KR20110067815A - Mobile terminal and method for controlling the same - Google Patents

Abstract

PURPOSE: A mobile terminal and control method thereof are provided to control the function of a mobile terminal by using the recognized face stereoscopic image and to improve the convenience of a user. CONSTITUTION: A display unit(151) displays a three-dimensional broadcasting image on a screen. A face recognizing unit recognizes the face of an individual. A controller(180) controls the function of a mobile terminal by using a three-dimensional face image. A broadcasting receiver(111) receives a three-dimensional broadcasting image. A memory(160) stores the three-dimensional broadcasting image from the broadcasting receiver.

Description

MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME

The present invention relates to a mobile terminal and a method of controlling the same so that user's convenience can be further considered to enable the use of the terminal.

Terminals such as personal computers, laptops, mobile phones, etc. may be configured to perform various functions. Examples of such various functions include data and voice communication functions, taking pictures or videos through a camera, storing voices, playing music files through a speaker system, and displaying images or videos. Some terminals include additional functionality to play games, while others are implemented as multimedia devices. Moreover, recent terminals can receive a broadcast or multicast signal to watch a video or television program.

Normally the terminal moves The mobile terminal may be divided into a mobile terminal and a stationary terminal depending on whether the mobile terminal is a portable terminal (or a handheld terminal) and a vehicle mount terminal, depending on whether the user can directly carry the mobile terminal. Can be divided into

Efforts to support and increase the function of the terminal continue. The above efforts include not only changes and improvements in structural components forming the terminal, but also improvements in software and hardware.

Meanwhile, 3D stereoscopic broadcasting service is currently in progress.

That is, in a broadcasting center providing the 3D stereoscopic broadcasting service, a left side image, a left side image, and a broadcast signal including the right side image and the additional information of an original image, which is a 3D stereoscopic image source, are moved. Send to the terminal.

The mobile terminal generates a 3D stereoscopic broadcast image by overlapping the left and right images on one screen in a broadcast signal received from the broadcast center.

SUMMARY OF THE INVENTION An object of the present invention is to provide a mobile terminal capable of recognizing a face of a specific person included in a 3D stereoscopic broadcast image and controlling a function of the mobile terminal using the recognized face stereoscopic image, and a control method thereof. The purpose is.

According to an aspect of the present invention, there is provided a mobile terminal comprising: a display unit for reproducing a three-dimensional stereoscopic broadcast image on a screen; A face recognition unit recognizing at least one face of a person included in the stereoscopic broadcast reproduction screen; And a controller configured to control a function of a mobile terminal by using a stereoscopic image corresponding to a face recognized by the face recognition unit.

At this time, the mobile terminal according to the present invention includes a broadcast receiving unit for receiving a 3D stereoscopic broadcast image; And a memory in which the stereoscopic broadcast image received by the broadcast receiver is recorded and stored. The stereoscopic broadcast image reproduced in the display unit may be a stereoscopic broadcast image of the broadcast receiver or the memory.

The face recognizing unit may recognize a face of a person included in the designated area when a specific area within the stereoscopic broadcast reproduction screen is designated.

The controller may track the recognized face stereoscopic image in the stereoscopic broadcast reproduction screen and display the face stereoscopic image being tracked in the stereoscopic broadcast reproduction screen.

The controller may enlarge or reduce the recognized face stereoscopic image in the stereoscopic broadcast reproduction screen.

In addition, the controller may capture the recognized face stereoscopic image as an image.

The controller may record the recognized face stereoscopic image. Preferably, the controller extracts and records only the recognized face stereoscopic image in the stereoscopic broadcast reproduction screen until the reproduction of the stereoscopic broadcasting image is completed. Can be.

The controller may search for at least one menu function including the recognized face stereoscopic image among a plurality of menu functions included in the mobile terminal, and display the searched menu function on the stereoscopic broadcast reproduction screen. Can be.

In this case, the searched menu function is a call function, and when the call function is selected, the controller may attempt to make a call connection to a contact including the face stereoscopic image in a preset phone book.

In addition, the searched menu function is a picture display function, and when the picture display function is selected, the controller may search for an image including the recognized face stereoscopic image among pre-stored images and display the retrieved images. have.

The searched function is a message reading function, and when the message viewing function is selected, the controller searches for a contact including the recognized face stereoscopic image in a pre-stored phone book, and searches a list of previously received messages. The message corresponding to the searched contact may be searched for and displayed. In this case, if the searched message is a plurality or more, the controller may display the plurality of messages in a slide show manner.

The search function is a message transmission function, and when the message transmission function is selected, the control unit searches for a contact including the recognized face stereoscopic image in a pre-installed phone book and sends a message to the contact to be sent. The recognized facial stereoscopic image may be attached.

The searched menu function is a call list function. When the call list function is selected, the controller searches a call list including the face stereoscopic image in a pre-stored call list and displays the searched call list. Can be.

In addition, the searched menu function is an image transmission function, and when the image transmission function is selected, the controller transmits the face stereoscopic image to a personal homepage address of a person corresponding to the recognized face stereoscopic image from an equipped phone book. can do.

In addition, the control method of the mobile terminal according to the present invention comprises the steps of: reproducing a three-dimensional stereoscopic broadcast image on the screen; Recognizing at least one face of a person included in the reproduced stereoscopic video image screen; And controlling a function of a mobile terminal using a stereoscopic image corresponding to the recognized face.

