KR101537624B1 - Mobile terminal and method for controlling the same - Google Patents

Abstract

Disclosed in the present invention is a mobile terminal which can control photographing based on a gesture input of a user received through a camera. Specifically, the present invention relates to a mobile terminal including a control part detecting a shape of the hand of a user included in an image received through the camera by applying a shape recognition algorithm; getting into a gesture executing mode, when the hand of the user presents a first hand gesture; and performing a certain function corresponding to a second hand gesture, when the hand of the user presents the second hand gesture in the gesture executing mode.

Description

[0001] MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME [0002]

The present invention relates to a mobile terminal and a control method thereof, in which usage of a terminal can be realized by further considering convenience of a user.

A terminal can be divided into a mobile terminal (mobile / portable terminal) and a stationary terminal according to whether the terminal can be moved. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and enhance the functionality of such terminals, it may be considered to improve the structural and / or software parts of the terminal.

A shape recognition algorithm is an algorithm for analyzing a user's gesture included in an image. Research is needed to utilize the gesture of the user included in the image received through the camera as input means using the shape recognition algorithm.

Disclosure of Invention Technical Problem [8] The present invention provides a mobile terminal and a control method thereof, which are proposed in order to satisfy the above-mentioned necessity, which enables a user to recognize a gesture of a user through a camera and control the mobile terminal by using a gesture of a recognized user It is for that purpose.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, unless further departing from the spirit and scope of the invention as defined by the appended claims. It will be possible.

In order to achieve the above object, a mobile terminal according to the present invention includes: a camera; And a shape recognition algorithm to detect a shape of a user's hand contained in an image received through the camera and to perform a gesture execution when the sensed user's hand indicates a first hand gesture, Mode, and performs a predetermined function corresponding to the second hand gesture when the sensed user's hand indicates the second hand gesture in the gesture execution mode.

The mobile terminal further includes a memory, and the predetermined function is a function of photographing through the camera, and the control unit can control to store the photographed photograph in the memory.

The control unit may photograph additional photographs through the camera if the additional photographing condition for determining a user's additional photographing intention is satisfied after the photographing.

The control unit further detects a face of a user included in an image received through the camera by applying the shape detection algorithm, and the additional photographing condition may include a condition that the detected face of the user is continuously sensed Lt; / RTI >

The mobile terminal may further include a sensing unit for sensing an angle based on gravity, and the additional shooting condition may be a condition in which a degree of change in the sensed angle after shooting is less than a predetermined value.

And a sensing unit for sensing an angle based on the gravity of the mobile terminal, wherein the additional shooting condition may be a condition in which the detected angle is within a predetermined range.

At this time, if the photographing condition does not match the additional photographing condition after the photographing, a preview popup window of the photographed photograph can be automatically outputted.

The control unit may photograph the photo after the completion of the set timer when the photo is taken and if the shape of the detected hand indicates a third hand gesture designating the number of shots during operation of the timer, You can take pictures as many times as you like.

The mobile terminal further includes a touch screen, and the control unit controls the touch screen to output a preview area for an image received through the camera and a button area including at least one button for the photographing control, Can be controlled.

At this time, the predetermined function may be a function of controlling the touch screen to stop the output of the button area.

According to another aspect of the present invention, there is provided a method of detecting a shape of a hand of a user, the method comprising: sensing a shape of a user's hand on an image received through a camera by applying a shape recognition algorithm; Entering a gesture execution mode when the detected user's hand indicates a first hand gesture; And performing a predetermined function corresponding to the second hand gesture when the sensed user's hand indicates the second hand gesture in the gesture execution mode.

In this case, the predetermined function may be a function of photographing a photograph through the camera, and controlling the photographed photograph to be stored in the memory.

The method may further include photographing additional photographs through the camera if the additional photographing condition for judging the user's additional photographing intention after the photographing is satisfied.

And detecting the user's face included in the image received through the camera by applying the shape detection algorithm,

The additional photographing condition may be a condition in which the detected face of the user is continuously sensed.

The method may further include sensing an angle based on the gravity of the mobile terminal, wherein the additional shooting condition may be a condition in which a degree of change in the sensed angle after shooting is less than a predetermined value.

The method may further include detecting an angle based on gravity of the mobile terminal, wherein the additional photographing condition may be a condition in which the detected angle is within a predetermined range.

The method may further include automatically outputting a preview pop-up window of the photographed photograph if the additional photographing condition is not met after the photographing.

At this time, the step of performing the predetermined function may include photographing the photograph after completion of the set timer in photographing the photograph, and during the operation of the timer, the shape of the detected hand is a third hand When the gesture is displayed, the method may further include the step of photographing the predetermined number of times.

The method may further include controlling the touch screen to output a preview area for an image received through the camera and a button area including at least one button for the photographing control.

In this case, the predetermined function may be a function of controlling the touch screen to stop the output of the button area.

Effects of the mobile terminal and the control method according to the present invention will be described as follows.

According to at least one of the embodiments of the present invention, there is an advantage that the photographing operation can be easily controlled using the gesture of the user.

In addition, according to at least one embodiment of the present invention, it is possible to provide a more intuitive control method by providing a control method using a user's gesture.

The effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description will be.

1A is a block diagram illustrating a mobile terminal according to the present invention.
1B and 1C are conceptual diagrams illustrating an example of a mobile terminal according to the present invention in different directions.
FIG. 2 is a flow chart for controlling photographing through gesture analysis of a user according to an embodiment of the present invention. FIG.
3 is a diagram showing a state diagram of a mobile terminal that recognizes a user's face and a hand according to an embodiment of the present invention.
4 is a view showing a control screen for setting a start gesture and an action gesture according to an embodiment of the present invention.
5 is a diagram showing a control method of photographing a picture corresponding to an action gesture according to an embodiment of the present invention.
6 is a diagram showing a control method of outputting a preview screen of a photographed image according to an embodiment of the present invention.
7 is a diagram showing a control method of performing additional image capturing according to an embodiment of the present invention.
8 is a diagram illustrating a control method for displaying / removing a setting button region 300-1 and a control button region 300-2 including at least one button according to an embodiment of the present invention.
9A and 9B are diagrams showing a gesture for switching among a plurality of cameras.
10 is a diagram showing a control method of designating the number of times of shooting according to the detection of the additional hand gesture, according to an embodiment of the present invention.
11 and 12 are views for explaining a gesture for switching between a picture mode and a moving picture mode according to an embodiment of the present invention.
FIG. 13 is a diagram for explaining a predetermined gesture for designating the start and end times of moving picture shooting, according to an embodiment of the present invention.
14 is a diagram illustrating a control method for recognizing a hand gesture when a plurality of users are included according to an embodiment of the present invention.
15 is a diagram showing a control method of guiding a recognition state of a hand using a light emitting element according to an embodiment of the present invention.
16 and 17 are views showing a control method of managing a plurality of images photographed according to an embodiment of the present invention by using a hand gesture.
18 is a diagram showing a control method of activating / deactivating the flash function according to an embodiment of the present invention.
19 is a diagram showing a control method for recording a voice in a photographed picture according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. , ≪ / RTI > equivalents, and alternatives.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

The mobile terminal described in this specification includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation device, a slate PC A tablet PC, an ultrabook, a wearable device such as a smartwatch, a smart glass, and a head mounted display (HMD). have.

However, it will be appreciated by those skilled in the art that the configuration according to the embodiments described herein may be applied to fixed terminals such as a digital TV, a desktop computer, a digital signage, and the like, will be.

FIG. 1A is a block diagram for explaining a mobile terminal according to the present invention, and FIGS. 1B and 1C are conceptual diagrams illustrating an example of a mobile terminal according to the present invention in different directions.

The mobile terminal 100 includes a wireless communication unit 110, an input unit 120, a sensing unit 140, an output unit 150, an interface unit 160, a memory 170, a control unit 180, ), And the like. The components shown in FIG. 1A are not essential for implementing a mobile terminal, so that the mobile terminal described herein may have more or fewer components than the components listed above.

The wireless communication unit 110 may be connected to the wireless communication system 100 between the mobile terminal 100 and another mobile terminal 100 or between the mobile terminal 100 and another mobile terminal 100. [ And one or more modules that enable wireless communication between the network in which the terminal 100, or an external server, is located.

The wireless communication unit 110 may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short distance communication module 114, and a location information module 115 .

