TW201439890A - Method and system for adjusting fonts of an electronic device - Google Patents
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Abstract
Description
本發明涉及一種字體控制方法及系統，尤其是關於一種用於自動調整電子裝置中字體大小的方法及系統。The present invention relates to a font control method and system, and more particularly to a method and system for automatically adjusting a font size in an electronic device.
目前，手機已經成為生活中的必備工具，而手機在使用時還不具備自動調整字體大小的功能。在使用時，用戶位置和方向的變換均可能導致用戶臉部與手機的距離發生變化。當用戶臉部與手機的距離變遠，如果手機上的內容字體太小，則用戶看起來就不會太清晰。傳統的方法是需要用戶手動調整手機字體的大小，給用戶帶來不便。At present, mobile phones have become an indispensable tool in life, and the mobile phone does not have the function of automatically adjusting the font size when it is used. In use, the change in user position and orientation may cause the distance between the user's face and the phone to change. When the user's face is farther away from the phone, if the content font on the phone is too small, the user will not look too clear. The traditional method requires the user to manually adjust the size of the mobile phone font, which is inconvenient for the user.
鑒於以上內容，有必要提供一種字體調整方法及系統，可以根據用戶臉部與電子裝置顯示螢幕的距離自動調整電子裝置的字體大小。In view of the above, it is necessary to provide a font adjustment method and system, which can automatically adjust the font size of the electronic device according to the distance between the user's face and the electronic device display screen.
一種字體調整方法，該方法包括步驟：（a）設置電子裝置顯示的字體大小與用戶臉部到電子裝置的顯示螢幕的距離的關聯關係；（b）控制電子裝置的攝影單元打開，並利用電子裝置的臉部識別軟體每隔一個預設的時間間隔識別一次用戶臉部影像，以獲取在不同的時間點攝影單元的焦距；（c）根據攝影單元的像距及焦距計算在不同的時間點用戶臉部到顯示螢幕的距離；（d）根據當前時間點用戶臉部到顯示螢幕的當前距離及所述關聯關係確定當前時間點電子裝置的待顯示字體，並判斷是否改變電子裝置當前顯示的字體；及（e）當步驟（d）的判斷結果為改變電子裝置當前顯示的字體時，則調整顯示螢幕顯示的字體大小為所述待顯示字體。A font adjustment method, the method comprising the steps of: (a) setting a relationship between a font size displayed by an electronic device and a distance of a user's face to a display screen of the electronic device; (b) controlling the camera unit of the electronic device to be turned on, and utilizing the electronic The face recognition software of the device recognizes the user's face image every other preset time interval to obtain the focal length of the photographing unit at different time points; (c) calculates the time point according to the image unit's image distance and focal length at different time points (d) determining the font to be displayed of the electronic device at the current time point according to the current distance from the user's face to the display screen and the associated relationship at the current time point, and determining whether to change the current display of the electronic device And (e) when the judgment result of the step (d) is to change the font currently displayed by the electronic device, adjust the font size of the display screen to the font to be displayed.
一種字體調整系統，該系統包括：設置模組，用於接收用戶設置的電子裝置顯示的字體大小與用戶臉部到電子裝置的顯示螢幕的距離的關聯關係；獲取模組，用於控制電子裝置的攝影單元打開，並利用電子裝置的臉部識別軟體每隔一個預設的時間間隔識別一次用戶臉部影像，以獲取在不同的時間點攝影單元的焦距；計算模組，用於根據攝影單元的像距及焦距計算在不同的時間點用戶臉部到顯示螢幕的距離；確定模組，用於根據當前時間點用戶臉部到顯示螢幕的當前距離及所述關聯關係確定當前時間點電子裝置的待顯示字體，並判斷是否改變電子裝置當前顯示的字體；及調整模組，用於當是否改變電子裝置當前顯示的字體的判斷結果為改變電子裝置當前顯示的字體時，調整顯示螢幕顯示的字體大小為所述待顯示字體。A font adjustment system, comprising: a setting module, configured to receive a relationship between a font size displayed by a user-set electronic device and a distance from a user's face to a display screen of the electronic device; and an acquisition module for controlling the electronic device The photographing unit is turned on, and the facial recognition software of the electronic device is used to identify the user's facial image every other preset time interval to obtain the focal length of the photographing unit at different time points; the calculation module is used according to the photographing unit The image distance and the focal length calculate the distance from the user's face to the display screen at different time points; the determining module is configured to determine the current time point electronic device according to the current distance from the user's face to the display screen at the current time point and the associated relationship And the adjustment module is configured to adjust the display of the display screen when the determination result of the font currently displayed by the electronic device is changed to change the font currently displayed by the electronic device. The font size is the font to be displayed.
相較於習知技術，本發明所述之字體調整方法及系統，可以根據用戶臉部與電子裝置顯示螢幕的距離自動調整電子裝置的字體大小，方便了用戶。Compared with the prior art, the font adjustment method and system of the present invention can automatically adjust the font size of the electronic device according to the distance between the user's face and the electronic device to display the screen, which is convenient for the user.
100．．．電子裝置100. . . Electronic device
10．．．字體調整系統10. . . Font adjustment system
11．．．設置模組11. . . Setting module
12．．．獲取模組12. . . Get module
13．．．計算模組13. . . Computing module
14．．．確定模組14. . . Determine module
15．．．調整模組15. . . Adjustment module
20．．．儲存單元20. . . Storage unit
30．．．攝影單元30. . . Photography unit
40．．．臉部識別軟體40. . . Face recognition software
50．．．顯示螢幕50. . . Display screen
S10．．．設置的電子裝置顯示的字體大小與用戶臉部到顯示螢幕的距離的關聯關係S10. . . The relationship between the font size displayed by the set electronic device and the distance from the user's face to the display screen
S20．．．控制電子裝置的攝影單元打開，並利用電子裝置的臉部識別軟體每隔一個預設的時間間隔識別一次用戶臉部影像，以獲取在不同的時間點攝影單元的焦距S20. . . The photographing unit of the control electronic device is turned on, and the face recognition software of the electronic device is used to identify the user's face image every other preset time interval to obtain the focal length of the photographing unit at different time points.
