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WO2013167037A2 - Procédé et dispositif de prise de vues anti-gigue pour terminal mobile - Google Patents

Procédé et dispositif de prise de vues anti-gigue pour terminal mobile Download PDF

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Publication number
WO2013167037A2
WO2013167037A2 PCT/CN2013/079331 CN2013079331W WO2013167037A2 WO 2013167037 A2 WO2013167037 A2 WO 2013167037A2 CN 2013079331 W CN2013079331 W CN 2013079331W WO 2013167037 A2 WO2013167037 A2 WO 2013167037A2
Authority
WO
WIPO (PCT)
Prior art keywords
mobile terminal
jitter
sensor
shake
threshold
Prior art date
Application number
PCT/CN2013/079331
Other languages
English (en)
Chinese (zh)
Other versions
WO2013167037A3 (fr
Inventor
付秀云
蔡德尊
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2013167037A2 publication Critical patent/WO2013167037A2/fr
Publication of WO2013167037A3 publication Critical patent/WO2013167037A3/fr

Links

Classifications

    • 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
    • H04N23/681—Motion detection
    • H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects

Definitions

  • the method before the acquiring the jitter information of the mobile terminal detected by the sensor, the method further includes:
  • the start gyro sensor detects the rotational angular velocity of the mobile terminal.
  • a comparison module configured to determine whether the jitter information of the mobile terminal is less than a preset jitter threshold
  • the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal, and when the controller determines that the jitter information is smaller than a preset jitter threshold, the controller controls the camera to take a photo, in the mobile terminal. Only a small number of sensors are added to the hardware, and only the module for comparing the jitter threshold is added in the software part, which is simple and easy to implement in the hardware structure and the step flow, and effectively improves the clarity of the photos taken by the mobile terminal.
  • Step S202 when the anti-shake function start command is an anti-shake function start command in the walking state, the start gyro sensor detects the rotational angular velocity of the mobile terminal;
  • FIG. 3 is a flowchart of a third embodiment of a method for preventing an anti-shake of a mobile terminal according to an embodiment of the present invention.
  • the embodiment of the present invention is based on the embodiment shown in FIG. 1, and the process of taking a photo when standing is described in detail.
  • Step S305 Acquire an image captured by the camera when it is determined that the rotational angular velocity of the mobile terminal is less than a preset rotational angular velocity, and/or the acceleration of the mobile terminal is less than a preset acceleration threshold.
  • the present embodiment is directed to the case of taking a photo while standing, using the rotational angular velocity and/or acceleration of the mobile terminal as the jitter information, further improving the sharpness of the photograph taken by the mobile terminal, and adding only the gyro sensor and/or the mobile terminal hardware. Acceleration sensor, simple and easy hardware structure Now.
  • FIG. 4 is a schematic structural diagram of a first embodiment of a mobile terminal anti-shake photographing apparatus according to an embodiment of the present invention.
  • the anti-shake camera device of the mobile terminal of the embodiment includes:
  • the instruction acquisition module 10 is configured to acquire an anti-shake function startup instruction
  • the shooting module 40 is configured to obtain an image captured by the camera when it is determined that the jitter information of the mobile terminal is less than a preset jitter threshold.
  • the anti-shake function can be automatically started, or the user can manually turn on the anti-shake function.
  • the acceleration sensor may be used to obtain information about the acceleration, and the jitter of the mobile terminal may also include the motion of the rotation, and the gyro sensor may be used, such as: an angular velocity sensor. Information about the angular velocity of rotation.
  • the sensor can be a gyro sensor, i.e., one of an angular velocity sensor, an acceleration sensor, or a combination of both.
  • the jitter information of the mobile terminal is the rotational angular velocity of the mobile terminal; when the sensor is the acceleration sensor, the jitter information of the mobile terminal is the acceleration of the mobile terminal.
  • the jitter threshold is preset in the memory of the mobile terminal.
  • the jitter information of the current mobile terminal is less than the preset jitter threshold, the current mobile terminal has a small jitter frequency, and the photo obtained by taking the photo at this time is taken.
  • the sensor is a gyro sensor
  • the jitter threshold is a rotation angular velocity threshold
  • the jitter threshold is an acceleration threshold.
  • the jitter threshold of multiple grades may be preset in the memory, and when the user performs the anti-shake function setting, the grade of the jitter threshold may be selected to achieve the requirement of the anti-jitter degree of different conditions.
  • the anti-shake function can be applied to the case where the user manually takes a photo.
  • the camera does not take the photo immediately, but the controller of the mobile terminal judges When the jitter information of the current mobile terminal is less than the preset jitter threshold, the shooting instruction is sent to the camera to control the camera to take a picture.
  • the anti-shake function can also be applied to the case where the mobile terminal is set to automatically take a photo. The user does not need to press the shooting button, and when the mobile terminal determines that the jitter information of the current mobile terminal is less than the preset jitter threshold, the camera automatically sends a shooting instruction to the camera. , control the camera to take pictures.
  • the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal, and when the controller determines that the jitter information is smaller than a preset jitter threshold, the controller controls the camera to take a photo, in the mobile terminal. Only a small number of sensors are added to the hardware, and only the module for comparing the jitter threshold is added in the software part, which is simple and easy to implement in the hardware structure and the step flow, and effectively improves the clarity of the photos taken by the mobile terminal.
  • FIG. 5 is a schematic structural diagram of a second embodiment of a mobile terminal anti-shake photographing apparatus according to an embodiment of the present invention.
  • the sensor startup module 50 is added, which specifically includes the following situations:
  • the anti-shake function start command acquired by the command acquisition module 10 is an anti-shake function start command in the walking state
  • the sensor start module 50 is configured to activate the gyro sensor to detect the rotational angular velocity of the mobile terminal.
  • the jitter of the mobile terminal necessarily includes the acceleration of the mobile terminal in the forward direction of the mobile terminal. At this time, it is not necessary to use the acceleration of the mobile terminal as the jitter information, and only the rotational angular velocity of the mobile terminal is considered.
  • the acceleration in the user's forward direction is excluded from the jitter information, and only the rotational angular velocity of the mobile terminal is used as the jitter information, thereby effectively improving the sharpness of the photograph taken by the mobile terminal, and moving.
  • Only one gyro sensor is added to the terminal hardware, and the hardware structure is simple and easy to implement.
  • the present embodiment is directed to the case of taking a photo while standing, using the rotational angular velocity and/or acceleration of the mobile terminal as the jitter information, further improving the sharpness of the photograph taken by the mobile terminal, and adding only the gyro sensor and/or the mobile terminal hardware.
  • Acceleration sensor, hardware structure is simple and easy to implement.
  • the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal.
  • the controller determines that the jitter information is less than the preset jitter threshold, the controller controls the camera to take a photo.
  • only one sensor and one module for comparing the jitter threshold are added to the mobile terminal, which is simple to implement and effectively improves the clarity of the photograph taken by the mobile terminal.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Studio Devices (AREA)