The input unit 120 includes a camera 121 or an image input unit for inputting a video signal, a microphone 122 for inputting an audio signal, an audio input unit, a user input unit 123 for receiving information from a user A touch key, a mechanical key, and the like). The voice data or image data collected by the input unit 120 may be analyzed and processed by a user's control command.

The sensing unit 140 may include at least one sensor for sensing at least one of information in the mobile terminal, surrounding environment information surrounding the mobile terminal, and user information. For example, the sensing unit 140 may include a proximity sensor 141, an illumination sensor 142, a touch sensor, an acceleration sensor, a magnetic sensor, A G-sensor, a gyroscope sensor, a motion sensor, an RGB sensor, an infrared sensor, a finger scan sensor, an ultrasonic sensor, An optical sensor (e.g., a camera 121, a microphone 122, a battery gage, an environmental sensor (e.g., a barometer, a hygrometer, a thermometer, (E.g., a sensor, a gas sensor, etc.), a chemical sensor (e.g., an electronic nose, a healthcare sensor, a biometric sensor, etc.) Lt; RTI ID = 0.0 > Combined can be used.

The output unit 150 includes at least one of a display unit 151, an acoustic output unit 152, a haptic tip module 153, and a light output unit 154 to generate an output related to visual, auditory, can do. The display unit 151 may have a mutual layer structure with the touch sensor or may be integrally formed to realize a touch screen. The touch screen may function as a user input unit 123 that provides an input interface between the mobile terminal 100 and a user and may provide an output interface between the mobile terminal 100 and a user.

The interface unit 160 serves as a path to various types of external devices connected to the mobile terminal 100. The interface unit 160 is connected to a device having a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, And may include at least one of a port, an audio I / O port, a video I / O port, and an earphone port. In the mobile terminal 100, corresponding to the connection of the external device to the interface unit 160, it is possible to perform appropriate control related to the connected external device.

The memory 170 may store a plurality of application programs or applications running on the mobile terminal 100, data for operation of the mobile terminal 100, and commands. At least some of these applications may be downloaded from an external server via wireless communication. At least some of these application programs may exist on the mobile terminal 100 from the time of shipment for the basic functions of the mobile terminal 100 (e.g., call incoming, outgoing, message reception, and origination functions) . Meanwhile, the application program may be stored in the memory 170, installed on the mobile terminal 100, and may be operated by the control unit 180 to perform the operation (or function) of the mobile terminal.

In addition to the operations related to the application program, the control unit 180 typically controls the overall operation of the mobile terminal 100. The control unit 180 may process or process signals, data, information, and the like input or output through the above-mentioned components, or may drive an application program stored in the memory 170 to provide or process appropriate information or functions to the user.

In addition, the controller 180 may control at least some of the components illustrated in FIG. 1A in order to drive an application program stored in the memory 170. FIG. In addition, the controller 180 may operate at least two of the components included in the mobile terminal 100 in combination with each other for driving the application program.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power to the components included in the mobile terminal 100. The power supply unit 190 includes a battery, which may be an internal battery or a replaceable battery.

At least some of the components may operate in cooperation with one another to implement a method of operation, control, or control of a mobile terminal according to various embodiments described below. In addition, the operation, control, or control method of the mobile terminal may be implemented on the mobile terminal by driving at least one application program stored in the memory 170. [

Hereinafter, the various components of the mobile terminal 100 will be described in detail with reference to FIG. 1A.

First, referring to the wireless communication unit 110, the broadcast receiving module 111 of the wireless communication unit 110 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel. The broadcast channel may include a satellite channel and a terrestrial channel. Two or more broadcast receiving modules may be provided to the mobile terminal 100 for simultaneous broadcast reception or broadcast channel switching for at least two broadcast channels.

The mobile communication module 112 may be a mobile communication module or a mobile communication module capable of communicating with a plurality of mobile communication devices in accordance with technical standards or communication standards for mobile communication (e.g., Global System for Mobile communication (GSM), Code Division Multi Access (CDMA), Wideband CDMA (WCDMA) A terminal, or a server on a mobile communication network constructed according to a mobile communication network (e.g.

The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. The wireless Internet module 113 is configured to transmit and receive a wireless signal in a communication network according to wireless Internet technologies.

Examples of the wireless Internet technology include a wireless LAN (WLAN), a wireless fidelity (WiFi) direct, a digital living network alliance (DLNA), a wireless broadband (WIBRO), a wimax (World Interoperability for Microwave Access) Packet Access, and Long Term Evolution (LTE). The wireless Internet module 113 transmits and receives data according to at least one wireless Internet technology, including Internet technologies not listed above.

The wireless Internet module 113, which performs wireless Internet access through the mobile communication network, is connected to the mobile communication module 110 through the mobile communication network, for example, from the viewpoint that the wireless Internet access by Wibro, HSDPA, GSM, CDMA, WCDMA, LTE, (112).

The short-range communication module 114 is for short-range communication, and includes Bluetooth ™, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB) (Near Field Communication), Wi-Fi (Wireless-Fidelity), and Wi-Fi Direct technology. The short-range communication module 114 may communicate with the mobile terminal 100 through a wireless personal area network (Wireless Personal Area Networks) between the mobile terminal 100 and the wireless communication system, between the mobile terminal 100 and another mobile terminal 100, The mobile terminal 100 may support wireless communication between the mobile terminal 100 and the network where the other mobile terminal 100 or the external server is located.

Here, the other mobile terminal 100 may be a wearable device (e.g., a smartwatch, a smart glass, etc.) capable of interchanging data with the mobile terminal 100 according to the present invention (smart glass), HMD (head mounted display)). The short range communication module 114 may detect (or recognize) a wearable device capable of communicating with the mobile terminal 100 around the mobile terminal 100. [ If the detected wearable device is a device authenticated to communicate with the mobile terminal 100 according to the present invention, the control unit 180 may transmit at least a part of the data processed by the mobile terminal 100 to the short- 114 to the wearable device. Therefore, the user of the wearable device can use the data processed by the mobile terminal 100 through the wearable device. For example, according to this, when a telephone is received in the mobile terminal 100, the user performs a telephone conversation via the wearable device, or when a message is received in the mobile terminal 100, It is possible to check the message.

The position information module 115 is a module for obtaining the position (or current position) of the mobile terminal, and a representative example thereof is a Global Positioning System (GPS) module or a Wireless Fidelity (WiFi) module. For example, when the mobile terminal utilizes the GPS module, it can acquire the position of the mobile terminal by using a signal transmitted from the GPS satellite. As another example, when the mobile terminal utilizes the Wi-Fi module, it can acquire the position of the mobile terminal based on information of a wireless access point (AP) that transmits or receives the wireless signal with the Wi-Fi module.

The input unit 120 is for inputting image information (or a signal), audio information (or a signal), or information input from a user. The input unit 120 may input image information The mobile terminal 100 may include one or a plurality of cameras 121. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [ A plurality of cameras 121 provided in the mobile terminal 100 may be arranged to have a matrix structure and various angles or foci may be provided to the mobile terminal 100 through the camera 121 having the matrix structure A plurality of pieces of image information can be input. In addition, the plurality of cameras 121 may be arranged in a stereo structure to acquire a left image and a right image for realizing a stereoscopic image.

The microphone 122 processes the external acoustic signal into electrical voice data. The processed voice data can be utilized variously according to a function (or a running application program) being executed in the mobile terminal 100. Meanwhile, the microphone 122 may be implemented with various noise reduction algorithms for eliminating noise generated in the process of receiving an external sound signal.

The user input unit 123 is for receiving information from a user and when the information is inputted through the user input unit 123, the control unit 180 can control the operation of the mobile terminal 100 to correspond to the input information . The user input unit 123 may include a mechanical input means (or a mechanical key such as a button located on the front, rear or side of the mobile terminal 100, a dome switch, a jog wheel, Jog switches, etc.) and touch-type input means. For example, the touch-type input means may comprise a virtual key, a soft key or a visual key displayed on the touch screen through software processing, And a touch key disposed on the touch panel. Meanwhile, the virtual key or the visual key can be displayed on a touch screen having various forms, for example, a graphic, a text, an icon, a video, As shown in FIG.

Meanwhile, the sensing unit 140 senses at least one of information in the mobile terminal, surrounding environment information surrounding the mobile terminal, and user information, and generates a corresponding sensing signal. The control unit 180 may control the driving or operation of the mobile terminal 100 or may perform data processing, function or operation related to the application program installed in the mobile terminal 100 based on the sensing signal. Representative sensors among various sensors that may be included in the sensing unit 140 will be described in more detail.

