KR101673409B1 - Electronic device and control method for electronic device - Google Patents

Abstract

The present invention relates to an electronic apparatus and a control method of the electronic apparatus.
In the present invention, the electronic device varies the depth value of the stereoscopic image based on the specific object selected in the preview image.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electronic device,

The present invention relates to an electronic apparatus and a control method of the electronic apparatus.

[Background Art] [0002] In recent years, there has been a tendency to provide a three-dimensional stereoscopic image in electronic devices. For this purpose, it is considered to improve a structural part and / or a software part of a terminal.

An object of the present invention is to provide a control method of an electronic apparatus and an electronic apparatus that increases the convenience of the user when the depth value of the stereoscopic image is varied.

An electronic device according to an aspect of the present invention includes: a display module; A plurality of cameras for acquiring an external image; And displaying a third image obtained through at least one camera among the plurality of cameras through the display module by combining the first image and the second image obtained through the plurality of cameras to generate a stereoscopic image, And a controller for varying a depth of the stereoscopic image based on a specific object selected from the third image.

According to another aspect of the present invention, there is provided a method of controlling an electronic device including a plurality of cameras, the method comprising: generating a stereoscopic image by synthesizing a first image and a second image obtained through the plurality of cameras; Displaying a third image obtained through at least one camera among the plurality of cameras; And varying a depth value of the stereoscopic image based on the selected specific object when a specific object is selected from the third image.

The electronic device and the control method of the electronic device according to the present invention have the effect of enhancing the convenience of the user when the stereoscopic value of the stereoscopic image is varied.

1 is a block diagram of an electronic apparatus according to an embodiment of the present invention.
2 and 3 are views for explaining a stereoscopic image displaying method using a binocular parallax according to an embodiment of the present invention.
FIGS. 4 and 5 are views showing an external appearance of an electronic device according to an embodiment of the present invention.
6 illustrates an example of acquiring a plurality of images for generating a stereoscopic image according to a binocular disparity using a plurality of cameras provided in an electronic apparatus according to an exemplary embodiment of the present invention.
7 is a flowchart illustrating a method of controlling an electronic device according to an embodiment of the present invention.
FIG. 8 illustrates an example of displaying an image synthesized by superimposing a plurality of images input through a plurality of cameras in an electronic device according to an exemplary embodiment of the present invention as a preview image.
9 is a view showing another example of displaying an image synthesized by superimposing a plurality of images input through a plurality of cameras in a electronic device according to an embodiment of the present invention as a preview image,
10 illustrates an example of displaying an image input through a camera among a plurality of cameras as a preview image in an electronic device according to an exemplary embodiment of the present invention.
11 to 13 illustrate examples in which a plurality of images input through a plurality of cameras in the electronic device according to an embodiment of the present invention are displayed as a preview image by being distinguished from each other.
FIGS. 14 and 15 illustrate an example of displaying an image and a stereoscopic image input through any one of a plurality of cameras as preview images in an electronic device according to an embodiment of the present invention.
FIG. 15 illustrates an example in which a display position of a first image and a stereoscopic image is changed by a user operation in an electronic device according to an embodiment of the present invention.
16 and 17 illustrate examples of selecting a specific object from a preview image in an electronic device according to an embodiment of the present invention.
18 illustrates an example of varying the depth value of a stereoscopic image based on an object selected in a preview image in an electronic device according to an exemplary embodiment of the present invention.

The above objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. It is to be understood, however, that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities. Like reference numerals designate like elements throughout the specification. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. In addition, numerals (e.g., days, days, etc.) used in the description of the present invention are merely an identifier for distinguishing one component from another component

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.

In addition, the suffix "module" and " part "for constituent elements used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

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

Meanwhile, the electronic device according to the embodiment of the present invention may be a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a navigation device, a television ), A desktop computer, a set-top box, a digital camera, and the like.

1 is a block diagram of an electronic apparatus according to an embodiment of the present invention.

The electronic device 100 includes a communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, a power supply unit 190, and the like. The components shown in FIG. 1 are not essential, and an electronic device having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The communication unit 110 may include one or more modules that enable communication between the electronic device 100 and the communication system or between the electronic device 100 and the network in which the electronic device 100 is located. For example, the communication unit 110 may include 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 broadcast receiving module 111 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. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to 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, an EPG (Electronic Program Guide) of a DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of a DVBH (Digital Video BroadcastHandheld).

