WO2017028526A1 - 一种移动终端自动接听电话的方法及移动终端 - Google Patents

一种移动终端自动接听电话的方法及移动终端 Download PDF

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Publication number
WO2017028526A1
WO2017028526A1 PCT/CN2016/076483 CN2016076483W WO2017028526A1 WO 2017028526 A1 WO2017028526 A1 WO 2017028526A1 CN 2016076483 W CN2016076483 W CN 2016076483W WO 2017028526 A1 WO2017028526 A1 WO 2017028526A1
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WO
WIPO (PCT)
Prior art keywords
value
human ear
mobile terminal
coordinate value
coordinate
Prior art date
Application number
PCT/CN2016/076483
Other languages
English (en)
French (fr)
Inventor
陈琼
Original Assignee
惠州Tcl移动通信有限公司
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 惠州Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Priority to US15/322,378 priority Critical patent/US9894522B2/en
Publication of WO2017028526A1 publication Critical patent/WO2017028526A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/70Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/752Contour matching
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161Detection; Localisation; Normalisation
    • G06V40/166Detection; Localisation; Normalisation using acquisition arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/168Feature extraction; Face representation
    • G06V40/171Local features and components; Facial parts ; Occluding parts, e.g. glasses; Geometrical relationships
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/172Classification, e.g. identification
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0861Network architectures or network communication protocols for network security for authentication of entities using biometrical features, e.g. fingerprint, retina-scan
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04104Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/22Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector

Definitions

  • the present invention relates to the field of mobile terminals, and in particular, to a method for a mobile terminal to automatically answer a call and a mobile terminal.
  • the mobile terminal needs to first securely unlock the mobile phone, and then click the answer button to realize the answering of the phone, which is inconvenient to use and does not meet the requirements of the user for intelligentizing the mobile terminal.
  • the technical problem to be solved by the present invention is to provide a method for automatically answering a call by a mobile terminal and a mobile terminal, which can realize that the human ear can automatically answer the call by touching the touch screen of the mobile terminal, thereby facilitating people's use of the mobile terminal.
  • a technical solution adopted by the present invention is to provide a method for automatically answering a call by a mobile terminal, the method comprising: acquiring coordinate values of parts of a human ear of a legitimate user with respect to a reference coordinate axis and storing the sample to the sample Coordinate value; when the mobile terminal has a call incoming, the pressure value and coordinate value of each contact point of the current user's human ear touching the touch screen are obtained every predetermined time, wherein the pressure value includes the pressure magnitude and the pressure area; and the number of contact points is determined.
  • the first predetermined value Whether it is less than the first predetermined value; if less than the first predetermined value, prompting the user to touch the human ear again to the touch screen; if greater than or equal to the first predetermined value, obtaining the outer contour of the human ear of the current user according to the pressure value and the coordinate value; Selecting three parts of the human ear in the outer contour to establish a reference coordinate axis; obtaining relative coordinate values of each contact point corresponding to each part in the outer contour according to the reference coordinate axis; matching the relative coordinate value with the pre-stored sample coordinate value, wherein The sample coordinate value is a coordinate value of each part of the human ear of the legal user with respect to the reference coordinate axis; When the relative coordinate values and the coordinate values stored samples match, and unlock the mobile terminal to answer the call.
  • the step of matching the relative coordinate value with the pre-stored sample coordinate value is specifically: obtaining the absolute value of the difference between the relative coordinate value and the abscissa of the same part of the sample coordinate value corresponding to the human ear and the ordinate
  • the absolute values of the difference values are respectively recorded as the first absolute value and the second absolute value; the number of relative coordinate values in which the first absolute value is within the first predetermined range and the second absolute value is within the second predetermined range; If the number is greater than or equal to the second predetermined value, it is determined that the relative coordinate value matches the pre-stored sample coordinate value.
  • the step of selecting the three parts of the human ear to establish the reference coordinate axis in the outer contour is specifically: selecting the ear wheel of the human ear, the tragus and establishing a reference coordinate axis for the tragus in the outer contour.
  • another technical solution adopted by the present invention is to provide a method for automatically answering a call by a mobile terminal, the method comprising: acquiring a human ear of a current user every predetermined time when the mobile terminal has a call incoming by the mobile phone; The pressure value and the coordinate value of each contact point when contacting the touch screen, wherein the pressure value includes the pressure magnitude and the pressure area; the outer contour of the current user's ear is obtained according to the pressure value and the coordinate value; and the three parts of the human ear are selected in the outer contour Establishing a reference coordinate axis; acquiring relative coordinate values of each contact point corresponding to each part in the outer contour according to the reference coordinate axis; matching the relative coordinate value with the pre-stored sample coordinate value, wherein the sample coordinate value is a human ear of the legal user The coordinate value of each part relative to the reference coordinate axis; when the relative coordinate value matches the pre-stored sample coordinate value, the mobile terminal is unlocked and the call is answered.
  • the method further includes: determining whether the number of the contact points is less than a predetermined value; if less than the first predetermined value, prompting the user to touch the human ear again to the touch screen; if greater than or equal to the first predetermined value, performing the step of acquiring the external contour of the human ear of the current user according to the pressure value and the coordinate value.
  • the step of matching the relative coordinate value with the pre-stored sample coordinate value is specifically: obtaining the absolute value of the difference between the relative coordinate value and the abscissa of the same part of the sample coordinate value corresponding to the human ear and the ordinate
  • the absolute values of the difference values are respectively recorded as the first absolute value and the second absolute value; the number of relative coordinate values in which the first absolute value is within the first predetermined range and the second absolute value is within the second predetermined range; If the number is greater than or equal to the second predetermined value, it is determined that the relative coordinate value matches the pre-stored sample coordinate value.