The mobile terminal and a control method thereof according to the present invention have an effect of recognizing a face of a person included in a 3D stereoscopic broadcast image and operating various functions of the mobile terminal using the recognized face stereoscopic image.

Hereinafter, a terminal according to the present invention will be described in more detail with reference to the accompanying drawings.

The suffixes "module" and "unit" for the components used in the following description are merely given in consideration of ease of preparation of the present specification, and do not give particular meanings or roles by themselves. Therefore, it should be noted that the "module" and "unit" may be used interchangeably with each other.

The mobile terminal according to the present invention can be implemented in various forms. For example, the mobile terminal described in the present specification is a mobile terminal capable of receiving a 3D stereoscopic broadcast signal, and includes a smart phone, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation device, a notebook computer, and the like. , PC, etc.

Hereinafter, a mobile terminal according to the present invention will be described in detail with reference to FIG. 1.

1 is a block diagram illustrating a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, and an interface. The unit 170, the controller 180, and the power supply unit 190 may be included. The components shown in FIG. 1 are not essential, so that a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules that enable wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and a network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving unit 111, a mobile communication module 112, a wireless internet module 113, a short range communication module 114, a location information module 115, and the like.

The broadcast receiver 111 receives a two-dimensional (2D) or three-dimensional (3D) stereoscopic broadcast signal and / or information related to the broadcast from an external broadcast management server through a broadcast channel.

When the 3D stereoscopic broadcast signal is received from the broadcast management server, the broadcast receiver 111 may include a left side image and a right side image of the original image 2D included in the 3D broadcast signal. ) And additional information are demultiplexed and decoded and output.

The left and right images output as described above are superimposed on one screen of the display unit 151 to display a three-dimensional stereoscopic broadcast image on the screen of the display unit 151.

Meanwhile, the broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may mean a server that generates and transmits a broadcast signal and / or broadcast related information or a server that receives a previously generated broadcast signal and / or broadcast related information and transmits the same to a terminal. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal.

The broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast related information may exist in various forms. For example, it may be present as broadcast programming information such as an electronic program guide (EPG) of digital multimedia broadcasting (DMB) or an electronic service guide (ESG) of digital video broadcast-handheld (DVB-H).

The broadcast receiving unit 111 may include, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Forward Link Only (MediaFLO), and Digital Video Broadcast-DV-H (DVB-H). Handheld), DVB-CBMS, OMA-BCAST, ISDB-T (Integrated Services Digital Broadcast-Terrestrial) can be used to receive digital broadcast signals. Of course, the broadcast receiver 111 may be configured to be suitable for other broadcast systems as well as the digital broadcast system described above.

The 3D stereoscopic broadcast signal and / or broadcast related information received through the broadcast receiving unit 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives a wireless signal with at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.

The wireless internet module 113 refers to a module for wireless internet access and may be embedded or external to the mobile terminal 100. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

The short range communication module 114 refers to a module for short range communication. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like may be used.

The location information module 115 is a module for obtaining a location of a mobile terminal, and a representative example thereof is a GPS (Global Position System) module. According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites, and then applies trigonometry to the calculated information to obtain a three-dimensional string of latitude, longitude, The location information can be accurately calculated. Currently, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is widely used. In addition, the GPS module 115 may calculate speed information by continuously calculating the current position in real time.

Referring to FIG. 1, the A / V input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video call mode or the photographing mode. The processed image frame may be displayed on the display unit 151.

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. Two or more cameras 121 may be provided according to the use environment.

The microphone 122 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. The microphone 122 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for the user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like.

The sensing unit 140 detects the current state of the mobile terminal 100 such as the open / closed state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of a user contact, the orientation of the mobile terminal, the acceleration / deceleration of the mobile terminal, and the like. The sensing unit generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it may sense whether the slide phone is opened or closed. In addition, whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to the external device may be sensed. The sensing unit 140 may include a proximity sensor 141. This will be described later with reference to the touch screen.

The output unit 150 is used to generate an output related to visual, auditory or tactile senses, which includes a display unit 151, an audio output module 152, an alarm unit 153, a haptic module 154, and a projector module ( 155) may be included.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal 100 is in a call mode, the mobile terminal 100 displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a photographing mode, the mobile terminal 100 displays photographed and / or received images, a UI, and a GUI.

The display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible). and at least one of a 3D display.

Some of these displays may be configured as transparent or light transmissive so that they can be seen through them. This may be referred to as a transparent display. A representative example of the transparent display is TOLED (Transparant OLED). The rear structure of the display unit 151 may also be configured as a light transmissive structure. With this structure, the user can see the object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the implementation form of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another, or may be disposed integrally with one another, and may be disposed on different surfaces, respectively.

When the display unit 151 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter referred to as a touch screen), the display unit 151 may be configured in addition to an output device. Can also be used as an input device. The touch sensor may have, for example, a form of a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in pressure applied to a specific portion of the display unit 151 or capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor may be configured to detect not only the position and area of the touch but also the pressure at the touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to a touch controller (not shown). The touch controller processes the signal (s) and then transmits the corresponding data to the controller 180. As a result, the controller 180 can know which area of the display unit 151 is touched.