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems. In particular, the broadcast receiving module 111 may be a digital multimedia broadcasting broadcasting (DMBT), a digital multimedia broadcasting satellite (DMBS), a media forward link only (MediaFLO), a digital video broadcasting ), And ISDBT (Integrated Services Digital Broadcast Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems that provide broadcast signals as well as the digital broadcasting system described above.

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

The mobile communication module 112 transmits and receives radio signals to 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 depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the electronic device 100 or externally. WLAN (WiFi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

The position information module 115 is a module for confirming or obtaining the position of the electronic device. A typical example of the location information module is a GPS (Global Position System) module. According to the current technology, the GPS module 115 calculates information on a distance (distance) from three or more satellites to one point (entity), information on the time when the distance information is measured, , Three-dimensional position information according to latitude, longitude, and altitude of one point (individual) in one hour can be calculated. Further, 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 also used. The GPS module 115 continues to calculate the current position in real time and uses it to calculate speed information.

Referring to FIG. 1, an A / V (Audio / Video) 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 communication mode or the photographing mode. The processed image frame can be displayed on the display module 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or may be transmitted to the outside through the communication unit 110. [ The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as 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. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

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

The sensing unit 140 senses the current state of the electronic device 100, such as the open / close state of the electronic device 100, the position of the electronic device 100, the presence or absence of user contact, the orientation of the electronic device, And generates a sensing signal for controlling the operation of the electronic device 100. For example, when the electronic device 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. In addition, it may be responsible for a sensing function related to whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor.

The output unit 150 is for generating output related to visual, auditory or tactile sense and includes a display module 151, an acoustic output module 152, an alarm unit 153, and a haptic module 154 .

The display module 151 displays information to be processed in the electronic device 100. For example, when the electronic device 100 is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the electronic device 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display module 151 may be a liquid crystal display, a thin film transistor liquid crystal display, an organic light emitting diode, a flexible display, a 3D display And may include at least one.

Some of these displays may be transparent or light transmissive so that they can be seen through. This may be referred to as a transparent display. A typical example of the transparent display is a transparent LCD or the like. The rear structure of the display module 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display module 151 of the terminal body.

There may be two or more display modules 151 according to the embodiment of the electronic device 100. [ For example, in the electronic device 100, a plurality of display modules may be spaced apart or integrally arranged on one surface, and may be disposed on different surfaces, respectively.

In a case where the display module 151 and the sensor for sensing the touch operation (hereinafter, referred to as 'touch sensor') have a mutual layer structure (hereinafter referred to as 'touch screen' It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

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

If 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 module 151 is touched or the like.

Referring to FIG. 1, a proximity sensor may be disposed in an inner area of an electronic device to be wrapped by the touch screen or in the vicinity of 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 a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor 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.

And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor detects 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, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The sound output module 152 may output audio data received from the communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 outputs sound signals associated with functions (e.g., call signal reception tones, message reception tones, etc.) performed in the electronic device 100. The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the electronic device 100. Examples of events that occur in electronic devices include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The video signal or audio signal may also be output through the display module 151 or the audio output module 152.

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

In addition to the vibration, the haptic module 154 may be configured to perform various functions such as an effect of stimulation by a pin arrangement vertically moving with respect to a contact skin surface, an effect of stimulation by air spraying force or suction force through a jet opening or a suction opening, A variety of tactile effects such as an effect of stimulation through contact of an electrode, an effect of stimulation by an electrostatic force, and an effect of reproducing a cold sensation using a heat absorbing or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to feel the tactile effect through the muscles of the user's finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

The memory 160 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 160 may store data on vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM At least one of a random access memory (RAM), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- Type storage medium. The electronic device 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the electronic device 100. The interface unit 170 receives data from an external device or receives power from the external device to transfer the data to the respective components in the electronic device 100 or to transmit data in the electronic device 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 for storing various information for authenticating the usage right of the electronic device 100. The identification module includes a user identification module (UIM), a subscriber identity module (SIM) (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.

When the electronic device 100 is connected to an external cradle, the interface unit may be a path through which electric power from the cradle is supplied to the electronic device 100 or various command signals input from the cradle by the user It can be a passage to the device. Various command signals input from the cradle or the power source may be operated as a signal for recognizing that the electronic device is correctly mounted on the cradle.

