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.
1A to 1C are block diagrams for explaining a mobile terminal according to the present invention, and FIGS. 1B and 1C are conceptual diagrams showing 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 a power supply unit 190 ), 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 between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and another mobile terminal 100 or between the mobile terminal 100 and the external server 100. [ Lt; RTI ID = 0.0 > wireless < / RTI > In addition, the wireless communication unit 110 may include one or more modules for connecting the mobile terminal 100 to one or more networks.
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, A microphone 226, a battery gauge, an environmental sensor (for example, a barometer, a hygrometer, a thermometer, a radiation detection sensor, A thermal sensor, a gas sensor, etc.), a chemical sensor (e.g., an electronic nose, a healthcare sensor, a biometric sensor, etc.). Meanwhile, the mobile terminal disclosed in the present specification can combine and utilize information sensed by at least two of the sensors.
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.
In addition, the memory 170 stores data supporting various functions of the mobile terminal 100. 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. Also, at least a part of these application programs may exist on the mobile terminal 100 from the time of shipment for the basic functions (e.g., telephone call receiving function, message receiving function, and calling function) of the mobile terminal 100. 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 such as a mobile communication module or a mobile communication module that uses technology standards or a communication method (e.g., Global System for Mobile communication (GSM), Code Division Multi Access (CDMA), Code Division Multi Access 2000 (Enhanced Voice-Data Optimized or Enhanced Voice-Data Only), Wideband CDMA (WCDMA), High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE) And an external terminal, or a server on a mobile communication network established according to a long term evolution (e. G., Long Term Evolution-Advanced).
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.
Wireless Internet technologies include, for example, wireless LAN (WLAN), wireless fidelity (Wi-Fi), wireless fidelity (Wi-Fi) Direct, DLNA (Digital Living Network Alliance), WiBro Interoperability for Microwave Access, High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE) and Long Term Evolution-Advanced (LTE-A) 113 transmit and receive data according to at least one wireless Internet technology, including Internet technologies not listed above.
The wireless Internet module 113 for performing a wireless Internet connection through the mobile communication network can be used for wireless Internet access by WiBro, HSDPA, HSUPA, GSM, CDMA, WCDMA, LTE or LTE- May be understood as a kind of the mobile communication module 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), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technology. The short-range communication module 114 is connected to the mobile terminal 100 and the wireless communication system through the wireless area networks, between the mobile terminal 100 and another mobile terminal 100, or between the mobile terminal 100 ) And the other mobile terminal 100 (or the external server). The short-range wireless communication network may be a short-range wireless personal area network.
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. Optionally, the location information module 115 may perform any of the other functions of the wireless communication unit 110 to obtain data relating to the location of the mobile terminal, in addition or alternatively. The location information module 115 is a module used to obtain the location (or current location) of the mobile terminal, and is not limited to a module that directly calculates or obtains the location of the mobile terminal.
Next, the input unit 120 is for inputting image information (or signal), audio information (or signal), data, or information input from a user. For inputting image information, Or a plurality of cameras 121 may be provided. 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 may be displayed on the display unit 151 or stored in the memory 170. [ 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 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 unit or a mechanical key such as a button located on a front or 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 the presence of an object in the vicinity of the detection surface, without mechanical contact by using 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.
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 uses 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, Detection.
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, a capacitance at the time of touch, and the like where a touch object touching the touch screen is touched 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 touching 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 sensor (for example, a CCD, a CMOS, etc.), a photo sensor (or an image sensor), and a laser 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 .
Also, 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 the 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 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, 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 on 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 solid state disk type, an SDD type (Silicon Disk Drive type), a multimedia card micro type ), Card type memory (e.g., SD or XD memory), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read memory, a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, and / or an 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 . A description of a particular type of mobile terminal, although relevant to a particular type of mobile terminal, is generally applicable to other types of mobile terminals.
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 (for example, a frame, a housing, a cover, and the like) that 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) A second operation unit 123b, a microphone 122 and an interface unit 160 are disposed on a 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 excluded or replaced as needed, or placed on different planes. 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 surface 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.