S30．．．根據攝影單元的像距及所述焦距計算在不同的時間點用戶臉部到顯示螢幕的距離S30. . . Calculating the distance from the user's face to the display screen at different time points according to the image distance of the photographing unit and the focal length
S40．．．根據當前時間點用戶臉部到顯示螢幕的當前距離及所述關聯關係確定當前時間點電子裝置的待顯示字體，並判斷是否改變電子裝置當前顯示的字體S40. . . Determining, according to the current distance from the user's face to the display screen and the associated relationship, the font to be displayed of the electronic device at the current time point, and determining whether to change the font currently displayed by the electronic device
S50．．．根據是否改變電子裝置當前顯示的字體的判斷結果調整顯示螢幕顯示的字體大小S50. . . Adjusting the font size of the display screen according to whether or not to change the judgment result of the font currently displayed by the electronic device
圖1係為本發明字體調整系統較佳實施例之硬體架構圖。1 is a hardware architecture diagram of a preferred embodiment of the font adjustment system of the present invention.
圖2係為本發明字體調整方法較佳實施例之流程圖。2 is a flow chart of a preferred embodiment of the font adjustment method of the present invention.
圖3係為本發明字體調整方法較佳實施例中判斷是否改變電子裝置當前顯示的字體之流程圖。FIG. 3 is a flow chart of determining whether to change the font currently displayed by the electronic device in the preferred embodiment of the font adjustment method of the present invention.
參閱圖1所示，係為本發明字體調整系統較佳實施例之硬體架構圖。該字體調整系統10運行於電子裝置100中。該電子裝置100可以為平板電腦、手機、電子書等。該電子裝置100還包括部件，如儲存單元20、攝影單元30、臉部識別軟體40、及顯示螢幕50。電子裝置的部件10-50透過系統匯流排進行通訊。所述儲存單元20用於儲存電子裝置100中的資料。所述字體調整系統10用於自動調整電子裝置100顯示字體的大小，所述顯示字體可以為顯示在電子裝置100的顯示螢幕50上的任何字體，如閱讀軟體顯示的字體、短信中的字體等。所述字體調整系統10包括設置模組11、獲取模組12、計算模組13、確定模組14及調整模組15。所述模組11-15包括電腦化程式指令。Referring to FIG. 1, it is a hardware architecture diagram of a preferred embodiment of the font adjustment system of the present invention. The font adjustment system 10 operates in the electronic device 100. The electronic device 100 can be a tablet computer, a mobile phone, an e-book, or the like. The electronic device 100 further includes components such as a storage unit 20, a photographing unit 30, a face recognition software 40, and a display screen 50. The components 10-50 of the electronic device communicate via the system bus. The storage unit 20 is configured to store data in the electronic device 100. The font adjustment system 10 is configured to automatically adjust the size of the font displayed by the electronic device 100. The display font may be any font displayed on the display screen 50 of the electronic device 100, such as a font displayed by the software, a font in the short message, and the like. . The font adjustment system 10 includes a setting module 11 , an acquisition module 12 , a calculation module 13 , a determination module 14 , and an adjustment module 15 . The modules 11-15 include computerized program instructions.
設置模組11用於接收用戶設置的電子裝置100顯示的字體大小與用戶臉部到顯示螢幕50的距離的關聯關係。這裡的用戶為使用電子裝置100的用戶。The setting module 11 is configured to receive a relationship between a font size displayed by the electronic device 100 set by the user and a distance from the user's face to the display screen 50. The user here is a user who uses the electronic device 100.
在本實施例中，所述關聯關係可以包括：當用戶臉部到顯示螢幕50的距離小於或等於第一預設閥值（例如10釐米）時，電子裝置100顯示的字體為第一預設字體(例如五號字)；當用戶臉部到顯示螢幕50的距離大於或等於第二預設閥值（例如30釐米）時，電子裝置100顯示的字體為第二預設字體(例如三號字)；當用戶臉部到顯示螢幕50的距離在所述第一預設閥值及第二預設閥值之間時，電子裝置100顯示的字體為第三預設字體(例如四號字)。在其他實施例中，也可以再設置多個預設閥值，該多個預設閥值可將用戶臉部到顯示螢幕50的距離再細分，細分後的不同預設閥值區間對應不同的預設字體，以實現更精細的顯示字體的調整。In this embodiment, the association relationship may include: when the distance from the user's face to the display screen 50 is less than or equal to a first preset threshold (for example, 10 cm), the font displayed by the electronic device 100 is the first preset. The font (for example, the fifth character); when the distance from the user's face to the display screen 50 is greater than or equal to the second preset threshold (for example, 30 cm), the font displayed by the electronic device 100 is the second preset font (for example, the third number) When the distance from the user's face to the display screen 50 is between the first preset threshold and the second preset threshold, the font displayed by the electronic device 100 is a third preset font (for example, the fourth character) ). In other embodiments, a plurality of preset thresholds may be further set, and the plurality of preset thresholds may subdivide the distance from the user's face to the display screen 50, and the different preset threshold ranges corresponding to the subdivisions correspond to different ones. Preset fonts for finer display font adjustments.
獲取模組12控制攝影單元30打開，並利用所述臉部識別軟體40每隔一個預設的時間間隔識別一次用戶臉部影像，以獲取在不同的時間點攝影單元30的焦距。該預設的時間間隔由系統或用戶預設，如為2秒。所述時間點由所述預設的時間間隔分割而成，當前時間點與前一個時間點或下一個時間點相差的時間即為所述預設的時間間隔。在透過臉部識別軟體40識別用戶臉部影像的過程中，攝影單元30可自動對焦並獲得焦距。該攝影單元30可為電子裝置100內置的攝像鏡頭，或為外接於電子裝置100的攝像裝置。The acquisition module 12 controls the photographing unit 30 to open, and uses the facial recognition software 40 to recognize the user's facial image every other predetermined time interval to obtain the focal length of the photographing unit 30 at different time points. The preset time interval is preset by the system or the user, for example, 2 seconds. The time point is divided by the preset time interval, and the time difference between the current time point and the previous time point or the next time point is the preset time interval. In the process of recognizing the user's face image through the face recognition software 40, the photographing unit 30 can automatically focus and obtain the focal length. The photographing unit 30 may be an imaging lens built in the electronic device 100 or an imaging device externally connected to the electronic device 100.
