CN103885593A - Handheld terminal and screen anti-shake method and device of handheld terminal - Google Patents
Handheld terminal and screen anti-shake method and device of handheld terminal Download PDFInfo
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- CN103885593A CN103885593A CN201410095914.0A CN201410095914A CN103885593A CN 103885593 A CN103885593 A CN 103885593A CN 201410095914 A CN201410095914 A CN 201410095914A CN 103885593 A CN103885593 A CN 103885593A
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- handheld terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/683—Vibration or motion blur correction performed by a processor, e.g. controlling the readout of an image memory
Abstract
The invention discloses a handheld terminal and a screen anti-shake method and device of the handheld terminal and belongs to the technical field of terminals. The method comprises the steps that when a screen is lighted, the moving state of the handheld terminal is monitored by starting a moving sensor; if shaking of the handheld terminal is detected, a camera is started for shooting and carrying out face recognition, and the displacement parameter of a face relative to the screen is computed; and according to the displacement parameter, a man-machine interface displayed on the screen is compensated. By introducing the face recognition technology, the real relative displacement between the face and the screen is considered in screen compensation, so that synchronous movement displacement compensation is carried out on the man-machine interface displayed on the screen according to the displacement parameter in a certain displacement range, the man-machine interface is kept static relative to the face as long as possible, and the stability of screen watching is improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of handheld terminal and screen anti-fluttering method and device.
Background technology
At present, the screen anti-fluttering method of handheld terminal is: by the motion of the built-in motion sensor monitoring handheld terminal of handheld terminal, according to the jitter parameter of mobile phone terminal, screen display is carried out to bit shift compensation.This screen bit shift compensation is only the compensation to handheld terminal shake itself, the not shake of the relative face of considering screen (human eye), and in fact, face (human eye) is often also rocking, therefore the stabilizing effect while watching screen is not good.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of handheld terminal and screen anti-fluttering method and device, rocks to solve face the screen shake causing, further improves stability while watching screen.
It is as follows that the present invention solves the problems of the technologies described above adopted technical scheme:
The screen anti-fluttering method of a kind of handheld terminal providing according to an aspect of the present invention, comprises:
In the time that screen is lighted, the motion state of opening movement Sensor monitoring handheld terminal;
If handheld terminal shake detected, start that camera make a video recording and carry out recognition of face, calculating face is with respect to the displacement parameter of screen; According to shake displacement parameter, the man-machine interface showing on screen is compensated.
Preferably, Jitter Calculation face further comprises with respect to the displacement parameter of screen: calculate face with respect to the transversal displacement of display screen and distance and the displacement acceleration of length travel and face and screen.
Preferably, according to shake displacement parameter, the man-machine interface showing on screen is compensated further and is comprised:
According to shake transversal displacement and length travel, the man-machine interface showing on screen is carried out to Contrary compensation with respect to the direction of terminal displacement;
Zoom in or out shake man-machine interface according to distance and the displacement acceleration of shake face and screen.
Preferably, the shooting of shake startup camera is carried out also comprising before recognition of face: according to the jitter parameter of motion sensor, screen display location is carried out to phase counterbonification with respect to handheld terminal direction of motion.
Preferably, according to the jitter parameter of motion sensor, screen display location being carried out to phase counterbonification with respect to handheld terminal direction of motion further comprises: determine jitter direction and the amplitude in three dimensions of described screen coordinate system according to the acceleration in three of screen coordinate system dimensions; According to described jitter direction and amplitude in three dimensions of screen coordinate system, screen display location is carried out to translation or convergent-divergent.
The screen anti-shake apparatus of a kind of handheld terminal providing according to another aspect of the present invention, comprises with lower module:
Motion monitoring module, in the time that screen is lighted, the motion state of opening movement Sensor monitoring handheld terminal;
Face recognition module, in the time handheld terminal shake being detected, starts camera and makes a video recording and carry out recognition of face, calculates the displacement parameter of face with respect to screen;
Graphics Processing module, for compensating the man-machine interface showing on screen according to shake displacement parameter.
