module system drives this light-emitting component.
16, anti-shaking system as claimed in claim 14 is characterized in that, described alarm module includes a hummer, and this processing/control module activates this hummer and sends caution sound.
17, anti-shaking system as claimed in claim 7 is characterized in that, described camera has a display module and is coupled to this processing/control module, and this hand shake inhibition program comprises that this processing/control module drives this display module and shows an information warning.
18, anti-shaking system as claimed in claim 7 is characterized in that, described pulse detecting module comprises:
One pulse transducer, this beat pulse state of sensing is a beat pulse signal;
One signal processing unit is coupled to this pulse transducer, and this beat pulse signal is done to amplify and Filtering Processing; And
One analog/digital conversion unit is coupled to this signal processing unit, is digitized pulse value output with this beat pulse conversion of signals.
19, anti-shaking system as claimed in claim 18 is characterized in that, described pulse transducer is to be selected from a group arbitrary sensor wherein of being made up of a resistance pulse transducer, a capacitance voltage sensor and an optics pulse transducer.
20, anti-shaking system as claimed in claim 18 is characterized in that, described camera has a body, and this pulse detecting module is the built-in module of this camera, and this pulse detector is arranged at the outer surface of this body.
21, anti-shaking system as claimed in claim 18 is characterized in that, described camera has one and takes button, and this pulse detecting module is arranged at this shooting button.
22, anti-shaking system as claimed in claim 7, it is characterized in that, described camera has a body, this pulse detecting module is the external connection module of this camera, be arranged at this engine body exterior, this pulse detecting module is coupled to this body with a transmission line, so that this pulse value is sent to this processing/control module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101652483A CN101424857A (en) | 2007-10-31 | 2007-10-31 | Camera anti-shaking system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101652483A CN101424857A (en) | 2007-10-31 | 2007-10-31 | Camera anti-shaking system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198631A (en) * | 2012-01-09 | 2013-07-10 | 凌强 | System and method for real-time recording |
| CN105611178A (en) * | 2016-03-28 | 2016-05-25 | 广东欧珀移动通信有限公司 | Method, mobile terminal and system for preventing photographic shake by detecting pulse with wearable equipment |
| CN107049280A (en) * | 2017-05-23 | 2017-08-18 | 宁波大学 | A kind of intelligent wearable device of mobile Internet |
| CN110062156A (en) * | 2019-03-28 | 2019-07-26 | 努比亚技术有限公司 | A kind of photographic method, wearable device and storage medium |
-
2007
- 2007-10-31 CN CNA2007101652483A patent/CN101424857A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198631A (en) * | 2012-01-09 | 2013-07-10 | 凌强 | System and method for real-time recording |
| CN105611178A (en) * | 2016-03-28 | 2016-05-25 | 广东欧珀移动通信有限公司 | Method, mobile terminal and system for preventing photographic shake by detecting pulse with wearable equipment |
| CN105611178B (en) * | 2016-03-28 | 2018-12-11 | 广东欧珀移动通信有限公司 | Take pictures method, mobile terminal and the system of stabilization using wearable device detection pulse |
| CN107049280A (en) * | 2017-05-23 | 2017-08-18 | 宁波大学 | A kind of intelligent wearable device of mobile Internet |
| CN110062156A (en) * | 2019-03-28 | 2019-07-26 | 努比亚技术有限公司 | A kind of photographic method, wearable device and storage medium |
| CN110062156B (en) * | 2019-03-28 | 2020-08-28 | 努比亚技术有限公司 | Photographing method, wearable device and storage medium |
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Open date: 20090506 |