計算模組13根據攝影單元30的像距及所述焦距計算在不同的時間點用戶臉部到顯示螢幕50的距離。每個攝影單元30的像距是已知的，根據已知的像距及上述獲取的焦距，利用公式：1/焦距=1/物距+1/像距，可計算得到用戶臉部到顯示螢幕50的距離（即為公式中的物距）。The calculation module 13 calculates the distance from the user's face to the display screen 50 at different time points according to the image distance of the photographing unit 30 and the focal length. The image distance of each photographing unit 30 is known. According to the known image distance and the focal length obtained above, the user's face can be calculated by using the formula: 1/focal length=1/object distance+1/image distance. The distance of the screen 50 (ie, the object distance in the formula).
確定模組14根據當前時間點用戶臉部到顯示螢幕的當前距離及所述關聯關係確定當前時間點電子裝置100的待顯示字體，以判斷是否改變電子裝置100當前顯示的字體。例如，若電子裝置100當前顯示的字體的五號字，當用戶臉部到顯示螢幕50的當前距離為8釐米，小於所述第一預設閥值10釐米時，確定模組14確定當前時間點電子裝置100的待顯示字體也為五號字，並判斷不需要改變電子裝置100當前顯示的字體；當用戶臉部到顯示螢幕50的當前距離為31釐米，大於所述第二預設閥值時，確定模組14確定當前時間點電子裝置100的待顯示字體為三號字，並判斷需要改變電子裝置100當前顯示的字體；當用戶臉部到顯示螢幕50的當前距離為20釐米，在所述第一預設閥值及第二預設閥值之間時，確定模組14確定當前時間點電子裝置100的待顯示字體為四號字，並判斷需要改變電子裝置100當前顯示的字體。所述待顯示字體是指將要或可能要顯示在顯示螢幕50上的字體。The determining module 14 determines the font to be displayed of the electronic device 100 at the current time point according to the current distance from the user's face to the display screen and the associated relationship at the current time point to determine whether to change the font currently displayed by the electronic device 100. For example, if the fifth character of the font currently displayed by the electronic device 100, when the current distance from the user's face to the display screen 50 is 8 cm, less than the first preset threshold value of 10 cm, the determining module 14 determines the current time. The font to be displayed of the point electronic device 100 is also a fifth character, and it is judged that the font currently displayed by the electronic device 100 does not need to be changed; when the current distance from the user's face to the display screen 50 is 31 cm, which is larger than the second preset valve. When the value is determined, the determining module 14 determines that the font to be displayed of the electronic device 100 is the third character at the current time point, and determines that the font currently displayed by the electronic device 100 needs to be changed; when the current distance from the user's face to the display screen 50 is 20 cm, The determination module 14 determines that the font to be displayed of the electronic device 100 is the fourth character at the current time point, and determines that the current display of the electronic device 100 needs to be changed. Font. The font to be displayed refers to a font that is to be or may be displayed on the display screen 50.
上述實施例，確定模組14直接根據所述當前時間點電子裝置100的待顯示字體判斷是否改變電子裝置100當前顯示的字體。In the above embodiment, the determining module 14 determines whether to change the font currently displayed by the electronic device 100 according to the font to be displayed of the electronic device 100 at the current time point.
在其他實施例中，所述確定模組14還可以根據當前時間點電子裝置100的待顯示字體、電子裝置100當前顯示的字體及下一個時間點電子裝置100的待顯示字體等，判斷是否改變電子裝置100當前顯示的字體。In other embodiments, the determining module 14 may further determine whether to change according to the font to be displayed of the electronic device 100, the font currently displayed by the electronic device 100, and the font to be displayed of the electronic device 100 at the next time point. The font currently displayed by the electronic device 100.
例如，在第一實施例中，確定模組14還可在確定當前時間點電子裝置100的待顯示字體後，加入補償範圍的考量，以判斷是否改變電子裝置100當前顯示的字體。該補償範圍由上述的預設閥值（包括第一預設閥值和第二預設閥值）及一個預設補償值確定，如為[第一預設閥值－預設補償值，第一預設閥值＋預設補償值]。該預設補償值由用戶或系統決定，如為0.5釐米。當用戶臉部到顯示螢幕50的距離在所述預設閥值的左右不停變動時，所述補償範圍的運用可防止電子裝置100的顯示字體隨之不斷改變，從而影響用戶體驗。For example, in the first embodiment, the determining module 14 may further add a compensation range consideration to determine whether to change the font currently displayed by the electronic device 100 after determining the font to be displayed of the electronic device 100 at the current time point. The compensation range is determined by the preset threshold (including the first preset threshold and the second preset threshold) and a preset compensation value, such as [first preset threshold - preset compensation value, A preset threshold + preset compensation value]. The preset compensation value is determined by the user or the system, for example, 0.5 cm. When the distance from the user's face to the display screen 50 is constantly changing around the preset threshold, the use of the compensation range can prevent the display font of the electronic device 100 from continuously changing, thereby affecting the user experience.