Preferably, face recognition module specifically for: start camera and make a video recording and carry out recognition of face, calculating face is with respect to the transversal displacement of display screen and distance and the displacement acceleration of length travel and face and screen.
Preferably, Graphics Processing module specifically for: according to transversal displacement and length travel, the man-machine interface showing on screen is carried out to Contrary compensation with respect to the direction of terminal displacement; Zoom in or out shake man-machine interface according to distance and the displacement acceleration of shake face and screen.
Preferably, Graphics Processing module also for: according to the jitter parameter of motion sensor, screen display location is carried out to phase counterbonification for handheld terminal direction of motion.
According to a further aspect of the invention, also provide a kind of handheld terminal, this handheld terminal comprises above-mentioned screen anti-shake apparatus.
The handheld terminal of the embodiment of the present invention and screen anti-fluttering method and device, by introducing face recognition technology, calculate the true relative displacement between face (human eye) and screen, and the true relative displacement between face and screen is considered in screen compensation, so that terminal is in certain displacement range, according to displacement parameter to the man-machine interface showing on the screen bit shift compensation that is synchronized with the movement, make as far as possible man-machine interface keep static with respect to face, improve the stability that user watches screen, thereby improve user's reading experience.
Accompanying drawing explanation
The process flow diagram of a kind of screen anti-fluttering method that Fig. 1 provides for the embodiment of the present invention;
The process flow diagram of the another kind of screen anti-fluttering method that Fig. 2 provides for the preferred embodiment of the present invention;
The modular structure schematic diagram of a kind of screen anti-shake apparatus that Fig. 3 provides for the embodiment of the present invention.
Embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment mono-
The screen anti-fluttering method that is illustrated in figure 1 a kind of handheld terminal that the embodiment of the present invention provides, the method comprises:
S101, in the time that screen is lighted, the motion state of opening movement Sensor monitoring handheld terminal.
Wherein, motion sensor can be acceleration transducer or gyroscope.
S102, judge whether to detect and handheld terminal shake if so, perform step S103, otherwise continue monitoring.
Specifically, shake refers to that the central point of screen is greater than 1 millimeter with respect to the central point of man-machine interface in horizontal or longitudinal displacement and is less than 50% of the wide of screen size or length, that is to say, compensate for displacement of the present invention carries out within the scope of certain displacement, screen size (as mobile phone and flat screens vary in size) is depended in maximum displacement, be preferable over the half that can see man-machine interface, otherwise displacement too major synchronization point exceed screen scope and also have little significance.
S103, startup camera are made a video recording and are carried out recognition of face, calculate the displacement parameter of face with respect to screen.
Preferably, calculating face comprises with respect to the displacement parameter of screen: calculate face with respect to the transversal displacement of display screen and distance and the displacement acceleration of length travel and face and screen.
Concrete, take foreground image by camera, when bright and clear, use camera to take, in the time that light is darker, use infrared lamp light to coordinate shooting with infrared camera, the image of taking is carried out to recognition of face (face recognition technology can adopt existing technology, is not described in detail) here.But not simple to judge displacement by image recognition technology, but take motion sensor data as basic data, further combined with image recognition technology, can allow like this displacement judgement more accurate sooner.For instance, first obtain preliminary exercise data according to displacement transducer, then the contrast by image content is (such as being upwards by the change in location of face in image before and after motion, downwards or the change in location of which direction), take motion sensor data as basis, further revise by image recognition displacement and regulate, calculate transversal displacement and the length travel (being offset data amount) of the final man-machine interface of output by the combination of two data, so that follow-up in the time that shift length is in default scope, man-machine interface is carried out to reverse bit shift compensation with respect to the direction of terminal displacement.Can also calculate distance and the displacement acceleration of face and screen the man-machine interface that zooms in or out so that follow-up, make as far as possible image show relative face with human eye in relative static.
S104, according to displacement parameter, the man-machine interface showing on screen is compensated.