  • the step of selecting the three parts of the human ear to establish the reference coordinate axis in the outer contour is specifically: selecting the ear wheel of the human ear, the tragus and establishing a reference coordinate axis for the tragus in the outer contour.
  • the method further comprises the steps of: acquiring the parts of the human ear of the legitimate user The coordinate value of the bit relative to the reference axis and stored to the sample coordinate value.
  • another technical solution adopted by the present invention is to provide a mobile terminal that automatically answers a call, the mobile terminal includes a touch screen and a digital signal processing unit; when the mobile terminal has a call incoming, the touch screen is used for each Obtaining a pressure value and a coordinate value of each contact point of the current user's human ear when contacting the touch screen, wherein the pressure value includes a pressure magnitude and a pressure area; and the digital signal processing unit is configured to acquire the current user's human ear according to the pressure value and the coordinate value.
  • the outer contour is selected in the outer contour to select three parts of the human ear to establish a reference coordinate axis, and the relative coordinate values of each contact point corresponding to each part in the outer contour are obtained according to the reference coordinate axis, and the relative coordinate value and the pre-stored sample coordinates are obtained.
  • the value is matched, wherein the sample coordinate value is a coordinate value of each part of the human ear of the legal user relative to the reference coordinate axis; if the digital signal processing unit determines that the relative coordinate value matches the pre-stored sample coordinate value, the mobile terminal is unlocked and automatically answered. phone.
  • the digital signal processing unit determines whether the number of contact points is less than a first predetermined value; if less than the first predetermined value, prompts the user to bring the human ear back into contact with the touch screen; if greater than or equal to the first predetermined value, the digital signal processing unit performs The operation of acquiring the outer contour of the current user's human ear based on the pressure value and the coordinate value.
  • the digital signal processing unit acquires the absolute value of the difference between the relative coordinate value and the abscissa of the same portion of the sample coordinate value corresponding to the human ear and the absolute value of the difference between the ordinates, respectively recorded as the first An absolute value and a second absolute value; the digital signal processing unit acquires the number of relative coordinate values of the first absolute value within the first predetermined range and the second absolute value within the second predetermined range; if the quantity is greater than or equal to the second predetermined value The digital signal processing unit determines that the relative coordinate value matches the pre-stored sample coordinate value.
  • the digital signal processing unit selects the ear wheel of the human ear, the tragus and the reference axis on the tragus in the outer contour.
  • the mobile terminal further includes an application processor, after the application processor is configured to package the sample coordinate values into firmware identifiable by the digital signal processing unit, control the digital signal processing unit to switch from the working mode to the download mode and download the firmware to the digital signal processing. The unit, then continues to control the digital signal processing unit to switch from the download mode to the active mode.
  • the invention has the beneficial effects that the mobile terminal of the present invention automatically answers the phone and the mobile terminal acquires the user's ear contact touch screen every predetermined time when the mobile terminal has a phone call in, different from the prior art.
  • the pressure value and coordinate value of each contact point, the external contour of the human ear is obtained according to the pressure value and the coordinate value, and the three coordinate parts of the human ear are selected in the external contour to establish a reference coordinate axis; and the parts in the outer contour are obtained according to the reference coordinate axis.
  • the corresponding relative coordinate values of the contact points; the relative coordinate values are matched with the pre-stored sample coordinate values, and when the relative coordinate values match the pre-stored sample coordinate values, the mobile terminal is unlocked and the call is answered.
  • the present invention can realize that the human ear contacts the touch screen of the mobile terminal to automatically answer the call, and facilitates the use of the mobile terminal by people.
  • FIG. 1 is a flowchart of a method for a mobile terminal to automatically answer a call according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a mobile terminal that automatically answers a call according to an embodiment of the present invention.
  • FIG. 1 is a flow chart of a method for a mobile terminal to automatically answer a call according to an embodiment of the present invention. It should be noted that the method of the present invention is not limited to the sequence of the flow shown in FIG. 1 if substantially the same result is obtained. As shown in FIG. 1, the method includes the following steps:
  • Step S101 When the mobile terminal has a call incoming, the pressure value and the coordinate value of each contact point when the human ear of the current user touches the touch screen are acquired every predetermined time.
  • the touch screen is a piezoelectric touch screen
  • the piezoelectric multi-touch technology is combined with a high-precision analog-to-digital converter to analyze the strength and weakness of the voltage and current of each contact point when the human ear contacts the touch screen.
  • the piezoelectric multi-touch technology is different from the traditional resistive or capacitive touch technology, which is driven by voltage driving, and has the functions of pressure sensing and pressure detection.
  • Step S102 determining whether the number of contact points is less than the first predetermined value; if yes, executing step S103, otherwise performing step S104.
  • step S102 it is determined whether the number of contact points is less than the first predetermined value or not, whether the number of contact points obtained is determined to satisfy the requirement of subsequent matching.
  • the size of the first predetermined value may be set according to an actual application, for example, if a faster matching speed is required, a smaller first predetermined value is set; if a higher matching precision is required, a larger first predetermined setting is set. value.
  • Step S103 prompting the user to touch the human ear to the touch screen again.
  • step S103 when it is determined in step S102 that the number of contact points is less than the first predetermined value, the user is prompted to touch the human ear again to obtain more contact points.