具體步驟如下：若當前時間點用戶臉部到顯示螢幕50的當前距離不在所述預設閥值的補償範圍內，確定模組14根據所述當前時間點電子裝置100的待顯示字體判斷是否改變電子裝置100當前顯示的字體，即：判斷當前時間點電子裝置100的待顯示字體與電子裝置100當前顯示的字體是否相同，若當前時間點電子裝置100的待顯示字體與電子裝置100當前顯示的字體不同，則判定改變電子裝置當前顯示的字體，將其變成所述當前時間點電子裝置100的待顯示字體；若當前時間點電子裝置100的待顯示字體與電子裝置100當前顯示的字體相同，則判定不改變電子裝置當前顯示的字體。若當前時間點用戶臉部到顯示螢幕50的當前距離在所述預設閥值的補償範圍內，確定模組14還應判斷當前時間點與前一個時間點用戶臉部到顯示螢幕50的距離是否在相同的預設閥值的補償範圍內，以判斷是否改變電子裝置100當前顯示的字體。若當前時間點與前一個時間點用戶臉部到顯示螢幕50的距離在相同的預設閥值的補償範圍內，則確定模組14判定不改變電子裝置100當前顯示的字體。若當前時間點與前一個時間點用戶臉部到顯示螢幕50的距離不在相同的預設閥值的補償範圍內，則確定模組14判定改變電子裝置100當前顯示的字體，將其變成所述當前時間點電子裝置100的待顯示字體。The specific steps are as follows: if the current distance from the user's face to the display screen 50 is not within the compensation range of the preset threshold, the determination module 14 determines whether to change according to the font to be displayed of the electronic device 100 at the current time point. The font currently displayed by the electronic device 100, that is, whether the font to be displayed of the electronic device 100 and the font currently displayed by the electronic device 100 are the same at the current time point, if the font to be displayed of the electronic device 100 and the electronic device 100 are currently displayed at the current time point. If the font is different, it is determined that the font currently displayed by the electronic device is changed to be the font to be displayed of the electronic device 100 at the current time point; if the font to be displayed of the electronic device 100 is the same as the font currently displayed by the electronic device 100 at the current time point, Then, it is determined that the font currently displayed by the electronic device is not changed. If the current distance from the user's face to the display screen 50 is within the compensation range of the preset threshold, the determination module 14 should also determine the distance from the user's face to the display screen 50 at the current time point and the previous time point. Whether it is within the compensation range of the same preset threshold to determine whether to change the font currently displayed by the electronic device 100. If the current time point is within the compensation range of the same preset threshold from the face of the user to the display screen 50 at the previous time point, the determination module 14 determines not to change the font currently displayed by the electronic device 100. If the current time point is not within the compensation range of the preset threshold value from the face of the user to the display screen 50 at the previous time point, the determination module 14 determines to change the font currently displayed by the electronic device 100, and turns it into the The font to be displayed of the electronic device 100 at the current time point.
例如，當前時間點用戶臉部到顯示螢幕50的距離為10.2釐米，前一個時間點用戶臉部到顯示螢幕50的距離為9.9釐米，兩者都在[10釐米－0.5釐米，10釐米＋0.5釐米]這一預設閥值的補償範圍內，則確定模組14判定不需要改變電子裝置100當前顯示的字體，即原來顯示螢幕50的顯示字體為五號字體，還是維持該五號字體。而當當前時間點用戶臉部到顯示螢幕50的距離為10.2釐米，在[10釐米－0.5釐米，10釐米＋0.5釐米]這一預設閥值的補償範圍內，而前一個時間點用戶臉部到顯示螢幕50的距離為30.1釐米，在[30釐米－0.5釐米，30釐米＋0.5釐米]這一預設閥值的補償範圍內，則確定模組14判定需要改變電子裝置100當前顯示的字體，將三號字體變成當前時間點電子裝置100的待顯示字體，即四號字體。For example, the distance from the user's face to the display screen 50 at the current time point is 10.2 cm, and the distance from the user's face to the display screen 50 at the previous time point is 9.9 cm, both of which are [10 cm - 0.5 cm, 10 cm + 0. 5 cm] within the compensation range of the preset threshold, the determination module 14 determines that it is not necessary to change the font currently displayed by the electronic device 100, that is, the display font of the original display screen 50 is the fifth font, or the fifth font is maintained. . When the user's face reaches the display screen 50 at the current time point, the distance is 10.2 cm, within the compensation range of [10 cm - 0.5 cm, 10 cm + 0.5 cm], and the user at the previous time point. The distance from the face to the display screen 50 is 30.1 cm, and within the compensation range of the preset threshold of [30 cm - 0.5 cm, 30 cm + 0.5 cm], it is determined that the module 14 determines that it is necessary to change the current state of the electronic device 100. The font displayed is changed to the font to be displayed of the electronic device 100 at the current time point, that is, the fourth font.
在第二實施例中，確定模組14在確定是否改變顯示螢幕50的顯示字體時，不但考慮電子裝置100當前顯示的字體、所述當前時間點電子裝置100的待顯示字體，還會考慮到及下一個時間點電子裝置100的待顯示字體，從而防止因相鄰的不同時間點顯示的字體大小不同而導致的頻繁調整。In the second embodiment, when determining whether to change the display font of the display screen 50, the determining module 14 not only considers the font currently displayed by the electronic device 100, the font to be displayed of the electronic device 100 at the current time point, but also considers And the font to be displayed of the electronic device 100 at the next time point, thereby preventing frequent adjustments caused by different font sizes displayed at adjacent different time points.
具體步驟如下：確定模組14判斷所述當前時間點電子裝置100的待顯示字體與電子裝置100當前顯示的字體是否相同，以判斷是否改變電子裝置100當前顯示的字體。當所述當前時間點電子裝置100的待顯示字體與電子裝置100當前顯示的字體相同時，確定模組14判定不改變電子裝置100當前顯示的字體。當所述當前時間點電子裝置100的待顯示字體與電子裝置100當前顯示的字體不同時，確定模組14也暫時不改變電子裝置100當前顯示的字體，而是讀取下一個時間點電子裝置100的待顯示字體，並判斷所述當前時間點電子裝置100的待顯示字體與下一個時間點電子裝置100的待顯示字體是否相同。當所述當前時間點電子裝置100的待顯示字體與下一個時間點電子裝置100的待顯示字體不同時，確定模組14判定不改變電子裝置100當前顯示的字體。當所述當前時間點電子裝置100的待顯示字體與下一個時間點電子裝置100的待顯示字體相同時，確定模組14判定改變電子裝置100當前顯示的字體，將其變成所述當前時間點電子裝置100的待顯示字體。The specific steps are as follows: The determining module 14 determines whether the font to be displayed of the electronic device 100 and the font currently displayed by the electronic device 100 are the same at the current time point to determine whether to change the font currently displayed by the electronic device 100. When the font to be displayed of the electronic device 100 is the same as the font currently displayed by the electronic device 100, the determination module 14 determines not to change the font currently displayed by the electronic device 100. When the font to be displayed of the electronic device 100 is different from the font currently displayed by the electronic device 100, the determining module 14 also temporarily does not change the font currently displayed by the electronic device 100, but reads the electronic device at the next time point. The font to be displayed of 100 is determined, and it is determined whether the font to be displayed of the electronic device 100 at the current time point is the same as the font to be displayed of the electronic device 100 at the next time point. When the font to be displayed of the electronic device 100 at the current time point is different from the font to be displayed of the electronic device 100 at the next time point, the determination module 14 determines not to change the font currently displayed by the electronic device 100. When the font to be displayed of the electronic device 100 at the current time point is the same as the font to be displayed of the electronic device 100 at the next time point, the determining module 14 determines to change the font currently displayed by the electronic device 100, and changes the font to the current time point. The font to be displayed of the electronic device 100.