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 addition, the first and second operation units 123a and 123b may be employed in a manner that the user operates the apparatus without touching the user through a proximity touch, a hovering touch, 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 a mobile terminal configured as above will be described with reference to the accompanying drawings. 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 mobile terminal 100 (see FIG. IA) according to an embodiment of the present invention, which can include at least one of the above-described components, can perform a video image shooting function. The image photographing function may mean a function of storing an image received through the camera 121 (see FIG. 1A) in the memory 170 (see FIG. 1A). Here, the operation of the mobile terminal storing the image received through the camera 121 in the memory 170 may include 'capture images',' capture images', 'capture images',' Perform image shooting operation ', and the like. In addition, various expressions having the meaning of storing the image received through the camera 121 in the memory 170 can be freely used without being bound to the above-mentioned expressions.
Execution of the image photographing function may mean executing an application which is driven for image photographing. When the image capturing function is executed, the control unit 180 can activate the camera 121 to prepare the image capturing state.
The image photographing function can be executed based on whether the icon (or the icon of the application) associated with the image photographing function is selected (or touched). On the basis of the icon being selected, when the image photographing function is performed, the display unit 151 may be on. Meanwhile, the image capturing function may include at least one of a key (e.g., at least one of a hardware key and a software key) included in the mobile terminal, in addition to the method of selecting the icon associated with the image capturing function , It can be executed. In this case, even if the display unit 151 is off, the control unit 180 can execute the image photographing function corresponding to the selection of the key included in the mobile terminal.
The mobile terminal according to the present invention can perform a video image capturing operation based on a user's selection, and the selection of such a user can be expressed by a 'user control command' or a 'control command'. For example, when a user touches or presses a hardware key provided on the mobile terminal, or when a software key (for example, the user can perform a video photographing operation by touching a key or a visual key. That is, the control unit 180 (see FIG. 1A) of the mobile terminal 100 displays a software key or a visual key (see FIG. 1A), which is displayed on the display unit 151, visual key) is touched, it can be determined that the user's control command for performing the image photographing operation has been received.
Also, the present invention is not limited to this, and the mobile terminal 100 related to the present invention can photograph images based on reception of user control commands in various manners. For example, when the image received (input) through the camera 121 is output on the display unit 151, the control unit 180 controls the image or the touch of the predetermined type in the display unit 151 It is possible to shoot the image based on the addition.
The predetermined type of touch is a touch associated with the image capturing operation, and may include various types of touches. For example, the preset touch may be a short touch, a continuous touch, a long touch, a multi touch, or the like, in which at least two short touches are applied within a reference time, Touch, drag, touch, flick touch, pinch-in touch, pinch-out touch, swype touch, hovering touch And the like.
In addition, the mobile terminal 100 related to the present invention may capture the image (or the graphic object) based on whether the graphic object (or the image corresponding to the subject) included in the image satisfies predetermined conditions . For example, when it is determined that the graphic object included in the image matches (or is similar to) a preset stored graphic object, the controller 180 may photograph the image (or the graphic object).
The image received through the camera 121 may be referred to as a preview image and refers to an image received through the camera 121 in real time. That is, the image (or the screen information included in the image) received through the camera 121 may be information indicating that the mobile terminal 100 is moved by an external force and that the object (or the object) existing within the angle of view of the camera 121 And the like).
The image (or the preview image) may be stored in the memory unit 170 as either a still image or a moving image.
Meanwhile, the mobile terminal 100 related to the present invention can perform the iris recognition function.
An iris scan refers to a technique or an authentication system for recognizing a person using iris information of an eye having unique characteristics for each person. That is, the iris recognition function may refer to a function of recognizing the user using the iris information of the eye or a function of authenticating the user. In the present specification, terms such as iris recognition, iris recognition, iris authentication, and iris authentication are used interchangeably, and they can be accepted in the same or similar meaning.
The human iris has characteristics that do not change forever after it is completed after about 18 months of age. That is, the circular iris pattern that is raised near the inner side of the iris (the concert) hardly changes once it is determined, and the shapes are different from person to person.