  • Step S104 Acquire an external contour of the human ear of the current user according to the pressure value and the coordinate value.
  • step S104 when it is determined in step S102 that the number of contact points is greater than or equal to the first predetermined value, the outer contour of the human ear of the current user is acquired according to the pressure value and the coordinate value.
  • the outer contour of the human ear includes a triangular socket, an ear canal, an ear cavity, an otoscope, an inter-panel notch, an ear boat, a lug, a pair of ear wheels, a wheel foot, a pair of tragus, an earlobe and the like.
  • Step S105 Selecting three parts of the human ear in the outer contour to establish a reference coordinate axis.
  • step S105 when the contact postures of the human ear and the touch screen are different, the coordinate values of the contact points corresponding to the same part of the human ear are different from each other, so it is necessary to establish a reference coordinate axis corresponding to the human ear.
  • the ear wheel, the tragus and the tragus are prominent in the human ear, the ear wheel of the human ear, the tragus and the reference axis can be established in the outer contour.
  • Step S106 Acquire relative coordinate values of respective contact points corresponding to respective parts in the outer contour according to the reference coordinate axis.
  • step S106 the relative coordinate values of the respective contact points corresponding to the respective parts in the human ear in the reference coordinate axis are the same when the same human ear is in contact with the touch screen.
  • the relative position between each part of the human ear is relatively fixed. Therefore, in order to meet the matching requirements, it is necessary to obtain each of the external contours.
  • the relative coordinate values of the respective contact points corresponding to the part are used for subsequent matching using the relative coordinate values.
  • Step S107 Matching the relative coordinate value with the pre-stored sample coordinate value, wherein the sample coordinate value is a coordinate value of each part of the human ear of the legal user with respect to the reference coordinate axis.
  • step S107 The step of matching the relative coordinate value with the pre-stored sample coordinate value is specifically: first obtaining the absolute value of the difference between the relative coordinate value and the abscissa of the same part of the sample coordinate value corresponding to the human ear and the ordinate
  • the absolute values of the difference values are respectively recorded as the first absolute value and the second absolute value; the number of relative coordinate values in which the first absolute value is within the first predetermined range and the second absolute value is within the second predetermined range; If the number is greater than or equal to the second predetermined value, it is determined that the relative coordinate value matches the pre-stored sample coordinate value.
  • the first predetermined range is the same as the second predetermined range.
  • Step S108 When the relative coordinate value matches the pre-stored sample coordinate value, the mobile terminal is unlocked and the call is answered.
  • step S108 when the matching result of the matching in step S107 is that the relative coordinate value matches the pre-stored sample coordinate value, the mobile terminal is unlocked and the call is automatically answered.
  • the embodiment of the present invention further includes the steps of: acquiring coordinate values of the parts of the human ear of the legal user with respect to the reference coordinate axis and storing the values to the sample coordinate values.
  • the pressure value and the coordinate value of each contact point of the current user's human ear contacting the touch screen are first acquired, wherein the number of contact points satisfies the matching requirement, which includes A1, A2. , A3, A4, whose corresponding coordinates are (x1, y1), (x2, y2), (x3, y3), (x4, y4). Then, according to the pressure values and coordinate values of the contact points A1, A2, A3, and A4, the outer contour of the human ear is obtained.
  • A1 corresponds to the tragus
  • A2 corresponds to the tragus
  • A3 corresponds to the horn
  • A4 Coping with the ear wheel Then, the tragus is selected in the outer contour, the reference coordinate axis is established for the tragus and the horn angle, and the relative coordinate values of the contact points corresponding to each part in the outer contour are obtained according to the reference coordinate axis, and the contact points A1, A2, A3, and A4 are assumed.
  • the corresponding relative coordinate values are (a1, b1), (a2, b2), (a3, b3), (a4, b4).
  • the relative coordinate values corresponding to A1, A2, A3, and A4 are (a1, b1), (a2, b2), (a3, b3), (a4, b4) are matched with the pre-stored sample coordinate values, assuming pre-stored
  • the sample coordinates include the tragus screen of the legitimate user, the tragus screen, the horn angle, and the sample coordinate values corresponding to the ear wheel, which are (c1, d1), (c2, d2), (c3, d3), (c4, d4), respectively.
  • the matching process is specifically: obtaining the absolute value of the difference between the relative coordinate value corresponding to the tragus and the abscissa in the sample coordinate value
  • the matching of the tragus, the wheel angle, and the ear wheel is similar to the matching of the tragus, and will not be described again for the sake of simplicity.
  • the same part of the human ear can also correspond to a plurality of sample coordinate values.
  • the sample coordinate values corresponding to the ear wheel of the human ear include (c41, d41), (c42, d42), (c43, d43), (c44, d44).
  • the relative coordinate value of the contact point corresponding to the contact wheel is (a4, b4)
  • only the relative coordinate value of the contact point is required ( A4, b4) matches any one of the sample coordinate values (c41, d41), (c42, d42), (c43, d43), (c44, d44).
  • the relative coordinates of the contact point can be determined. The value matches the sample coordinate value.
  • the mobile terminal includes a touch screen 1, a data bus 2, a storage unit 3, and a digital signal processing unit 4.
  • the touch screen 1 acquires the pressure value and the coordinate value of each contact point when the human ear touches the touch screen of the current user every predetermined time, and sends the pressure value and the coordinate value of each contact point through the data bus 2 Save to storage unit 3.
  • the pressure value includes the pressure magnitude and the pressure area
  • the data bus 2 is an I2C bus.