在第三實施例中，確定模組14可將第二實施例及第三實施例結合，以確定是否改變電子裝置100當前顯示的字體。In the third embodiment, the determination module 14 can combine the second embodiment and the third embodiment to determine whether to change the font currently displayed by the electronic device 100.
調整模組15根據上述是否改變電子裝置100當前顯示的字體的判斷結果調整顯示螢幕50顯示的字體大小。The adjustment module 15 adjusts the font size displayed on the display screen 50 according to whether or not the determination result of changing the font currently displayed by the electronic device 100 is changed.
參閱圖2所示，係為本發明字體調整方法較佳實施例之流程圖。Referring to FIG. 2, it is a flowchart of a preferred embodiment of the font adjustment method of the present invention.
步驟S10，設置模組11接收用戶設置的電子裝置100顯示的字體大小與用戶臉部到顯示螢幕50的距離的關聯關係。例如，所述關聯關係可以包括：當用戶臉部到顯示螢幕50的距離小於或等於第一預設閥值（例如10釐米）時，電子裝置100顯示的字體為第一預設字體(例如五號字)；當用戶臉部到顯示螢幕50的距離大於或等於第二預設閥值（例如30釐米）時，電子裝置100顯示的字體為第二預設字體(例如三號字)；當用戶臉部到顯示螢幕50的距離在所述第一預設閥值及第二預設閥值之間時，電子裝置100顯示的字體為第三預設字體(例如四號字)。In step S10, the setting module 11 receives the association relationship between the font size displayed by the electronic device 100 set by the user and the distance from the user's face to the display screen 50. For example, the association relationship may include: when the distance from the user's face to the display screen 50 is less than or equal to a first preset threshold (for example, 10 cm), the font displayed by the electronic device 100 is a first preset font (for example, five When the distance from the user's face to the display screen 50 is greater than or equal to a second preset threshold (for example, 30 cm), the font displayed by the electronic device 100 is a second preset font (for example, the third word); When the distance from the user's face to the display screen 50 is between the first preset threshold and the second preset threshold, the font displayed by the electronic device 100 is a third preset font (for example, a fourth character).
步驟S20，獲取模組12控制攝影單元30打開，並利用所述臉部識別軟體40每隔一個預設的時間間隔識別一次用戶臉部影像，以獲取在不同的時間點攝影單元30的焦距。該預設的時間間隔由系統或用戶預設，如為2秒。在透過臉部識別軟體40識別用戶臉部影像的過程中，攝影單元30可自動對焦並獲得焦距。In step S20, the acquisition module 12 controls the photographing unit 30 to open, and uses the facial recognition software 40 to identify the user's facial image every other preset time interval to obtain the focal length of the photographing unit 30 at different time points. The preset time interval is preset by the system or the user, for example, 2 seconds. In the process of recognizing the user's face image through the face recognition software 40, the photographing unit 30 can automatically focus and obtain the focal length.
步驟S30，計算模組13根據攝影單元30的像距及所述焦距計算在不同的時間點用戶臉部到顯示螢幕50的距離。每個攝影單元30的像距是已知的，根據已知的像距及上述獲取的焦距，利用公式：1/焦距=1/物距+1/像距，可計算得到用戶臉部到顯示螢幕50的距離（即為公式中的物距）。In step S30, the calculation module 13 calculates the distance from the user's face to the display screen 50 at different time points according to the image distance of the photographing unit 30 and the focal length. The image distance of each photographing unit 30 is known. According to the known image distance and the focal length obtained above, the user's face can be calculated by using the formula: 1/focal length=1/object distance+1/image distance. The distance of the screen 50 (ie, the object distance in the formula).
步驟S40，確定模組14根據當前時間點用戶臉部到顯示螢幕的當前距離及所述關聯關係確定當前時間點電子裝置100的待顯示字體，以判斷是否改變電子裝置100當前顯示的字體。例如，若電子裝置100當前顯示的字體的五號字，當用戶臉部到顯示螢幕50的當前距離為8釐米，小於所述第一預設閥值10釐米時，確定模組14確定當前時間點電子裝置100的待顯示字體也為五號字，因此，判斷不需要改變電子裝置100當前顯示的字體；當用戶臉部到顯示螢幕50的當前距離為31釐米，大於所述第二預設閥值時，確定模組14確定當前時間點電子裝置100的待顯示字體為三號字，判斷需要改變電子裝置100當前顯示的字體；當用戶臉部到顯示螢幕50的當前距離為20釐米，在所述第一預設閥值及第二預設閥值之間時，確定模組14確定當前時間點電子裝置100的待顯示字體為四號字，判斷需要改變電子裝置100當前顯示的字體。In step S40, the determining module 14 determines the font to be displayed of the electronic device 100 at the current time point according to the current distance from the user's face to the display screen and the associated relationship at the current time point to determine whether to change the font currently displayed by the electronic device 100. For example, if the fifth character of the font currently displayed by the electronic device 100, when the current distance from the user's face to the display screen 50 is 8 cm, less than the first preset threshold value of 10 cm, the determining module 14 determines the current time. The font to be displayed of the point electronic device 100 is also a fifth character. Therefore, it is determined that the font currently displayed by the electronic device 100 does not need to be changed; when the current distance from the user's face to the display screen 50 is 31 cm, which is greater than the second preset. At the threshold, the determining module 14 determines that the font to be displayed of the electronic device 100 is the third character at the current time point, and determines that the font currently displayed by the electronic device 100 needs to be changed; when the current distance from the user's face to the display screen 50 is 20 cm, The determination module 14 determines that the font to be displayed of the electronic device 100 is the fourth character at the current time point, and determines that the font currently displayed by the electronic device 100 needs to be changed. .