The control unit 180 typically controls the overall operation of the electronic device. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

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 various embodiments described herein may be embodied 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 may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, microcontrollers, microprocessors, and electrical units for performing functions. In some cases such embodiments may be implemented using a controller 180 < / RTI >

According to a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be implemented by a software application written in a suitable programming language. In addition, the software codes may be stored in the memory 160 and executed by the control unit 180. [

FIGS. 2 and 3 are views for explaining a stereoscopic image displaying method using a binocular parallax according to an embodiment of the present invention. FIG. 2 is a view illustrating a method using a lenticular lens array And Fig. 3 shows a method using a parallax barrier.

Binocular parallax is the difference between the left eye and right eye view of a person. When synthesizing the image seen through the left eye and the image seen through the right eye in the human brain, the synthesized image makes a person feel stereoscopic. Hereinafter, a phenomenon in which a person feels stereoscopic effect according to binocular parallax is referred to as 'stereoscopic vision', and a stereoscopic image is used as a stereoscopic image. In addition, when a specific object included in an image causes stereoscopic vision, the object is referred to as a 'stereoscopic object'.

The stereoscopic image display method according to the binocular disparity can be classified into a spectacle type requiring special glasses and a non-eye type requiring no glasses. The spectacle type includes a method using a sunglass having wavelength selectivity, a polarized spectacle method using a shading effect according to a polarization difference, and a time-division spectacle method in which right and left images are alternately presented in a residual image time of the eye. In addition, there is a method of mounting a filter having a different transmittance in each of the right and left eyes to obtain a three-dimensional effect on the movement in the left and right direction in accordance with the time difference of the visual system from the difference in transmittance.

In addition, a parallax barrier system, a lenticular lens system, or a microlens array system is used for a non-eye-safety system in which a stereoscopic effect is generated on the side of the image display surface other than the observer.

Referring to FIG. 2, the display module 151 includes a lenticular lens array 11a to display a stereoscopic image. The lenticular lens array 11a is constituted by a pixel L to be input to the left eye 12a and a pixel R to be input to the right eye 12b are alternately arranged along the lateral direction and the display surface 13 and the left and right eyes 12a, 12b and provides optical discrimination directivity for a pixel L to be input to the left eye 12a and a pixel R to be input to the right eye 12b. Accordingly, the image of the human eye, which has passed through the lenticular lens array 11a, is separated and observed from the left eye 12a and the right eye 12a, and the human brain displays the image viewed through the left eye 12a and the image viewed through the right eye 12b And the stereoscopic image is observed.

Referring to FIG. 3, in order to display a stereoscopic image, the display module 151 includes a parallax barrier 11b having a vertical grid shape. The parallax barrier 11b includes a pixel L to be inputted to the left eye 12a and a pixel R to be inputted to the right eye 12b are alternately arranged along the horizontal direction and the display surface 13 and the left and right eyes 12a, 12b so that the images are separated from the left eye 12a and the right eye 12b through an aperture of a vertical grid. Therefore, the human brain combines the image viewed through the left eye 12a and the image viewed through the right eye 12b to observe the stereoscopic image. This parallax barrier 11b is turned on only when it is desired to display a stereoscopic image and separates the incident time. When the flat image is to be displayed, the parallax barrier 11b is turned off so that the incident time can be passed without being separated have.

Meanwhile, the stereoscopic image display methods described above are for illustrating embodiments of the present invention, and the present invention is not limited thereto. The present invention can display stereoscopic images using binocular parallax using various methods in addition to the above-described methods.

4 and 5 are diagrams showing an appearance of an electronic device 100 according to an embodiment of the present invention. FIG. 4 illustrates an example in which the electronic device 100 is a digital camera, and FIG. 5 illustrates an example in which the electronic device 100 is a mobile terminal.

Referring to FIG. 4, the digital camera 100 may include one body. 4A is a front view of the digital camera 100, and FIG. 4B is a rear view of the digital camera 100. FIG. A plurality of cameras 121a and 121b may be provided on a front surface of the digital camera 100. [ A display module 151 is provided on the back of the digital camera 100 and a user input unit 130 such as a keypad is provided. In addition, a circuit for implementing the control unit 180 is provided inside the body of the digital camera 100.