The iris recognition function refers to the function of informing the characteristics of iris, which is different for each person, and applying it as an authentication technology for security. For example, the iris recognition function may be a function of encoding an iris pattern using an iris image into an iris code, and performing user authentication by comparing the iris pattern with a previously stored iris code in a memory or an external server An iris recognition algorithm for encoding an iris pattern into an iris code, and a method for performing user authentication by comparing iris codes are general techniques, and thus a detailed description thereof will be omitted).
Various types of cameras may be used for performing the iris recognition function. For example, a camera using an infrared ray (or an infrared camera) may be used. The camera 121 described below is an infrared camera as an example.
In the iris recognition function, the above-described image photographing function can be used. Specifically, the iris recognition function may include an iris registration step and an iris recognition step. The image capturing function using the camera 121 may be used in each of the iris registration step and the iris recognition step.
In the iris registration step, the information related to the iris of the user (for example, an image related to iris, an image corresponding to iris (iris image), iris code, (Registered) on the Internet. The information related to the iris stored in the iris registration step serves as a comparison object when the iris recognition step is performed later.
Specifically, the controller 180 may perform the iris registration step based on the user request. The user request may include: executing an application associated with the iris recognition function; and receiving a user control command for entering the iris registration step in the application (e.g., an icon for entering the iris registration step is selected and an iris registration step A touch of a predetermined type in association with a function of entering the touch screen), and the like may be input.
Upon entering the iris registration step, the control unit 180 can activate the camera (for example, the infrared camera) 121. In addition, the control unit 180 can photograph the received image (or the image corresponding to the eye) when an image corresponding to the user's eye (eyeball) is identified in the image received through the camera. The photographed image may be stored in the memory 170 and an external terminal (or an external server).
The control unit 180 can identify an image corresponding to the user's eyes included in the image and extract an image (iris image) related to the iris from the image corresponding to the eye.
Thereafter, the controller 180 encodes the iris pattern of the user into an iris code using an image (iris image) related to the iris, and transmits at least one of the iris related image and the iris code to the memory 170 and the external terminal (Or an external server).
Thereafter, the control unit 180 may perform the iris recognition step based on the user's request. The user request may include at least one of: an execution of an application associated with the iris recognition function by the user; a user control command (e.g., an icon to enter the iris recognition step; A touch of a predetermined type in association with a function of entering the iris recognition step), and the like may be input.
Upon entering the iris recognition step, the control unit 180 can activate a camera (for example, an infrared camera) 121. In addition, when the image corresponding to the user's eye (eyeball) is identified in the image received through the camera 121, the control unit 180 can extract an image related to the iris from the image corresponding to the eye. Thereafter, the controller 180 generates an iris code using the image related to the iris, and determines whether the iris code matches the iris code previously stored in the memory, thereby performing user authentication.
In this case, extraction of the image related to the iris, generation of the iris code, and the like may be performed after the image received in the iris recognition step is captured, or may be performed after the image is received through the camera (For example, a state in which a preview image is output to the display unit 151).
Meanwhile, in the present invention, a plurality of cameras may be used to determine whether the user's eyes that perform iris recognition are true or not. Hereinafter, a method for determining whether a subject performing iris recognition is an actual user's eye will be described in detail with reference to the accompanying drawings.
The determination of the authenticity of the user's eye that performs the iris recognition can be accepted as meaning that the subject performing the iris recognition is the actual user's eye.
The method for determining authenticity of the user's eye, which will be described below, can be applied to both the iris registration step and the iris recognition step described above.
2 is a conceptual diagram illustrating a mobile terminal according to an embodiment of the present invention.
Referring to FIG. 2, a mobile terminal according to an embodiment of the present invention may include a terminal body having at least one component, as illustrated in FIGS. 1A to 1C. Hereinafter, the terminal body will be referred to as a main body.