First, the proximity sensor 141 refers to a sensor that detects the presence of an object approaching a predetermined detection surface or an object existing in the vicinity of the detection surface without mechanical contact using an electromagnetic force or infrared rays. The proximity sensor 141 may be disposed in the inner area of the mobile terminal or in proximity to the touch screen, which is covered by the touch screen. The proximity sensor 141 has a longer life than the contact type sensor and its utilization is also high.

Examples of the proximity sensor 141 include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. In the case where the touch screen is electrostatic, the proximity sensor 141 can be configured to detect the proximity of the object with a change of the electric field along the proximity of the object having conductivity. In this case, the touch screen (or touch sensor) itself may be classified as a proximity sensor.

On the other hand, for convenience of explanation, the act of recognizing that the object is located on the touch screen in proximity with no object touching the touch screen is referred to as "proximity touch & The act of actually touching an object on the screen is called a "contact touch. &Quot; The position at which the object is closely touched on the touch screen means a position where the object corresponds to the touch screen vertically when the object is touched. The proximity sensor 141 can detect a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, have. Meanwhile, the control unit 180 processes data (or information) corresponding to the proximity touch operation and the proximity touch pattern sensed through the proximity sensor 141 as described above, and further provides visual information corresponding to the processed data It can be output on the touch screen. Furthermore, the control unit 180 can control the mobile terminal 100 such that different operations or data (or information) are processed according to whether the touch to the same point on the touch screen is a proximity touch or a touch touch .

The touch sensor senses a touch (or touch input) applied to the touch screen (or the display unit 151) by using at least one of various touch methods such as a resistance film type, a capacitive type, an infrared type, an ultrasonic type, do.

For example, the touch sensor may be configured to convert a change in a pressure applied to a specific portion of the touch screen or a capacitance generated in a specific portion to an electrical input signal. The touch sensor may be configured to detect a position, an area, a pressure at the time of touch, etc. of a touch object to be touched on the touch screen on the touch sensor. Here, the touch object may be a finger, a touch pen, a stylus pen, a pointer, or the like as an object to which a touch is applied to the touch sensor.

Thus, when there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like. Here, the touch controller may be a separate component from the control unit 180, and may be the control unit 180 itself.

On the other hand, the control unit 180 may perform different controls or perform the same control according to the type of the touch object, which touches the touch screen (or a touch key provided on the touch screen). Whether to perform different controls or to perform the same control according to the type of the touch object may be determined according to the current state of the mobile terminal 100 or an application program being executed.

On the other hand, the touch sensors and the proximity sensors discussed above can be used independently or in combination to provide a short touch (touch), a long touch, a multi touch, a drag touch ), Flick touch, pinch-in touch, pinch-out touch, swipe touch, hovering touch, and the like. Touch can be sensed.

The ultrasonic sensor can recognize the position information of the object to be sensed by using ultrasonic waves. Meanwhile, the controller 180 can calculate the position of the wave generating source through the information sensed by the optical sensor and the plurality of ultrasonic sensors. The position of the wave source can be calculated using the fact that the light is much faster than the ultrasonic wave, that is, the time when the light reaches the optical sensor is much faster than the time the ultrasonic wave reaches the ultrasonic sensor. More specifically, the position of the wave generating source can be calculated using the time difference with the time when the ultrasonic wave reaches the reference signal.

The camera 121 includes at least one of a camera 121, a photosensor, and a laser sensor. The camera 121 is a kind of camera sensor.

The camera 121 and the laser sensor may be combined with each other to sense a touch of the sensing object with respect to the three-dimensional stereoscopic image. The photosensor can be laminated to the display element, which is adapted to scan the movement of the object to be detected proximate to the touch screen. More specifically, the photosensor mounts photo diodes and TRs (Transistors) in a row / column and scans the contents loaded on the photosensor using an electrical signal that varies according to the amount of light applied to the photo diode. That is, the photo sensor performs coordinate calculation of the object to be sensed according to the amount of change of light, and position information of the object to be sensed can be obtained through the calculation.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, the display unit 151 may display execution screen information of an application program driven by the mobile terminal 100 or UI (User Interface) and GUI (Graphic User Interface) information according to the execution screen information .

In addition, the display unit 151 may be configured as a stereoscopic display unit for displaying a stereoscopic image.

In the stereoscopic display unit, a three-dimensional display system such as a stereoscopic system (glasses system), an autostereoscopic system (no-glasses system), and a projection system (holographic system) can be applied.

The sound output unit 152 may output audio data received from the wireless communication unit 110 or stored in the memory 170 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output unit 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The audio output unit 152 may include a receiver, a speaker, a buzzer, and the like.

The haptic module 153 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 153 may be vibration. The intensity and pattern of the vibration generated in the haptic module 153 can be controlled by the user's selection or setting of the control unit. For example, the haptic module 153 may synthesize and output different vibrations or sequentially output the vibrations.

In addition to the vibration, the haptic module 153 may be configured to perform various functions such as a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, And various tactile effects such as an effect of reproducing a cold sensation using an endothermic or exothermic element can be generated.

The haptic module 153 can transmit the tactile effect through the direct contact, and the tactile effect can be felt by the user through the muscles of the finger or arm. The haptic module 153 may include two or more haptic modules 153 according to the configuration of the mobile terminal 100.

The light output unit 154 outputs a signal for notifying the occurrence of an event using the light of the light source of the mobile terminal 100. Examples of events that occur in the mobile terminal 100 may include message reception, call signal reception, missed call, alarm, schedule notification, email reception, information reception through an application, and the like.

The signal output from the light output unit 154 is implemented as the mobile terminal emits light of a single color or a plurality of colors to the front or rear surface. The signal output may be terminated by the mobile terminal detecting the event confirmation of the user.

The interface unit 160 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 160 receives data from an external device or supplies power to each component in the mobile terminal 100 or transmits data in the mobile terminal 100 to an external device. For example, a port for connecting a device equipped with a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, an audio I / O port, a video I / O port, an earphone port, and the like may be included in the interface unit 160.

The identification module is a chip for storing various information for authenticating the use right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM) A universal subscriber identity module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the interface unit 160. [

The interface unit 160 may be a path through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, And various command signals may be transmitted to the mobile terminal 100. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal 100 is correctly mounted on the cradle.

The memory 170 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 170 may store data related to vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 170 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (e.g., SD or XD memory), a RAM (Random Access Memory), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- And may include a storage medium of at least one type of disk and optical disk. The mobile terminal 100 may operate in association with a web storage that performs the storage function of the memory 170 on the Internet.

Meanwhile, as described above, the control unit 180 controls the operations related to the application program and the general operation of the mobile terminal 100. [ For example, when the state of the mobile terminal meets a set condition, the control unit 180 can execute or release a lock state for restricting input of a user's control command to applications.

In addition, the control unit 180 performs control and processing related to voice communication, data communication, video call, or the like, or performs pattern recognition processing to recognize handwriting input or drawing input performed on the touch screen as characters and images, respectively . Further, the controller 180 may control any one or a plurality of the above-described components in order to implement various embodiments described below on the mobile terminal 100 according to the present invention.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components. The power supply unit 190 includes a battery, the battery may be an internal battery configured to be chargeable, and may be detachably coupled to the terminal body for charging or the like.

In addition, the power supply unit 190 may include a connection port, and the connection port may be configured as an example of an interface 160 through which an external charger for supplying power for charging the battery is electrically connected.

As another example, the power supply unit 190 may be configured to charge the battery in a wireless manner without using the connection port. In this case, the power supply unit 190 may use at least one of an inductive coupling method based on a magnetic induction phenomenon from an external wireless power transmission apparatus and a magnetic resonance coupling method based on an electromagnetic resonance phenomenon Power can be delivered.

In the following, various embodiments may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

Referring to FIGS. 1B and 1C, the disclosed mobile terminal 100 includes a bar-shaped terminal body. However, the present invention is not limited thereto and can be applied to various structures such as a folder type, a flip type, a slide type, a swing type, and a swivel type in which a watch type, a clip type, a glass type or two or more bodies are relatively movably coupled .

Here, the terminal body can be understood as a concept of referring to the mobile terminal 100 as at least one aggregate.