  • the digital signal processing unit 4 acquires the pressure value and the coordinate value of each contact point from the storage unit 3, and acquires the external contour of the human ear of the current user according to the pressure value and the coordinate value; and selects three parts of the human ear in the external contour to establish Referring to the coordinate axis, the relative coordinate values of the contact points corresponding to the respective parts in the outer contour are acquired according to the reference coordinate axis, and the relative coordinate values are matched with the pre-stored sample coordinate values.
  • the digital signal processing unit 4 determines that the relative coordinate value matches the pre-stored sample coordinate value, the mobile terminal is unlocked and the call is automatically answered.
  • the sample coordinate value is a coordinate value of each part of the human ear of the legal user relative to the reference coordinate axis.
  • the process in which the digital signal processing unit 4 matches the relative coordinate value with the pre-stored sample coordinate value is specifically: the digital signal processing unit 4 acquires the abscissa of the same part of the relative coordinate value and the sample coordinate value corresponding to the human ear.
  • the absolute value of the difference between the difference and the absolute value of the difference between the ordinates are respectively recorded as the first absolute value and the second absolute value; the digital signal processing unit 4 acquires the first absolute value within the first predetermined range and The number of relative coordinate values of the second absolute value within the second predetermined range; if the number is greater than or equal to the second predetermined value, the digital signal processing unit 4 determines that the relative coordinate value matches the pre-stored sample coordinate value.
  • the digital signal processing unit 4 determines whether the number of contact points is less than a first predetermined value; if less than the first predetermined value, prompts the user to bring the human ear back into contact with the touch screen; if greater than or equal to the first predetermined value, digital signal processing The unit 4 performs an operation of acquiring an outer contour of the human ear based on the pressure value and the coordinate value.
  • the mobile terminal further includes an application processor 5, after the application processor 5 packages the sample coordinate values into firmware identifiable by the digital signal processing unit 4, controls the digital signal processing unit 4 to switch from the working mode to the download mode and download the firmware. To the digital signal processing unit 4, then continue to control the digital signal processing unit 4 to switch from the download mode to the active mode.