上述實施例，確定模組14直接根據所述當前時間點電子裝置100的待顯示字體判斷是否改變電子裝置100當前顯示的字體。In the above embodiment, the determining module 14 determines whether to change the font currently displayed by the electronic device 100 according to the font to be displayed of the electronic device 100 at the current time point.
需要說明的是，在其他實施例中，確定模組14還可以根據所述當前時間點電子裝置100的待顯示字體、電子裝置100當前顯示的字體及下一個時間點電子裝置100的待顯示字體等，來判斷是否改變電子裝置100當前顯示的字體。所述判斷過程將在圖3中進行詳細介紹。It should be noted that, in other embodiments, the determining module 14 may further display a font to be displayed of the electronic device 100, a font currently displayed by the electronic device 100, and a font to be displayed of the electronic device 100 according to the current time point. Etc., to determine whether to change the font currently displayed by the electronic device 100. The judgment process will be described in detail in FIG.
步驟S50，調整模組15根據上述是否改變電子裝置100當前顯示的字體的判斷結果調整顯示螢幕50顯示的字體大小。In step S50, the adjustment module 15 adjusts the font size displayed on the display screen 50 according to the determination result of whether to change the font currently displayed by the electronic device 100.
參閱圖3所示，係為本發明字體調整方法較佳實施例中判斷是否改變電子裝置100當前顯示的字體之流程圖。Referring to FIG. 3, it is a flowchart of determining whether to change the font currently displayed by the electronic device 100 in the preferred embodiment of the font adjustment method of the present invention.
步驟S500，確定模組14判斷所述當前時間點電子裝置100的待顯示字體與電子裝置100當前顯示的字體是否相同。當所述當前時間點電子裝置100的待顯示字體與電子裝置100當前顯示的字體不同時，執行步驟S510。否則，執行步驟S540。In step S500, the determining module 14 determines whether the font to be displayed of the electronic device 100 at the current time point is the same as the font currently displayed by the electronic device 100. When the font to be displayed of the electronic device 100 at the current time point is different from the font currently displayed by the electronic device 100, step S510 is performed. Otherwise, step S540 is performed.
步驟S510，確定模組14讀取下一個時間點電子裝置100的待顯示字體。In step S510, the determining module 14 reads the font to be displayed of the electronic device 100 at the next time point.
步驟S520，確定模組14判斷所述當前時間點電子裝置100的待顯示字體與下一個時間點電子裝置100的待顯示字體是否相同。當所述當前時間點電子裝置100的待顯示字體與下一個時間點電子裝置100的待顯示字體不同，執行步驟S540。否則，執行步驟S530。In step S520, the determining module 14 determines whether the font to be displayed of the electronic device 100 at the current time point is the same as the font to be displayed of the electronic device 100 at the next time point. When the font to be displayed of the electronic device 100 at the current time point is different from the font to be displayed of the electronic device 100 at the next time point, step S540 is performed. Otherwise, step S530 is performed.
步驟S530，確定模組14判定改變電子裝置100當前顯示的字體，將其變成所述當前時間點電子裝置100的待顯示字體。In step S530, the determining module 14 determines to change the font currently displayed by the electronic device 100, and changes it to the font to be displayed of the electronic device 100 at the current time point.
步驟S540，確定模組14判定不改變電子裝置100當前顯示的字體。In step S540, the determination module 14 determines not to change the font currently displayed by the electronic device 100.
綜上所述，本發明符合發明專利要件，爰依法提出專利申請。惟，以上所述者僅爲本發明之較佳實施例，本發明之範圍並不以上述實施例爲限，舉凡熟悉本案技藝之人士爰依本發明之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍內。In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and equivalent modifications or variations made by those skilled in the art in accordance with the spirit of the present invention are It should be covered by the following patent application.
S10．．．設置的電子裝置顯示的字體大小與用戶臉部到顯示螢幕的距離的關聯關係S10. . . The relationship between the font size displayed by the set electronic device and the distance from the user's face to the display screen
S20．．．控制電子裝置的攝影單元打開，並利用電子裝置的臉部識別軟體每隔一個預設的時間間隔識別一次用戶臉部影像，以獲取在不同的時間點攝影單元的焦距S20. . . The photographing unit of the control electronic device is turned on, and the face recognition software of the electronic device is used to identify the user's face image every other preset time interval to obtain the focal length of the photographing unit at different time points.