Referring to FIG. 5, the mobile terminal 100 may include one bar type body. 5 (a) is a front view of the mobile terminal 100, and FIG. 5 (b) is a rear view of the mobile terminal 100. FIG. A display module 151 is provided on a front surface of the mobile terminal 100 and a user input unit 130 such as a keypad is provided. In addition, a circuit for implementing the control unit 180 is provided in the body of the mobile terminal 100. A plurality of cameras 121a and 121b may be provided on the back surface of the mobile terminal 100. [

FIGS. 4 and 5 illustrate examples of the appearance of the electronic device 100, and the body shape of the electronic device 100 may vary. For example, the mobile terminal 100 may be implemented as a folder type body. In addition, the position of each component of the electronic device 100 may be varied. For example, the first camera 121a of the mobile terminal 100 may be disposed on the back of the body, and the second camera 121b may be disposed on the bottom of the body.

Meanwhile, the plurality of cameras 121a and 121b provided in the electronic device 100 may be combined to generate a stereoscopic image according to binocular disparity.

6 illustrates an example of acquiring a plurality of images for generating a stereoscopic image according to a binocular disparity using a plurality of cameras 121a and 121b provided in the electronic device 100 according to an embodiment of the present invention. It is.

6A shows an example of acquiring a right eye image through the first camera 121a with respect to the same object 6a and FIG. And an image for the left eye is acquired through the camera 121b.

6, the electronic device 100 acquires a left-eye image and a right-eye image having different time differences through a plurality of cameras 121a and 121b, and acquires the left-eye image and the right- Thereby generating a stereoscopic image.

The embodiments disclosed in this document can be implemented in the electronic device 100 described with reference to Figs.

Hereinafter, a control method of the electronic device 100 according to an embodiment of the present invention and an operation of the electronic device 100 performing the method will be described in detail with reference to the necessary drawings.

7 is a flowchart illustrating a control method of the electronic device 100 according to an embodiment of the present invention.

Referring to FIG. 7, the controller 180 receives a first image corresponding to a left eye image and a second image corresponding to a right eye image through a plurality of cameras 121a and 121b (S101). Then, a preview image obtained through at least one camera among the plurality of cameras 121a and 121b is displayed on the display area of the display module 151 (S102). That is, a first image input through the first camera 121a or a second image input through the second camera 121b may be displayed as a preview image, or an image obtained by overlapping a first image and a second image Can be displayed as a preview image.

8 to 15 illustrate examples in which the electronic device 100 displays a preview image.

FIG. 8 illustrates an example of displaying a preview image by superimposing a first image input through the first camera 121a or a second image input through the second camera 121b. Referring to FIG. 8, an image 8a obtained by superimposing a first image input through the first camera 121a or a second image input through the second camera 121b is displayed as a preview image.

On the other hand, when the near object is photographed by the camera 121, the display position in the first image and the display position in the second image may be significantly different from each other even in the same object. 9 shows another example of displaying a preview image by superimposing a first image input through the first camera 121a or a second image input through the second camera 121b as a preview image, And the object is photographed. Referring to FIG. 9, the display positions of the objects 9a in the first image and the second image obtained by capturing the same object 9a are greatly different from each other. Accordingly, when the user tries to select an object by touching the object included in the preview image, the object of the first image and the object of the second image displayed on the touched point may be different from each other. Accordingly, a plurality of objects can be positioned at the touched point in the preview image.

Accordingly, in the embodiment of the present invention, images input through any one of the cameras 121a and 121b may be displayed as preview images on a screen, or a plurality of cameras 121a and 121b The images can be displayed separately as preview images. In addition, it is also possible to display images and stereoscopic images input through any one of the plurality of cameras 121a and 121b as preview images.

FIG. 10 illustrates an example of displaying an image input through a camera among a plurality of cameras 121a and 121b as a preview image. Referring to FIG. 10, a first image 10a input through the first camera 121a is displayed in the display area. Accordingly, the controller 180 controls the depth of the stereoscopic image based on the object selected in the first image 10a.