The proximity sensor 141 may be disposed in an inner region of the mobile terminal surrounded by the touch screen or near the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object present in the vicinity without using a mechanical contact by using an electromagnetic force or infrared rays. Proximity sensors have a longer life and higher utilization than touch sensors.

Examples of the proximity sensor include a transmission photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. When the touch screen is capacitive, the touch screen is configured to detect the proximity of the pointer by the change of the electric field according to the proximity of the pointer. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." The position where the proximity touch is performed by the pointer on the touch screen refers to a position where the pointer is perpendicular to the touch screen when the pointer is in proximity proximity.

The proximity sensor detects a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, and a proximity touch movement state). Information corresponding to the sensed proximity touch operation and proximity touch pattern may be output on the touch screen.

The sound output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output module 152 may also output a sound signal related to a function (eg, a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. The sound output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm module 153 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, key signal input, and touch input. The alarm module 153 may output a signal for notifying the occurrence of an event in a form other than a video signal or an audio signal, for example, vibration. Since the video signal or the audio signal may be output through the display unit 151 or the audio output module 152, in this case, the display unit 151 and the audio output module 152 are a kind of alarm module 153. May be classified.

The haptic module 154 generates various tactile effects that the user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 154. The intensity and pattern of vibration generated by the haptic module 154 can be controlled. For example, different vibrations may be synthesized and output or may be sequentially output.

In addition to vibration, the haptic module 154 is a pin array that vertically moves with respect to the contact skin surface. Various haptic effects, such as an effect and the effect of reproducing a sense of cold using the element which can endotherm and generate | occur | produce heat, can be produced.

The haptic module 154 may not only deliver the haptic effect through direct contact, but also may implement the user to feel the haptic effect through a muscle sense such as a finger or an arm. Two or more haptic modules 154 may be provided according to configuration aspects of the mobile terminal 100.

The projector module 155 is a component for performing an image project function using the mobile terminal 100, and is identical to an image displayed on the display unit 151 according to a control signal of the controller 180. At least some of the other images may be displayed on an external screen or wall.

In detail, the projector module 155 may generate a light source (not shown) for generating light (for example, laser light) for outputting the image to the outside, and generate an image for output to the outside using the light generated by the light source. And an image generating means (not shown), and a lens (not shown) for expanding and outputting the image to the outside at a predetermined focal length. Further, the projector module 155 may include a device (not shown) capable of mechanically moving the lens or the entire module to adjust the image projection direction.

The projector module 155 can be divided into a CRT (Cathode Ray Tube) module, an LCD (Liquid Crystal Display) module and a DLP (Digital Light Processing) module according to the type of the display means. In particular, the DLP module may be advantageous for miniaturization of the projector module 151 by enlarging and projecting an image generated by reflecting light generated from a light source on a DMD (Digital Micromirror Device) chip.

Preferably, the projector module 155 may be provided in the longitudinal direction on the side, front or back of the mobile terminal 100. It goes without saying that the projector module 155 may be provided at any position of the mobile terminal 100 as occasion demands.

The memory 160 may store a program for processing and controlling the controller 180, and stores input / output data (for example, a phone book, a message, an audio, a still image, an e-book, a video, etc.). You can also perform a function for temporary storage. The memory unit 160 may also store the frequency of use of each of the data (for example, each telephone number, each message, and frequency of use for each multimedia). In addition, the memory unit 160 may store data regarding vibration and sound of various patterns output when a touch input on the touch screen is performed.

As described above, the memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, an SD or XD memory). Etc.), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EPEROM), programmable read-only memory (PROM), At least one type of storage medium may include a magnetic memory, a magnetic disk, and an optical disk. The mobile terminal 100 may operate in connection with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device, receives power, transfers the power to each component inside the mobile terminal 100, or transmits data inside the mobile terminal 100 to an external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip that stores various types of information for authenticating the usage rights of the mobile terminal 100, and includes a user identification module (UIM), a subscriber identify module (SIM), and a universal user authentication module ( 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 port.

The interface unit may be a passage through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or various command signals input from the cradle by a user may be transferred. It may be a passage that is delivered to the terminal. Various command signals or power input from the cradle may be operated as signals for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal 100. For example, perform related control and processing for voice calls, data communications, video calls, and the like. The controller 180 may include a multimedia module 181 for playing multimedia. The multimedia module 181 may be implemented in the controller 180 or may be implemented separately from the controller 180.

The controller 180 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on the touch screen as text and an image, respectively.

The power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

In addition, the face recognition unit 182 recognizes a face of a specific person in a 3D stereoscopic broadcast image received and reproduced through the broadcast receiving unit 111 or in a 3D stereoscopic broadcast image stored in the memory 160. Recognize the face of a specific person.

The face recognition unit 182 as described above may extract three-dimensional face features in the stereoscopic broadcast image using various algorithms for three-dimensional face recognition.

For example, the face recognizing unit 182 may extract a feature of a 3D face based on curvature, and calculate a point signature representing a distance between a tangent plane and a face of one point as a face feature. A three-dimensional facial feature may be extracted from the stereoscopic broadcast image by using various facial feature extraction methods using local information, such as a method.