Preferably, this step S104 further comprises: according to transversal displacement and length travel, the man-machine interface showing on screen is carried out to Contrary compensation with respect to the moving direction of terminal; Zoom in or out man-machine interface according to the distance of face and screen and acceleration.Particularly, in the situation that handheld terminal is not shaken, man-machine interface is positioned at the central authorities of display screen.
When handheld terminal is parallel to face shake to the right, and while producing displacement, man-machine interface moves to the left side of display screen, and concrete mobile range is determined according to the displacement of handheld terminal.
When handheld terminal is parallel to face shake left, man-machine interface moves to the right side of display screen, and concrete mobile range is determined according to the displacement of handheld terminal.
When handheld terminal parallel and face shake downwards, and while producing displacement, man-machine interface is to the upper side shifting of display screen, and concrete mobile range is determined according to the displacement of handheld terminal.
When handheld terminal is parallel to face shake to upper left, and while producing displacement, man-machine interface is to the lower-left side shifting of display screen, and concrete mobile range is determined according to the displacement of handheld terminal.
When handheld terminal away from or approach face, man-machine interface will present the state of zooming in or out, and specifically zoom in or out ratio and acceleration is directly proportional.Specifically, calculate according to change of distance value and displacement acceleration changing value the variation factor that output is dwindled or amplified, concrete dwindle or amplification coefficient (as 10%, 15% or 20%) can provide by experiment, make after convergent-divergent man-machine interface size as far as possible identical all the time with original original state man-machine interface size.Such as, retreat 1cm, far interface and font are diminished from visual angle because distance becomes, provide an amplification coefficient (such as interface amplifies 10%) according to the variable quantity that retreats 1cm, thereby make to step back before and after 1cm displacement, human eye man-machine interface is as not changing with static relatively.
Screen anti-fluttering method and the device of the handheld terminal of the embodiment of the present invention, by introducing face recognition technology, calculate the true relative displacement between face (human eye) and screen, and the true relative displacement between face and screen is considered in screen compensation, so that terminal is in certain displacement range, according to displacement parameter, the man-machine interface showing on screen is carried out to synchronous shift compensation, make as far as possible man-machine interface keep static with respect to face, improve the stability of watching screen, thereby improve user's reading experience.
Embodiment bis-
The screen anti-fluttering method that is illustrated in figure 2 a kind of handheld terminal that the preferred embodiment of the present invention provides, the method comprises:
S201, in the time that screen of handheld terminal is lighted, the motion state of opening movement Sensor monitoring handheld terminal.
Wherein, motion sensor can be acceleration transducer or gyroscope, the jitter parameter of motion sensor senses handheld terminal, and jitter parameter comprises jitter direction, shake acceleration, shake displacement.Jitter direction can be included in three dimensions of screen of handheld terminal coordinate system, and shake displacement and shake acceleration be corresponding displacement amplitude and the shake acceleration being included in these three dimension directions also.S202, judge whether to detect and handheld terminal shake if so, perform step S203, otherwise continue monitoring.
Particularly, in the time shake being detected, jitter parameter is sent to video-stream processor, in the time shake being detected, carry out and show by normal mode, continue monitoring simultaneously and whether shake.
S203, according to the jitter parameter of motion sensor, screen display location is carried out to phase counterbonification with respect to handheld terminal direction of motion.
Preferably, determine jitter direction and the amplitude in three dimensions of described screen coordinate system according to the acceleration in three of screen coordinate system dimensions; According to described jitter direction and amplitude in three dimensions of screen coordinate system, screen display location is carried out to translation or convergent-divergent.
Particularly, screen display location is for mobile phone display screen (being the physical piece between mobile phone frame), generally gives tacit consent to full screen display, and man-machine interface be the picture that shows for screen, be generally also defaulted as picture and be full of screen.If when handheld terminal shake, first according to the jitter parameter of motion sensor, screen display location is carried out to bit shift compensation with respect to handheld terminal reverse motions direction, thereby the shake of compensation handheld terminal itself, make screen keep relatively static as far as possible as far as possible, then further in screen, compensate man-machine interface.