S30．．．根據攝影單元的像距及所述焦距計算在不同的時間點用戶臉部到顯示螢幕的距離S30. . . Calculating the distance from the user's face to the display screen at different time points according to the image distance of the photographing unit and the focal length
S40．．．根據當前時間點用戶臉部到顯示螢幕的當前距離及所述關聯關係確定當前時間點電子裝置的待顯示字體，並判斷是否改變電子裝置當前顯示的字體S40. . . Determining, according to the current distance from the user's face to the display screen and the associated relationship, the font to be displayed of the electronic device at the current time point, and determining whether to change the font currently displayed by the electronic device
S50．．．根據是否改變電子裝置當前顯示的字體的判斷結果調整顯示螢幕顯示的字體大小S50. . . Adjusting the font size of the display screen according to whether or not to change the judgment result of the font currently displayed by the electronic device
Claims (10)
設置步驟：設置電子裝置顯示的字體大小與用戶臉部到電子裝置的顯示螢幕的距離的關聯關係；
獲取步驟：控制電子裝置的攝影單元打開，並利用電子裝置的臉部識別軟體每隔一個預設的時間間隔識別一次用戶臉部影像，以獲取在不同的時間點攝影單元的焦距；
計算步驟：根據攝影單元的像距及所述焦距計算在不同的時間點用戶臉部到顯示螢幕的距離；
確定步驟：根據當前時間點用戶臉部到顯示螢幕的當前距離及所述關聯關係確定當前時間點電子裝置的待顯示字體，並判斷是否改變電子裝置當前顯示的字體；及
調整步驟：當確定步驟的判斷結果為改變電子裝置當前顯示的字體時，則調整顯示螢幕顯示的字體大小為所述待顯示字體。A font adjustment method, wherein the method comprises:
Setting step: setting an association relationship between a font size displayed by the electronic device and a distance from the user's face to the display screen of the electronic device;
Obtaining step: controlling the photographing unit of the electronic device to be turned on, and using the facial recognition software of the electronic device to identify the user's facial image every other preset time interval to obtain the focal length of the photographing unit at different time points;
Calculating step: calculating a distance from the user's face to the display screen at different time points according to the image distance of the photographing unit and the focal length;
Determining step: determining a font to be displayed of the electronic device at the current time point according to the current distance from the user's face to the display screen at the current time point and the association relationship, and determining whether to change the font currently displayed by the electronic device; and adjusting step: when determining step When the judgment result is that the font currently displayed by the electronic device is changed, the font size of the display screen is adjusted to be the font to be displayed.
若當前時間點用戶臉部到顯示螢幕的當前距離不在所述預設閥值的補償範圍內，判斷當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體是否相同；
若當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體不同，則判定改變電子裝置當前顯示的字體；
若當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體相同，則判定不改變電子裝置當前顯示的字體；
若當前時間點用戶臉部到顯示螢幕的當前距離在所述預設閥值的補償範圍內，判斷當前時間點與前一個時間點用戶臉部到顯示螢幕的距離是否在相同的預設閥值的補償範圍內；
若當前時間點與前一個時間點用戶臉部到顯示螢幕的距離在相同的預設閥值的補償範圍內，則判定不改變電子裝置當前顯示的字體；及
若當前時間點與前一個時間點用戶臉部到顯示螢幕的距離不在相同的預設閥值的補償範圍內，則判定改變電子裝置當前顯示的字體。The font adjustment method of claim 3, wherein determining whether to change the font currently displayed by the electronic device in the determining step comprises:
If the current distance from the user's face to the display screen is not within the compensation range of the preset threshold, it is determined whether the font to be displayed of the electronic device is the same as the currently displayed font of the electronic device at the current time point;
If the font to be displayed of the electronic device is different from the font currently displayed by the electronic device at the current time point, determining to change the font currently displayed by the electronic device;
If the font to be displayed of the electronic device is the same as the font currently displayed by the electronic device at the current time point, determining that the font currently displayed by the electronic device is not changed;
If the current distance from the user's face to the display screen is within the compensation range of the preset threshold at the current time point, it is determined whether the distance between the current time point and the user's face to the display screen at the previous time point is at the same preset threshold. Within the scope of compensation;
If the current time point is within the compensation range of the same preset threshold from the face of the user to the display screen at the previous time point, it is determined that the font currently displayed by the electronic device is not changed; and if the current time point and the previous time point If the distance from the user's face to the display screen is not within the compensation range of the same preset threshold, it is determined to change the font currently displayed by the electronic device.
判斷所述當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體是否相同；
當所述當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體相同時，判定不改變電子裝置當前顯示的字體；
當所述當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體不同時，讀取下一個時間點電子裝置的待顯示字體，並判斷所述當前時間點電子裝置的待顯示字體與下一個時間點電子裝置的待顯示字體是否相同；
當所述當前時間點電子裝置的待顯示字體與下一個時間點電子裝置的待顯示字體不同時，判定不改變電子裝置當前顯示的字體；及
當所述當前時間點電子裝置的待顯示字體與下一個時間點電子裝置的待顯示字體相同時，判定改變電子裝置當前顯示的字體。The font adjustment method of claim 1, wherein determining whether to change the font currently displayed by the electronic device in the determining step comprises:
Determining whether the font to be displayed of the electronic device at the current time point is the same as the font currently displayed by the electronic device;
When the font to be displayed of the electronic device is the same as the font currently displayed by the electronic device, determining that the font currently displayed by the electronic device is not changed;
When the font to be displayed of the electronic device is different from the font currently displayed by the electronic device, the font to be displayed of the electronic device is read at the next time point, and the font to be displayed of the electronic device at the current time point is determined. Whether the fonts to be displayed of the electronic device are the same at one time point;
When the font to be displayed of the electronic device at the current time point is different from the font to be displayed of the electronic device at the next time point, determining that the font currently displayed by the electronic device is not changed; and the font to be displayed of the electronic device at the current time point When the fonts to be displayed of the electronic device are the same at the next time point, it is determined to change the font currently displayed by the electronic device.
設置模組，用於接收用戶設置的電子裝置顯示的字體大小與用戶臉部到電子裝置的顯示螢幕的距離的關聯關係；
獲取模組，用於控制電子裝置的攝影單元打開，並利用電子裝置的臉部識別軟體每隔一個預設的時間間隔識別一次用戶臉部影像，以獲取在不同的時間點攝影單元的焦距；
計算模組，用於根據攝影單元的像距及所述焦距計算在不同的時間點用戶臉部到顯示螢幕的距離；
確定模組，用於根據當前時間點用戶臉部到顯示螢幕的當前距離及所述關聯關係確定當前時間點電子裝置的待顯示字體，並判斷是否改變電子裝置當前顯示的字體；及
調整模組，用於當是否改變電子裝置當前顯示的字體的判斷結果為改變電子裝置當前顯示的字體時，調整顯示螢幕顯示的字體大小為所述待顯示字體。A font adjustment system, wherein the system comprises:
a setting module, configured to receive a relationship between a font size displayed by the electronic device set by the user and a distance from the user's face to the display screen of the electronic device;
Obtaining a module for controlling the opening of the photographing unit of the electronic device, and using the facial recognition software of the electronic device to identify the user's facial image every other preset time interval to obtain the focal length of the photographing unit at different time points;
a calculation module, configured to calculate a distance from the user's face to the display screen at different time points according to the image distance of the photographing unit and the focal length;
a determining module, configured to determine a font to be displayed of the electronic device at the current time point according to the current distance from the user's face to the display screen and the associated relationship at the current time point, and determine whether to change the font currently displayed by the electronic device; and adjust the module For determining whether to change the font currently displayed by the electronic device to change the font currently displayed by the electronic device, adjusting the font size of the display screen to the font to be displayed.
