KR20150050052A - Mobile terminal and method for controlling of the same - Google Patents

Abstract

Disclosed are a mobile terminal and a method for controlling the same. According to an embodiment, the mobile terminal displays a first preview screen obtained through a camera in a photograph shooting mode on a touch screen, resets shooting conditions of the camera if a specific subject among at least one subject included in the first preview screen is included under the predetermined rate of a whole shape, and displays a second preview screen obtained in the reset shooting conditions on the touch screen.

Description

TECHNICAL FIELD [0001] The present invention relates to a mobile terminal and a control method of the mobile terminal,

The present invention relates to a mobile terminal for automatically setting shooting conditions of a camera and a control method for the mobile terminal.

A terminal such as a personal computer, a notebook computer, and a mobile phone has a variety of functions, and a multimedia device (multimedia player) having a complex function such as photographing, movie shooting, playing music or video file, .

Along with the rapid development of the mobile communication terminal, the function of the camera has been widened to the utilization area of the existing digital camera as the resolution is improved.

As the mobile communication terminal with the built-in camera function is rapidly spreading, a mobile communication terminal capable of maximizing a moving picture shooting function by mounting a large-capacity multimedia memory device is being developed.

However, the camera mounted on the mobile communication terminal is not provided with the automatic focusing function, has a narrow range of the photographing magnification, and has a problem in that the self-photographing is mainly performed, resulting in poor composition of the photographed image.

The present invention relates to a mobile terminal providing a user interface for automatically setting a shooting condition of a camera according to a shape of a subject included in a preview screen and selecting an image displayed on a preview screen and an image to be stored among optimized images, .

In order to achieve the above object, a mobile terminal according to an embodiment of the present invention includes a camera, a touch screen, and a first preview screen acquired through a camera in a photograph shooting mode on a touch screen, And a control unit for re-setting the photographing condition of the camera when a specific subject is included in a predetermined ratio of the entire shape or less and displaying the second preview screen acquired on the reset photographing condition on the touch screen.

The control unit may predict the overall shape of the specific object included in the first preview screen and determine whether the shape of the specific object included in the first preview screen with respect to the predicted overall shape is less than a preset ratio.

The control unit adjusts the shooting magnification of the camera so that the specific object included in the first preview screen is included in a ratio less than the set ratio of the overall shape in consideration of the initial shooting magnification, the maximum imaging magnification, and the minimum imaging magnification of the camera, You can reset it.

The control unit may reset the shooting magnification of the camera such that a specific subject included in the first preview screen is not included in the second preview screen when the initial shooting magnification of the camera is the minimum shooting magnification.

The control unit may reset the imaging magnification of the camera such that the specific object included in the first preview screen exceeds the ratio set in the second preview screen when the initial imaging magnification of the camera is the maximum imaging magnification.

The control unit can change the photographing condition of the camera by changing to the panorama mode when the photographing magnification of the camera can not be adjusted so that the specific subject included in the first preview screen is included in a ratio less than the set ratio of the entire shape.

When the photographing condition of the camera is changed to the panorama mode, the control unit can further display, on the second preview screen, a guide for displaying the photographing direction in a specific subject direction included in the first preview screen.

The control unit can further display the function key for changing the shooting direction on the second preview screen.

According to another aspect of the present invention, there is provided a mobile terminal for displaying a camera, a touch screen, and a preview screen acquired through a camera in a photograph mode on a touch screen, A third image edited in consideration of at least one of a shape of a subject included in a second image captured by adjusting a photographing magnification of the camera and a position and a position of a subject included in the second image, And a controller for displaying a user interface for selecting an image to be stored among the image or the third image on the touch screen.

The control unit may select a part of the second image and generate the third image when a part of the shape of the subject included in the second image is not located at the center of the preview screen.

According to another aspect of the present invention, there is provided a method for controlling a mobile terminal, the method comprising: displaying a first preview image acquired through a camera in a photograph photographing mode; Determining whether a specific subject is included within a predetermined ratio of the overall shape or not; resetting the photographing condition of the camera when a specific subject is included in a predetermined ratio or less as a result of the determination; For example.