In addition, as the curvature-based feature extraction method, a method of calculating a major curvature from a depth image and using it as a feature, calculating a curvature from a depth image and then generating an extended Gaussian image (EGI) How to use the image as a feature, how to use the distance between the singularity and the curvature at the singularity such as eyes, nose, mouth, etc., extract the profile of the face and calculate the curvature of the extracted profile To be used as a feature can be used.

Various embodiments described herein may be implemented in a recording medium readable by a computer or similar device using, for example, software, hardware or a combination thereof.

According to a hardware implementation, the embodiments described herein include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), and the like. It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions. The described embodiments may be implemented by the controller 180 itself.

According to the software implementation, embodiments such as the procedures and functions described herein may be implemented as separate software modules. Each of the software modules may perform one or more functions and operations described herein. Software code may be implemented in software applications written in a suitable programming language. The software code may be stored in the memory 160 and executed by the controller 180.

2A is a front perspective view of an example of a mobile terminal according to the present invention;

The disclosed mobile terminal 100 has a bar-shaped body. However, the present invention is not limited thereto and may be applied to various structures such as a slide type, a folder type, a swing type, a swivel type, and two or more bodies are coupled to be relatively movable.

The body includes a casing (casing, housing, cover, etc.) that forms an exterior. In this embodiment, the case may be divided into a front case 101 and a rear case 102. Various electronic components are built in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be further disposed between the front case 101 and the rear case 102.

The cases may be formed by injecting synthetic resin or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

The display unit 151, the audio output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, and the interface 170 may be disposed in the terminal body, mainly the front case 101. have.

The display unit 151 occupies most of the main surface of the front case 101. The sound output unit 151 and the camera 121 are disposed in regions adjacent to one end of both ends of the display unit 151, and the user input unit 131 and the microphone 122 are disposed in regions adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on side surfaces of the front case 101 and the rear case 102.

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100 and may include a plurality of operation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion.

The content input by the first or second manipulation units 131 and 132 may be variously set. For example, the first manipulation unit 131 receives a command such as start, end, scroll, and the like, and the second manipulation unit 132 adjusts the volume of the sound output from the sound output unit 152 or displays 151. Command, such as activating / deactivating the touch recognition mode.

FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A.

Referring to FIG. 2B, a camera 121 ′ may be additionally mounted on the rear of the terminal body, that is, the rear case 102. The camera 121 'may have a photographing direction substantially opposite to that of the camera 121 (see FIG. 2A), and may be a camera having the same or different pixels as the camera 121.

For example, the camera 121 has a low pixel so that the user's face is photographed and transmitted to the counterpart in case of a video call, and the camera 121 'photographs a general subject and does not transmit it immediately. It is desirable to have a high pixel because there are many. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 may be additionally disposed adjacent to the camera 121 '. The flash 123 shines light toward the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to see his / her own face or the like when photographing (self-photographing) the user using the camera 121 '.

The sound output module 152 ′ may be further disposed on the rear side of the terminal body. The sound output unit 152 ′ may implement a stereo function together with the sound output module 152 (see FIG. 2A), and may be used to implement a speakerphone mode during a call.

In addition to the antenna for communication, a broadcast signal receiving antenna 116 may be additionally disposed on the side of the terminal body. The antenna 116 constituting a part of the broadcast receiving unit 111 (refer to FIG. 1) may be installed to be pulled out from the terminal body.

The terminal body is equipped with a power supply unit 190 for supplying power to the mobile terminal 100. The power supply unit 190 may be built in the terminal body or may be directly detachable from the outside of the terminal body.

The rear case 102 may be further equipped with a touch pad 135 for sensing a touch. The touch pad 135 may be of a light transmission type for the display unit 151. [ In this case, if the display unit 151 is configured to output visual information on both sides (i.e., in the direction of both the front and rear surfaces of the mobile terminal), the visual information may be recognized through the touch pad 135. do. The information output on both surfaces may be controlled by the touch pad 135.

Meanwhile, since a display dedicated to the touch pad 135 is separately installed, the touch screen may be disposed on the rear case 102.

The touch pad 135 operates in association with the display unit 151 of the front case 101. The touch pad 135 may be disposed in parallel to the rear of the display unit 151. The touch pad 135 may have the same or smaller size as the display unit 151.

Hereinafter, an operation control process of the mobile terminal 100 according to the present invention will be described in detail with reference to the drawings.

3 is a flowchart illustrating a process of controlling a function of a mobile terminal using a face image of a person included in a stereoscopic broadcast image according to the present invention.

4 and 5 are screen state diagrams illustrating a process of recognizing a face of a person included in a stereoscopic broadcast reproduction screen.

3 to 5, the controller 180 of the mobile terminal 100 performs a menu function for reproducing stereoscopic broadcasting from a user through the user input unit 130 or the touch screen 151 in a standby state [S111]. Is selected [S112], the broadcast receiving unit 111 is driven to receive stereoscopic broadcasts through the broadcast receiving unit 111 [S113], and the received stereoscopic broadcasts are reproduced [S114].

That is, the controller 180 displays the image of the stereoscopic broadcast on the touch screen 151 and outputs the stereoscopic broadcast sound through the sound output module 152 to reproduce the stereoscopic broadcast.

