WO2019127198A1 - Procédé de capture d'écran et dispositif de capture d'écran pour terminal intelligent - Google Patents

Procédé de capture d'écran et dispositif de capture d'écran pour terminal intelligent Download PDF

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Publication number
WO2019127198A1
WO2019127198A1 PCT/CN2017/119320 CN2017119320W WO2019127198A1 WO 2019127198 A1 WO2019127198 A1 WO 2019127198A1 CN 2017119320 W CN2017119320 W CN 2017119320W WO 2019127198 A1 WO2019127198 A1 WO 2019127198A1
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WO
WIPO (PCT)
Prior art keywords
fingerprint
smart terminal
button
external
screen capture
Prior art date
Application number
PCT/CN2017/119320
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English (en)
Chinese (zh)
Inventor
梁少勃
Original Assignee
深圳传音通讯有限公司
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 深圳传音通讯有限公司 filed Critical 深圳传音通讯有限公司
Priority to PCT/CN2017/119320 priority Critical patent/WO2019127198A1/fr
Priority to CN201780097107.4A priority patent/CN111417923A/zh
Publication of WO2019127198A1 publication Critical patent/WO2019127198A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0489—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using dedicated keyboard keys or combinations thereof

Definitions

  • the present invention relates to the field of intelligent terminals, and in particular, to a screen capture method and a screen capture device for an intelligent terminal.
  • the intelligent terminal is involved in a wide range, and may be a smart phone, a tablet computer, a multimedia player, or the like.
  • the existing smart terminal will have a screen capture function, which saves the content displayed on the current screen and saves it as a picture.
  • the screen capture function is generally triggered by a combination of keys, such as a combination of a power button and a volume control button, and the volume control button may be a volume up button or a volume down button; the button combination may also be a home button button ( That is, the combination of the HOME button and the power button can trigger the screen capture function only when all the buttons in the button combination are pressed at the same time.
  • the key combination if the combination of the main interface key and the power key, requires two hands to operate, the operation is troublesome and inconvenient; if the combination of the power key and the volume control key, the mainstream intelligent terminal will Set the power button and volume control button on the same side. Although the two buttons are close to each other, you can use the same hand's thumb to press simultaneously, but sometimes it is difficult to ensure that the power button and volume control button are pressed simultaneously. If the screen capture function is not implemented, the lock screen or the volume reduction function may occur, which may cause misoperation.
  • more and more intelligent terminal devices are equipped with a fingerprint recognition function, and the user can realize identity verification through fingerprint recognition, and open the operation authority of the intelligent terminal for subsequent operations.
  • many manufacturers' intelligent terminals are designed to have a fingerprint sensor on the front of the smart terminal, especially the main interface key.
  • the smart terminal performs fingerprint recognition, and matches the fingerprint collected by the fingerprint sensor with a preset reference fingerprint, thereby determining the authority of the user.
  • the object of the present invention is to provide a screen capture method and a screen capture device which are convenient for the user to operate and can effectively distinguish the function of the button.
  • a first aspect of the present invention discloses a screen capture method for a smart terminal, comprising the following steps:
  • the fingerprint sensor detects an external fingerprint, determining whether at least one button disposed on a side of the smart terminal receives a pressing operation;
  • the display interface that saves the screen of the smart terminal is a picture.
  • the screen capture method further includes the following steps:
  • At least one reference fingerprint is preset in the smart terminal.
  • the step of determining whether the fingerprint sensor disposed on the back of the smart terminal detects an external fingerprint comprises:
  • the fingerprint sensor collects the external fingerprint according to a preset frequency
  • Whether the external fingerprint matches the reference fingerprint is determined by a fingerprint matching algorithm.
  • the preset frequency is at least 5 times per second.
  • the button is a power button.
  • a second aspect of the present invention also discloses a screen capture device for a smart terminal, the screen capture device comprising:
  • the fingerprint detecting module determines whether an external fingerprint is detected by using a fingerprint sensor disposed on the back of the smart terminal;
  • the operation determining module is connected to the fingerprint detecting module, and when the fingerprint detecting module detects an external fingerprint, determining whether at least one button disposed on a side of the smart terminal receives a pressing operation;
  • the saving module is connected to the operation determining module.
  • the operation determining module determines that at least one button disposed on a side of the smart terminal receives a pressing operation
  • the display interface of the smart terminal screen is saved as a picture.
  • the screen capture device further comprises:
  • the preset module presets at least one reference fingerprint in the smart terminal.
  • the fingerprint detection module comprises:
  • the collecting unit collects the external fingerprint according to a preset frequency
  • the matching unit is connected to the collecting unit, and determines whether the external fingerprint matches the reference fingerprint by using a fingerprint matching algorithm.
  • the preset frequency is at least 5 times per second.
  • the operation determining module determines whether at least one button disposed on a side of the smart terminal receives a pressing operation, and the button is a power button.
  • FIG. 1 is a schematic flow chart of a screen capture method for a smart terminal according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a screen capture method for a smart terminal according to another preferred embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a specific process of step S101' in FIG. 2;
  • FIG. 4 is a structural block diagram of a screen capture apparatus for a smart terminal in accordance with a preferred embodiment of the present invention
  • FIG. 5 is a structural block diagram of a screen capture apparatus for a smart terminal according to another preferred embodiment of the present invention.
  • FIG. 6 is a structural block diagram of the fingerprint detecting module of FIG. 5;
  • FIG. 7 is a schematic diagram showing the front structure of a smart terminal in accordance with a preferred embodiment of the present invention.
  • FIG. 8 is a schematic diagram showing the structure of the back side of the smart terminal in accordance with a preferred embodiment of the present invention.
  • 10-Screen capture device for intelligent terminal 11-fingerprint detection module, 111-collection unit, 112-matching unit, 12-operation judgment module, 13-save module, 14-preset module, 20-smart terminal, 21- Volume up button, 22-volume down button, 23-power button, 24-home button, 25-fingerprint sensor.
  • first, second, third, etc. may be used in the present disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as second information without departing from the scope of the present disclosure.
  • second information may also be referred to as first information.
  • word "if” as used herein may be interpreted as "when” or “when” or “in response to a determination.”