Abstract

La présente invention se rapporte à un procédé de prise de vues anti-gigue pour un terminal mobile. Le procédé comprend les étapes consistant à : obtenir une instruction activée par une fonction anti-gigue ; obtenir des informations de gigue sur un terminal mobile, qui sont détectées par un capteur ; juger si les informations de gigue sur le terminal mobile sont inférieures à un seuil de gigue prédéfini ; et lorsqu'il est déterminé que les informations de gigue concernant le terminal mobile sont inférieures au seuil de gigue prédéfini, obtenir une image qui est prise par un appareil photographique. Un dispositif de prise de vues anti-gigue pour un terminal mobile est également divulgué. Le procédé et le dispositif de l'invention peuvent être utilisés pour supprimer efficacement le problème de la photo floue résultant de la gigue d'un terminal mobile.
PCT/CN2013/079331 2012-12-14 2013-07-12 Procédé et dispositif de prise de vues anti-gigue pour terminal mobile WO2013167037A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210544233.9 2012-12-14
CN201210544233.9A CN103051836B (zh) 2012-12-14 2012-12-14 移动终端防抖动拍照方法和装置

Publications (2)

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WO2013167037A2 true WO2013167037A2 (fr) 2013-11-14
WO2013167037A3 WO2013167037A3 (fr) 2014-01-09

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PCT/CN2013/079331 WO2013167037A2 (fr) 2012-12-14 2013-07-12 Procédé et dispositif de prise de vues anti-gigue pour terminal mobile

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CN (1) CN103051836B (fr)
WO (1) WO2013167037A2 (fr)

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Publication number Publication date
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WO2013167037A3 (fr) 2014-01-09
CN103051836B (zh) 2016-03-30

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