As shown in FIG. 2, a main body of the mobile terminal may include a first camera 221a, a second camera 221b different from the first camera, and a light-emitting unit 230. FIG. Specifically, the main body may be composed of a plurality of surfaces. The plurality of surfaces may be formed to face in different directions. The first camera 221a, the second camera 221b, and the light emitting unit 230 may be provided on one surface (either surface) of a plurality of surfaces of the main body. One surface of the main body may be a front surface of a main body having a display unit 151.
That is, a first camera 221a, a second camera 221b different from the first camera 221a, and a light emitting unit 230 may be provided on one surface (for example, a front surface) of the main body. At least one of the first camera 221a, the second camera 221b, and the light emitting unit 230 may be formed on a surface different from the one surface.
The light emitting portion 230 can emit infrared rays. Specifically, the light emitting unit 230 may emit light having a wavelength corresponding to infrared rays.
The first camera 221a may be a camera that receives an image using infrared rays. Specifically, the first camera 221a may be a charge-coupled device (CCD) camera having sufficient sensitivity to infrared rays. As another example, the first camera 221a may detect the infrared radiation energy emitted from the light (infrared ray) or the object emitted from the light emitting unit 230 and reflected by the object (subject) by the detector, And converting the radiation temperature of the radiation image into an electric signal and displaying the radiation image in a two-dimensional visual image. The image received through the first camera 221a may be referred to as an 'infrared image'. Hereinafter, an image received through the first camera 221a will be referred to as a "first image" or an "infrared image ".
The second camera 221b may be a camera for receiving a video signal as RGB (Red, Green, Blue) video. For example, the first camera 221a may be understood as a camera generally used in a mobile terminal, a digital camera, or the like. The image received through the first camera may be named 'RGB image' implemented by RGB. Hereinafter, the image received through the second camera 221b will be referred to as "second image" or "RGB image ".
The first camera 221a may be used for the iris recognition function of the present invention. Specifically, the control unit 180 uses the first image received through the first camera 221a using infrared rays to acquire information related to the iris (for example, an image related to the iris, an image corresponding to the iris ), An iris code, etc.) can be acquired (recognized).
In this case, the second camera 221b is disposed adjacent to the first camera 221a, and when the first image received through the first camera 221a is not output to the display unit 151, 2 camera 221b to the display unit 151 so as to guide the first image.
In addition, the second camera 221b can be used to determine whether or not the subject (user's eye) performing iris recognition is true or false.
The first camera 221a and the second camera 221b may be analogous or similar to the camera 121 in FIGS. 1A through 1C. For example, a first image (infrared image) received through the first camera 221a and a second image (RGB image) received through the second camera 221b may be transmitted to the mobile terminal And may be stored in the memory 170 under the control of the control unit.
Hereinafter, a method for determining the authenticity of a subject performing iris recognition using the first camera 221a, the second camera 221b, and the light emitting unit will be described in more detail with reference to the accompanying drawings .
FIG. 3 is a flowchart for explaining a control method of the present invention, and FIG. 4 is a conceptual diagram for explaining a control method shown in FIG.
As described above, the method (or step) for determining the authenticity of the subject performing the iris recognition can be applied to the iris recognition function in general, and can be applied to the iris registration step and the iris recognition step as an example. In this case, it is preferable that the step of determining authenticity is performed before the iris registration step or the iris recognition step.
First, an application related to the iris recognition function can be executed in the present invention. The application related to the iris recognition function can be executed based on whether the icon (or the graphic object) of the application is selected (or touched).
When the application related to the iris recognition function is executed, the control unit 180 can activate at least one of the first camera 221a and the second camera 221b. Here, the activation means may include driving, operating, or the like.
Thereafter, in the present invention, a step of receiving a first image (infrared image) through the first camera 221a and receiving a second image (RGB image) through the second camera 221b is performed S310). Specifically, when the application related to the iris recognition function is executed, the control unit 180 can receive the first image through the first camera 221a and receive the second image through the second camera 221b .
In addition, the controller 180 may control the light emitting unit 230 to emit light. Specifically, based on whether the application related to the iris recognition function is executed or the first camera 221a and the second camera 221b are activated, the control unit 180 causes the light (infrared ray) to be emitted The light emitting unit 230 can be controlled.
