TWI723589B - Device control method and electronic device - Google Patents
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Abstract
Description
本發明是有關於一種裝置控制技術,且特別是有關於一種裝置控制方法與電子裝置。The present invention relates to a device control technology, and particularly relates to a device control method and an electronic device.
臉部辨識技術已廣泛運用於智慧型手機或筆記型電腦等電子裝置之使用者的身分認證。然而,為了支援即時臉部辨識功能,電子裝置上的影像辨識模組需隨時維持在啟動狀態,造成電子裝置的耗電量增加。雖然某些電子裝置可另外藉由接近傳感器(proximity sensor)來偵測使用者靠近或藉由偵測使用者觸碰螢幕等輸入操作來啟動影像辨識模組,但除了接近傳感器較為昂貴外,使用人工啟動影像辨識模組在使用上也較為被動。Facial recognition technology has been widely used to authenticate users of electronic devices such as smart phones or notebook computers. However, in order to support the real-time facial recognition function, the image recognition module on the electronic device needs to be kept in an activated state at any time, which causes the power consumption of the electronic device to increase. Although some electronic devices can additionally use a proximity sensor to detect the user’s approach or detect the user’s touch on the screen and other input operations to activate the image recognition module, in addition to the fact that proximity sensors are more expensive, use Manually activated image recognition modules are also relatively passive in use.
本發明提供一種裝置控制方法與電子裝置,可藉由售價較為便宜的毛玻璃上蓋搭配電子裝置本身支援的影像辨識技術來提供更佳的裝置性能及/或提高使用者體驗。The present invention provides a device control method and an electronic device, which can provide better device performance and/or improve user experience by using a cheaper frosted glass top cover with image recognition technology supported by the electronic device itself.
本發明的實施例提供一種裝置控制方法,其用於控制電子裝置。所述電子裝置具有毛玻璃上蓋與影像擷取裝置。所述裝置控制方法包括:在預設狀態下,由所述毛玻璃上蓋遮蔽所述影像擷取裝置的鏡頭;由所述鏡頭經由所述毛玻璃上蓋偵測亮度變化;以及根據所述亮度變化觸發所述電子裝置執行預設操作。The embodiment of the present invention provides a device control method, which is used to control an electronic device. The electronic device has a ground glass top cover and an image capturing device. The device control method includes: in a preset state, the lens of the image capturing device is shielded by the frosted glass top cover; the brightness change is detected by the lens through the frosted glass top cover; and the triggering method is triggered according to the brightness change. The electronic device performs a preset operation.
本發明的實施例另提供一種電子裝置,其包括毛玻璃上蓋、影像擷取裝置及處理器。所述處理器耦接至所述影像擷取裝置。在預設狀態下,所述毛玻璃上蓋用以遮蔽所述鏡頭。所述鏡頭用以經由所述毛玻璃上蓋偵測亮度變化。所述處理器用以根據所述亮度變化控制所述電子裝置執行預設操作。An embodiment of the present invention further provides an electronic device, which includes a ground glass top cover, an image capture device, and a processor. The processor is coupled to the image capturing device. In a preset state, the ground glass top cover is used to shield the lens. The lens is used for detecting brightness changes through the ground glass top cover. The processor is used for controlling the electronic device to perform a preset operation according to the brightness change.
基於上述,在預設狀態下,電子裝置上的毛玻璃上蓋可遮蔽影像擷取裝置的鏡頭。所述鏡頭可經由所述毛玻璃上蓋偵測亮度變化。接著,所述電子裝置可根據所述亮度變化而被觸發以執行預設操作。藉此,可提供更佳的裝置性能及/或提高使用者體驗。Based on the above, in the default state, the frosted glass cover on the electronic device can shield the lens of the image capturing device. The lens can detect the brightness change through the ground glass top cover. Then, the electronic device can be triggered to perform a preset operation according to the brightness change. In this way, better device performance and/or user experience can be improved.