  • the invention has the beneficial effects that the mobile terminal of the present invention automatically answers the phone and the mobile terminal acquires the user's ear contact touch screen every predetermined time when the mobile terminal has a phone call in, different from the prior art.
  • the pressure value and coordinate value of each contact point, the external contour of the human ear is obtained according to the pressure value and the coordinate value, and the three coordinate parts of the human ear are selected in the external contour to establish a reference coordinate axis; and the parts in the outer contour are obtained according to the reference coordinate axis.
  • the corresponding relative coordinate values of the contact points; the relative coordinate values are matched with the pre-stored sample coordinate values, and when the relative coordinate values match the pre-stored sample coordinate values, the mobile terminal is unlocked and the call is answered.
  • the present invention can realize that the human ear contacts the touch screen of the mobile terminal to automatically answer the call, and facilitates the use of the mobile terminal by people.

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Abstract

公开了一种移动终端自动接听电话的方法及移动终端。该方法包括:在移动终端有电话呼入时,每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值;根据压力值和坐标值获取当前用户的人耳的外部轮廓;在外部轮廓中选择人耳的三个部位建立参考坐标轴;根据参考坐标轴获取与外部轮廓中各部位对应的各接触点的相对坐标值;将相对坐标值与预存的样本坐标值进行匹配,其中,样本坐标值为合法用户的人耳的各部位相对于参考坐标轴的坐标值;当相对坐标值与预存的样本坐标值相匹配时,解锁移动终端并接听电话。通过上述方式,能够实现人耳接触移动终端的触摸屏就能自动接听电话,方便人们对移动终端的使用。

Description

一种移动终端自动接听电话的方法及移动终端
【技术领域】
本发明涉及移动终端领域,特别是涉及一种移动终端自动接听电话的方法及移动终端。
【背景技术】
随着移动终端的快速普及,用户对移动终端智能化要求进一步加强。目前移动终端接听电话需要首先对手机进行安全解锁,接着点击接听键才能实现电话的接听,使用不方便,不符合用户对移动终端智能化的要求。
【发明内容】
本发明主要解决的技术问题是提供一种移动终端自动接听电话的方法及移动终端,能够实现人耳接触移动终端的触摸屏就能自动接听电话,方便人们对移动终端的使用。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种移动终端自动接听电话的方法,该方法包括:获取合法用户的人耳的各部位相对于参考坐标轴的坐标值并存储至样本坐标值;在移动终端有电话呼入时,每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值,其中压力值包括压力大小和压力面积;判断接触点的数量是否小于第一预定值;若小于第一预定值,则提示用户将人耳再次接触触摸屏,若大于等于第一预定值,则根据压力值和坐标值获取当前用户的人耳的外部轮廓;在外部轮廓中选择人耳的三个部位建立参考坐标轴;根据参考坐标轴获取与外部轮廓中各部位对应的各接触点的相对坐标值;将相对坐标值与预存的样本坐标值进行匹配,其中,样本坐标值为合法用户的人耳的各部位相对于参考坐标轴的坐标值;当相对坐标值与预存的样本坐标值相匹配时,解锁移动终端并接听电话。其中,将相对坐标值与预存的样本坐标值进行匹配的步骤具体为:获取相对坐标值和样本坐标值中对应于人耳的相同部位的横坐标之间的差值的绝对值以及纵坐标之间的差值的绝对值,分别记为第一绝对值和第二绝对值;获取第一绝对值在第一预定范围内以及第二绝对值在第二预定范围内的相对坐标值的数量;若该数量大于等于第二预定值,则判断相对坐标值与预存的样本坐标值匹配。
其中,在外部轮廓中选择人耳的三个部位建立参考坐标轴的步骤具体为:在外部轮廓中选择人耳的耳轮脚、耳屏和对耳屏建立参考坐标轴。
为解决上述技术问题,本发明采用的另一个技术方案是:提供一种移动终端自动接听电话的方法,该方法包括:在移动终端有电话呼入时,每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值,其中压力值包括压力大小和压力面积;根据压力值和坐标值获取当前用户的人耳的外部轮廓;在外部轮廓中选择人耳的三个部位建立参考坐标轴;根据参考坐标轴获取与外部轮廓中各部位对应的各接触点的相对坐标值;将相对坐标值与预存的样本坐标值进行匹配,其中,样本坐标值为合法用户的人耳的各部位相对于参考坐标轴的坐标值;当相对坐标值与预存的样本坐标值相匹配时,解锁移动终端并接听电话。
