KR20130094493A - Apparatus and method for outputting a image in a portable terminal - Google Patents

Abstract

PURPOSE: An image output apparatus and method for a portable terminal are provided to enable the independent photography of an object in a preview screen having multiple objects. CONSTITUTION: An image output apparatus for a portable terminal comprises a display unit (105), a camera unit (103), and a control unit (101). The camera unit generates an image frame by photographing an object and outputs the image frame. The control unit generates a preview image in a preview mode using the image frame and outputs the preview image to the display unit. The control unit enlarges one or more objects contained in the preview image and outputs the enlarged objects. [Reference numerals] (101) Control unit; (103) Camera unit; (105) Display unit; (107) Key input unit; (109) Memory unit; (111) RF unit; (113) Data processing unit; (115) Audio processing unit

Description

Device and method for outputting an image from a mobile terminal {APPARATUS AND METHOD FOR OUTPUTTING A IMAGE IN A PORTABLE TERMINAL}

The present invention relates to a portable terminal, and more particularly, to an apparatus and method for outputting an image in a portable terminal.

Recently, as the functions of the mobile terminal have advanced, functions beyond the wireless communication such as a camera function and a multimedia playback function have been added to the mobile terminal beyond simple wireless communication means. Such multimedia functions are being gradually expanded by improving display windows of mobile terminals and realizing high-speed communication. As a result, mobile terminals are used as ultimate portable entertainment systems. As such, for use as a portable entertainment system, a mobile terminal executes various applications.

Among these functions, the camera function is a function of capturing an image of a subject and storing an image. Such a camera function supports a preview function, and the preview function refers to a mode of displaying an image output from the camera unit through a display unit of a portable terminal for capturing and recording an image.

However, when the shooting request is input by the user on the displayed preview screen due to the preview function, the portable terminal stores an image including the preview screen as it is.

Therefore, when the user wants to photograph only some of the objects included in the preview screen, the user has to take a picture after adjusting the focus of the camera unit based on the object.

Therefore, there is a need for a method of photographing only an object in a preview screen including the object.

The present invention proposes an image capturing apparatus and method for photographing only an object in a preview screen including the object.

The present invention also proposes an image capturing apparatus and method for capturing a plurality of objects in the same size on a preview screen including a plurality of objects having different sizes.

According to an aspect of the present invention, there is provided an apparatus for outputting an image from a portable terminal, comprising: a display unit, a camera unit for capturing an image of a subject to generate an image frame, and outputting the image frame, and a preview mode. And generating a preview image using the image frame and outputting the preview image to the display unit, enlarging at least one object included in the preview image, and outputting the enlarged object on the preview screen. do.

According to the method of the present invention for solving the above problems, in the method for outputting an image in a mobile terminal, the image of the subject is captured to generate an image frame, and in the preview mode to generate and display a preview image using the image frame And enlarge at least one object included in the preview image, and display the enlarged object on the preview screen.

The present invention has the effect of photographing only the object separately in the preview screen including the object.

The present invention has the effect of photographing a plurality of objects in the same size on a preview screen including a plurality of objects having different sizes.

1 is a block diagram of a portable terminal according to an embodiment of the present invention;
2 is a flowchart for outputting an image in a mobile terminal according to an embodiment of the present disclosure;
3 is a flowchart for outputting an image in a manual mode in a mobile terminal according to an embodiment of the present disclosure;
4 is a flowchart for performing an object recognition function in a mobile terminal according to an embodiment of the present disclosure;
5 is a flowchart of enlarging an object image in a mobile terminal according to an embodiment of the present disclosure;
6 is a flowchart for outputting an image in an automatic mode in a mobile terminal according to an embodiment of the present disclosure;
7 is a screen for outputting an image in a manual mode according to an embodiment of the present invention;
8 is a screen for outputting a menu for shooting or recording an image according to an embodiment of the present invention;
9 is a screen for outputting an image in an automatic mode according to an embodiment of the present invention;
10 is a screen for enlarging an image according to an exemplary embodiment of the present disclosure;
11 is a screen for enlarging a part of an object according to an embodiment of the present invention;
12 is a screen for moving an object display window according to an embodiment of the present invention;
13 is a screen for outputting object related information according to an exemplary embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