  • FIG. 1 is a schematic flowchart of a screen capture method for a smart terminal 20 according to a preferred embodiment of the present invention.
  • the screen capture method includes the following steps:
  • S101 Determine whether an external fingerprint is detected by the fingerprint sensor 25 disposed on the back of the smart terminal 20.
  • the smart terminal 20 may be a terminal device with a fingerprint detection function, such as a smart phone, a tablet computer, or a multimedia player.
  • the fingerprint sensor 25 is disposed on the back of the smart terminal 20, and can receive external fingerprint information and convert it into a digital signal, and then transmit the digital signal to other modules in the smart terminal 20 for subsequent processing.
  • the fingerprint sensor 25 receives a finger contact operation, that is, the user presses a finger on the fingerprint sensor 25, and the fingerprint sensor 25 collects the fingerprint of the user's finger as an external fingerprint.
  • the criterion for determining whether the fingerprint sensor 25 detects the external fingerprint may be determining the integrity of the external fingerprint. If the external fingerprint is incomplete or ambiguous, it is determined that the external fingerprint is not detected.
  • the preset reference fingerprint may also be compared and matched with the external fingerprint by using a preset reference fingerprint. If the matching is successful, the external fingerprint is regarded as being detected.
  • the button may be a button provided on the side of the smart terminal 20, such as a volume up button 21, a volume down button 22, and a power button 23, and may be disposed on the right side of the smart terminal 20 or on the left side. side.
  • a layout takes into account the one-hand operation of the user. For example, when the user holds the smart terminal 20 with one hand in the right hand, the thumb can press the button provided on the right side of the button, and the index finger, the middle finger or the ring finger can be The fingerprint sensor 25 provided on the back of the smart terminal 20 performs a contact or pressing operation, thus realizing a state of one-hand operation.
  • the button provided on the left side can be pressed.
  • each button When each button is pressed, it causes a change in the state of the circuit, and is recognized by the detecting circuit and converted into a digital signal and reported to the smart terminal 20.
  • a combination of a button or a plurality of buttons can be used as a target for determining a pressing operation; when two or more button combinations are selected, the button participating in the pressing operation must be kept at a relatively close distance, such as a volume increase and a volume reduction button. The combination.
  • step S102 When the determination in step S102 is established, that is, at least one button provided on the side of the smart terminal 20 receives a pressing operation, this step is performed.
  • This step performs a screen capture operation, and the execution condition of this step is that the fingerprint sensor 25 detects an external fingerprint, and the button provided on the side of the smart terminal 20 is pressed.
  • the screen display of the smart terminal 20 is realized by display of pixel points, and the display interface is composed of display contents of different pixel points.
  • the information to be displayed includes the information of each pixel on the screen. Therefore, the information to be displayed only needs to be saved as one picture when the step is executed.
  • the fingerprint sensor 25 does not detect an external fingerprint
  • pressing the button does not trigger a screen capture operation, but performs an operation function set by the button itself, thereby implementing multiple keystrokes according to fingerprint detection.
  • the function is used separately.
  • step S101' the screen capture method further includes the following steps:
  • S100 preset at least one reference fingerprint in the smart terminal 20.
  • the reference fingerprint is a fingerprint sample collected by the user or other users in advance, and the matching of the external fingerprint is determined by using the reference fingerprint sample as a reference in a subsequent step.
  • a prompt interface may be displayed on the screen of the smart terminal 20, prompting the user to place a finger that needs to be collected on the fingerprint sensor 25, and the fingerprint sensor 25 identifies the fingerprint information of the finger and The information is converted into image information and recorded in the smart terminal 20. After the fingerprint information is successfully acquired, the reference fingerprint is collected on the screen.
  • a plurality of reference fingerprints may be preset in the smart terminal 20 to facilitate subsequent operations by different fingers, and may also be convenient for different operators to perform operations.
  • the smart terminal 20 matches the external fingerprint with the reference fingerprint, and after the matching is successful, the external fingerprint can be determined to be detected.
  • step S101' includes:
  • the fingerprint sensor 25 acquires the external fingerprint according to a preset frequency.
  • the fingerprint sensor 25 collects the external fingerprint according to a preset frequency in order to ensure that the user's operation can be recognized in time.
  • the fingerprint sensor 25 needs to perform sampling and identification of the fingerprint information for a certain period of time. In milliseconds, the fingerprint information detected by the fingerprint sensor 25 is recorded in each working cycle, whether the complete fingerprint information is detected or not. The missing fingerprint information, even without the fingerprint information, must be sampled and sampled to form fingerprint image information.
  • the fingerprint sensor 25 needs to perform a cyclic operation according to the preset frequency, and the fingerprint sensor 25 can be continuously called by the timing task in the smart terminal 20 to perform a fingerprint detecting operation, and the countdown of the periodicity of the timed task is performed. That is, the preset frequency.
  • S101'-2 determining whether the external fingerprint matches the reference fingerprint by a fingerprint matching algorithm.
  • the fingerprint matching algorithm is a relatively mature prior art, and is implemented based on image recognition. Specifically, image information of the external fingerprint is extracted and image information of the reference fingerprint is used for image feature comparison, including geometric line features and gray scales. Compare the features to get the matching result. Since in the computer program, the image information is represented by the value of each pixel in the image, the comparison of the image features can be performed by the comparison operation of the pixel values. The same person in different states will be affected by weather, season, external wear and other factors, resulting in subtle differences in fingerprints. Therefore, fingerprint matching does not mean that the external fingerprint and the reference fingerprint are exactly the same, but the matching If the degree reaches a certain ratio, it can be considered that the two match is successful.
  • the matching degree is more than 90%, and the two can be matched as the same fingerprint.
  • the fingerprint sensor 25 in the step S101'-1 collects the fingerprint information, this step performs a matching judgment of the external fingerprint and the reference fingerprint to identify the finger placement operation of the user in time.
  • fingerprint identification is used as a determination condition for whether or not to perform a screen capture operation.
  • the user has the function of user identification, which improves safety and convenience of operation, and avoids the result of key combination. Misoperation.
  • the preset frequency is at least 5 times per second.