The mobile terminal 100 includes a case (a frame, a housing, a cover, etc.) which forms an appearance. As shown, the mobile terminal 100 may include a front case 101 and a rear case 102. Various electronic components are disposed in the inner space formed by the combination of the front case 101 and the rear case 102. At least one middle case may be additionally disposed between the front case 101 and the rear case 102.

A display unit 151 is disposed on a front surface of the terminal body to output information. The window 151a of the display unit 151 may be mounted on the front case 101 to form a front surface of the terminal body together with the front case 101. [

In some cases, electronic components may also be mounted on the rear case 102. Electronic parts that can be mounted on the rear case 102 include detachable batteries, an identification module, a memory card, and the like. In this case, a rear cover 103 for covering the mounted electronic components can be detachably coupled to the rear case 102. Therefore, when the rear cover 103 is separated from the rear case 102, the electronic parts mounted on the rear case 102 are exposed to the outside.

As shown, when the rear cover 103 is coupled to the rear case 102, a side portion of the rear case 102 can be exposed. In some cases, the rear case 102 may be completely covered by the rear cover 103 during the engagement. Meanwhile, the rear cover 103 may be provided with an opening for exposing the camera 121b and the sound output unit 152b to the outside.

These cases 101, 102, and 103 may be formed by injection molding of synthetic resin or may be formed of metal such as stainless steel (STS), aluminum (Al), titanium (Ti), or the like.

The mobile terminal 100 may be configured such that one case provides the internal space, unlike the above example in which a plurality of cases provide an internal space for accommodating various electronic components. In this case, a unibody mobile terminal 100 in which synthetic resin or metal is connected from the side to the rear side can be realized.

Meanwhile, the mobile terminal 100 may include a waterproof unit (not shown) for preventing water from penetrating into the terminal body. For example, the waterproof portion is provided between the window 151a and the front case 101, between the front case 101 and the rear case 102, or between the rear case 102 and the rear cover 103, And a waterproof member for sealing the inside space of the oven.

The mobile terminal 100 is provided with a display unit 151, first and second sound output units 152a and 152b, a proximity sensor 141, an illuminance sensor 142, a light output unit 154, Cameras 121a and 121b, first and second operation units 123a and 123b, a microphone 122, an interface unit 160, and the like.

1B and 1C, a display unit 151, a first sound output unit 152a, a proximity sensor 141, an illuminance sensor 142, an optical output unit (not shown) The first camera 121a and the first operation unit 123a are disposed on the side of the terminal body and the second operation unit 123b, the microphone 122 and the interface unit 160 are disposed on the side surface of the terminal body, And a mobile terminal 100 having a second sound output unit 152b and a second camera 121b disposed on a rear surface thereof.

However, these configurations are not limited to this arrangement. These configurations may be omitted or disposed on other surfaces as needed. For example, the first operation unit 123a may not be provided on the front surface of the terminal body, and the second sound output unit 152b may be provided on the side of the terminal body rather than the rear surface of the terminal body.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, the display unit 151 may display execution screen information of an application program driven by the mobile terminal 100 or UI (User Interface) and GUI (Graphic User Interface) information according to the execution screen information .

The display unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display display, a 3D display, and an e-ink display.

In addition, the display unit 151 may exist in two or more depending on the embodiment of the mobile terminal 100. In this case, the mobile terminal 100 may be provided with a plurality of display portions spaced apart from each other or disposed integrally with one another, or may be disposed on different surfaces, respectively.

The display unit 151 may include a touch sensor that senses a touch with respect to the display unit 151 so that a control command can be received by a touch method. When a touch is made to the display unit 151, the touch sensor senses the touch, and the control unit 180 generates a control command corresponding to the touch based on the touch. The content input by the touch method may be a letter or a number, an instruction in various modes, a menu item which can be designated, and the like.

The touch sensor may be a film having a touch pattern and disposed between the window 151a and a display (not shown) on the rear surface of the window 151a, or may be a metal wire . Alternatively, the touch sensor may be formed integrally with the display. For example, the touch sensor may be disposed on a substrate of the display or inside the display.

In this way, the display unit 151 can form a touch screen together with the touch sensor. In this case, the touch screen can function as a user input unit 123 (see FIG. 1A). In some cases, the touch screen may replace at least some functions of the first operation unit 123a.

The first sound output unit 152a may be implemented as a receiver for transmitting a call sound to a user's ear and the second sound output unit 152b may be implemented as a loud speaker for outputting various alarm sounds or multimedia playback sounds. ). ≪ / RTI >

The window 151a of the display unit 151 may be provided with an acoustic hole for emitting the sound generated from the first acoustic output unit 152a. However, the present invention is not limited to this, and the sound may be configured to be emitted along an assembly gap (for example, a gap between the window 151a and the front case 101) between the structures. In this case, the appearance of the mobile terminal 100 can be made more simple because the hole formed independently for the apparent acoustic output is hidden or hidden.

The optical output unit 154 is configured to output light for notifying the occurrence of an event. Examples of the event include a message reception, a call signal reception, a missed call, an alarm, a schedule notification, an email reception, and reception of information through an application. The control unit 180 may control the light output unit 154 to terminate the light output when the event confirmation of the user is detected.

Also, in one embodiment of the present invention, the light output unit 154 may be disposed on the rear surface of the mobile terminal 100 to output light for informing whether or not the gesture is recognized. Hereinafter, a specific embodiment will be described with reference to Fig.

The first camera 121a processes an image frame of a still image or a moving image obtained by the image sensor in the photographing mode or the video communication mode. The processed image frame can be displayed on the display unit 151 and can be stored in the memory 170. [

The first and second operation units 123a and 123b may be collectively referred to as a manipulating portion as an example of a user input unit 123 operated to receive a command for controlling the operation of the mobile terminal 100 have. The first and second operation units 123a and 123b can be employed in any manner as long as the user is in a tactile manner such as touch, push, scroll, or the like.

In this figure, the first operation unit 123a is a touch key, but the present invention is not limited thereto. For example, the first operation unit 123a may be a mechanical key, or a combination of a touch key and a touch key.

The contents input by the first and second operation units 123a and 123b can be variously set. For example, the first operation unit 123a receives a command such as a menu, a home key, a cancellation, a search, and the like, and the second operation unit 123b receives a command from the first or second sound output unit 152a or 152b The size of the sound, and the change of the display unit 151 to the touch recognition mode.

On the other hand, a rear input unit (not shown) may be provided on the rear surface of the terminal body as another example of the user input unit 123. The rear input unit is operated to receive a command for controlling the operation of the mobile terminal 100, and input contents may be variously set. For example, commands such as power on / off, start, end, scrolling, and the like, the size adjustment of the sound output from the first and second sound output units 152a and 152b, And the like can be inputted. The rear input unit may be implemented as a touch input, a push input, or a combination thereof.

The rear input unit may be disposed so as to overlap with the front display unit 151 in the thickness direction of the terminal body. For example, the rear input unit may be disposed at the rear upper end of the terminal body such that when the user holds the terminal body with one hand, the rear input unit can be easily operated using the index finger. However, the present invention is not limited thereto, and the position of the rear input unit may be changed.

When a rear input unit is provided on the rear surface of the terminal body, a new type of user interface using the rear input unit can be realized. When the first operation unit 123a is not disposed on the front surface of the terminal body in place of at least a part of the functions of the first operation unit 123a provided on the front surface of the terminal body, The display unit 151 may be configured as a larger screen.

Meanwhile, the mobile terminal 100 may be provided with a fingerprint recognition sensor for recognizing the fingerprint of the user, and the controller 180 may use the fingerprint information sensed through the fingerprint recognition sensor as authentication means. The fingerprint recognition sensor may be embedded in the display unit 151 or the user input unit 123.

The microphone 122 is configured to receive the user's voice, other sounds, and the like. The microphone 122 may be provided at a plurality of locations to receive stereophonic sound.

The interface unit 160 is a path through which the mobile terminal 100 can be connected to an external device. For example, the interface unit 160 may include a connection terminal for connection with another device (for example, an earphone or an external speaker), a port for short-range communication (for example, an infrared port (IrDA Port), a Bluetooth port A wireless LAN port, or the like), or a power supply terminal for supplying power to the mobile terminal 100. The interface unit 160 may be implemented as a socket for receiving an external card such as a SIM (Subscriber Identification Module) or a UIM (User Identity Module) or a memory card for storing information.

And a second camera 121b may be disposed on a rear surface of the terminal body. In this case, the second camera 121b has a photographing direction which is substantially opposite to that of the first camera 121a.