However, the present invention is not limited to this, and the light emitting unit 230 may emit light (infrared rays) based on entering the step of determining authenticity of a subject performing iris recognition.
The controller 180 receives the first image through the first camera 221a and the second image through the second camera 221b while emitting light through the light emitting unit 230 can do.
Thereafter, in the present invention, a subject (user's eye) performing iris recognition (or iris registration) is selected based on whether the first image (infrared image) and the second image (RGB image) It is possible to judge whether or not it is authentic.
In other words, the controller 180 may determine whether the subject performing iris recognition corresponds to the user's eye, based on whether the first image and the second image satisfy predetermined conditions.
More specifically, in the present invention, it may be determined whether or not a subject that performs iris recognition is falsified based on whether a predetermined region is included in the first image or the second image (S320).
For example, when there is an area satisfying predetermined conditions on only one of the first image and the second image, the controller 180 determines that the subject performing the iris recognition corresponds to the eye of the user It can be judged. That the subject performing the iris recognition corresponds to the user's eyes means that the subject is a printed matter (paper) printed with an image corresponding to the user's eye, an image corresponding to the user's eye outputted to the external device, Should be accepted as meaning that it corresponds to the actual eyeball of the user, rather than the counterfeit such as.
As another example, the control unit 180 determines whether there is an area that satisfies the predetermined condition in both of the first image and the second image, or if the first image and the second image both include an area satisfying the predetermined condition If it does not exist, it can be determined that the subject performing the iris recognition does not correspond to the eye of the user. That is, if the region that satisfies the predetermined condition exists in both the first image and the second image, or if all of the regions do not exist, the control unit 180 determines that the subject performing the iris recognition is not an actual eyeball , It can be judged to be a forgery.
4, the case where the subject performing iris recognition is an eye of an actual user will be described.
4, an area that satisfies the predetermined condition is a light (infrared ray) that is emitted from the light emitting unit 230 and then reflected back from the first image 400a and the second image 400b, The region 410 may have a brightness greater than the reference brightness.
Specifically, the eye of the user includes a pupil, and the light emitted from the light emitting portion 230 can be reflected from the capillary in the pupil. In this case, the light emitted from the light emitting unit 230 may be reflected even in a portion other than the pupil, but more reflection is made in the pupil. That is, the amount of light reflected from the pupil may be greater than the amount of light reflected from portions other than the pupil. The reflected light may be received by the first camera 221a and the second camera 221b.
The first image 400a and the second image 400b may include an image corresponding to the eye of the user (or an image related to the iris).
When the infrared ray is emitted from the light emitting unit 230, the first image 400a received through the first camera 221a using infrared rays is reflected in the first image 400a, The brightness of a specific region (for example, the region corresponding to the pupil) becomes larger (brighter) than the reference brightness. For example, the region that satisfies the preset condition can be understood as a region where red-eye phenomenon by infrared rays occurs (region corresponding to a pupil where a red-eye phenomenon occurs).
The region satisfying the predetermined condition is named as a region whose brightness is larger than the reference brightness by the "light (infrared) reflection region", the "pupil region where light (infrared) reflection occurs" or "light .
Meanwhile, the second camera 221b may be provided with a filter for blocking infrared rays. Accordingly, even if the second image 400b (RGB image) received through the second camera 221b emits infrared rays from the light emitting unit 230, an area satisfying predetermined conditions (that is, A region having a large brightness) does not exist. This is because even if infrared reflection occurs in the pupil, the infrared cut filter provided in the second camera 221b blocks the reflected infrared rays.
That is, when the subject performing the iris recognition is the user's eye and the infrared ray is emitted from the light emitting unit 230, the first image 400a corresponding to the infrared ray image has an area satisfying predetermined conditions (Pupil region) in which the brightness generated by the infrared reflection is larger than the reference brightness exists in the second image 400b corresponding to the RGB image and the region (A pupil region) in which the brightness is larger than the reference brightness, that is, the specific region (pupil region) in which the brightness generated by the infrared reflection is larger than the reference brightness.