According to another aspect of the present invention, there is provided a method for controlling a mobile terminal, the method comprising: displaying a preview screen acquired through a camera in a photograph photographing mode; Generating a third image edited by considering at least one of a first image, a second image captured by adjusting a photographing magnification of the camera, and a shape and a position of a subject included in the second image, And displaying a user interface for selecting an image to be stored among the third images.

The details of other embodiments are included in the detailed description and drawings.

The control method of the mobile terminal and the mobile terminal according to the present invention has the following effects.

According to an embodiment of the present invention, when capturing a group shot, the photographing magnification of the camera can be automatically reset so that the shape of a specific object located at the edge includes a predetermined ratio or more.

In addition, according to an embodiment of the present invention, when the photographing magnification of the camera is adjusted and the group shots can not be acquired, the panorama mode is automatically converted so that the group shots can be photographed effectively.

According to an embodiment of the present invention, an optimized image can be stored by providing a user interface for selecting a stored image from the image displayed on the preview screen and the image displayed on the preview screen.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2A is a front perspective view of a mobile terminal according to an embodiment of the present invention.
2B is a rear perspective view of a mobile terminal according to an embodiment of the present invention.
3 is a flowchart of a control method of a mobile terminal according to the first embodiment of the present invention.
4 is a flowchart of a method of resetting a photographing condition of a camera of a mobile terminal according to the first embodiment of the present invention.
5 to 13 are diagrams for explaining a control method of a mobile terminal according to the first embodiment of the present invention.
14 is a flowchart of a method of controlling a mobile terminal according to a second embodiment of the present invention.
15 to 17 are diagrams for explaining a control method of a mobile terminal according to a second embodiment of the present invention.
18 is a view for explaining a control method of a mobile terminal according to a third 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., first, second, etc.) used in the description of the present invention are merely an identifier for distinguishing one component from another.

Hereinafter, a mobile terminal according to the present invention will be described in detail with reference to the drawings. The suffix "module" and "part" for components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), and navigation.

However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

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

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory unit 160, An interface unit 170, a control unit 180, a power supply unit 190, and the like. The components shown in Fig. 1 are not essential, and 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 for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range 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 unit 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 mobile terminal 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 location information module 115 is a module for confirming or obtaining the location of the mobile terminal. 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 unit 160 or may be transmitted to the outside through the wireless 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 mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And 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 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 an orientation sensor 141 and / or 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 and outputs information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 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 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 each other, or may be disposed on different surfaces.

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 region of the mobile terminal or in the vicinity of the touch screen, which is enclosed by 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 audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory unit 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 an acoustic signal related to a function (e.g., a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 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 mobile terminal 100. Examples of events that occur in the mobile terminal 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 unit 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 unit 160 may store data related to vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory unit 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) 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- Lt; / RTI > type of storage medium. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory unit 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in 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 for storing various information for authenticating the use right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A Universal Subscriber Identity Module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

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

The control unit 180 typically controls the overall operation of the mobile terminal. 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. Also, the software codes may be stored in the memory unit 160 and executed by the control unit 180. [

2A is a front perspective view of a mobile terminal according to the present invention.

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

The body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this embodiment, the case may be divided into a front case 101 and a rear case 102. [ A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be formed by injection molding a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

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

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 152 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132, the interface 170, and the like are disposed on the 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 portable 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 and may be employed in any manner as long as the user operates in a tactile manner.

The contents input by the operation units 131 and 132 can be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

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

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

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body such that they can be rotated or popped up.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 'may implement the stereo function together with the sound output unit 152 (see FIG. 2A), and may be used for the implementation of the speakerphone mode during a call.

In addition to the antenna for a call or the like, a broadcast signal reception antenna 124 may be additionally disposed on the side of the terminal body. The antenna 124 constituting a part of the broadcast receiving module 111 (see FIG. 1) may be installed to be able to be drawn out from the terminal body.

A power supply unit 190 for supplying power to the portable terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102.