A mobile terminal according to an embodiment of the present invention is an electronic device that can be easily carried, and is a video telephone, a mobile phone, a smart phone, an IMT-2000 (International Mobile Telecommunication 2000) terminal, a WCDMA terminal, a UMTS (Universal Mobile). Telecommunication Service (PDA) terminal, Personal Digital Assistant (PDA), Portable Multimedia Player (PMP), Digital Multimedia Broadcasting (DMB) terminal, E-Book, Portable Computer (Notebook, Tablet, etc.) or Digital Camera. have.

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

Referring to FIG. 1, the portable terminal includes a control unit 101, a camera unit 103, a display unit 105, a key input unit 107, a memory unit 109, an RF unit 111, a data processing unit 113, and audio. It includes a processing unit 115.

Referring to each component, the RF unit 111 performs a wireless communication function of the portable terminal. More specifically, the RF unit 111 includes a radio transmitter for up-converting and amplifying a frequency of a transmitted signal, and a radio receiver for low-noise amplifying a received signal and down-converting the frequency of the received signal. The data processing unit 113 includes a transmitter for encoding and modulating a transmitted signal and a receiver for demodulating and decoding the received signal. The data processing unit 113 may include a modem and a codec. The codec may include a data codec for processing packet data and an audio codec for processing an audio signal such as voice.

The audio processor 153 reproduces the received audio signal output from the data processor 113 through the speaker or transmits the transmission audio signal generated from the microphone to the data processor 113. The key input unit 107 is provided with keys for inputting numeric and character information and function keys for setting various functions, and the display unit 105 displays an image signal on a screen and is requested to be output from the controller 101. Display data.

If the display unit 105 is implemented as a touch display screen method such as capacitive or pressure sensitive, the key input unit 107 may include only a minimum key set in advance, and the display unit 105 may be configured as the key input unit 107. It can replace some of the keystroke functions.

The memory unit 109 includes a program memory and a data memory. Here, the program memory stores a booting and operating system (hereinafter referred to as an OS) for controlling general operations of the portable terminal, and the data memory stores various data generated during the operation of the portable terminal. .

The camera unit 103 captures an image of the subject to generate an image, and outputs the generated image to the controller 101. In particular, the camera unit 103 includes an image sensor unit (not shown) and an image signal processor (hereinafter, referred to as an 'ISP') (not shown).

Here, the image sensor generates an image input through the lens on a frame basis as an image frame and outputs the image to the image signal processor 203. When the object zoom mode is set, the image signal processor extracts at least one or more objects included in the image frame by performing an object recognition function on the image frame, and generates coordinate values for each of the extracted objects. The object recognition function refers to a function of recognizing an object from an image frame, and the object refers to a person, an object, or an animal. The image signal processor outputs coordinate values for each of the image frame and the object to the controller 101.

For example, the coordinate value may include a (X, Y) coordinate value for one of four vertices, a length of an x-axis segment of a rectangle, and a length of a y-axis segment of a quadrangle having a minimum size including an object. .

The control unit 101 controls the overall operation of the portable terminal. In particular, the controller 101 enlarges an image of an object included in the preview image in the preview mode, and outputs the enlarged object image in a separate window on the preview screen. Here, the preview mode refers to a mode of displaying an image output from the camera unit 103 through the display unit 105 of the portable terminal for capturing and recording an image.

In more detail, the controller 101 checks whether the object magnification mode is set in the preview mode. Here, the object enlargement mode refers to a mode in which an object included in the preview image is enlarged and output as a separate window on the preview screen. If the object enlargement mode is set, the controller 101 determines whether the object enlargement mode is a manual mode or an automatic mode.