圖1是根據本發明的一實施例所繪示的電子裝置的功能方塊圖。請參照圖1,電子裝置10包括毛玻璃上蓋11、影像擷取裝置12及處理器13。毛玻璃上蓋11包括可透光之玻璃上蓋。例如,毛玻璃上蓋11的可透光材料可包括毛玻璃、霧面玻璃及/或噴砂玻璃。當光線照射至毛玻璃上蓋11後,通過毛玻璃上蓋11的光線可發生散射與漫射。相較於一般的透明玻璃,若將鏡頭設置於毛玻璃上蓋11之後方,則此鏡頭經由毛玻璃上蓋11所擷取的外部影像往往較為模糊。FIG. 1 is a functional block diagram of an electronic device according to an embodiment of the invention. Please refer to FIG. 1, the
影像擷取裝置12用以擷取外部影像。例如,影像擷取裝置12可包括至少一個鏡頭與至少一個感光元件。影像擷取裝置12可用以經由所述鏡頭與所述感光元件擷取外部影像。例如,影像擷取裝置12可包括內建於電子裝置10的至少一攝影機。The image capturing
處理器13耦接至影像擷取裝置12。在一實施例中,處理器13可用以控制影像擷取裝置12。在一實施例中,若毛玻璃上蓋11為可移動的,則處理器13也可耦接至毛玻璃上蓋11並控制毛玻璃上蓋11移動。在一實施例中,處理器13還可用以控制電子裝置10的整體或部分操作。例如,處理器13可包括中央處理單元(CPU)、圖形處理器(GPU),或是其他可程式化之一般用途或特殊用途的微處理器、數位訊號處理器(Digital Signal Processor, DSP)、可程式化控制器、特殊應用積體電路(Application Specific Integrated Circuits, ASIC)、可程式化邏輯裝置(Programmable Logic Device, PLD)或其他類似裝置或這些裝置的組合。The
在一實施例中,電子裝置10還包括儲存電路、輸入/輸出介面及/或電源電路等各式電子元件,本發明不加以限制。例如,輸入/輸出介面可包括螢幕、觸控螢幕、鍵盤、滑鼠、觸控板、揚聲器、麥克風、有線通訊介面卡、及/或無線通訊介面卡等,本發明不加以限制。In an embodiment, the
在一實施例中,在預設狀態下,毛玻璃上蓋11可遮蔽影像擷取裝置12的鏡頭。影像擷取裝置12的鏡頭可經由毛玻璃上蓋11偵測亮度變化。此亮度變化例如是指經由毛玻璃上蓋11所擷取之影像的亮度變化。然後,處理器13可根據此亮度變化觸發電子裝置10執行預設操作。In one embodiment, in a preset state, the ground
在以下實施例中,是以筆記型電腦做為圖1的電子裝置10的範例。然而,在其他實施例中,圖1的電子裝置10亦可以是桌上型電腦、工業電腦、平板電腦或智慧型手機等同時配置有毛玻璃上蓋11與影像擷取裝置12的電子裝置,本發明不加以限制。In the following embodiments, a notebook computer is used as an example of the
圖2是根據本發明的一實施例所繪示的電子裝置的外觀示意圖。請參照圖2,以筆記型電腦作為電子裝置10的範例,在預設狀態下,鏡頭21是被毛玻璃上蓋11遮蔽。當鏡頭21被毛玻璃上蓋11遮蔽時,鏡頭21可經由毛玻璃上蓋11擷取外部影像。FIG. 2 is a schematic diagram of the appearance of an electronic device according to an embodiment of the present invention. Please refer to FIG. 2, a notebook computer is taken as an example of the
圖3是根據本發明的一實施例所繪示的鏡頭通過毛玻璃上蓋接收光線的示意圖。請參照圖3,當鏡頭21被毛玻璃上蓋11遮蔽時,光線301是通過毛玻璃上蓋11後才被鏡頭21接收。因此,相較於鏡頭21未被毛玻璃上蓋11上蓋遮蔽時所擷取的影像,當鏡頭21被毛玻璃上蓋11遮蔽時,所擷取的影像較為模糊。例如,假設此時鏡頭21前方有某一物體,則在經由毛玻璃上蓋11所擷取的影像中,此物體的輪廓是模糊且不清楚的。FIG. 3 is a schematic diagram of the lens according to an embodiment of the invention receiving light through a frosted glass top cover. Please refer to FIG. 3, when the
在一實施例中,在鏡頭21經由毛玻璃上蓋11擷取外部影像後,處理器13可分析此外部影像以獲得此外部影像之亮度變化。處理器13可判斷所述亮度變化是否符合預設條件。若所述亮度變化符合預設條件,處理器13可響應於所述亮度變化符合預設條件而觸發電子裝置10執行預設操作。然而,若所述亮度變化不符合預設條件,處理器13可不執行所述預設操作。In one embodiment, after the