The touch pad 135 operates in correlation with the display portion 151 of the front case 101. The touch pad 135 may be disposed parallel to the rear of the display unit 151. The touch pad 135 may have a size equal to or smaller than that of the display unit 151.

Hereinafter, embodiments of the present invention will be described.

FIG. 3 is a flowchart of a method of controlling a mobile terminal according to the first embodiment of the present invention, FIG. 4 is a flowchart of a method of resetting a photographing condition of a camera of a mobile terminal according to the first embodiment of the present invention, 13A and 13B are diagrams for explaining a control method of a mobile terminal according to the first embodiment of the present invention.

Referring to FIG. 3, the controller (180 in FIG. 1) may display a first preview screen acquired through the camera (121 in FIG. 1) in the photograph photographing mode (S110).

The control unit 180 of FIG. 1 activates the camera in the photograph photographing mode and displays the image of the subject obtained at the initially set photographing magnification on the display unit 151 of FIG. 1 as the first preview screen.

The control unit 180 may determine whether a specific subject included in the first preview screen is included in a proportion of the overall shape or less (S120).

As a result of the determination, if the specific object is determined to be equal to or less than the predetermined ratio of the overall shape (Yes), the control unit 180 of FIG. 1 resets the shooting conditions of the camera (S130) Can be displayed on the display unit (151 in Fig. 1).

The control unit 180 of FIG. 1 photographs at least one subject under the reset photographing condition when the step S120 is satisfied, and photographs at least one subject under the initially set photographing condition when the step S120 is not satisfied (S150) .

At this time, the control unit (180 of FIG. 1) can determine the method of resetting the photographing condition of the camera (S130) according to the photographing magnification of the camera and the ratio of the specific subject.

Referring to FIG. 4, the control unit (180 in FIG. 1) checks the imaging magnification of the camera (S132), and determines whether a specific subject can include a predetermined ratio of the overall shape by adjusting the imaging magnification of the camera (S134).

Specifically, the control unit (180 in FIG. 1) confirms the initial photographing magnification, the maximum photographing magnification, and the minimum photographing magnification of the camera, and increases or decreases the initial photographing magnification of the camera such that a specific subject exceeds the set proportion of the overall shape It is possible to judge whether or not it can be done. The maximum photographing magnification and the minimum photographing magnification can be set as the basic specifications for the camera manufacture.

A specific subject indicates a subject positioned at an edge of a first preview screen of a subject included in the preview screen and defines a changed subject as a specific subject when the subject located on the preview screen is changed as the shooting magnification of the camera is adjusted.

The control unit 180 in FIG. 1 predicts the overall shape of a specific object to determine whether a specific object is included in excess of a predetermined ratio of the overall shape, and calculates the ratio of the area of the entire shape to the area of the shape included in the preview screen Can be calculated.

The control unit 180 of FIG. 1 can automatically adjust the shooting magnification of the camera when the shooting magnification can be adjusted so that a specific subject exceeds the set ratio of the overall shape (S136). The control unit (180 in FIG. 1) can select an arbitrary photographing magnification among the photographing magnifications in a range in which a specific subject exceeds a set ratio of the overall shape, and reset the photographing magnification to the camera. For example, the control unit (180 in FIG. 1) can reset the photographing magnification of the camera to a middle value among photographing magnifications in a range in which a specific subject exceeds a set ratio of the entire shape.

Specifically, when the initial shooting magnification of the camera is set to the minimum shooting magnification, the control unit (180 in FIG. 1) can reset the shooting magnification of the camera such that a specific subject included in the first preview screen is not included in the second preview screen have.

Further, when the initial shooting magnification of the camera is set to the maximum shooting magnification, the controller (180 in FIG. 1) sets the shooting magnification of the camera such that the specific object included in the first preview screen exceeds the ratio set in the second preview screen You can reset it.

The control unit (180 in FIG. 1) can not adjust the shooting magnification so that a specific subject is included in excess of the set ratio of the overall shape (when the camera can not be adjusted so that a specific subject is included in the set proportion of the overall shape within the shooting magnification range of the camera , The photographing mode of the camera can be changed to the panorama mode (S138).