  • the step S101'-1 is performed to ensure that an external fingerprint is found to be in contact with the fingerprint sensor 25 at the first time, so the selection of the preset frequency is very important. If the preset frequency is relatively high, the gap between the two detections is shortened, the sensitivity is higher, and the contact of the external fingerprint with the fingerprint sensor 25 can be found in time; however, the higher working frequency is also given to the smart terminal. 20 brings a large operating load and occupies more system resources.
  • the preset frequency is preferably at least 5 times per second. At such an operating frequency, the fingerprint sensor 25 can detect the external fingerprint without missing, and does not occupy excessive system resources. .
  • the button is a power button 23.
  • the button for triggering the screen-cut operation is preferred, and the button is only one, that is, the power button 23.
  • the power button 23 is a button for turning on and off the smart terminal 20 and is disposed on a side of the smart terminal 20 . According to the setting of the embodiment, the power button 23 disposed on the right side is taken as an example.
  • the user wants to take a screen, the user only needs to hold the smart terminal 20 with the right hand and place the index finger on the back of the smart terminal 20 as a fingerprint sensor. On the 25th, the thumb is placed on the power button 23 and the pressing operation is performed, and the screen-cut operation can be completed without the two-hand operation or the function of the power button 23 itself.
  • the screen capture apparatus 10 includes:
  • the fingerprint detecting module 11 determines whether an external fingerprint is detected by the fingerprint sensor 25 provided on the back of the smart terminal.
  • the fingerprint detecting module 11 controls the fingerprint sensor 25 to collect information of an external fingerprint, and converts the image information into a digital format image for integrity determination or matching with a preset reference fingerprint.
  • the operation determining module 12 is connected to the fingerprint detecting module 11.
  • the fingerprint detecting module 11 detects an external fingerprint, it determines whether at least one button disposed on the side of the smart terminal 20 receives a pressing operation.
  • the button determined by the operation determining module 12 may be a button provided on the side of the smart terminal 20, such as a volume increasing button 21, a volume reducing button 22, and a power button 23, and the button may be disposed on the smart terminal 20.
  • the right side can also be placed on the left side.
  • the operation judging module 12 can use a combination of a button or a plurality of buttons as a target for determining a pressing operation; when two or more button combinations are selected, the button participating in the pressing operation must be kept at a relatively close distance, for example, the volume is increased.
  • the combination of the volume down keys can be used.
  • the saving module 13 is connected to the operation determining module 12, and when the operation determining module 12 determines that at least one button disposed on the side of the smart terminal 20 receives a pressing operation, the display interface for saving the smart terminal screen is image.
  • the saving module 13 obtains the determination result from the operation judging module 12, and when the button receives a pressing operation, performs a screen-cutting operation of the display interface.
  • the saving module 13 saves the pixel information of the image displayed on the display interface of the smart terminal 20 as a picture and stores it in the memory of the smart terminal 20 .
  • FIG. 5 it is a structural block diagram of a screen capture apparatus 10 for a smart terminal 20 according to another preferred embodiment of the present invention.
  • the screen capture apparatus 10 further includes:
  • the preset module 14 presets at least one reference fingerprint in the smart terminal 20 .
  • a prompt interface may be displayed on the screen of the smart terminal 20, prompting the user to place a finger that needs to be collected on the fingerprint sensor 25, and controlling the fingerprint sensor 25
  • the fingerprint information of the finger is recognized and converted into image information, and recorded in the smart terminal 20.
  • the reference fingerprint is collected on the screen.
  • the preset module 14 can preset a plurality of reference fingerprints in the smart terminal 20 to facilitate subsequent operations by different fingers, and can also facilitate operations by different operators.
  • the fingerprint detecting module 11 when the fingerprint detecting module 11 is in operation, after the fingerprint sensor 25 is detected to detect the external fingerprint, the external fingerprint is matched with the reference fingerprint, and the external fingerprint can be determined to be detected after the matching is successful.
  • the fingerprint detecting module 11 includes:
  • the collecting unit 111 collects the external fingerprint according to a preset frequency.
  • the collecting unit 111 may perform the fingerprint detecting operation by continuously calling the fingerprint sensor 25 by setting a certain time task, and the reciprocal of the period of the timing task is the preset frequency.
  • the matching unit 112 is connected to the collecting unit 111, and determines whether the external fingerprint matches the reference fingerprint by a fingerprint matching algorithm.
  • the matching unit 112 acquires information of the external fingerprint collected in each task period from the collecting unit 111, and matches the information of the external fingerprint with the reference fingerprint by using a fingerprint matching algorithm.
  • the preset frequency is at least 5 times per second.
  • the operation determining module 12 determines whether the button provided on the side of the smart terminal 20 receives a pressing operation, and the button is the power button 23.
  • FIG. 7 and 8 a schematic structural view of the front and back sides of the smart terminal 20 in accordance with a preferred embodiment of the present invention.
  • the right side of the smart terminal 20 is provided with a volume up key 21, a volume down key 22 and a power key 23, respectively, wherein the volume up key 21 and the volume down key 22 respectively correspond to the smart terminal.
  • the volume of 20 is increased or decreased, and the power button 23 is controlled by the power on/off.
  • the front end of the smart terminal 20 is further provided with a main interface key 24 for displaying the main interface of the display interface of the smart terminal 20.
  • a fingerprint sensor 25 is provided on the upper middle portion of the back of the smart terminal 20 for detecting an external fingerprint.
  • Such a position layout facilitates the user to hold the smart terminal 20 with one hand while a finger touches the fingerprint sensor 25 and each button.
  • the volume up key 21, the volume down key 22 and the power key 23 can be used as a button to trigger a screen capture operation.
  • a single screen press can implement a screen capture operation.
  • the combination of the volume up key 21 and the volume down key 22 or the combination of the volume down key 22 and the power key 23 may also be used as a button trigger condition.
  • the fingerprint sensor 25 detects an external fingerprint, it must simultaneously The volume up key 21 and the volume down key 22 or the volume down key 22 and the power key 23 are pressed to effect a screen capture operation.
  • the fingerprint detecting sensor 25 does not detect an external fingerprint, the operation of the button can only trigger its original function without triggering the screen capture operation.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Function (AREA)
  • Image Input (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