If the object enlargement mode is the manual mode, the controller 101 enlarges the object image selected by the user in the preview image and outputs the enlarged object image to the preview screen.

In this case, the controller 101 generates a preview image for the preview mode by using the image frame output from the camera unit 103 and outputs the preview image generated through the display unit 105. If one of at least one object included in the preview image is selected by the user, the controller 101 enlarges an image of the selected object and outputs the enlarged object image on the preview screen. In more detail, the controller 101 crops an image including an object (hereinafter, referred to as an “object image”) in the preview image by using coordinate values of the selected object. The controller 101 compares the size of the object image with a predetermined size to determine the magnification of the object image, and enlarges the object image based on the determined magnification.

If the object enlargement mode is the automatic mode, the controller 101 enlarges the object image automatically extracted from the preview image, and outputs the enlarged object image to the preview screen.

In this case, the controller 101 generates a preview image for the preview mode by using the image frame output from the camera unit 103 and outputs the preview image generated through the display unit 105. The controller 101 automatically enlarges an image of at least one object included in the preview image and outputs the enlarged object image on the preview screen. In more detail, the controller 101 crops images (hereinafter, referred to as "object images") that individually include all objects in the preview image by using coordinate values of all objects. The controller 101 determines magnifications corresponding to the object images by comparing the sizes of the object images with a predetermined size, and enlarges the object images based on the determined magnifications.

Subsequently, when a shooting or recording of the enlarged object image is requested by the user, the controller 101 stores the enlarged object image in the memory unit 109 or enlarges the object to generate a video for the enlarged object image. The image may be stored in the memory unit 109.

If the recording is requested by the user, the controller 101 may store a moving image of the moving object by tracking the object requested to be recorded on the preview screen.

If the stored object image is a person image, the controller 101 may perform various operations using the stored object image.

For example, when the person image registered in the phone book is compared with the stored object image, and if there is a person image that matches the stored object image among the registered person images, the matched person image is stored. Can be changed to an object image. As another example, when the stored object images are at least two person images, the controller 101 searches for phone numbers for the stored object images using the person image registered in the charge book, and corresponds to the retrieved phone numbers. The IDs of the messenger application may be searched, and the stored object images corresponding to the searched IDs may be transmitted.

As another example, when the stored object images are at least two person images, the controller 101 searches for phone numbers for the stored object images using the person image registered in the charge book, and corresponds to the retrieved phone numbers. The IDs of the messenger application may be searched and a group chat room may be established using the searched IDs and the user IDs of the messenger application.

On the other hand, the camera unit 103 may output the image frame to the control unit 101 with YUV data or the image frame with the YUV data and JPEG data. For example, the capacity of YUV data may be 8 Mega Bytes.

When the image frame is output as YUV data and JPEG data, the controller 101 enlarges a specific object using the image frame which is YUV data and calculates a recognition rate for the enlarged object. If the recognition rate is equal to or less than a predetermined reference value, the controller 101 may decode an image frame which is JPEG data, enlarge a specific object by using the encoded image frame, and output an image of the enlarged object. .

2 is a flowchart illustrating an image output from a portable terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 2, in step 201, the portable terminal executes the preview mode and then proceeds to step 203. Here, the preview mode refers to a mode of displaying an image output from the camera unit 103 through the display unit 105 of the portable terminal for capturing and recording an image.

In operation 203, the portable terminal determines whether the object magnification mode is set. Here, the object enlargement mode refers to a mode in which an object included in the preview image is enlarged and enlarged in a separate window on the preview screen. If the object magnification mode is set, the portable terminal proceeds to step 205, and if not, repeatedly performs step 203.

If the process proceeds to step 205, the portable terminal checks whether the object magnification mode is the manual mode or not. If the object magnification mode is the manual mode, the mobile terminal proceeds to step 207; otherwise, to step 209.