In addition, the controller 180 selects a menu function for reproducing the stereoscopic broadcast recorded in the memory 160 from the user through the user input unit 130 or the touch screen 151 [S115]. The stereoscopic broadcast image recorded and stored in the terminal may be played back.

Next, the controller 180 recognizes a face of a person included in the stereoscopic broadcast reproduction screen displayed on the touch screen 151 through the face recognition unit 182 [S116].

That is, the controller 180 may recognize the faces of all persons included in the stereoscopic broadcast reproduction screen through the face recognition unit 182, and may recognize the faces of persons designated by the user in the stereoscopic broadcast reproduction screen. It may be.

FIG. 4A illustrates that the first and second persons 300a and 300b are included in the stereoscopic broadcast reproduction screen 300 displayed on the touch screen 151.

As shown in FIG. 4B, the controller 180 recognizes the faces 300a and 300b of all persons included in the stereoscopic broadcast reproduction screen 300 through the face recognition unit 182. The information indicating that the faces 300a and 300b are recognized may be displayed on the stereoscopic broadcast reproduction screen 300.

The user may recognize that the faces 300a and 300b are recognized in the current stereoscopic broadcast reproduction screen 300 by looking at the information indicating that the faces 300a and 300b have been recognized.

FIG. 5A also illustrates that the first and second persons 300a and 300b are included in the stereoscopic broadcast reproduction screen 300 displayed on the touch screen 151.

As illustrated in FIG. 5A, when the first person 300a is designated in the stereoscopic broadcast reproduction screen 300 by the user, as illustrated in FIG. The face recognizing unit 182 may recognize the face 300a of the designated first person and display information indicating that the face 300a of the first person is recognized on the stereoscopic broadcast reproduction screen 300. have.

In this case, the user may designate the first person 300a in the stereoscopic broadcast reproduction screen 300 by using the direction key or the touch screen 151 provided in the user input unit 130.

When the face of a specific person is recognized in the stereoscopic broadcast reproduction screen 300 through the face recognition unit 182, the controller 180 uses the stereoscopic image corresponding to the recognized face of the mobile terminal 100. Various functions are controlled [S117].

That is, the controller 180 tracks the recognized face stereoscopic image 300a in the stereoscopic broadcast reproduction screen 300, and the face stereoscopic image 300a being tracked in the stereoscopic broadcast reproduction screen 300 is displayed. Traces can be marked for identification.

In addition, the controller 180 may enlarge or reduce the recognized face stereoscopic image 300a in the stereoscopic broadcast reproduction screen 300.

In addition, the controller 180 may capture the recognized facial stereoscopic image 300a as a 3D image and store the facial stereoscopic image 300a captured as the image in the memory 160.

In addition, the controller 180 extracts only the recognized face stereoscopic image 300a from the stereoscopic broadcast reproduction screen 300 to the memory 160 until the reproduction of the stereoscopic broadcast image 300 is completed. Recording can be saved.

In addition, the controller 180 searches for at least one menu function including the recognized face stereoscopic image 300a among a plurality of menu functions provided in the mobile terminal 100, and searches the searched menu function. It is displayed on the stereoscopic broadcast reproduction screen 300. FIG.

In this case, the searched menu function may be a call function, and when the call function is selected, the controller 180 selects a contact including the face stereoscopic image 300a in the phone book provided in the memory 160. Search and control the wireless communication unit 110 to attempt a call connection to the searched contact.

In addition, the searched menu function may be a photo slide show function, and when the photo slide show function is selected, the controller 180 selects the recognized face stereoscopic image 300a among images previously stored in the memory 160. The included images may be searched and displayed in a slide show manner.

In addition, the searched function may be a message reading function, and when the message reading function is selected, the controller 180 includes the recognized face stereoscopic image 300a in the phone book provided in the memory 160. Searched contacts.

Then, the controller 180 can search for a message corresponding to the searched contact in the received message list previously stored in the memory 160 and display the searched message. In this case, when the searched message is a plurality or more, the controller 180 may display the plurality of messages in a slide show manner.

In addition, the searched function may be a message transmission function, and when the message transmission function is selected, the controller 180 includes the recognized face stereoscopic image 300a in the phone book provided in the memory 160. Searched contacts and attach the recognized face stereoscopic image 300a to a message to be sent to the contact.

In addition, the searched menu function may be a call list function, and when the call list function is selected, the controller 180 includes the face stereoscopic image 300a in a call list previously stored in the memory 160. The call list may be searched and the searched call list may be displayed.

In addition, the searched menu function may be an image transmission function, and when the image transmission function is selected, the controller 180 corresponds to the recognized face stereoscopic image 300a in the phone book provided in the memory 160. The face stereoscopic image may be transmitted to and uploaded to a personal homepage address of a person who speaks.

6 to 17, a process of controlling the function of the mobile terminal 100 using the recognized face stereoscopic image for each embodiment will be described in detail.

<First Embodiment>

FIG. 6 is a screen diagram of a first embodiment illustrating a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

According to the first embodiment of the present invention, when a face of a specific person is recognized in the stereoscopic broadcast reproduction screen, a function of tracking and displaying the recognized face in the stereoscopic broadcast reproduction screen is controlled.