The second camera 121b may include a plurality of lenses arranged along at least one line. The plurality of lenses may be arranged in a matrix form. Such a camera can be named an 'array camera'. When the second camera 121b is configured as an array camera, images can be taken in various ways using a plurality of lenses, and a better quality image can be obtained.

The flash 124 may be disposed adjacent to the second camera 121b. The flash 124 shines light toward the subject when the subject is photographed by the second camera 121b.

And a second sound output unit 152b may be additionally disposed in the terminal body. The second sound output unit 152b may implement a stereo function together with the first sound output unit 152a and may be used for implementing a speakerphone mode in a call.

The terminal body may be provided with at least one antenna for wireless communication. The antenna may be embedded in the terminal body or formed in the case. For example, an antenna constituting a part of the broadcast receiving module 111 (see FIG. 1A) may be configured to be able to be drawn out from the terminal body. Alternatively, the antenna may be formed in a film type and attached to the inner surface of the rear cover 103, or a case including a conductive material may be configured to function as an antenna.

The terminal body is provided with a power supply unit 190 (see FIG. 1A) for supplying power to the mobile terminal 100. The power supply unit 190 may include a battery 191 built in the terminal body or detachable from the outside of the terminal body.

The battery 191 may be configured to receive power through a power cable connected to the interface unit 160. In addition, the battery 191 may be configured to be wirelessly chargeable through a wireless charger. The wireless charging may be implemented by a magnetic induction method or a resonance method (magnetic resonance method).

The rear cover 103 is configured to be coupled to the rear case 102 so as to cover the battery 191 to restrict the release of the battery 191 and to protect the battery 191 from external impact and foreign matter . When the battery 191 is detachably attached to the terminal body, the rear cover 103 may be detachably coupled to the rear case 102.

The mobile terminal 100 may be provided with an accessory that protects the appearance or supports or expands the function of the mobile terminal 100. [ One example of such an accessory is a cover or pouch that covers or accommodates at least one side of the mobile terminal 100. [ The cover or pouch may be configured to interlock with the display unit 151 to expand the function of the mobile terminal 100. Another example of an accessory is a touch pen for supplementing or extending a touch input to the touch screen.

Hereinafter, embodiments related to a control method that can be implemented in the mobile terminal configured as above will be described with reference to the accompanying drawings.

It is not difficult for a recent mobile terminal 100 capable of high-level operation to analyze a user's gesture based on an image received through a camera. Since the gesture of the user analyzed in this manner can assist the control of the mobile terminal 100 more intuitively, a lot of studies are currently being conducted on the control method using the gesture. An embodiment of the present invention described below is to propose a mobile terminal and a control method thereof that enable various photo shoots to be controlled by analyzing and analyzing a gesture of a user. In order to provide a preview screen to a user at the time of photographing, it is common to continuously receive images through an activated camera even before photographing. Therefore, in one embodiment of the present invention, a control method capable of controlling photographing by analyzing a user's gesture in an image continuously received before photographing is provided. Specific embodiments will be described in detail below with reference to the drawings.

FIG. 2 is a flow chart for controlling photographing through gesture analysis of a user according to an embodiment of the present invention. FIG.

In step S201, the control unit 180 activates the camera 121 (including both the first camera and the second camera, hereinafter referred to as identification code 121).

According to an embodiment of the present invention, in activating the camera, it is proposed that the user automatically activates the camera when it is determined that the user is holding the camera for a predetermined time or longer. That is, in order to activate the camera, even if the user does not additionally input an execution command, it is determined that the user intends to capture the image and the camera is automatically activated.

The acceleration sensor, the gyro sensor, and / or the gravity sensor may be used in the embodiment of the present invention based on the determination that the camera is held for a predetermined time or longer. When a user photographs a picture using the mobile terminal 100, the user needs to extend a certain distance with respect to the camera 121 provided in the mobile terminal. When analyzing the operation of the user, a change in the acceleration of the mobile terminal 100 itself and / or a change in the tilt of the mobile terminal 100 may be momentarily detected through the sensors and then stopped immediately. In addition, since it is common for the user to photograph his / her face at an angle looking down from above and above, it is necessary to analyze the direction of the camera of the mobile terminal 100 (which may be detectable through the gravity sensor) So that the user can judge the photographing intention.

Then, in step S202, the gesture of the user is sensed in the image received through the camera 121 activated. In one embodiment of the present invention, a user's gesture may refer to a gesture to a hand that has recognized and recognized the user's hand. Further, in an embodiment of the present invention, it is proposed to recognize not only the user's gesture but also the face of the user.

3 is a diagram showing a state diagram of a mobile terminal that recognizes a user's face and a hand according to an embodiment of the present invention.

The control unit 180 according to an embodiment of the present invention outputs a preview screen of the image activated through the camera while simultaneously displaying the face indicator 301 and hand indicator 302 at the recognized face and hand positions Can be displayed.

Referring to FIG. 3A, a photographing state diagram of the mobile terminal 100 entering the photographing mode is shown. The photographing mode may include a photograph mode for photographing a still photograph / burst photograph and a moving picture mode for photographing a moving picture. The control unit 180 displays a preview screen for the received image using the activated camera. The preview screen in the embodiment of the present invention is a screen that is output for providing to the user before photographing, and the controller 180 may output a preview screen according to the setting and / And may not print.

As shown in FIG. 3 (a), the photograph photographing state diagram may include a setting button region 300-1 and a control button region 300-2. The setting button region 300-1 may be composed of buttons including an environment control button 300a for setting the shooting environment. The control button region 300-2 may include at least one of a quick view button 300b, a shutter button 300c, and a picture / movie mode switching button 300d. The quick view button 300b is a button for browsing recently photographed pictures, and the control unit 180 outputs the photograph most recently photographed corresponding to the input to which the quick view button 300b is touched. The shutter button 300c is a button for photographing in the picture mode and for starting and ending the motion picture recording in the moving picture mode. The picture / video mode switching button 300d is a button for switching between the picture mode and the moving picture mode.

Returning to the flowchart of FIG. 2 again, in step S202-1, the control unit 180 detects the user's hand and face included in the image received through the activated camera. Such sensing may utilize a shape recognition algorithm (S202-1). The shape recognition algorithm refers to an algorithm that can distinguish the shape of a face and a hand of a person who includes an image. That is, the controller 180 may detect the shape of the hand through the shape recognition algorithm and detect the hand gesture using the sensed shape. Furthermore, embodiments of the present invention may detect not only one but a plurality of faces and hands (and gestures thereof).

In step S203, the controller 180 determines whether the first hand gesture is detected using the shape recognition algorithm. If the first hand gesture is not detected, the control unit 180 may repeat step S202 again. If the first hand gesture is detected, the controller 180 proceeds to step S204. The first hand gesture may be a start gesture indicating an input of a hand gesture. Hereinafter, the start gesture and the action gesture will be described in detail.

In an embodiment of the present invention, a hand gesture sensed using a shape recognition algorithm is used as a user input means. However, if a hand gesture is used as a user inputting means, there is a possibility of misreading. Therefore, in one embodiment of the present invention, it is proposed to use the hand gesture as an initial gesture and an action gesture. The start gesture is a gesture informing the use time of the hand gesture as an input means. The control unit 180 may not perform any function even if a hand gesture is detected until the start gesture is detected. When the start gesture is detected, the control unit 180 may perform a predetermined function corresponding to the continuously detected action gesture. In one embodiment of the present invention, a state in which the start gesture is detected and the additional detection of the action gesture is awaited will be referred to as a gesture execution mode.

In this case, the controller 180 may operate to perform a predetermined function only when an action gesture is detected within a predetermined time after the start gesture is detected, in order to further reduce the frequency of false recognition. For example, when a user desires to perform a second function matching the second gesture, the user may input the start gesture and then continuously input the second gesture.

A control method of setting the start gesture and the action gesture will be described later with reference to Fig.

In an example to illustrate embodiments of the present invention, it is assumed that the start gesture is a gesture 20a (hereinafter referred to as a palm gesture) in which a finger is stretched and a palm is visible.

3 (a), the controller 180 detects the user's face and palm gesture, and the controller 180, which senses the palm gesture as the start gesture, as shown in FIG. 3 (b) The face indicator 301 and the hand indicator 302 can be displayed on the face and / or the hand position of the user respectively (step S204).

4 is a view showing a control screen for setting a start gesture and an action gesture according to an embodiment of the present invention.