If the process proceeds to step 207, the portable terminal enlarges the object image selected by the user in the preview image and outputs the enlarged object image to the preview screen.

3 is a flowchart illustrating an image output in a manual mode in a portable terminal according to an exemplary embodiment of the present invention. Now, step 207 will be described with reference to FIG. 3.

Referring to FIG. 3, in step 301, the mobile terminal generates an image input as an image frame through the lens in units of frames, and then proceeds to step 303. In operation 303, the mobile terminal generates coordinate values for the object by performing an object recognition function on the image frame, and then proceeds to operation 305. Here, the object recognition function refers to a function of extracting an object from an image frame, and the object refers to a person, an object, or an animal.

Referring to step 303 in more detail with reference to Figure 4, in step 401, the mobile terminal performs the object recognition function by performing the object recognition function on the image frame, and then proceeds to step 403. In operation 403, the portable terminal performs an object recognition function, extracts an object from an image frame, and then proceeds to operation 405.

In operation 405, the portable terminal generates coordinate values for each of the extracted objects. For example, the coordinate value may include a (X, Y) coordinate value for one of four vertices in the rectangle having the minimum size including an object, the length of the X axis line segment and the length of the Y axis segment of the rectangle. .

In operation 305, the mobile terminal generates a preview image for the preview mode by using the image frame, displays the generated preview image, and proceeds to step 307. In operation 307, the portable terminal determines whether any one of at least one object included in the preview image is selected by the user. If the object is selected, the portable terminal proceeds to step 309, otherwise, proceeds to step 301.

If the process proceeds to step 309, the portable terminal enlarges an image of the selected object and then proceeds to step 311.

Referring to step 309 in more detail with reference to Figure 5, in step 501, the mobile terminal extracts the object image from the preview image using the coordinate value for the selected object, and proceeds to step 503. In operation 503, the controller 101 determines the enlargement ratio of the object image by comparing the size of the extracted object image with a predetermined size, and then proceeds to operation 505. In operation 505, the portable terminal enlarges the object image based on the determined magnification.

In operation 311, the portable terminal displays the enlarged object image on the preview screen in a separate window, and then proceeds to operation 313. In operation 313, the portable terminal determines whether photographing of the enlarged object image is requested by the user. If photographing is requested, the portable terminal proceeds to step 315, and if not, proceeds to step 317.

If the process proceeds to step 315, the portable terminal stores the enlarged object image in the memory unit 109 and then proceeds to step 301 to generate a next image frame. If the process proceeds to step 317, the portable terminal determines whether recording of the enlarged object image is requested by the user.

If the recording is requested, the portable terminal proceeds to step 319, otherwise, the mobile terminal proceeds to step 301 to generate the next image frame. If the process proceeds to step 319, the mobile terminal stores the enlarged object image in the memory unit 109 to generate a moving image of the enlarged object image and then proceeds to step 301 to generate a next image frame. .

If the process proceeds to step 209, the portable terminal determines whether the object enlargement mode is an automatic mode or not. If the object magnification mode is the automatic mode, the portable terminal proceeds to step 211, otherwise, proceeds to step 205. If the process proceeds to step 211, the portable terminal enlarges the object image automatically extracted from the preview image and outputs the enlarged object image on the preview screen.

6 is a flowchart illustrating an image output in an automatic mode in a mobile terminal according to an exemplary embodiment of the present invention. Now, with reference to FIG. 6, step 211 will be described.

Referring to FIG. 6, in step 601, the portable terminal generates an image input image through the lens in units of frames, and proceeds to step 603. In operation 603, the portable terminal generates an coordinate value of the object by performing an object recognition function on the image frame, and then proceeds to operation 605. At this time, the portable terminal performs an object recognition function by performing an object recognition function on the image frame to extract an object from the image frame, and generates coordinate values for each extracted object.