11 to 13 illustrate examples in which a plurality of images input through the plurality of cameras 121a and 121b are displayed as a preview image. Referring to FIG. 11, the display region is divided into a first display region 11a and a second display region 11b. A first image 10a input through the first camera 121a is displayed in the first display area 11a and a second image 10a input through the second camera 121b is displayed in the second display area 11b. The image 10b is displayed. Accordingly, the controller 180 controls the depth value of the stereoscopic image based on the object selected from the first image 10a or the second image 10b. As a method of dividing the display area shown in FIG. 12 into the first display area 11a and the second display area 11b by way of example, a display area is divided into a first display area 11a and a second display area 11b The way to distinguish can be different. The first display area 11a and the second display area 11b may be logically divided into one display area or physically divided display area.

12, when the first image 10a and the second image 10b are distinguished from each other and displayed as a preview image, the control unit 180 may display the stereoscopic image on each of the images 10a and 10b, And the area 12 included therein may be displayed. Accordingly, the user can intuitively recognize the area included in the stereoscopic image.

On the other hand, the display positions of the first image 10a and the second image 10b shown in FIG. 11 are examples, and the display positions of the first image 10a and the second image 10b may be different. In addition, the display positions of the first image 10a and the second image 10b may be changed by a user operation.

FIG. 13 shows an example in which the display positions of the first image 10a and the second image 10b are changed by a user operation.

13, a first image 10a input through the first camera 121a is displayed on the first display area 11a and a second image displayed on the second display area 11b is displayed on the second display area 11b via the second camera 121b The input second image 10b is displayed (S201).

The control unit 180 controls the first display area 11a and the second camera 121b in the first display area 11b and the second display area 11b in the second display area 11b, And displays the first image 10a input through the first camera 121a in the second display area 11b at step S202.

FIGS. 14 and 15 illustrate an example of displaying a stereoscopic image and a stereoscopic image input through any one of the plurality of cameras 121a and 121b as a preview image.

14, a first image 10a input through the first camera 121a is displayed in a first display area 11a, a first image 10a and a second image 10b are displayed in a second display area 11b, And the stereoscopic image 10c generated by synthesizing the two images 10b is displayed. Here, the stereoscopic image 10c is a preview image of the stereoscopic image stored in the memory 160 at the time of photographing, and is displayed by the no-eye stereoscopic image display method. According to the embodiment of the present invention, the display module 151 includes a panel for displaying a stereoscopic image in any one of the above-described lenticular lens system or parallax barrier system. Further, it is possible to partially turn on / off the panel. That is, the display module 151 can control the stereoscopic image to be displayed in a seamless manner in only one of the first display area 11a and the second display area 11b.

Referring to FIG. 14, the controller 180 controls the depth value of the stereoscopic image 10c displayed on the second display area 11b based on the object selected in the first image 10a. Accordingly, the user can intuitively confirm that the depth value of the stereoscopic image is variable by selecting the object.

On the other hand, the display positions of the first image 10a and the stereoscopic image 10c shown in FIG. 14 are examples, and the display positions of the first image 10a and the stereoscopic image 10c may be different. In addition, the display positions of the first image 10a and the stereoscopic image 10c may be changed by a user's operation.

FIG. 15 shows an example in which the display positions of the first image 10a and the stereoscopic image 10c are changed by a user operation.

Referring to FIG. 15, a first image 10a is displayed on the first display area 11a and a stereoscopic image 10c is displayed on the second display area 11b (S301).

The control unit 180 displays the stereoscopic image 10c in the first display area 11a as a drag starting from the second display area 11b by the user and ending in the first display area 11b is input. And controls the display module 151 to display the stereoscopic image 10c in the second display area 11b (S302).

On the other hand, in the embodiment of the present invention, the preview image display method can be automatically switched at the time of photographing a close object and at a long distance object. For example, when photographing a distant object, a preview image may be displayed by the method shown in FIG. 8, and a preview image may be displayed by the method described with reference to FIGS. 10 to 15 when photographing a near object. A method of determining whether the distance to an object to be photographed is a long distance or a short distance is well known and can be easily carried out by those skilled in the art, so that a detailed description thereof will be omitted in the present invention.

Referring again to FIG. 7, when a specific object included in the preview image is selected in a state that the preview image is displayed on the screen (S103), the controller 180 controls the depth value of the stereoscopic image on the basis of the selected object (S104) . That is, when a first image and a second image are combined to generate a stereoscopic image, the depth value of the stereoscopic image is controlled by controlling the parallax between the two images based on the selected object. The parallax between the two images can be controlled by varying the position where the two images are composited when composing the two images.