Cette invention concerne un procédé de capture d'écran et un dispositif de capture d'écran pour un terminal intelligent, le procédé de capture d'écran comprenant les étapes suivantes consistant à : déterminer si un capteur d'empreinte digitale disposé au dos d'un terminal intelligent détecte une empreinte digitale externe (S101) ; lorsque le capteur d'empreinte digitale détecte une empreinte digitale externe, déterminer si au moins un bouton disposé sur un côté du terminal intelligent reçoit une opération de pression (S102) ; et lorsque le(s) bouton(s) disposé(s) sur le côté du terminal intelligent reçoit/reçoivent une opération de pression, sauvegarder une interface d'affichage d'un écran du terminal intelligent en tant qu'image (S103). Avec le procédé et le dispositif selon l'invention, la structure du corps humain est entièrement prise en considération dans une opération de capture d'écran, ce qui est pratique pour une commande à une seule main, et évite également une manipulation erronée des boutons, garantissant ainsi une mise en œuvre stable de la fonction de capture d'écran.
PCT/CN2017/119320 2017-12-28 2017-12-28 Procédé de capture d'écran et dispositif de capture d'écran pour terminal intelligent WO2019127198A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2017/119320 WO2019127198A1 (fr) 2017-12-28 2017-12-28 Procédé de capture d'écran et dispositif de capture d'écran pour terminal intelligent
CN201780097107.4A CN111417923A (zh) 2017-12-28 2017-12-28 一种用于智能终端的截屏方法及截屏装置