In operation 605, the mobile terminal generates a preview image for the preview mode using the image frame, displays the generated preview image, and then proceeds to step 607. In operation 607, the portable terminal automatically enlarges at least one or more object images included in the preview image, and then proceeds to operation 609. In this case, the mobile terminal extracts object images including each of the objects from the preview image individually using coordinate values of the generated objects, and compares the size of each of the extracted object images with a predetermined size. Determine magnifications corresponding to the images, and magnify object images based on the determined magnifications, respectively.

In operation 609, the portable terminal displays the enlarged object image on the preview screen in a separate window, and then proceeds to operation 611. In operation 611, the portable terminal determines whether photographing of the enlarged object image is requested by the user. If photographing is requested, the mobile terminal proceeds to step 613, otherwise, the mobile terminal proceeds to step 615.

If the mobile terminal proceeds to step 613, the portable terminal stores the enlarged object image in the memory unit 109 and then proceeds to step 601 to generate a next image frame. If the process proceeds to step 615, the portable terminal determines whether recording of the enlarged object image is requested by the user.

If recording is requested, the portable terminal proceeds to step 617, otherwise, proceeds to step 601 to generate the next image frame. If the mobile terminal proceeds to step 617, the mobile terminal stores the enlarged object image in the memory unit 109 to generate a moving image of the enlarged object image, and then proceeds to step 601 to generate the next image frame. .

7 is a screen for outputting an image in a manual mode according to an embodiment of the present invention.

Referring to FIG. 7, a screen 701 represents a preview screen, and the preview screen includes a first person 703, a second person 705, and an animal 707.

When the second person 705 is selected by the user on the screen 701, the mobile terminal enlarges the object image including the second person 705 and displays the object image enlarged on the screen 701 in a separate window, such as the screen 709. (Hereinafter referred to as an object display window) 711.

On the other hand, when the second person 705 and the animal 707 are selected by the user on the screen 701, the mobile terminal is the object image and the animal 707 including the second person 705 as shown in the screen 711. ) And enlarge the object images, respectively, and display the enlarged object images on the screen 701 as individual windows 715 and 717, as shown in screen 713.

Here, the portable terminal may improve the visibility of the preview screen by adjusting the transparency of the object display windows 711, 715, and 715 including the enlarged object image.

8 is a screen outputting a menu for capturing or recording an image according to an exemplary embodiment of the present invention.

Referring to FIG. 8, a screen 801 is a screen displaying an enlarged object image on a preview screen.

When the object image enlarged by the user is touched on the screen 801, the portable terminal may display the menu window 805 like the screen 803. Here, the menu window 805 includes shooting, recording, and closing menus, and shooting is a menu for photographing an enlarged object image, recording is a menu for recording an enlarged image, and close is for closing the menu window 805. Menu.

When any one of the menus included in the menu window 805 is selected, the portable terminal performs an operation corresponding to the selected menu. For example, when the photographing menu is selected by the user, the portable terminal can capture an enlarged object image.

In FIG. 8, although the enlarged object image is captured or recorded through the menu window 805, the enlarged object image may be captured or recorded. For example, when the window on which the enlarged object image is output by the user is touched once, the portable terminal may capture the enlarged object image. As another example, when the object display window is touched twice in succession by the user, the portable terminal may record an enlarged object image.

9 is a screen for outputting an image in an automatic mode according to an embodiment of the present invention.

Referring to FIG. 9, a screen 901 represents a preview screen, and the preview screen includes a first person 903, a second person 905, and an animal 907.

On the screen 901, the portable terminal enlarges the object image including the first person 903, the second person 905, and the animal 907, respectively, and displays the object images enlarged on the screen 901 as individual windows, such as the screen 909. 911, 913, and 915, respectively.

10 is a screen for enlarging an image according to an exemplary embodiment.

Referring to FIG. 10, the screen 1001 includes a first object display window 10003.