FIGS. 16 and 17 show examples of selecting a specific object from the preview image.

Referring to FIG. 16, an image 16a obtained by superimposing a first image input through the first camera 121a or a second image input through the second camera 121b is displayed as a preview image. If a point 16b of the display area is touched while the preview image is displayed, the controller 180 selects the object 16c displayed on the touched point 16b among the objects included in the preview image.

Referring to FIG. 17, a first image 10a input through the first camera 121a is displayed in the first display area 11a, a second image displayed in the second display area 11b is displayed through the second camera 121b The input second image 10b is displayed. If a point 17a of the first display area 121a is touched while the preview image is displayed, the control unit 180 displays the touched point 17a among the objects included in the first image 10a And selects the object 17c.

Accordingly, the control unit 180 displays an icon 17d indicating that the corresponding object is selected in the display area of the same object 17c 'as the selected object 17c among the objects included in the second image 10b . That is, the selected object 17c 'is also displayed in the second image 10b. Accordingly, the user can intuitively recognize that the object selection has been correctly performed.

17 shows an example of displaying the selected object 17c 'on the second image 10b. The method of displaying the selected object 17c' among the objects included in the second image 10b is different . For example, the control unit 180 may control the outline of the selected object 17c 'so as to be distinguished from other objects. In addition, for example, the control unit 180 may control the stereoscopic effect of the selected object 17c 'so as to be distinguished from other objects.

18 shows an example in which the depth value of the stereoscopic image is varied based on the object selected in the preview image.

18 (a) shows a stereoscopic image before an object is selected, and FIG. 18 (b) shows a stereoscopic image after an object is selected. 18, when the first object 11a is selected from among the three-dimensional objects 18a, 18b, and 18c included in the three-dimensional image, the controller 180 controls the three- The parallax is controlled such that the depth value of the depth is equal to the reference depth value 18d, for example, "0 ".

Conventionally, when capturing a stereoscopic image, a user moves the position where a left image and a right image are composited by one pixel by changing a depth value of a stereoscopic image through a button operation. However, according to the embodiment of the present invention described above, the user can vary the depth value of the stereoscopic image only by selecting the reference object. Therefore, the convenience of the user is increased.

The above-described method of controlling an electronic device according to the present invention can be provided by being recorded on a computer-readable recording medium as a program for execution on a computer.

The control method of the electronic device according to the present invention can be executed through software. When executed in software, the constituent means of the present invention are code segments that perform the necessary tasks. The program or code segments may be stored on a processor read functional medium or transmitted by a computer data signal coupled with a carrier wave in a transmission medium or communication network.

A computer-readable recording medium includes a recording device of a mode type in which data that can be read by a computer system is stored. Examples of the computer-readable recording device include a ROM, a RAM, a CD-ROM, a DVD-ROM, a DVD-RAM, a magnetic tape, a floppy disk, a hard disk and an optical data storage device. Also, the computer-readable recording medium may be distributed over a network-connected computer device so that computer-readable code can be stored and executed in a distributed manner.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings, and all or some of the embodiments may be selectively combined so that various modifications may be made.

Claims (14)

touch screen;
A plurality of cameras for acquiring an external image; And
A first image or a second image is displayed on a first area of the touch screen, and the first image or the second image is displayed on the touch screen, A preview image of the stereoscopic image is displayed in a second area of the screen and a touch input for selecting a specific object in the preview image displayed in the first area is received, A controller for varying the depth value of the stereoscopic image and displaying the preview image of the stereoscopic image on the second area by reflecting the variable depth value,
.
delete The method according to claim 1,
Wherein the control unit varies the combined position of the first image and the second image to vary the depth value of the stereoscopic image.
The method according to claim 1,
Wherein the control unit selects the specific object based on a point touched on the touch screen.
delete delete delete The method according to claim 1,
Wherein the controller displays the position of the same object as the specific object among the objects included in the second image on the second image as the specific object is selected from the first image.
The method according to claim 1,
Wherein the controller displays an area included in the stereoscopic image for each of the first image and the second image.
delete The method according to claim 1,
Wherein the control unit exchanges images displayed in the first area and the second area with each other based on a touch input received through the touch screen. delete delete delete

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