That is, as shown in (a) of FIG. 6, when the face 300a of the first person is designated in the stereoscopic broadcast reproduction screen 300 by the user, the controller 180 may determine the face 300 through the face recognition unit 182. The face 300a of the first person specified in the stereoscopic broadcast reproduction screen 300 is recognized.

Subsequently, as illustrated in FIGS. 6B and 6C, the controller 180 tracks the face stereoscopic image 300a of the recognized first person in the stereoscopic broadcast reproduction screen 300 (320). In addition, the tracking 320 may be displayed to identify the face stereoscopic image 300a of the first person being tracked in the stereoscopic broadcast reproduction screen 300.

In this case, as illustrated in FIGS. 6B and 6C, the controller 180 may display the periphery of the face 300a of the first person being tracked in the stereoscopic broadcast reproduction screen 300 to be identified. In addition, the color and brightness of the first person's face 300a may be displayed differently from the second person 300b to inform the user that the face 300a of the first person is being tracked.

Second Embodiment

7 and 8 are screen state diagrams of a second embodiment illustrating a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

According to the second embodiment of the present invention, when a face of a specific person is recognized in the stereoscopic broadcast reproduction screen, a function of enlarging or reducing the stereoscopic image of the recognized face is controlled in the stereoscopic broadcast reproduction screen.

First, as illustrated in FIG. 7A, when the face 300a of the first person is designated in the stereoscopic broadcast reproduction screen 300 by the user, the controller 180 may determine the face 300 through the face recognition unit 182. The face 300a of the first person specified in the stereoscopic broadcast reproduction screen 300 is recognized.

In this case, when the command 330a for enlarging the recognized stereoscopic image 300a of the first person is input from the user through the user input unit 130 or the touch screen 151, the controller 180 of FIG. As shown in (b) and (c), the stereoscopic image 300a of the recognized first person is enlarged on the stereoscopic broadcast reproduction screen 300 in correspondence with the input magnification command 330a.

That is, FIG. 7B illustrates that the controller 180 enlarges the entire stereoscopic broadcast reproduction screen 300 centering on the face 300a of the first person, corresponding to the magnification command 330a. In FIG. 7C, the controller 180 maintains the stereoscopic broadcast reproduction screen 300 including the second person 300b and enlarges only the recognized face 300a of the first person. It is showing.

Subsequently, as illustrated in FIG. 8A, when the face 300a of the first person is designated in the stereoscopic broadcast reproduction screen 300, the controller 180 recognizes the face recognition unit 182. The face 300a of the first person specified in the stereoscopic broadcast reproduction screen 300 is recognized through the.

In this case, the controller 180 receives a command 330b for reducing the stereoscopic image 300a of the recognized first person from the user through the user input unit 130 or the touch screen 151, FIG. 8. As shown in (b) and (c) of the present invention, the stereoscopic image 300a of the recognized first person is reduced on the stereoscopic broadcast reproduction screen 300 corresponding to the input reduction command 330b. .

That is, FIG. 8B illustrates that the controller 180 reduces the entire stereoscopic broadcast reproduction screen 300 around the face 300a of the first person, corresponding to the reduction command 330b. 8C illustrates that the controller 180 maintains the stereoscopic broadcast reproduction screen 300 including the second person 300b and reduces only the face 300a of the recognized first person. It is showing.

Third Embodiment

FIG. 9 is a screen diagram of a third exemplary embodiment showing a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

The third embodiment of the present invention controls a function of capturing and storing a stereoscopic image of the recognized face in the stereoscopic broadcast reproduction screen when a face of a specific person is recognized in the stereoscopic broadcast reproduction screen.

First, as shown in (a) of FIG. 9, when the face 300a of the first person is designated in the stereoscopic broadcast reproduction screen 300 by the user, the controller 180 receives the face recognition unit 182. The face 300a of the first person specified in the stereoscopic broadcast reproduction screen 300 is recognized.

As described above, when the face 300a of the first person is recognized, the controller 180 can three-dimensionally view the face stereoscopic image 300a of the recognized first person, as shown in FIG. Capture as image 340.

In this case, the controller 180 may store the captured image 340 in the photo storage area in the memory 160 according to a user's command, and register the captured image 340 in the phone book in the memory 160. You may.

That is, as illustrated in FIG. 9B, the controller 180 captures the image 340 from the user through the user input unit 130 or the touch screen 151. If is input, as shown in (c) of FIG. 9, the captured image may be stored in the photo storage area in the memory 160. In this case, the photo storage area may be an area in which only an image captured during stereoscopic broadcast reproduction is stored, or an area in which an image captured during stereoscopic broadcast reproduction and camera shooting is stored, may be provided in the mobile terminal 100. It may be an area in which all the images are stored.

In addition, as shown in (d) of FIG. 9, the controller 180 captures the image 340, and the phonebook registration command 330d from the user through the user input unit 130 or the touch screen 151. ), As shown in (d) of FIG. 9, a phone book menu may be displayed on the stereoscopic broadcast reproduction screen 300.

The user can register the captured image 340 to a desired contact in the phone book using a phone book menu displayed on the stereoscopic broadcast reproduction screen 300.

<Fourth Embodiment>

FIG. 10 is a screen diagram of a fourth exemplary embodiment illustrating a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

According to a fourth embodiment of the present invention, when a face of a specific person is recognized in the stereoscopic broadcast reproduction screen, a function of recording and storing a stereoscopic image of the recognized person's face in the stereoscopic broadcast reproduction screen is stored in the memory 160. do.