在一實施例中,處理器13可分析此外部影像以獲得此外部影像中至少一個像素點的亮度資訊。例如,每一個像素點可具有一個亮度值。若此外部影像中預先定義的至少一個像素點的亮度值的變化幅度超過一預設幅度,處理器13可判定所述亮度變化符合預設條件。此外,若預先定義的至少一個像素點的亮度值的變化幅度未超過此預設幅度,則處理器13可判定所述亮度變化不符合預設條件。In one embodiment, the
在一實施例中,所述亮度變化是否符合預設條件是用以偵測是否有使用者靠近及/或準備操作電子裝置10。例如,在圖2與圖3的預設狀態下,當使用者靠近及/或準備操作電子裝置10時,使用者的臉或手可能會遮擋至少一部分原先由鏡頭21接收的光線301,導致所擷取的外部影像中預先定義的至少一個像素點的亮度值下降。若所述像素點的亮度值下降至超過預設幅度,處理器13可判定當前有使用者靠近及/或準備操作電子裝置10並自動執行預設操作。In one embodiment, whether the brightness change meets a preset condition is used to detect whether a user is approaching and/or preparing to operate the
在一實施例中,所述預設操作包括切換電子裝置10的工作模式。在一實施例中,切換電子裝置10的工作模式包括將電子裝置10從睡眠(例如S3)、休眠或閒置狀態喚醒。在一實施例中,切換電子裝置10的工作模式包括將電子裝置10從鎖定狀態解鎖。In an embodiment, the preset operation includes switching the working mode of the
在一實施例中,在切換電子裝置10的工作模式後,處理器13可經由電子裝置10的至少一輸入介面接收驗證資訊。然後,處理器13可根據此驗證資訊執行登入驗證。In one embodiment, after the operating mode of the
圖4是根據本發明的一實施例所繪示的輸入介面的示意圖。請參照圖4,在一實施例中,在決定執行預設操作後,輸入介面41可呈現於電子裝置10的顯示器。輸入介面41可提示使用者輸入驗證資訊(例如帳號及/或密碼)。處理器13可經由輸入介面41接收使用者輸入的驗證資訊並執行登入驗證。在登入驗證中,處理器13可將此驗證資訊與資料庫中的預設資訊進行比對。若比對結果為吻合,處理器13可判定此驗證資訊通過驗證並將電子裝置10切換至對應於此驗證資訊的登入狀態。此外,若比對結果為不吻合,則處理器13可判定此驗證資訊未通過驗證並將電子裝置10維持於未登入狀態(例如鎖定狀態)。Fig. 4 is a schematic diagram of an input interface according to an embodiment of the present invention. Please refer to FIG. 4, in one embodiment, after a predetermined operation is determined to be performed, the
在一實施例中,毛玻璃上蓋11是可以移動的。以圖2為例,在預設狀態下,毛玻璃上蓋11可移動至可遮蔽鏡頭21的位置。在離開預設狀態後,毛玻璃上蓋11可移動至不遮蔽鏡頭21的位置,以暴露鏡頭21。In an embodiment, the ground glass
圖5是根據本發明的一實施例所繪示的移動毛玻璃上蓋的示意圖。請參照圖5,在離開預設狀態後,毛玻璃上蓋11可沿著方向501移動至不遮蔽鏡頭21的位置,以暴露鏡頭21。在暴露鏡頭21後,鏡頭21可不經由毛玻璃上蓋11而擷取外部影像。Fig. 5 is a schematic diagram of a moving frosted glass top cover according to an embodiment of the present invention. Please refer to FIG. 5, after leaving the preset state, the frosted glass
圖6是根據本發明的一實施例所繪示的鏡頭未通過毛玻璃上蓋接收光線的示意圖。請參照圖6,在將毛玻璃上蓋11沿著方向501移動後,所暴露的鏡頭21可直接接收光線601。相較於圖3的實施例,藉由接收光線601所獲得的外部影像中可帶有較為清晰的物體影像及物體輪廓。FIG. 6 is a schematic diagram illustrating that the lens according to an embodiment of the present invention does not receive light through the top cover of the ground glass. Please refer to FIG. 6, after the