其中,在移动终端有电话呼入时,每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值的步骤之后,该方法进一步包括:判断接触点的数量是否小于第一预定值;若小于第一预定值,则提示用户将人耳再次接触触摸屏;若大于等于第一预定值,则执行根据压力值和坐标值获取当前用户的人耳的外部轮廓的步骤。
其中,将相对坐标值与预存的样本坐标值进行匹配的步骤具体为:获取相对坐标值和样本坐标值中对应于人耳的相同部位的横坐标之间的差值的绝对值以及纵坐标之间的差值的绝对值,分别记为第一绝对值和第二绝对值;获取第一绝对值在第一预定范围内以及第二绝对值在第二预定范围内的相对坐标值的数量;若该数量大于等于第二预定值,则判断相对坐标值与预存的样本坐标值匹配。
其中,在外部轮廓中选择人耳的三个部位建立参考坐标轴的步骤具体为:在外部轮廓中选择人耳的耳轮脚、耳屏和对耳屏建立参考坐标轴。
其中,在移动终端有电话呼入时,每隔预定时间获取用户的人耳接触触摸屏时各接触点的压力值和坐标值的步骤之前,该方法进一步包括步骤:获取合法用户的人耳的各部位相对于参考坐标轴的坐标值并存储至样本坐标值。
为解决上述技术问题,本发明采用的再一个技术方案是:提供一种自动接听电话的移动终端,该移动终端包括触摸屏和数字信号处理单元;在移动终端有电话呼入时,触摸屏用于每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值,其中压力值包括压力大小和压力面积;数字信号处理单元用于根据压力值和坐标值获取当前用户的人耳的外部轮廓,在外部轮廓中选择人耳的三个部位建立参考坐标轴,根据参考坐标轴获取与外部轮廓中各部位对应的各接触点的相对坐标值,将相对坐标值与预存的样本坐标值进行匹配,其中,样本坐标值为合法用户的人耳的各部位相对于参考坐标轴的坐标值;若数字信号处理单元判断相对坐标值与预存的样本坐标值相匹配,解锁移动终端并自动接听电话。
其中,数字信号处理单元判断接触点的数量是否小于第一预定值;若小于第一预定值,则提示用户将人耳再次靠近并接触触摸屏;若大于等于第一预定值,数字信号处理单元执行根据压力值和坐标值获取当前用户的人耳的外部轮廓的操作。
其中,数字信号处理单元获取相对坐标值和样本坐标值中对应于人耳的相同部位的横坐标之间的差值的绝对值以及纵坐标之间的差值的绝对值,分别记为第一绝对值和第二绝对值;数字信号处理单元获取第一绝对值在第一预定范围内以及第二绝对值在第二预定范围内的相对坐标值的数量;若该数量大于等于第二预定值,数字信号处理单元判断相对坐标值与预存的样本坐标值相匹配。
其中,数字信号处理单元在外部轮廓中选择人耳的耳轮脚、耳屏和对耳屏建立参考坐标轴。
其中,移动终端进一步包括应用处理器,应用处理器用于将样本坐标值打包成数字信号处理单元可识别的固件后,控制数字信号处理单元由工作模式切换为下载模式并将固件下载至数字信号处理单元,接着继续控制数字信号处理单元由下载模式切换为工作模式。
本发明的有益效果是:区别于现有技术的情况,本发明的移动终端自动接听电话的方法及移动终端通过在移动终端有电话呼入时,每隔预定时间获取用户的人耳接触触摸屏时各接触点的压力值和坐标值,根据压力值和坐标值获取人耳的外部轮廓,在外部轮廓中选择人耳的三个部位建立参考坐标轴;根据参考坐标轴获取与外部轮廓中各部位对应的各接触点的相对坐标值;将相对坐标值与预存的样本坐标值进行匹配,当相对坐标值与预存的样本坐标值相匹配时,解锁移动终端并接听电话。通过上述方式,本发明能够实现人耳接触移动终端的触摸屏就能自动接听电话,方便人们对移动终端的使用。
【附图说明】
图1是本发明实施例的移动终端自动接听电话的方法的流程图;
图2是本发明实施例的自动接听电话的移动终端的结构示意图。
【具体实施方式】
在说明书及权利要求书当中使用了某些词汇来指称特定的组件,所属领域中的技术人员应可理解,制造商可能会用不同的名词来称呼同样的组件。本说明书及权利要求书并不以名称的差异来作为区分组件的方式,而是以组件在功能上的差异来作为区分的基准。下面结合附图和实施例对本发明进行详细说明。
图1是本发明实施例的移动终端自动接听电话的方法的流程图。需注意的是,若有实质上相同的结果,本发明的方法并不以图1所示的流程顺序为限。如图1所示,该方法包括如下步骤:
步骤S101:在移动终端有电话呼入时,每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值。
在步骤S101中,触摸屏为压电式触摸屏,其通过压电式多点触控技术,结合高精度模数转换器对人耳接触触摸屏时各接触点的电压电流的强弱变换进行解析,得到各接触点对应的压力值和坐标值,其中,压力值包括压力大小和压力面积。
其中,压电式多点触控技术不同于传统的电阻式或电容式触控技术,其是通过电压驱动来完成触控,另外,其具有压力感应和压力侦测的功能。
步骤S102:判断接触点的数量是否小于第一预定值;若是,执行步骤S103,否则执行步骤S104。
在步骤S102中,判断接触点的数量是否小于第一预定值实际为判断获取的接触点的数量是否满足后续匹配的要求。其中,第一预定值的大小可以根据实际应用进行设置,例如若要求较快的匹配速度,则设置较小的第一预定值;若要求较高的匹配精度,则设置较大的第一预定值。
步骤S103:提示用户将人耳再次接触触摸屏。
在步骤S103中,当步骤S102判断接触点的数量小于第一预定值时,提示用户将人耳再次接触触摸屏,以获取更多的接触点。
步骤S104:根据压力值和坐标值获取当前用户的人耳的外部轮廓。
在步骤S104中,当步骤S102判断接触点的数量大于等于第一预定值时,根据压力值和坐标值获取当前用户的人耳的外部轮廓。其中,人耳的外部轮廓包括三角窝、耳甲艇、耳甲腔、耳屏、屏间切迹、耳舟、耳轮、对耳轮、耳轮脚、对耳屏、耳垂等部位。
步骤S105:在外部轮廓中选择人耳的三个部位建立参考坐标轴。
在步骤S105中,对同一人耳,当人耳与触摸屏的接触姿势不同时获取到对应人耳同一部位的接触点的坐标值也会互不相同,因此需要建立与人耳对应的参考坐标轴。优选地,由于人耳中耳轮脚、耳屏和对耳屏是比较突出的,可以在外部轮廓中选择人耳的耳轮脚、耳屏和对耳屏建立参考坐标轴。