If the brightness of the specific region 410 included in the image corresponding to the user's eye is greater than the reference brightness in at least one of the first image 400a and the second image 400b, It can be determined that the region 410 satisfying the predetermined condition exists in at least one image.
For example, if the at least one image is the first image 400a, that is, only the first image 400a has the region 410 satisfying the preset condition, and the second image 400b has If there is no region that satisfies the predetermined condition, the controller 180 may determine that the subject performing the iris recognition corresponds to the actual user's eye.
If the subject is an actual user's eye, the control unit 180 may enter the iris registration step or the iris recognition step.
Hereinafter, a method for determining the authenticity of a user's eye when the subject performing iris recognition is not an actual user eye will be described in more detail with reference to the accompanying drawings.
5A and 5B are conceptual diagrams for explaining an embodiment in which a subject performing iris recognition is not a user's eye.
The controller 180 controls the first image 500a received through the first camera 221a using infrared rays and the second image 500b received through the second camera 221b If there is an area that satisfies the set condition, or if all of the areas do not exist, it can be determined that the subject performing the iris recognition does not correspond to the eye of the user.
For example, as shown in FIG. 5A, a subject performing iris recognition may be a printed matter (paper) printed with an infrared image including an image corresponding to a user's eye, rather than an eye of an actual user. In this case, the printed matter may include an area having a brightness greater than a reference brightness, that is, an area satisfying predetermined conditions.
In this case, in the first image 500a (infrared image) received through the first camera 221a, an area satisfying predetermined conditions (a region where brightness is larger than the reference brightness, that is, (Pupil region) larger than the reference brightness) exists. Also, the second image 500b (RGB image) received through the second camera 221b has an area that satisfies the predetermined condition. This is because an area that satisfies the preset condition is printed on the printed matter itself because the subject performing the iris recognition is a printed matter printed with an infrared image including an image corresponding to the eye of the user.
In this case, the controller 180 can determine that the subject performing the iris recognition does not correspond to the eye of the user.
As another example, as shown in FIG. 5B, the subject performing iris recognition may be a printed matter (paper) printed with an RGB image including an image corresponding to a user's eye, rather than an actual eye of the user. In this case, the printed matter may not include an area whose brightness is larger than the reference brightness, that is, an area that satisfies predetermined conditions.
In this case, the first image 510a (infrared image) received through the first camera 221a is divided into an area that satisfies a predetermined condition (a region where the brightness is larger than the reference brightness, that is, (Pupil region) larger than the reference brightness) does not exist. Also, the second image 500b (RGB image) received through the second camera 221b does not have a region satisfying the predetermined condition. This is because an area that satisfies the predetermined condition has not been printed on the printed matter itself because the subject performing the iris recognition is a printed matter printed with an RGB image including an image corresponding to the eye of the user.
In addition, since the subject performing the iris recognition is an RGB image, not an actual user's eye, even if infrared rays are emitted through the light emitting unit 230, reflection by capillary blood vessels in the pupil does not occur. The predetermined area does not exist.
In this case, the controller 180 can determine that the subject performing the iris recognition does not correspond to the eye of the user.
Through such a configuration, the present invention can provide a control method that can more accurately determine whether a subject performing iris recognition is an actual user's eye, that is, whether or not it is true or false.
Hereinafter, a method of controlling the display unit in various ways in the process of determining authenticity of a subject performing iris recognition will be described in more detail with reference to the accompanying drawings.
6A and 6B are conceptual diagrams for explaining a method of controlling a display unit according to an embodiment of the present invention.
The first image (infrared image) and the second image (RGB image) described in FIGS. 2 to 4B may be output to the display unit 151 of the mobile terminal related to the present invention. At this time, the controller 180 may output at least one of the first image and the second image to the display unit 151.
For example, the control unit 180 may control the display unit 151 such that the first image and the second image are sequentially displayed on the display unit 151 (in the order of the second image and the first image) Can also be output).