When the photographing mode of the camera is changed to the panoramic mode, the control unit (180 in Fig. 1) can further display a guide for displaying the panoramic photographing direction and a function key for switching the panoramic photographing direction on the second preview screen. Upon receipt of the input for the function key, the control unit (180 in FIG. 1) can switch the panoramic photographing direction and display the guide in the opposite direction.

The control unit 180 of FIG. 1 resets the imaging magnification of the camera such that the first specific object included in the first preview screen is included in a ratio exceeding the entire shape before adjusting the imaging magnification of the camera, When the second specific subject included in the second preview screen acquired by the camera is included in a ratio lower than a predetermined ratio of the overall shape, the shooting magnification of the camera is reset such that the second specific subject exceeds the set ratio of the overall shape .

The control unit (180 in FIG. 1) repeats the process of resetting the shooting magnification of the camera, and when it is determined that the specific object included in the preview screen acquired at the final shooting magnification is included in a ratio lower than the set ratio of the overall shape You can change the shooting mode in panorama mode.

Hereinafter, a control method of the mobile terminal according to the first embodiment of the present invention will be described in detail with reference to FIG. 5 to FIG.

Referring to FIG. 5, the controller (180 in FIG. 1) may display the first preview screen acquired through the camera in the photograph shooting mode on the touch screen 151. At this time, the camera is set to the initial photographing magnification, and can be generally set to the minimum photographing magnification or the maximum photographing magnification.

The control unit 180 of FIG. 1 can display the four subjects P1 through P4 acquired through the camera on the touch screen 151 and can display the first subject P1 and the fourth subject P4 as a specific subject You can decide.

Referring to FIGS. 6 and 7, when a specific input is received, the control unit 180 may determine whether a specific object included in the first preview screen is included in a ratio of the overall shape or less. In addition, the controller (180 in FIG. 1) can determine whether a specific subject included in the first preview screen is included in a proportion of the overall shape or less when the set time has elapsed.

For example, the control unit (180 in FIG. 1) judges the long touch input at a certain point of the first preview screen as a specific input (see FIG. 6), or pinch-outs the first preview screen Or a pinch-in input as a specific input (see FIG. 7).

The control unit (180 in FIG. 1) predicts the overall shape of the first subject P1 and the fourth subject P4, which are the specific subjects included in the first preview screen when a specific input is received, Can be calculated. At this time, the controller (180 in FIG. 1) can determine the overall shape of the subject according to the type and attitude of the subject. For example, when the subject is a person, the control unit (180 in Fig. 1) can determine the face shape of the person as the entire shape, or determine the upper body or whole body as the whole shape.

The control unit 180 of FIG. 1 can reset the photographing conditions of the camera when the first subject P1 and the fourth subject P4, which are determined as a specific subject, contain less than a predetermined ratio of the overall shape predicted by each of the first subject P1 and the fourth subject P4. More specifically, the control unit 180 of FIG. 1 adjusts the photographing magnification of the camera according to whether or not the photographing magnification of the camera can be adjusted to include specific subjects in excess of the set ratio, or a method of changing to the panoramic mode You can choose one.

For example, the control unit (180 in Fig. 1) can determine the face as a whole when the subject is a person, and set the ratio of conditions for resetting the shooting condition of the camera to 70%. The control unit 180 of FIG. 1 predicts the face shapes of the first subject P1 and the fourth subject P4, which are specific subjects, as an overall shape, and the first subject P1 and the second subject P1 included in the first preview screen, It can be judged that the first subject P1 is included in a ratio smaller than a predetermined ratio by comparing the size of each of the four subject P4 and the size of the overall shape by 70% or less.

Referring to FIGS. 8 and 9, when the ratio of a specific subject included in the preview screen can be adjusted to exceed a predetermined ratio, the control unit 180 of FIG. 1 may reset the shooting magnification of the camera.