在一實施例中,所述預設操作包括移動毛玻璃上蓋11之操作。例如,在一實施例中,在判定所述亮度變化符合預設條件後,處理器13可控制毛玻璃上蓋11沿著方向501移動,以暴露鏡頭21。在一實施例中,將毛玻璃上蓋11移動至暴露鏡頭21的位置,可視為離開所述預設狀態。In one embodiment, the preset operation includes the operation of moving the frosted glass
在一實施例中,所述預設操作還包括在移動毛玻璃上蓋11以暴露鏡頭21(即離開預設狀態後)後,經由鏡頭21擷取目標影像以及根據目標影像執行臉部辨識。相較於在預設狀態下經由毛玻璃上蓋11所擷取的影像,由於目標影像之擷取並未通過毛玻璃上蓋11,故目標影像中的物體可具有較為清晰的影像輪廓。In one embodiment, the preset operation further includes, after moving the
圖7是根據本發明的一實施例所繪示的目標影像的示意圖。請參照圖7,在一實施例中,在離開預設狀態後,所擷取的目標影像71可包括使用者的臉部影像。此臉部影像的清晰度只受到影像擷取裝置12本身的性能(例如影像解析度)影響,而不受毛玻璃上蓋11影響。FIG. 7 is a schematic diagram of a target image drawn according to an embodiment of the invention. Referring to FIG. 7, in one embodiment, after leaving the default state, the captured
在一實施例中,處理器13可根據目標影像執行臉部辨識。根據臉部辨識結果,處理器13可切換電子裝置10的工作狀態。例如,若臉部辨識結果反映目標影像中的使用者確實為電子裝置10的合法使用者,則處理器13可將電子裝置10切換至對應於此合法使用者的登入狀態。或者,若臉部辨識結果反映目標影像中的使用者非為電子裝置10的合法使用者,則處理器13可將電子裝置10維持於未登入狀態(例如鎖定狀態)。In an embodiment, the
在一實施例中,處理器13可進一步判斷毛玻璃上蓋11是否可移動。若毛玻璃上蓋11是可移動的,則在判定亮度變化符合預設條件後,處理器13可將毛玻璃上蓋11移動至可暴露鏡頭21的位置,如圖5所示。在暴露鏡頭21後,處理器13可分析經由鏡頭21擷取的目標影像並執行臉部辨識。然而,若毛玻璃上蓋11是不可移動的,則在判定亮度變化符合預設條件後,處理器13可呈現如圖4的輸入介面41以接收使用者輸入的驗證資訊並執行登入驗證。In an embodiment, the
在一實施例中,毛玻璃上蓋11可由使用者手動鎖定(例如經由實體卡榫進行卡合鎖定)或由處理器13鎖定毛玻璃上蓋11。在預設狀態下鎖定毛玻璃上蓋11後,毛玻璃上蓋11即不可移動。此外,若使用者手動或由處理器13解除毛玻璃上蓋11的鎖定,則處理器13可根據所測得的亮度變化移動毛玻璃上蓋11,以暴露影像擷取裝置12的鏡頭。In one embodiment, the frosted glass
須注意的是,在圖3與圖5的實施例中,是以筆記型電腦作為電子裝置10的範例。然而,在其他實施例中,無論電子裝置10的類型為何,毛玻璃上蓋11的設置位置、鏡頭21的設置位置、毛玻璃上蓋11的移動方向、毛玻璃上蓋11的移動軌跡、毛玻璃上蓋11的外型、及/或鏡頭21的數目皆可以視實務需求加以調整,本發明不加以限制。It should be noted that in the embodiments of FIGS. 3 and 5, a notebook computer is used as an example of the
圖8是根據本發明的一實施例所繪示的裝置控制方法的流程圖。請參照圖8,在步驟S801中,在預設狀態下,由毛玻璃上蓋遮蔽影像擷取裝置的鏡頭。在步驟S802中,由所述鏡頭經由所述毛玻璃上蓋偵測亮度變化。在步驟S803中,根據所述亮度變化觸發所述電子裝置執行預設操作。Fig. 8 is a flowchart of a device control method according to an embodiment of the present invention. Referring to FIG. 8, in step S801, in a preset state, the lens of the image capturing device is covered by the ground glass cover. In step S802, the brightness change is detected by the lens through the ground glass top cover. In step S803, the electronic device is triggered to perform a preset operation according to the brightness change.