步骤S106:根据参考坐标轴获取与外部轮廓中各部位对应的各接触点的相对坐标值。
在步骤S106中,对同一人耳,无论其采用何种接触姿势与触摸屏接触时,人耳中各部位对应的各接触点在参考坐标轴中的相对坐标值是相同的。另外,可以理解的是,虽然每个人的人耳尺寸不一样,但是每个人的人耳中各部位之间的相对位置是比较固定的,因此,为了后续的匹配需求,需要获取外部轮廓中各部位对应的各接触点的相对坐标值并使用相对坐标值进行后续的匹配。
步骤S107:将相对坐标值与预存的样本坐标值进行匹配,其中,样本坐标值为合法用户的人耳的各部位相对于参考坐标轴的坐标值。
在步骤S107中, 将相对坐标值与预存的样本坐标值进行匹配的步骤具体为:首先获取相对坐标值和样本坐标值中对应于人耳的相同部位的横坐标之间的差值的绝对值以及纵坐标之间的差值的绝对值,分别记为第一绝对值和第二绝对值;获取第一绝对值在第一预定范围内以及第二绝对值在第二预定范围内的相对坐标值的数量;若该数量大于等于第二预定值,则判断相对坐标值与预存的样本坐标值匹配。优选地,第一预定范围内和第二预定范围相同。
步骤S108:当相对坐标值与预存的样本坐标值相匹配时,解锁移动终端并接听电话。
在步骤S108中,当步骤S107进行匹配后的匹配结果为相对坐标值与预存的样本坐标值相匹配,则解锁移动终端并自动接听电话。
另外,在步骤S101之前,本发明实施例还包括步骤:获取合法用户的人耳的各部位相对于参考坐标轴的坐标值并存储至样本坐标值。
举例来说,在移动终端有电话呼入时,首先获取当前用户的人耳接触触摸屏的各接触点的压力值和坐标值,其中,假设接触点的数量满足匹配的要求,其包括A1,A2,A3,A4,其对应的坐标为(x1,y1),(x2,y2),(x3,y3),(x4,y4)。接着根据接触点A1、A2、A3、A4的压力值和坐标值获取人耳的外部轮廓,在人耳的外部轮廓中,假设A1对应耳屏、A2对应对耳屏、A3对应耳轮角、A4对应对耳轮。接着在外部轮廓中选择耳屏、对耳屏和耳轮角建立参考坐标轴,根据参考坐标轴获取外部轮廓中各部位对应的各接触点的相对坐标值,假设接触点A1、A2、A3、A4对应的相对坐标值为(a1,b1),(a2,b2),(a3,b3),(a4,b4)。接着将A1、A2、A3、A4对应的相对坐标值为(a1,b1),(a2,b2),(a3,b3),(a4,b4)与预存的样本坐标值进行匹配,假设预存的样本坐标包括合法用户的耳屏、对耳屏、耳轮角、对耳轮对应的样本坐标值,其分别为(c1,d1),(c2,d2),(c3,d3),(c4,d4),则匹配的过程具体为:获取与耳屏对应的相对坐标值和样本坐标值中的横坐标的差值的绝对值|a1-c1|以及纵坐标的差值的绝对值|b1-d1|,若|a1-c1|在第一预定范围内且|b1-d1|在第二预定范围内,则说明与耳屏对应的相对坐标值与样本坐标值相匹配,若|a1-c1|不在第一预定范围内或者|b1-d1|不在第二预定范围内,则说明与耳屏对应的相对坐标值与样本坐标值不相匹配。对耳屏、耳轮角、对耳轮的匹配与耳屏的匹配类似,为简单起见,不再赘述。完成对触发点A1、A2、A3、A4的匹配后,若相匹配的触发点的数量达到第二预定值,则解锁移动终端并接听电话。
本领域的技术人员可以理解,在样本坐标值中,人耳的同一部位也可以对应多个样本坐标值,举例来说,与人耳的对耳轮对应的样本坐标值包括(c41,d41),(c42,d42),(c43,d43),(c44,d44),此时,若对应对耳轮的接触点的相对坐标值为(a4,b4),则只需该接触点的相对坐标值(a4,b4)与样本坐标值(c41,d41),(c42,d42),(c43,d43),(c44,d44)中的任意一个相匹配,此时,便可认定该接触点的相对坐标值与样本坐标值相匹配。
图2是本发明实施例的自动接听电话的移动终端的结构示意图。如图2所示,移动终端包括触摸屏1、数据总线2、存储单元3和数字信号处理单元4。
在移动终端有电话呼入时,触摸屏1每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值,并将各接触点的压力值和坐标值通过数据总线2发送至存储单元3进行保存。其中,压力值包括压力大小和压力面积,数据总线2为I2C总线。
数字信号处理单元4从存储单元3中获取各接触点的压力值和坐标值,并根据压力值和坐标值获取当前用户的人耳的外部轮廓;在外部轮廓中选择人耳的三个部位建立参考坐标轴,根据参考坐标轴获取与外部轮廓中各部位对应的各接触点的相对坐标值,将相对坐标值与预存的样本坐标值进行匹配。当数字信号处理单元4判断相对坐标值与预存的样本坐标值相匹配时,解锁移动终端并自动接听电话。其中,样本坐标值为合法用户的人耳的各部位相对于参考坐标轴的坐标值。
具体来说,数字信号处理单元4将相对坐标值与预存的样本坐标值进行匹配的过程具体为:数字信号处理单元4获取相对坐标值和样本坐标值中对应于人耳的相同部位的横坐标之间的差值的绝对值以及纵坐标之间的差值的绝对值,分别记为第一绝对值和第二绝对值;数字信号处理单元4获取第一绝对值在第一预定范围内以及第二绝对值在第二预定范围内的相对坐标值的数量;若该数量大于等于第二预定值,数字信号处理单元4判断相对坐标值与预存的样本坐标值相匹配。
优选地,数字信号处理单元4判断接触点的数量是否小于第一预定值;若小于第一预定值,则提示用户将人耳再次靠近并接触触摸屏;若大于等于第一预定值,数字信号处理单元4执行根据压力值和坐标值获取人耳的外部轮廓的操作。
优选地,移动终端进一步包括应用处理器5,应用处理器5将样本坐标值打包成数字信号处理单元4可识别的固件后,控制数字信号处理单元4由工作模式切换为下载模式并将固件下载至数字信号处理单元4,接着继续控制数字信号处理单元4由下载模式切换为工作模式。
本发明的有益效果是:区别于现有技术的情况,本发明的移动终端自动接听电话的方法及移动终端通过在移动终端有电话呼入时,每隔预定时间获取用户的人耳接触触摸屏时各接触点的压力值和坐标值,根据压力值和坐标值获取人耳的外部轮廓,在外部轮廓中选择人耳的三个部位建立参考坐标轴;根据参考坐标轴获取与外部轮廓中各部位对应的各接触点的相对坐标值;将相对坐标值与预存的样本坐标值进行匹配,当相对坐标值与预存的样本坐标值相匹配时,解锁移动终端并接听电话。通过上述方式,本发明能够实现人耳接触移动终端的触摸屏就能自动接听电话,方便人们对移动终端的使用。
以上所述仅为本发明的实施方式,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (13)