That is, as shown in (a) of FIG. 10, when the face 300a of the first person is designated in the stereoscopic broadcast reproduction screen 300 by the user, the controller 180 may determine the face 300 through the face recognition unit 182. The face 300a of the first person specified in the stereoscopic broadcast reproduction screen 300 is recognized.

Subsequently, as illustrated in FIG. 10B, the controller 180 may store the memory 160 in the memory 160 based on the recognized stereoscopic image 300a of the first person in the stereoscopic broadcast reproduction screen 300. You can record.

That is, the control unit 180 is in the stereoscopic broadcast reproduction screen 300 between the time when the recording start command is input from the time when the recording start command is input from the user when the face 300a of the first person is recognized. Only the stereoscopic image 300a of the recognized first person is extracted and stored in the memory 160.

<Fifth Embodiment>

11 to 17 are screen views illustrating a fifth exemplary embodiment illustrating a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

According to a fifth embodiment of the present invention, when a face of a specific person is recognized in the stereoscopic broadcast reproduction screen, at least one menu function including the recognized face image is searched among menu functions of the mobile terminal 100, Control the searched menu function.

That is, as shown in (a) of FIG. 11, when the face 300a of the first person is designated in the stereoscopic broadcast reproduction screen 300 by the user, the controller 180 receives the face recognition unit 182. The face 300a of the first person specified in the stereoscopic broadcast reproduction screen 300 is recognized.

When the controller 180 recognizes the face 300a of the designated first person in the stereoscopic broadcast reproduction screen 300, the controller 180 displays an image of the recognized face of the first person among menu functions included in the memory 160. 300a) is searched for, and as shown in FIG. 11 (b), the list 360 of the searched menu functions is displayed.

In this case, when the face 300a of the first person is recognized, the controller 180 searches for a menu function including the face stereoscopic image 300a of the first person among the menu functions included in the memory 160. In addition, the face stereoscopic image 300a may be converted into a 2D image, and a menu function including the converted 2D image may be searched among the menu functions.

Meanwhile, FIG. 11B illustrates contact list 350 of the first person including the list 360 of the searched menu functions and the recognized face image 300a in the phone book. Shows a call function, the call function 361, the photo slide show function 362, the message viewing function 363, the message sending function 364, and the call list in the list 360 of the menu functions. The function 365 and the image transfer function 366 are shown.

Referring to FIG. 12A, when the call function 361 is selected from the menu list 360 shown in FIG. 11B by the user, the controller 180 may have FIGS. 12B and 12C. As shown in FIG. 2), a contact including a face image 300a of the first person in the phone book may be searched and a call connection may be attempted to the searched contact by controlling the wireless communication unit 110.

In this case, FIG. 12B illustrates a screen for attempting call connection to a contact including the face image 300a of the first person displayed on the stereoscopic broadcast playback screen 300. (c) illustrates that a screen for attempting a call connection to a contact including the face image 300a of the first person is displayed on a standby screen.

Next, referring to FIG. 13A, when the photo slide show function 362 is selected from the menu list 360 shown in FIG. 11B by the user, the controller 180 of FIG. As shown in (b) and (c), the images 362a and 362b including the recognized face image 300a are searched among the images previously stored in the memory 160, and the retrieved images ( 362a and 362b may be displayed on the stereoscopic broadcast reproduction screen 300.

In this case, the controller 180 displays the retrieved images 362a and 362b in the form of thumbnails as shown in FIG. 13B, and any one of the thumbnails 362a and 362b is displayed. When selected, the selected image may be displayed on the entire screen.

In addition, as illustrated in FIG. 13C, the controller 180 may display the searched images 362a and 362b on the stereoscopic broadcast reproduction screen 300 in a slide show manner.

Subsequently, referring to FIG. 14A, when the message viewing function 363 is selected from the menu list 360 shown in FIG. 11B, the controller 180 selects FIG. As shown in b), the received messages 363a and 363b corresponding to the contact including the face image 300a of the recognized first person are searched in the received message list stored in the memory 160, The retrieved received messages 363a and 363b are displayed.

In this case, when one of the received messages 363a and 363b is selected by the user, 363a is selected, as illustrated in (c) of FIG. 14, the controller 180 determines that the received message 363a is selected. Display the contents.

In addition, the controller 180 may display the contents of each of the retrieved received messages 363a and 363b in a slide manner.

Next, referring to FIG. 15A, when the message transmission function 364 is selected from the menu list 360 shown in FIG. 11B, the controller 180 selects FIG. As shown in b), a contact including the recognized face image 300a is searched for in the phone book provided in the memory 160, and the recognized content is included in the message content 364a to be transmitted to the found contact. The face stereoscopic image 300a may be attached and transmitted.

Next, referring to FIG. 16A, when the call list function 365 is selected from the menu list 360 illustrated in FIG. 11B, the controller 180 selects FIG. As shown in b), the call list including the recognized face image 300a may be searched for in the call list previously stored in the memory 160, and the searched call list may be displayed.