4 (a) is a diagram showing a state diagram of the photographing setting screen. The control unit 180 can output the photographing setting screen in response to a setting screen entry instruction of the user (for example, touch input of the environment control button 300a).

The photographing setting screen according to an embodiment of the present invention may include various setting buttons required for photographing. For example, the shooting setting screen may include a resolution setting button, a brightness setting button, a focus setting button, a gesture setting button, and the like. Upon receiving the input 10a from which the gesture setting button is selected, the control unit 180 can output the gesture setting screen (state diagram of Fig. 4 (b)).

The gesture settings screen allows the user to specify hand gestures for use as start gestures and action gestures. For example, the user can designate the palm gesture as a start gesture through the gesture setting screen. You can also set an action that corresponds to an action gesture. Here, the action means a function performed by the control unit 180 in response to an action gesture.

Upon receiving the instruction 10b for setting an action, the control unit 180 can output the action setting screen as shown in Fig. 4 (c). In the action setting screen, the user can set "timer" and / or "voice recording" as a function to be performed in response to the action gesture detection.

The "timer" means a setting of how many seconds after the action gesture is detected, and the shooting is to be performed. That is, when the action gesture is received, the control unit 180 can take an image after the set timer time.

"Voice recording" means a setting as to what voice guidance is output after an action gesture is detected. That is, when the action gesture is received, the control unit 180 can take an image after outputting the set voice data.

5 is a diagram showing a control method of photographing a picture corresponding to an action gesture according to an embodiment of the present invention.

In the example for explaining the embodiments of the present invention, it is assumed that the action gesture is a gesture 20b (hereinafter referred to as a fist gesture) in which the fingers are all gripped with fingers.

Referring to FIG. 5A, the user's face and hand are recognized through the shape recognition algorithm as described above. In particular, the control unit 180 outputs the hand indicator 302 in response to the recognition of the palm gesture 20a as the start gesture.

The control unit 180 receiving the start gesture palm gesture 20a may further output a display object 501 for guiding the input of the action gesture. This display object 501 may be a display object that guides the transition from the palm gesture 20a (the shape of the first hand) to the fist gesture 20b (the shape of the second hand). In addition, the display object 501 may be an animation that alternately outputs the design for the palm gesture 20a as the start gesture and the fist gesture 20b as the action gesture.

The embodiment of Fig. 5 will be described with reference to the flowchart of Fig.

In step S205, the control unit 180 detects the second hand gesture. Here, the second hand gesture may be an action gesture. That is, if an action gesture is detected, the control unit 180 may proceed to step S206, and if the action gesture is not detected, the control unit 180 may return to step S204. Referring to FIG. 5 (b), the controller 180 detects the fist gesture 20b, which is an action gesture, and proceeds to step S206.

In step S206, the control unit 180 can take an image through the activated camera. In one embodiment of the present invention, it is proposed not to perform shooting immediately in response to detection of an action gesture. This is because hand gesture input is typically done through a camera, since it is desirable that such hand gesture input is not included in the photographed image. Accordingly, in an embodiment of the present invention, as set in FIG. 4, it is proposed that a photograph is taken after outputting voice data set after or after a predetermined timer time after the action gesture is sensed. In the example shown in FIG. 5, it is assumed that a 3 second timer is set.

In other words, as shown in FIG. 5 (c), the controller 180 operates the set timer in response to detection of the fist gesture 20b, and can take a picture when the set timer expires.

Meanwhile, in an embodiment of the present invention, when the predetermined condition is satisfied, it is proposed to perform additional shooting (steps S207 to S209). According to the above description, since it is necessary to go through a process such as a start gesture input, an action gesture input, and a setting timer operation, it may not be appropriate to continuously photograph a plurality of pictures. Therefore, in an embodiment of the present invention, it is proposed to perform additional shooting when a predetermined condition is satisfied. This embodiment will be described with reference to Figs. 6 and 7 together with steps S207 to S209 in the flowchart of Fig.

6 is a diagram showing a control method of outputting a preview screen of a photographed image according to an embodiment of the present invention. 7 is a diagram showing a control method of performing additional image capturing according to an embodiment of the present invention.

Referring to FIG. 6 (a), the control unit 180 photographs a photograph in step S206. If the predetermined condition is satisfied, the control unit 180 performs additional shooting. If the predetermined condition is not satisfied, the control unit 180 displays a preview popup window of the photographed picture as shown in the state diagram of FIG. 6 (b) It is possible to control so as to directly output the output signal 601. Here, the predetermined condition means a condition (additional shooting condition) for judging whether or not the user will continue shooting.

In an embodiment of the present invention, it is proposed to utilize the angle of the mobile terminal and / or whether or not the user recognizes the face to grasp whether the user is willing to shoot continuously. If the position or angle of the mobile terminal does not change after taking one shot, there will be an additional shooting intention.

That is, the controller 180 according to an embodiment of the present invention detects whether the angle of the mobile terminal 100 sensed through the gyro sensor changes by more than a predetermined angle. If the angle of the mobile terminal 100 changes by more than a predetermined angle, (Angle change detection).

The control unit 180 according to another embodiment of the present invention can output the preview pop-up window 601 when the angle of the mobile terminal 100 detected through the gyro sensor is within a predetermined angle range. In general, when photographing a photograph, the camera 121 of the mobile terminal 100 is fixed at a certain angle since it should face the subject, but when the photographing is completed, the user rotates the touch screen 151 at an angle that is easy to view Range detection of angle).

The control unit 180 according to another embodiment of the present invention can determine that the face recognized through the camera is no longer recognized and output the preview popup window 601. [ That is, if the face included in the initial photographing is not recognized through the camera any more, it can be seen that there is no additional photographing intention.

In step S208, if the face detected in step S202 is continuously detected, the controller 180 proceeds to step S207. If the face is not detected any more, the controller 180 may proceed to step S209. In step S209, the control unit 180 determines that there is no additional photographing intention and outputs a preview screen (preview pop-up window 601) of the photographed image.

In step S207, the control unit 180 may photograph additional images as shown in FIG. Referring to FIG. 7 (a), the control unit 180 photographs a photograph in step S206.

7 (b), the control unit 180 may perform additional shooting as shown in FIG. 7 (c) when the angle and the detected face are continuously detected.

Furthermore, in the embodiment of the present invention, as described above, it is proposed that the photograph is automatically photographed based on the face recognition result in addition to the additional photographing as well as the initial photographing.

If it is determined that the predetermined face is continuously detected on the image received through the camera, the controller 180 may automatically photograph the image.

In an embodiment of the present invention, since the photographing is controlled by sensing the gesture, the control buttons output through the touch screen may be unnecessary. Accordingly, it is proposed to display / remove the control buttons corresponding to a predetermined gesture input. This embodiment will be described with reference to Fig.

8 is a diagram illustrating a control method for displaying / removing a setting button region 300-1 and a control button region 300-2 including at least one button according to an embodiment of the present invention.

Referring to FIG. 8A, the mobile terminal 100 is a photographing mode, and outputs a photographing state diagram through a touch screen 151. As described above with reference to FIG. 3, the control unit 180 may include a setting button region 300-1 and a control button region 300-2 in the photographing state diagram.

In an embodiment of the present invention described with reference to Fig. 8, after a start gesture (e.g., palm gesture 20a) is sensed, corresponding to an action gesture (hereinafter, a button removal gesture) , It is suggested to stop displaying the various control buttons displayed on the camera preview screen.

In the figure shown in Fig. 8, the start gesture, palm gesture 20a, is shown after it is already sensed.

8A, when the button removal gesture is received, the control unit 180 may control to remove the output of the button that is being output to the setting button region 300-1 and the control button region 300-2 . In one embodiment of the invention, the button removal gesture can be a gesture 20a (from (a) to (b)) that sweeps the palm downward.

On the contrary, when the button display gesture, which is an action gesture for displaying a button in FIG. 8B, is received, the controller 180 displays the setting button area 300-1 and the control button area 300-2 buttons Can be controlled. In one embodiment of the present invention, the button display gesture can be a gesture 20b sweeping the palm upwards (changing from (b) to (a)).

In an embodiment of the present invention, the mobile terminal 100 proposes a gesture for easily switching between a plurality of cameras 121. [ This embodiment will be described with reference to Figs. 9A and 9B.

9A and 9B are diagrams showing a gesture for switching among a plurality of cameras.