圖9是根據本發明的一實施例所繪示的裝置控制方法的流程圖。請參照圖9,在步驟S901中,在預設狀態下,由毛玻璃上蓋遮蔽影像擷取裝置的鏡頭。在步驟S902中,由所述鏡頭經由所述毛玻璃上蓋偵測亮度變化。在步驟S903中,判斷所述亮度變化是否符合預設條件。若所述亮度變化不符合預設條件,可回到步驟S901。若所述亮度變化符合預設條件,在步驟S904中,判斷所述毛玻璃上蓋是否可移動。Fig. 9 is a flowchart of a device control method according to an embodiment of the present invention. Referring to FIG. 9, in step S901, in a preset state, the lens of the image capturing device is covered by the ground glass cover. In step S902, the brightness change is detected by the lens through the ground glass top cover. In step S903, it is determined whether the brightness change meets a preset condition. If the brightness change does not meet the preset condition, step S901 can be returned. If the brightness change meets the preset condition, in step S904, it is determined whether the frosted glass top cover is movable.
若所述毛玻璃上蓋可移動,在步驟S905中,移動所述毛玻璃上蓋,以暴露影像擷取裝置的鏡頭。在步驟S906中,經由所暴露的鏡頭截取目標影像並根據所述目標影像執行臉部辨識。此外,若所述毛玻璃上蓋不可移動,在步驟S907中,切換電子裝置的工作模式。在步驟S908中,經由所述電子裝置的輸入介面接收驗證資訊並根據所述驗證資訊執行登入驗證。If the ground glass top cover is movable, in step S905, the ground glass top cover is moved to expose the lens of the image capturing device. In step S906, a target image is captured through the exposed lens and face recognition is performed based on the target image. In addition, if the ground glass top cover cannot be moved, in step S907, the operating mode of the electronic device is switched. In step S908, the verification information is received through the input interface of the electronic device and login verification is performed according to the verification information.
然而,圖8與圖9中各步驟已詳細說明如上,在此便不再贅述。值得注意的是,圖8與圖9中各步驟可以實作為多個程式碼或是電路,本發明不加以限制。此外,圖8與圖9的方法可以搭配以上範例實施例使用,也可以單獨使用,本發明不加以限制。However, the steps in FIG. 8 and FIG. 9 have been described in detail as above, and will not be repeated here. It should be noted that each step in FIG. 8 and FIG. 9 can be implemented as multiple program codes or circuits, and the present invention is not limited. In addition, the methods of FIGS. 8 and 9 can be used in conjunction with the above exemplary embodiments, or can be used alone, and the present invention is not limited.