Finally, referring to FIG. 17A, when the image transmission function 366 is selected from the menu list 360 shown in FIG. 11B, the controller 180 selects FIG. 17B from FIG. 17B. As shown in FIG. 2, the face image 300a may be transmitted by uploading the face image 300a to the personal homepage address of the first person corresponding to the recognized face image 300a from the phone book provided in the memory 160.

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 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 computer-readable media include ROM, RAM, CD-ROM, magnetic tape, floppy disks, optical data storage devices, and the like, which are also implemented in the form of carrier waves (eg, transmission over the Internet). It also includes. Also, the computer may include a control unit 180 of the terminal.

Accordingly, the above detailed description should not be construed as limiting in all aspects and should be considered as illustrative. The scope of the invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the invention are included in the scope of the invention.

The above-described mobile terminal and its control method may not be limitedly applied to the configuration and method of the above-described embodiments, but the embodiments may be selectively or partially all of the embodiments so that various modifications may be made. It may be configured in combination.

1 is a block diagram illustrating a mobile terminal according to an embodiment of the present invention.

2A is a front perspective view of an example of a mobile terminal according to the present invention;

FIG. 2B is a rear perspective view of the mobile terminal shown in FIG. 2A.

3 is a flowchart illustrating a process of controlling a function of a mobile terminal using a face image of a person included in a stereoscopic broadcast image according to the present invention.

4 and 5 are screen state diagrams illustrating a process of recognizing a face of a person included in a stereoscopic broadcast reproduction screen.

FIG. 6 is a screen diagram of a first embodiment illustrating a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

7 and 8 are screen state diagrams of a second embodiment illustrating a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

FIG. 9 is a screen diagram of a third exemplary embodiment showing a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

FIG. 10 is a screen diagram of a fourth exemplary embodiment illustrating a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

11 to 17 are screen views illustrating a fifth exemplary embodiment illustrating a process of controlling a function of a mobile terminal using a stereoscopic image of a face recognized by a person recognized in a stereoscopic broadcast reproduction screen.

Claims (17)

A display unit for reproducing a 3D stereoscopic broadcast image on a screen; A face recognition unit recognizing at least one face of a person included in the stereoscopic broadcast reproduction screen; And And a controller configured to control a function of a mobile terminal using a stereoscopic image corresponding to a face recognized by the face recognition unit. The method according to claim 1, A broadcast receiving unit receiving a 3D stereoscopic broadcast image; And And a memory for recording and storing the stereoscopic broadcast image received by the broadcast receiving unit. The stereoscopic broadcast image reproduced in the display unit is a mobile terminal, characterized in that the stereoscopic broadcast image of the broadcast receiving unit or the memory. The method according to claim 1, And the face recognition unit recognizes a face of a person included in the designated area when a specific area is designated in the stereoscopic broadcast reproduction screen. The method according to claim 1, The controller may be configured to track the recognized face stereoscopic image in the stereoscopic broadcast reproduction screen and to identify the face stereoscopic image being tracked in the stereoscopic broadcast reproduction screen. The method according to claim 1, The controller may enlarge or reduce the recognized facial stereoscopic image in the stereoscopic broadcast reproduction screen. The method according to claim 1, The controller is configured to capture the recognized face stereoscopic image as an image. The method according to claim 1, The controller may record the recognized face stereoscopic image. 8. The method of claim 7, And the controller is configured to extract and record only the recognized face stereoscopic image in the stereoscopic broadcast reproduction screen until the reproduction of the stereoscopic broadcast image is completed. The method according to claim 1, The controller may search for at least one menu function including the recognized face stereoscopic image among a plurality of menu functions included in the mobile terminal, and display the searched menu function on the stereoscopic broadcast reproduction screen. Mobile terminal characterized in that. The method of claim 9, The searched menu function is a call function, When the call function is selected, the controller attempts to connect a call to a contact including the face stereoscopic image in a preset phone book. The method of claim 9, The searched menu function is a picture display function, The controller, when the photo display function is selected, searches for an image including the recognized face stereoscopic image among pre-stored images and displays the retrieved images. The method of claim 9, The searched function is a message viewing function, When the message reading function is selected, the controller searches for a contact including the recognized face stereoscopic image in a pre-installed phone book, and searches for and displays a message corresponding to the searched contact in a pre-stored received message list. Mobile terminal, characterized in that. 13. The method of claim 12, The control unit, if the searched message is a plurality or more, the mobile terminal, characterized in that for displaying the plurality of messages in a slide show method. The method of claim 9, The searched function is a message transmission function, When the message transmission function is selected, the controller searches for a contact including the recognized face stereoscopic image in a pre-installed phone book, and attaches the recognized face stereoscopic image to a message to be transmitted to the contact. Mobile terminal. The method of claim 9, The searched menu function is a call list function, The controller, when the call list function is selected, searches for a call list including the face stereoscopic image in a pre-stored call list and displays the searched call list. The method of claim 9, The searched menu function is an image transmission function, When the image transmission function is selected, the controller transmits the face stereoscopic image to a personal homepage address of a person corresponding to the recognized face stereoscopic image from a pre-installed phone book. Playing a 3D stereoscopic broadcast image on a screen; Recognizing at least one face of a person included in the reproduced stereoscopic broadcast image screen; And And controlling a function of a mobile terminal by using a stereoscopic image corresponding to the recognized face.

Images