S204, startup camera are made a video recording and are carried out recognition of face, calculate the displacement parameter of face with respect to screen.
This step S204, with the step S103 of above-described embodiment one, no longer repeats here.
S205, according to displacement parameter, the man-machine interface showing on screen is compensated.
This step S205, with the step S104 of above-described embodiment one, no longer repeats here.
The screen anti-fluttering method of the handheld terminal of the embodiment of the present invention, utilizing handheld terminal inner sensor display screen to be carried out on the basis of bit shift compensation for the shake of handheld terminal, introduce the displacement of rocking that face recognition technology calculates the relative screen of face, and to the further compensate for displacement of man-machine interface, better by the stabilizing effect of dual compensation.
Embodiment tri-
The screen anti-shake apparatus that is illustrated in figure 3 a kind of handheld terminal that the embodiment of the present invention provides, this device comprises:
Face recognition module 20, in the time handheld terminal shake being detected, starts camera and makes a video recording and carry out recognition of face, calculates the displacement parameter of face with respect to screen;
Preferably, face recognition module 20 specifically for: start camera and make a video recording and carry out recognition of face, calculating face is with respect to the transversal displacement of display screen and distance and the displacement acceleration of length travel and face and screen.
Preferably, according to Graphics Processing module 30 specifically for: according to transversal displacement and length travel, the man-machine interface showing on screen is carried out to Contrary compensation; Zoom in or out man-machine interface according to the distance of face and screen and displacement acceleration.
As the another kind of preferred version of the present embodiment, Graphics Processing module 30 also for: according to the jitter parameter of motion sensor, screen display location is carried out to phase counterbonification so that display screen is relatively static with respect to handheld terminal direction of motion.Specifically, can determine jitter direction and the amplitude in three dimensions of described screen coordinate system according to the acceleration in three of a screen coordinate system dimension; According to described jitter direction and amplitude in three dimensions of screen coordinate system, screen display location is carried out to translation or convergent-divergent.
It should be noted that, the technical characterictic in said method embodiment mono-and embodiment bis-all can correspondingly be suitable at this device, no longer repeats here.
Correspondingly, the embodiment of the present invention also provides a kind of handheld terminal, and this handheld terminal comprises above-mentioned screen anti-shake apparatus.Handheld terminal includes but not limited to mobile phone, IPAD, panel computer.
The handheld terminal of the embodiment of the present invention and screen anti-shake apparatus thereof, by introducing face recognition technology, face is considered in screen compensation with respect to the real displacement of screen, so that terminal is in certain displacement range, according to displacement parameter, the man-machine interface showing on screen is carried out to synchronous shift compensation, make as far as possible man-machine interface keep static with respect to face, improve the stability of watching screen, experience thereby improve user.
With reference to the accompanying drawings of the preferred embodiments of the present invention, not thereby limit to interest field of the present invention above.Those skilled in the art do not depart from the scope and spirit of the present invention interior done any modification, are equal to and replace and improve, all should be within interest field of the present invention.
Claims (10)
1. a screen anti-fluttering method for handheld terminal, is characterized in that, the method comprises:
In the time that the screen of handheld terminal is lighted, the motion state of opening movement Sensor monitoring handheld terminal;
If handheld terminal shake detected, start that camera make a video recording and carry out recognition of face, calculating face is with respect to the displacement parameter of screen;
According to described displacement parameter, the man-machine interface showing on screen is compensated.
2. screen anti-fluttering method according to claim 1, it is characterized in that, described calculating face further comprises with respect to the displacement parameter of screen: calculate face with respect to the transversal displacement of display screen and distance and the displacement acceleration of length travel and face and screen.
3. screen anti-fluttering method according to claim 2, is characterized in that, according to described displacement parameter, the man-machine interface showing on screen is compensated further and is comprised:
According to described transversal displacement and length travel, the man-machine interface showing on screen is carried out to Contrary compensation with respect to the direction of terminal displacement;
Zoom in or out described man-machine interface according to the distance of described face and screen and displacement acceleration.