綜上所述,在預設狀態下,電子裝置上的毛玻璃上蓋可遮蔽影像擷取裝置的鏡頭。所述鏡頭可經由所述毛玻璃上蓋偵測亮度變化。接著,所述電子裝置可根據所述亮度變化而被觸發以執行預設操作。在一實施例中,毛玻璃上蓋可根據所述亮度變化而被移動以暴露所述鏡頭。所暴露的鏡頭可用於擷取清晰的影像以執行臉部辨識。或者,在一實施例中,亦可根據所述亮度變化提供輸入介面以接收使用者輸入的驗證資訊並執行登入驗證。藉此,可提供更佳的裝置性能及/或提高使用者體驗。In summary, in the default state, the frosted glass cover on the electronic device can shield the lens of the image capturing device. The lens can detect the brightness change through the ground glass top cover. Then, the electronic device can be triggered to perform a preset operation according to the brightness change. In an embodiment, the frosted glass top cover can be moved according to the brightness change to expose the lens. The exposed lens can be used to capture clear images to perform facial recognition. Alternatively, in one embodiment, an input interface can also be provided according to the brightness change to receive the verification information input by the user and perform login verification. In this way, better device performance and/or user experience can be improved.
10:電子裝置
11:毛玻璃上蓋
12:影像擷取裝置
13:處理器
21:鏡頭
301、601:光線
41:輸入介面
501:方向
71:目標影像
S801~S803、S901~S908:步驟
10: Electronic device
11: Frosted glass upper cover
12: Image capture device
13: processor
21:
圖1是根據本發明的一實施例所繪示的電子裝置的功能方塊圖。 圖2是根據本發明的一實施例所繪示的電子裝置的外觀示意圖。 圖3是根據本發明的一實施例所繪示的鏡頭通過毛玻璃上蓋接收光線的示意圖。 圖4是根據本發明的一實施例所繪示的輸入介面的示意圖。 圖5是根據本發明的一實施例所繪示的移動毛玻璃上蓋的示意圖。 圖6是根據本發明的一實施例所繪示的鏡頭未通過毛玻璃上蓋接收光線的示意圖。 圖7是根據本發明的一實施例所繪示的目標影像的示意圖。 圖8是根據本發明的一實施例所繪示的裝置控制方法的流程圖。 圖9是根據本發明的一實施例所繪示的裝置控制方法的流程圖。 FIG. 1 is a functional block diagram of an electronic device according to an embodiment of the invention. FIG. 2 is a schematic diagram of the appearance of an electronic device according to an embodiment of the present invention. FIG. 3 is a schematic diagram of the lens according to an embodiment of the invention receiving light through a frosted glass top cover. Fig. 4 is a schematic diagram of an input interface according to an embodiment of the present invention. Fig. 5 is a schematic diagram of a moving frosted glass top cover according to an embodiment of the present invention. FIG. 6 is a schematic diagram illustrating that the lens according to an embodiment of the present invention does not receive light through the top cover of the ground glass. FIG. 7 is a schematic diagram of a target image drawn according to an embodiment of the invention. Fig. 8 is a flowchart of a device control method according to an embodiment of the present invention. Fig. 9 is a flowchart of a device control method according to an embodiment of the present invention.
S801~S803:步驟 S801~S803: steps
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TW200943197A (en) * | 2008-04-14 | 2009-10-16 | Xid Technologies Pte Ltd | Face expressions identification |
TW201322147A (en) * | 2011-11-21 | 2013-06-01 | Pixart Imaging Inc | System and method of using mixture of multiple physiological information for identity recognition |
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TW200943197A (en) * | 2008-04-14 | 2009-10-16 | Xid Technologies Pte Ltd | Face expressions identification |
TW201322147A (en) * | 2011-11-21 | 2013-06-01 | Pixart Imaging Inc | System and method of using mixture of multiple physiological information for identity recognition |
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