若當前時間點用戶臉部到顯示螢幕的當前距離不在所述預設閥值的補償範圍內，判斷當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體是否相同；
若當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體不同，則判定改變電子裝置當前顯示的字體；
若當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體相同，則判定不改變電子裝置當前顯示的字體；
若當前時間點用戶臉部到顯示螢幕的當前距離在所述預設閥值的補償範圍內，判斷當前時間點與前一個時間點用戶臉部到顯示螢幕的距離是否在相同的預設閥值的補償範圍內；
若當前時間點與前一個時間點用戶臉部到顯示螢幕的距離在相同的預設閥值的補償範圍內，則判定不改變電子裝置當前顯示的字體；及
若當前時間點與前一個時間點用戶臉部到顯示螢幕的距離不在相同的預設閥值的補償範圍內，則判定改變電子裝置當前顯示的字體。The font adjustment system of claim 8, wherein the determining module determines whether to change a font currently displayed by the electronic device by using the following steps:
If the current distance from the user's face to the display screen is not within the compensation range of the preset threshold, it is determined whether the font to be displayed of the electronic device is the same as the currently displayed font of the electronic device at the current time point;
If the font to be displayed of the electronic device is different from the font currently displayed by the electronic device at the current time point, determining to change the font currently displayed by the electronic device;
If the font to be displayed of the electronic device is the same as the font currently displayed by the electronic device at the current time point, determining that the font currently displayed by the electronic device is not changed;
If the current distance from the user's face to the display screen is within the compensation range of the preset threshold at the current time point, it is determined whether the distance between the current time point and the user's face to the display screen at the previous time point is at the same preset threshold. Within the scope of compensation;
If the current time point is within the compensation range of the same preset threshold from the face of the user to the display screen at the previous time point, it is determined that the font currently displayed by the electronic device is not changed; and if the current time point and the previous time point If the distance from the user's face to the display screen is not within the compensation range of the same preset threshold, it is determined to change the font currently displayed by the electronic device.
判斷所述當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體是否相同；
當所述當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體相同時，判定不改變電子裝置當前顯示的字體；
當所述當前時間點電子裝置的待顯示字體與電子裝置當前顯示的字體不同時，讀取下一個時間點電子裝置的待顯示字體，並判斷所述當前時間點電子裝置的待顯示字體與下一個時間點電子裝置的待顯示字體是否相同；
當所述當前時間點電子裝置的待顯示字體與下一個時間點電子裝置的待顯示字體不同時，判定不改變電子裝置當前顯示的字體；及
當所述當前時間點電子裝置的待顯示字體與下一個時間點電子裝置的待顯示字體相同時，判定改變電子裝置當前顯示的字體。The font adjustment system of claim 6, wherein the determining module determines whether to change a font currently displayed by the electronic device by using the following steps:
Determining whether the font to be displayed of the electronic device at the current time point is the same as the font currently displayed by the electronic device;
When the font to be displayed of the electronic device is the same as the font currently displayed by the electronic device, determining that the font currently displayed by the electronic device is not changed;
When the font to be displayed of the electronic device is different from the font currently displayed by the electronic device, the font to be displayed of the electronic device is read at the next time point, and the font to be displayed of the electronic device at the current time point is determined. Whether the fonts to be displayed of the electronic device are the same at one time point;
When the font to be displayed of the electronic device at the current time point is different from the font to be displayed of the electronic device at the next time point, determining that the font currently displayed by the electronic device is not changed; and the font to be displayed of the electronic device at the current time point When the fonts to be displayed of the electronic device are the same at the next time point, it is determined to change the font currently displayed by the electronic device.
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| CN201210588317.2A CN103903595A (en) | 2012-12-29 | 2012-12-29 | Typeface adjusting method and system |
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| CN105278821A (en) * | 2014-07-22 | 2016-01-27 | 福建福昕软件开发股份有限公司北京分公司 | Method and device for automatically regulating electronic document page |
| CN104298441A (en) * | 2014-09-05 | 2015-01-21 | 中兴通讯股份有限公司 | Method for dynamically adjusting screen character display of terminal and terminal |
| CN104461289B (en) * | 2014-11-28 | 2018-09-11 | 广东欧珀移动通信有限公司 | Terminal and its screen display method and device |
| CN104954865A (en) * | 2015-06-23 | 2015-09-30 | 陆俊 | Electronic equipment display interface regulation method and electronic equipment |
| CN106873759A (en) * | 2015-12-14 | 2017-06-20 | 北京奇虎科技有限公司 | Reading information treating method and apparatus |
| CN105933690A (en) * | 2016-04-20 | 2016-09-07 | 乐视控股（北京）有限公司 | Adaptive method and device for adjusting 3D image content size |
| CN107391146A (en) * | 2017-07-27 | 2017-11-24 | 深圳市泰衡诺科技有限公司 | The method of adjustment and adjusting apparatus of a kind of font size for smart machine |
| CN110221897A (en) * | 2019-06-13 | 2019-09-10 | 广东小天才科技有限公司 | Adjusting method, device, terminal device and the medium of character boundary |
| CN114378850B (en) * | 2022-03-23 | 2022-07-01 | 北京优全智汇信息技术有限公司 | Interaction method and system of customer service robot, electronic equipment and storage medium |
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