4. according to the screen anti-fluttering method described in claim 1-3 any one claim, it is characterized in that, described startup camera shooting is carried out also comprising before recognition of face:
According to the jitter parameter of motion sensor, screen display location is carried out to phase counterbonification with respect to handheld terminal direction of motion.
5. screen anti-fluttering method according to claim 4, is characterized in that, describedly according to the jitter parameter of motion sensor, screen display location is carried out to phase counterbonification with respect to handheld terminal direction of motion and further comprises:
Determine jitter direction and the amplitude in three dimensions of described screen coordinate system according to the acceleration in three of screen coordinate system dimensions; According to described jitter direction and amplitude in three dimensions of screen coordinate system, screen display location is carried out to translation or convergent-divergent.
6. a screen anti-shake apparatus for handheld terminal, is characterized in that, described screen anti-shake apparatus comprises:
Motion monitoring module, in the time that the screen of handheld terminal is lighted, the motion state of opening movement Sensor monitoring handheld terminal;
Face recognition module, in the time handheld terminal shake being detected, starts camera and makes a video recording and carry out recognition of face, calculates the displacement parameter of face with respect to screen;
Graphics Processing module, for compensating the man-machine interface showing on screen according to described displacement parameter.
7. screen anti-shake apparatus according to claim 6, it is characterized in that, described face recognition module specifically for: start camera and make a video recording and carry out recognition of face, calculating face is with respect to the transversal displacement of display screen and distance and the displacement acceleration of length travel and face and screen.
8. screen anti-shake apparatus according to claim 7, is characterized in that, described Graphics Processing module specifically for: according to transversal displacement and length travel, the man-machine interface showing on screen is carried out to Contrary compensation with respect to the direction of terminal displacement; Zoom in or out described man-machine interface according to the distance of described face and screen and displacement acceleration.
9. screen anti-shake apparatus according to claim 6, described Graphics Processing module also for: according to the jitter parameter of motion sensor, screen display location is carried out to phase counterbonification with respect to handheld terminal direction of motion.
10. a handheld terminal, is characterized in that, this handheld terminal comprises the screen anti-shake apparatus described in claim 6-9 any one claim.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410095914.0A CN103885593B (en) | 2014-03-14 | 2014-03-14 | A kind of handheld terminal and screen anti-fluttering method thereof and device |
| PCT/CN2015/074008 WO2015135477A1 (en) | 2014-03-14 | 2015-03-11 | Handheld terminal and screen anti-shake method and device for handheld terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410095914.0A CN103885593B (en) | 2014-03-14 | 2014-03-14 | A kind of handheld terminal and screen anti-fluttering method thereof and device |
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| CN103885593A true CN103885593A (en) | 2014-06-25 |
| CN103885593B CN103885593B (en) | 2016-04-06 |
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| WO (1) | WO2015135477A1 (en) |
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| CN104320545A (en) * | 2014-11-14 | 2015-01-28 | 陕西亚成微电子股份有限公司 | Anti-shake method for mobile phone screen |
| CN104333665A (en) * | 2014-12-02 | 2015-02-04 | 上海斐讯数据通信技术有限公司 | Mobile terminal and display adjustment method thereof |
| CN104461289A (en) * | 2014-11-28 | 2015-03-25 | 广东欧珀移动通信有限公司 | Terminal and screen display method and device for terminal |
| WO2015135477A1 (en) * | 2014-03-14 | 2015-09-17 | 努比亚技术有限公司 | Handheld terminal and screen anti-shake method and device for handheld terminal |
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| CN113645502A (en) * | 2020-04-27 | 2021-11-12 | 海信视像科技股份有限公司 | Method for dynamically adjusting control and display device |
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| CN117524073A (en) * | 2024-01-08 | 2024-02-06 | 深圳蓝普视讯科技有限公司 | Super high definition image display jitter compensation method, system and storage medium |
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| Publication number | Publication date |
|---|---|
| CN103885593B (en) | 2016-04-06 |
| WO2015135477A1 (en) | 2015-09-17 |
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