  1. 一种移动终端自动接听电话的方法,其中,所述方法包括:
    获取合法用户的人耳的各部位相对于所述参考坐标轴的坐标值并存储至所述样本坐标值;
    在移动终端有电话呼入时,每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值,其中所述压力值包括压力大小和压力面积;
    判断所述接触点的数量是否小于第一预定值;
    若小于所述第一预定值,则提示用户将人耳再次接触所述触摸屏,若大于等于所述第一预定值,则根据所述压力值和所述坐标值获取当前用户的所述人耳的外部轮廓;
    在所述外部轮廓中选择所述人耳的三个部位建立参考坐标轴;
    根据所述参考坐标轴获取与所述外部轮廓中各部位对应的各所述接触点的相对坐标值;
    将所述相对坐标值与预存的样本坐标值进行匹配,其中,所述样本坐标值为合法用户的人耳的各部位相对于所述参考坐标轴的坐标值;
    当所述相对坐标值与预存的样本坐标值相匹配时,解锁所述移动终端并接听电话。
  2. 根据权利要求1所述的方法,其中,所述将所述相对坐标值与预存的样本坐标值进行匹配的步骤具体为:
    获取所述相对坐标值和所述样本坐标值中对应于人耳的相同部位的横坐标之间的差值的绝对值以及纵坐标之间的差值的绝对值,分别记为第一绝对值和第二绝对值;
    获取所述第一绝对值在第一预定范围内以及所述第二绝对值在第二预定范围内的所述相对坐标值的数量;
    若所述数量大于等于第二预定值,则判断所述相对坐标值与预存的所述样本坐标值匹配。
  3. 根据权利要求1所述的方法,其中,所述在所述外部轮廓中选择所述人耳的三个部位建立参考坐标轴的步骤具体为:
    在所述外部轮廓中选择所述人耳的耳轮脚、耳屏和对耳屏建立参考坐标轴。
  4. 一种移动终端自动接听电话的方法,其中,所述方法包括:
    在移动终端有电话呼入时,每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值,其中所述压力值包括压力大小和压力面积;
    根据所述压力值和所述坐标值获取当前用户的所述人耳的外部轮廓;
    在所述外部轮廓中选择所述人耳的三个部位建立参考坐标轴;
    根据所述参考坐标轴获取与所述外部轮廓中各部位对应的各所述接触点的相对坐标值;
    将所述相对坐标值与预存的样本坐标值进行匹配,其中,所述样本坐标值为合法用户的人耳的各部位相对于所述参考坐标轴的坐标值;
    当所述相对坐标值与预存的样本坐标值相匹配时,解锁所述移动终端并接听电话。
  5. 根据权利要求4所述的方法,其中,所述在移动终端有电话呼入时,每隔预定时间获取当前用户的人耳接触触摸屏时各接触点的压力值和坐标值的步骤之后,所述方法进一步包括:
    判断所述接触点的数量是否小于第一预定值;
    若小于所述第一预定值,则提示用户将人耳再次接触所述触摸屏;
    若大于等于所述第一预定值,则执行所述根据所述压力值和所述坐标值获取当前用户的所述人耳的外部轮廓的步骤。
  6. 根据权利要求5所述的方法,其中,所述将所述相对坐标值与预存的样本坐标值进行匹配的步骤具体为:
    获取所述相对坐标值和所述样本坐标值中对应于人耳的相同部位的横坐标之间的差值的绝对值以及纵坐标之间的差值的绝对值,分别记为第一绝对值和第二绝对值;
    获取所述第一绝对值在第一预定范围内以及所述第二绝对值在第二预定范围内的所述相对坐标值的数量;
    若所述数量大于等于第二预定值,则判断所述相对坐标值与预存的所述样本坐标值匹配。
  7. 根据权利要求4所述的方法,其中,所述在所述外部轮廓中选择所述人耳的三个部位建立参考坐标轴的步骤具体为:
    在所述外部轮廓中选择所述人耳的耳轮脚、耳屏和对耳屏建立参考坐标轴。
  8. 根据权利要求4所述的方法,其中,所述在移动终端有电话呼入时,每隔预定时间获取用户的人耳接触触摸屏时各接触点的压力值和坐标值的步骤之前,所述方法进一步包括步骤:
    获取合法用户的人耳的各部位相对于所述参考坐标轴的坐标值并存储至所述样本坐标值。
  9. 一种自动接听电话的移动终端,其中,所述移动终端包括触摸屏和数字信号处理单元;
    在移动终端有电话呼入时,所述触摸屏用于每隔预定时间获取当前用户的人耳接触所述触摸屏时各接触点的压力值和坐标值,其中所述压力值包括压力大小和压力面积;
    所述数字信号处理单元用于根据所述压力值和所述坐标值获取当前用户的所述人耳的外部轮廓,在所述外部轮廓中选择所述人耳的三个部位建立参考坐标轴,根据所述参考坐标轴获取与所述外部轮廓中各部位对应的各所述接触点的相对坐标值,将所述相对坐标值与预存的样本坐标值进行匹配,其中,所述样本坐标值为合法用户的人耳的各部位相对于所述参考坐标轴的坐标值;
    若所述数字信号处理单元判断所述相对坐标值与预存的所述样本坐标值相匹配,解锁所述移动终端并自动接听电话。
  10. 根据权利要求9所述的移动终端,其中,
    所述数字信号处理单元判断所述接触点的数量是否小于第一预定值;若小于所述第一预定值,则提示用户将人耳再次靠近并接触所述触摸屏;若大于等于所述第一预定值,所述数字信号处理单元执行所述根据所述压力值和所述坐标值获取当前用户的所述人耳的外部轮廓的操作。
  11. 根据权利要求10所述的移动终端,其中,
    所述数字信号处理单元获取所述相对坐标值和所述样本坐标值中对应于人耳的相同部位的横坐标之间的差值的绝对值以及纵坐标之间的差值的绝对值,分别记为第一绝对值和第二绝对值;
    所述数字信号处理单元获取所述第一绝对值在第一预定范围内以及所述第二绝对值在第二预定范围内的所述相对坐标值的数量;
    若所述数量大于等于第二预定值,所述数字信号处理单元判断所述相对坐标值与预存的所述样本坐标值相匹配。
  12. 根据权利要求9所述的移动终端,其中,所述数字信号处理单元在所述外部轮廓中选择所述人耳的耳轮脚、耳屏和对耳屏建立参考坐标轴。
  13. 根据权利要求9所述的移动终端,其中,所述移动终端进一步包括应用处理器,所述应用处理器用于将所述样本坐标值打包成所述数字信号处理单元可识别的固件后,控制所述数字信号处理单元由工作模式切换为下载模式并将所述固件下载至所述数字信号处理单元,接着继续控制所述数字信号处理单元由所述下载模式切换为所述工作模式。
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