The controller 180 (FIG. 1) zoom-outs the photographing magnification of the camera so that the first subject P1 included in a specific subject is equal to or more than 70% (refer to FIG. 8) If the shooting magnification of the camera can not be adjusted so that the subject P1 includes 70% or more, the shooting magnification of the camera can be zoomed-in so that the first subject P1 is not included in the preview screen Reference).

Referring to FIGS. 10 and 11, the control unit (180 in FIG. 1) overlaps and displays a progress bar (B1) indicating a photographing magnification of the camera on a preview screen and displays an initial photographing magnification b1 and the re-set imaging magnifications b2 and b3, respectively.

Referring to FIGS. 12 and 13, the control unit 180 of FIG. 1 may change the photographing mode of the camera to the panoramic mode when the ratio of the specific subject included in the preview screen can not be adjusted to exceed the predetermined ratio.

Referring to FIG. 12, when the control unit 180 is changed to the panorama mode, a guide g1 representing the panoramic shooting direction, a function key g1 for switching the panoramic shooting direction, The photographed image cl can be displayed.

Referring to FIG. 13, the controller (180 in FIG. 1) displays a preview screen acquired through the camera on the touch screen 151 as the direction of the camera moves, and displays a guide g1 ), A function key g1 for switching the panoramic photographing direction, and a panoramic photographed image cl can be displayed. At this time, the panoramic image c1 can be displayed by compositing the photographed images as the camera moves.

Therefore, according to the present invention, it is possible to reset the photographing condition optimized to include a subject located at the edge of the group photographing at a predetermined ratio or more. If the photographing magnification can not be adjusted, the panorama photographing mode is automatically converted into the optimum group photographing can do.

FIG. 14 is a flowchart of a control method of a mobile terminal according to a second embodiment of the present invention, and FIGS. 15 to 17 are views for explaining a control method of a mobile terminal according to a second embodiment of the present invention.

Referring to FIG. 14, the control unit 180 of FIG. 1 may display a preview screen acquired through the camera in the photograph photographing mode (S210). If a specific input is received (S220), the control unit (180 in FIG. 1) determines the shape of the subject included in the first image captured on the preview screen, the second image captured by adjusting the shooting magnification of the camera, Position of the first image and the second image (S230).

More specifically, the control unit (180 in FIG. 1) generates an image in which the photographing magnification is adjusted when a part of the shape of the subject is not included. When a part of the shape of the subject is not located at the center of the preview screen, A new image can be generated.

The controller (180 in FIG. 1) may display a user interface for selecting an image to be stored among the first to third images on the touch screen.

15 and 16, a first image A1 capturing a preview screen (a) acquired through a camera, a second image A2 captured by adjusting a shooting magnification of a preview screen, and a second image A2 The third image A3 can be generated.

The control unit 180 of FIG. 1 adjusts the shooting magnification in consideration of the characteristics (for example, number, position, and shape) of the subject displayed on the preview screen and displays the second image A2 photographed at the adjusted shooting magnification Can be generated. Specifically, the control unit (180 in FIG. 1) can determine the imaging magnification to be reset in consideration of the initial imaging magnification of the camera and the characteristics of the subject. For example, when the subject is taking a specific pose, the photographing magnification can be adjusted so as to include a specific pose (refer to Fig. 15). If the entirety of the subject is not included in the preview screen, Or the photographing magnification can be adjusted so that the shape of the setting ratio is included in the preview screen (refer to FIG. 16).

In addition, the control unit 180 may generate the third image by editing the second image such that the subject of the second image photographed by adjusting the photographing magnification is located in the central area. In the case where the subject is two or more, The third image can be generated so as to include only the subject.

Referring to FIG. 17, the control unit 180 of FIG. 1 may display a user interface W1 for selecting one of the generated first to third images on the touch screen 151 displayed on the preview screen .

The control unit 180 of FIG. 1 includes a second image A2 and a third image A3 that are newly generated, and a second image A3 that selects a first image A1, a second image A2, and a third image A3, The user interface W1 can be displayed to include the menu 'Current', 'Left', and 'Right'.

18 is a view for explaining a control method of a mobile terminal according to a third embodiment of the present invention.