6A, the controller 180 receives a first image 600a (infrared image) received through the first camera 221a and a second image 600b (RGB image) received through the second camera 221b Image) can be output to the display unit 151. At this time, the first image 600a and the second image 600b emit light (infrared ray) from the light emitting unit 230 or emit light (infrared ray) from the light emitting unit 230 Based on the following equation.
The controller 180 outputs the first and second images 600a and 600b to the display unit 151 and outputs the first and second images 600a and 600b to the display unit 151. When the first and second images 600a and 600b are displayed on the display unit 151, (Infrared ray) emitted from the light emitting unit 230 (this is not limited to a time series).
At this time, the control unit 180 may output the first image 600a and the second image 600b to the display unit 151 together. In this case, the first image 600a may be output to a portion of the output region of the display unit 151, and the second image 600b may be output to regions other than the partial region.
The control unit 180 determines whether the subject performing iris recognition corresponds to the user's eyeball in a state that the first image 600a and the second image 600b are displayed together on the display unit 151 . The determination method may be applied to the contents described in FIGS. 3 to 5B. At this time, an indicator, a graphic object, or announcement information 620a indicating that the determination is being performed may be output to the display unit 151. [
The present invention is configured to notify the user that the determination is being performed by performing the determination while outputting the first image 600a and the second image 600b together on the display unit 151, It is possible to provide a user interface that can more effectively inform the user of the process of determining the authenticity of the subject.
Thereafter, the control unit 180 may control the display unit 151 in different ways based on the determination result.
6A, an area 610 satisfying a preset condition only in the first image 600a (an area in which the brightness is larger than the reference brightness, that is, a brightness generated by infrared reflection is a reference (The pupil region) larger than the brightness, and if the second image 600b does not have a region that satisfies the predetermined condition, the control unit 180 determines that the subject performing the iris recognition is an actual user It can be judged to be an eyeball.
If the subject is determined to correspond to the eye of the user, the controller 180 determines whether any one of the first image 600a and the second image 600b, as shown in (b) of FIG. 6 Only the image can be output to the display unit 151.
For example, one of the images may be a first image (infrared image) including an area satisfying the predetermined condition, as shown in (b) of FIG. 6A. However, the present invention is not limited to this, and if the subject is judged to correspond to the user's eyeball, the control unit 180 may not output the first image 600a in order to improve the security of iris recognition, (RGB image) to the display unit 151 to guide the second image (RGB image).
At this time, at least one of the notification information 620b informing the determination result and the notification information 630 informing the current ongoing step (iris registration step or iris recognition step) may be output to the display unit 151. [
6 (b), when the first image 600a and the second image 600b are displayed together on the display unit 151, as a result of the determination, (A region where the brightness is larger than the reference brightness, that is, a specific region (pupil region) in which the brightness generated by the infrared reflection is larger than the reference brightness) satisfying predetermined conditions in both the first image 600a and the second image 600b If it exists (or does not exist), the control unit 180 can determine that the subject performing iris recognition is not the eye of the actual user.
In this case, the control unit 180 can maintain the first image 600a and the second image 600b output to the display unit 151, as shown in FIG. 6B. Specifically, if it is determined that the subject does not correspond to the user's eyeball, the first image 600a and the second image 600b may continue to be output to the display unit 151. FIG.
At this time, the display unit 151 displays at least one of the notification information 620c informing the determination result, the button 640a and the end button 640b associated with the function of determining again whether the user's eye to perform iris recognition is re- One can be displayed.
As described above, according to the present invention, it is possible to judge whether or not the user's eye that performs iris recognition is authentic by using a light emitting unit that emits infrared rays, a first camera that receives an infrared image, and a second camera that receives an RGB image It is possible to provide a new user interface and a control method that can be performed.
In addition, the present invention can provide a user interface capable of controlling the display unit in various ways based on the authenticity of the user's eyes performing iris recognition.
The present invention described above can be embodied 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 a hard disk drive (HDD), a solid state disk (SSD), a silicon disk drive (SDD), a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, , And may also be implemented in the form of a carrier wave (e.g., 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.