Referring to FIG. 9A, the mobile terminal 100 shows a state diagram in a photographing mode and outputs a preview screen of an image received through the front camera 121a (the first camera in FIG. 1B).

9A and 9B, an action gesture (hereinafter referred to as a camera switching gesture) for switching the camera is detected after a start gesture (for example, a palm gesture 20a) is detected, It is proposed to switch between the front camera 121a and the rear camera 121b (the second camera in Fig.

9A and 9B illustrate after the palm gesture 20a, which is the start gesture, is already sensed.

When the camera switching gesture is detected, the control unit 180 can switch between the front camera 121a and the rear camera 121b. That is, when the camera switching gesture is detected during the outputting of the preview screen through the front camera 121a (FIG. 9A), the controller 180 displays a preview screen for the image received through the rear camera 121b Can be output. The opposite is true. In this case, as an example of the camera switching gesture, in an embodiment of the present invention, a gesture to turn the palm of the hand is mentioned.

On the other hand, in the dual shooting mode in which both cameras are activated to take a picture, it is possible to switch between the preview screen areas in response to the camera switching gesture.

9B is a diagram showing an example of the dual shooting mode. 9B, a preview screen for an image received through the front camera 121a is output to the first area 901a (main preview area), and a preview image for the image received through the rear camera 121b The preview screen is output to the second area (901b, auxiliary preview area). When the camera switching gesture is detected, the control unit 180 outputs a preview screen for the image received through the front camera 121a to the second area 901b, and displays a preview image for the image received through the rear camera 121b The preview screen can be switched to be output to the first area 901a.

According to the above-described embodiment, in response to the detection of the action gesture, the control unit 180 has performed photographing one time. In another embodiment of the present invention, it is proposed that the user shoots the number of times specified. In particular, the number of times is also suggested to use hand gestures. This embodiment will be described with reference to Fig.

10 is a diagram showing a control method of designating the number of times of shooting according to the detection of the additional hand gesture, according to an embodiment of the present invention.

Referring to FIG. 10 (a), the controller 180 is a diagram showing a state in which a timer is operated in response to detection of an action gesture. Following detection of the action gesture (second hand gesture), including detection of a start gesture (first hand gesture), when an additional gesture (third hand gesture) is sensed, The number of times of shooting can be adjusted by the number of times.

The additional gesture may be a gesture of expanding the number of additional shots. In the example shown in FIG. 10 (a), the control unit 180 detects an additional gesture for spreading three fingers, and detects bursts of three bursts shot.

The control button region 300-2 described above includes a picture / video mode switching button 300d for switching between the picture mode and the moving picture mode. In one embodiment of the present invention, when a gesture at a specific location is sensed, it is proposed to perform switching between the photo / movie modes. This embodiment will be described with reference to Figs. 11 and 12. Fig.

11 and 12 are views for explaining a gesture for switching between a picture mode and a moving picture mode according to an embodiment of the present invention.

Referring to FIG. 11 (a), the mobile terminal 100 shows a photographing state diagram. The shooting state diagram includes a picture mode button 1101a for switching to the picture mode and a moving picture mode button 1101b for switching to the moving picture mode.

The control unit 180 can change the mode to the corresponding mode when a predetermined hand gesture is detected on the photograph mode button 1101a or the moving picture mode button 1101b. As in the example shown in FIGS. 11B and 11C, when a predetermined gesture is input to the position of the moving picture mode button 1101b on the preview screen, the moving picture mode can be changed. In this case, the predetermined gesture may be a gesture in which a palm gesture 20a, which is a start gesture, and a fist gesture 20b, which is an action gesture, are sequentially input to the position of the moving image mode button 1101b on the preview screen.

11, the fist gesture 20b, which is the same action gesture as the previous embodiment, is illustrated. However, since the gestures can be made on the mode button, In combination with the above-described embodiments. For example, if the start and action gestures 20a and 20b are not performed on the mode button, shooting may be performed as shown in FIG. 5, and when the start and action gestures 20b and 20b are performed on the mode button, .

Alternatively, as shown in FIG. 12, the predetermined gesture may be a gesture 20e-1 to 20e-2 that draws a circle at a position of a moving picture mode button 1101b on a preview screen using a finger.

Meanwhile, in the embodiment of the present invention, it is proposed to use the gesture to specify the start point of shooting and the end point of shooting in the moving picture shooting mode. This embodiment will be described with reference to FIG.

FIG. 13 is a diagram for explaining a predetermined gesture for designating the start and end times of moving picture shooting, according to an embodiment of the present invention.

Referring to FIG. 13 (a), the control unit 180 outputs the photographing state diagram in the moving image mode. When the photographing start gesture is input, the control unit 180 can start photographing the moving picture (Fig. 13 (b)).

In this case, the shooting start gesture may be a fist gesture 20b like the action gesture at the time of photographing. However, a palm gesture 20a, which is a start gesture, must be input before inputting the action gesture. That is, when the user inputs the palm gesture 20a and inputs the fist gesture 20b, the user can start shooting the moving image.

When the photographing end gesture is input during photographing of the moving image, the control unit 180 can stop photographing the moving image being captured and store the photographed moving image as shown in FIG. 13 (c). In this case, the example of the shooting end gesture may also be a fist gesture 20b.

Meanwhile, in an embodiment of the present invention, it is further proposed that the fist gesture 20b stored together during shooting of the moving image is automatically deleted from the stored moving image. This is because the intention of the user is to store only the image until the shooting end gesture is applied. That is, when the photographing end gesture is detected, the control unit 180 may control to store only the moving image up to a predetermined time before the photographing end gesture is detected, and to automatically delete the remaining one.

In the above-described embodiment, the case where only one person is included in the image has been described as an example. However, the embodiments of the present invention may be applied to a case where a plurality of persons are included. An embodiment of this case will be described with reference to Fig.

14 is a diagram illustrating a control method for recognizing a hand gesture when a plurality of users are included according to an embodiment of the present invention.

Referring to FIG. 14 (a), the control unit 180 shows a photographing state diagram, and displays a preview screen for an image received through the camera. The preview screen includes a plurality of persons, and the control unit 180 can recognize a plurality of hands for a plurality of persons. Then, the controller 180 can output the hand indicators 302-1, 302-2, ... for a plurality of recognized hands.

According to an embodiment of the present invention, when recognizing a plurality of hands as described above, it is proposed to select one of the hands and to control the mobile terminal using a gesture recognized through the selected hand. That is, in one embodiment of the present invention, a hand nearest to the mobile terminal 100 among the recognized plurality of hands may be selected, and an operation may be performed based on the hand gesture of the selected hand.

The decision of the nearest hand may be made using the size of the recognized hand or a separate sensor capable of sensing the distance. One embodiment of the present invention is not limited to the control method of sensing the distance of the sensed hand.

When the closest hand is determined, the controller 180 can control to output only the hand indicator 302-1 indicating the closest hand, as shown in Fig. 14 (b). That is, the hand indicators 302-2, 302-3, ... for the remaining hands except for the closest hand can stop the display.

When the start gesture and the action gesture are sensed using the selected hand, the control unit 180 can perform shooting as shown in FIG. 14 (c).

Meanwhile, an embodiment of the present invention proposes a control method of informing a recognition state of a hand by using a light emitting element. This embodiment will be described with reference to Fig.

15 is a diagram showing a control method of guiding a recognition state of a hand using a light emitting element according to an embodiment of the present invention.

In the example illustrating the embodiment of FIG. 15, it is assumed that the optical output section 154 is provided on the back surface of the mobile terminal 100. FIG.

FIG. 15A is a diagram showing a state in which a hand is correctly recognized using a shape recognition algorithm, FIG. 15B is a state in which it is insufficiently recognized, and FIG. 15C is a state in which recognition is failed. In order to indicate the above-described recognition state, the control unit 180 sets the light output unit 154 to the first color in the correctly recognized state, the second color in the insufficient recognition state, and the third color .

That is, the user can determine whether or not his / her hand is correctly recognized through the color change of the light output unit 154 provided on the back surface of the mobile terminal 100.

An embodiment of the present invention further proposes a control method for performing control of a photographed image using the hand gesture described above. This embodiment will be described with reference to Figs. 16 and 17. Fig.

16 and 17 are views showing a control method of managing a plurality of images photographed according to an embodiment of the present invention by using a hand gesture.

Referring to Fig. 16 (a), the control unit 180 shows a photographing state diagram for photographing a burst photograph. The photographing state diagram may further include a progressive bar 1600 indicating the ratio of the current photographing image to the photographing image.