Referring to FIG. 18, the controller (180 in FIG. 1) analyzes the shape of the subject displayed on the preview screen in the photographing mode, and guides guides D1 to D4 for moving the camera so that the center of the subject is positioned on the preview screen Can be displayed on the preview screen.

Further, the control unit (180 in Fig. 1) can be configured to output a guide for causing the camera to move together with a voice.

According to the first to third embodiments of the present invention, it is possible to adjust the photographing conditions of the camera, generate a new image, or induce the photographing direction, Can be obtained.

The above-described method of controlling a mobile terminal according to the present invention can be provided by being recorded in a computer-readable recording medium, which is a program for execution in a computer.

The control method of the mobile terminal 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 in a processor readable medium or transmitted by a computer data signal coupled with a carrier wave in a transmission medium or a communication network.

A computer-readable recording medium includes all kinds of recording apparatuses 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. The computer-readable recording medium may also be distributed to networked computer devices 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. In addition, the embodiments described in this document are not limited to be applied, but all or some of the embodiments may be selectively combined so that various modifications can be made.

100: mobile terminal 151: display module
180:

Claims (11)

camera;
touch screen; And
A first preview screen acquired through the camera in a photograph photographing mode is displayed on the touch screen, and when a specific subject among at least one subject included in the first preview screen is included in a ratio less than a predetermined ratio of the overall shape, And displays a second preview screen obtained on the reset photographing condition on the touch screen;
.
The method according to claim 1,
Wherein the control unit predicts the overall shape of a specific object included in the first preview screen and determines whether the shape of the specific object included in the first preview screen with respect to the predicted overall shape is less than a predetermined ratio .
The method according to claim 1,
Wherein the control unit adjusts the photographing magnification of the camera such that a specific subject included in the first preview screen exceeds a set ratio of the overall shape in consideration of the initial photographing magnification, the maximum photographing magnification, and the minimum photographing magnification of the camera And resets the photographing condition of the camera.
The method of claim 3,
Wherein the controller resets the imaging magnification of the camera such that a specific subject included in the first preview screen is not included in the second preview screen when the initial imaging magnification of the camera is the minimum imaging magnification. .
The method of claim 3,
Wherein the control unit resets the imaging magnification of the camera such that a specific object included in the first preview screen is included in a ratio exceeding the ratio set on the second preview screen when the initial imaging magnification of the camera is the maximum imaging magnification .
The method according to claim 1,
The control unit changes the photographing condition of the camera by changing to the panoramic mode when the photographing magnification of the camera can not be adjusted so that the specific subject included in the first preview screen exceeds the set ratio of the overall shape The mobile terminal comprising:
The method according to claim 6,
Wherein the control unit further displays, on the second preview screen, a guide for displaying a photographing direction in a specific subject direction included in the first preview screen when the photographing condition of the camera is changed to the panorama mode.
camera;
touch screen; And
A first image obtained by photographing the preview screen when a specific input is received, a second image captured by adjusting a photographing magnification of the camera, A third image edited in consideration of at least one of a shape and a position of a subject included in the second image and a user interface for selecting an image to be stored among the first image and the third image is displayed on the touch screen ;
.
9. The method of claim 8,
Wherein the control unit selects a part of the second image and generates the third image when a part of the shape of the subject included in the second image is not located at the center of the preview screen .
Displaying a first preview screen acquired through a camera in a photograph photographing mode;
Determining whether a specific subject among the at least one subject included in the first preview screen is included in a ratio of the overall shape or less;
Resetting the photographing condition of the camera when the specific subject is included in a predetermined ratio or less; And
Displaying a second preview screen acquired with the reset photographing condition;
And transmitting the control information to the mobile terminal.
Displaying a preview screen acquired through a camera in a photograph photographing mode;
When a specific input is received, editing is performed in consideration of at least one of a first image captured by the preview screen, a second image captured by adjusting a photographing magnification of the camera, and a shape and a position of a subject included in the second image Generating a third image; And
Displaying a user interface for selecting an image to be stored among the first image and the third image;
And transmitting the control information to the mobile terminal.

Images