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PCT/CN2017/119320 WO2019127198A1 (fr) 2017-12-28 2017-12-28 Procédé de capture d'écran et dispositif de capture d'écran pour terminal intelligent

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140058935A1 (en) * 2012-08-21 2014-02-27 Noel Mijares Mobile contactless digital watch payment
CN105549868A (zh) * 2015-07-25 2016-05-04 宇龙计算机通信科技(深圳)有限公司 一种移动终端操作处理方法、装置和移动终端
CN105955644A (zh) * 2016-04-20 2016-09-21 乐视控股（北京）有限公司 截屏方法及移动终端
CN106959841A (zh) * 2016-01-08 2017-07-18 阿里巴巴集团控股有限公司 一种应用中功能的调用方法及装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104184875B (zh) * 2013-05-20 2019-01-11 中兴通讯股份有限公司 终端调试端口的开启方法、装置与终端

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140058935A1 (en) * 2012-08-21 2014-02-27 Noel Mijares Mobile contactless digital watch payment
CN105549868A (zh) * 2015-07-25 2016-05-04 宇龙计算机通信科技(深圳)有限公司 一种移动终端操作处理方法、装置和移动终端
CN106959841A (zh) * 2016-01-08 2017-07-18 阿里巴巴集团控股有限公司 一种应用中功能的调用方法及装置
CN105955644A (zh) * 2016-04-20 2016-09-21 乐视控股（北京）有限公司 截屏方法及移动终端

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