When the photographing is completed, the control unit 180 can control to output a thumbnail area 1601 including thumbnails for the plurality of photographed photographs, as shown in Fig. 16 (b). Each of the thumbnails of the photographs included in the thumbnail region 1601 may include a check box 1602 that can be checked by the user. The check box 1602 can be switched between check and release each time the user touches the check box.

In one embodiment of the present invention, un-focused images among a plurality of photographed photographs are automatically proposed to be unchecked. That is, since the user does not store the shaky picture, it is controlled so that it is automatically unchecked so as to be easily deleted.

If a user's image deletion gesture is detected while the thumbnail area 1601 is being displayed, the controller 180 deletes the image corresponding to the unchecked thumbnail image and stores only the image corresponding to the checked thumbnail image .

In the example shown in FIG. 16, the image deletion gesture may be a gesture in which a fist gesture 20b as a start gesture and a palm gesture 20a as an action gesture are sequentially sensed.

In an embodiment of the present invention, as shown in FIG. 17, the thumbnail area 1601 can be controlled to be displayed on the entire touch screen 151. [

Referring to Fig. 17 (a), the control unit 180 shows a photographing state diagram for photographing a burst photograph.

According to an embodiment of the present invention, when the burst shooting is completed, the controller 180 may control the touch screen 151 to output the thumbnail area 1601 immediately.

According to another embodiment of the present invention, even if burst shooting is completed, the thumbnail area 1601 is not output immediately. As shown in FIG. 17A, when a command to display a preview area is continuously output from the user, the touch screen 151 can be controlled to output the thumbnail area 1601.

On the other hand, when there are many pictures taken by the burst shot, as shown in FIG. 16, the thumbnail area 1601 shown in only a part of the touch screen may not be enough to include all the thumbnails. Accordingly, the controller 180 according to an embodiment of the present invention can output the thumbnail region 1601 to the entire touch screen 151 area, as shown in FIG. 17 (b).

In one embodiment of the present invention, after the start gesture is applied, it is proposed to activate / deactivate the flash function of the mobile terminal 100 in response to detection of an input of a predetermined gesture. This embodiment will be described with reference to Fig.

18 is a diagram showing a control method of activating / deactivating the flash function according to an embodiment of the present invention.

Referring to FIG. 18 (a), the control unit 180 outputs a photographing state diagram and detects a palm gesture 20a as a start gesture of the user through a preview screen. After the detection of the start gesture, if the predetermined gesture is subsequently detected, the control unit 180 can activate / deactivate the flash function of the mobile terminal 100 (see FIG. 18 (c)). An example of the predetermined gesture according to an embodiment of the present invention is a hand gesture 20f that performs a finger snap.

In one embodiment of the present invention, a control method capable of further recording a voice after photographing is further proposed. This embodiment will be described with reference to Fig.

19 is a diagram showing a control method for recording a voice in a photographed picture according to an embodiment of the present invention.

Referring to Fig. 19 (a), the control unit 180 outputs the photographing state diagram in which photograph photographing is completed. Subsequently, when a voice input gesture (third hand gesture) is received, the control unit 180 can start recording the voice for the photographed photograph. The voice input gesture may be a gesture received after the start gesture received (first hand gesture) and the action gesture for taking (second hand gesture) before the shot is taken. While the voice recognition gesture continues, the control unit 180 may continuously perform voice recording. An example of the voice input gesture according to an embodiment of the present invention may be a gesture that takes a fist to the face as if the microphone is held in the mouth (see Fig. 19 (b)). Since the gesture (20g) that takes a microphone to a human face relates to the action of recording a voice, the gesture described above has the advantage of being intuitive.

When the voice recognition gesture ends, the control unit 180 ends voice recording and may store the recorded voice data corresponding to the image photographed in Fig. 19 (a). Here, the correspondence storage means that when reading the image, the identification information is linked so that the audio data can be reproduced together or reproduced in association with each other.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

The present invention described above can be implemented as computer readable codes on a medium on which a program is recorded. The computer readable medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of the computer-readable medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and also implemented in the form of a carrier wave (for example, transmission over the Internet) . Also, the computer may include a control unit 180 of the terminal.

Accordingly, the above description should not be construed in a limiting sense in all respects and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention.

100: mobile terminal 110: wireless communication unit
120: A / V input / output unit 130: user input unit
140: sensing unit 150: output unit
160: memory 170: interface section
180: control unit 190: power supply unit

Claims (20)

camera; And
And a controller for controlling the camera to take a picture after a predetermined time has elapsed when a photographing command is received,
The photographing instruction is an input in which a first hand gesture is recognized through the camera and then a second hand gesture is recognized,
Wherein the control unit further outputs a display object for guiding the switching from the first hand gesture to the second hand gesture,
Mobile terminal. The method according to claim 1,
Wherein the first hand gesture is a stationary gesture,
Wherein the second hand gesture is a continuous gesture in the first hand gesture,
Mobile terminal. 3. The method of claim 2,
Wherein the first hand gesture is a palm-cheeked gesture, and the second hand gesture is a gesture of the palm-
Mobile terminal. The method according to claim 1,
Further comprising a touch screen,
Wherein the controller controls the touch screen to output a gesture indicator when the first hand gesture is recognized,
Mobile terminal. 5. The apparatus of claim 4,
Controls the touch screen to output a preview screen for the camera,
Wherein the position at which the gesture indicator is output is determined based on the position of the recognized hand on the output preview screen,
Mobile terminal. The method according to claim 1,
Wherein the first hand gesture is a gesture indicating that the photographing preparation is completed and the second hand gesture is a gesture indicating a photographing command,
Mobile terminal. The apparatus of claim 1,
After the photographing, if the additional photographing condition for judging the user's additional photographing intention is satisfied,
Mobile terminal. 8. The method of claim 7,
Wherein the control unit further detects a face of a user included in an image received through the camera,
Wherein the additional shooting condition is a condition in which the detected face of the user is continuously detected,
Mobile terminal. The apparatus of claim 1,
When a photographing instruction is received and a third hand gesture in which the shape of the sensed hand designates the number of photographing is recognized before the predetermined time elapses,
Mobile terminal. The method according to claim 1,
Further comprising a touch screen,
Wherein the control unit controls the touch screen to output a timer for counting down the predetermined time when the photograph photographing instruction is received,
Mobile terminal. Recognizing a user's hand gesture through a camera; And
Capturing a picture after a preset time has elapsed when a picture taking command is received,
The photographing instruction is an input in which a first hand gesture is recognized through the camera and then a second hand gesture is recognized,
Further comprising outputting a display object that directs the transition from the shape of the first hand to the shape of the second hand.
A method of controlling a mobile terminal. 12. The method of claim 11,
Wherein the first hand gesture is a stationary gesture,
Wherein the second hand gesture is a continuous gesture in the first hand gesture,
A method of controlling a mobile terminal. 13. The method of claim 12,
Wherein the first hand gesture is a palm-cheeked gesture, and the second hand gesture is a gesture of the palm-
A method of controlling a mobile terminal. 12. The method of claim 11,
Controlling the touch screen to output a gesture indicator when the first hand gesture is recognized,
A method of controlling a mobile terminal. 15. The method of claim 14,
Further comprising the step of controlling the touch screen to output a preview screen for the camera,
Wherein the position at which the gesture indicator is output is determined based on the position of the recognized hand on the output preview screen,
A method of controlling a mobile terminal. 12. The method of claim 11,
Wherein the first hand gesture is a gesture indicating that the photographing preparation is completed and the second hand gesture is a gesture indicating a photographing command,
A method of controlling a mobile terminal. 12. The method of claim 11,
Further comprising photographing additional photographs through said camera if said additional photographing condition for judging the user's further photographing intention after said photographing is satisfied,
A method of controlling a mobile terminal. 18. The method of claim 17,
Further comprising detecting a user's face included in the image received through the camera,
Wherein the additional shooting condition is a condition in which the detected face of the user is continuously detected,
A method of controlling a mobile terminal. 12. The method according to claim 11,
When a photographing instruction is received and a third hand gesture in which the shape of the sensed hand designates the number of photographing is recognized before the predetermined time elapses,
A method of controlling a mobile terminal. 12. The method of claim 11,
Further comprising the step of controlling the touch screen to output a timer for counting down the predetermined time when the photographing instruction is received,
A method of controlling a mobile terminal.

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