When the user is requested to enlarge the first object display window 1007 on the screen 1001, the mobile terminal enlarges the first object display window 1007 by the arrow 1011, as shown in the screen 1003, to display the second object. The display window 1009 can be displayed.

On the contrary, when the user requests the reduction of the first object display window 1017, the portable terminal may reduce the first object display window 1007.

11 is a screen for enlarging a part of an object according to an exemplary embodiment.

Referring to FIG. 11, a screen 1101 includes a third object display window 1103.

In the screen 1101, when the user is requested to enlarge a part of an object included in the third object display window 1103, for example, the face part 1105 of the person, the mobile terminal requests the enlargement as in the screen 1107. The fourth object display window 1109 including only a part of the object may be displayed.

On the contrary, when the user requests the reduction of an object included in the third object display window 1103, the portable terminal may reduce the entire object.

12 is a screen for moving an object display window according to an exemplary embodiment of the present invention.

Referring to FIG. 12, the screen 1201 includes an object display window 1203.

When the object display window 1207 is requested to be moved by the user on the screen 1201, the mobile terminal moves the object display window 1207 by the direction of the arrow 1211 to move the object display window 1209, as in the screen 1205. Should be displayed.

13 is a screen for outputting object related information according to an exemplary embodiment of the present invention.

The screen 1301 includes an object display window 1303 and an information display window 1305 for displaying related information about a person included in the object display window.

When a person is included in the object display window 1303, the mobile terminal stores a face image of the person, retrieves the person related information related to the stored face image by connecting to the Internet through a wireless Internet network, and displays the information display window. In operation 1305, the related person information may be displayed.

For example, if the person included in the object display window 1303 is Kim Yu-na, the mobile terminal connects to Twitter, which provides a social network service, searches for the Kim Yu-na player's water address, and then provides a web search service. Access to retrieve the personal information about Kim Yu-na, and display the Twitter address and personal information of Kim Yu-na in the information display window 1305.

Through this process, the present invention has an effect of photographing only objects separately in a preview screen including objects, and photographing a plurality of objects in the same size in a preview screen including a plurality of objects having different sizes.

In the above description of the present invention, a specific embodiment such as a mobile communication terminal has been described, but various modifications may be made without departing from the scope of the present invention. Accordingly, the scope of the patent of the present invention is not limited by the above-described embodiments, and it will be obvious that the patent scope covers not only the claims but also the equivalents.

101: control unit 103: camera unit
105: display unit 107: key input unit
109: memory section 111: RF section
113: data processor 115: audio processor

Claims (20)

In the device for outputting an image from a mobile terminal,
A display section,
A camera unit for capturing an image of a subject to generate an image frame and outputting the image frame;
Generating a preview image by using the image frame in the preview mode, outputting the preview image to the display unit, enlarging at least one object included in the preview image, and outputting the enlarged object on the preview screen; Characterized in that the image output device.
The method of claim 1,
The controller outputs an image of the enlarged object when photographing the enlarged object is requested.
The method of claim 2,
When the stored image is a person image, the controller compares the person images registered in the phone book with the stored image, and as a result of the comparison, there is a person image matching the stored image among the registered person images. The image output device, characterized in that for changing the matching person image to the stored image.
The method of claim 1,
The controller outputs an image of the enlarged object to generate a video when recording of the enlarged object is requested.
The method of claim 1,
If the object is a person, the controller is configured to search for related information of the person through the Internet and to output the searched person related information on the preview screen.
The method of claim 1,
When the object enlargement mode is set in the preview mode, the controller determines whether the object enlargement mode is a manual mode or an automatic mode, and as a result of the checking, when the object enlargement mode is the manual mode, When one of at least one object included in the preview image is selected, the selected object is extracted from the preview image, the extracted object is enlarged to a predetermined size, and the enlarged object is output on the preview screen. An image output device, characterized in that.
The method according to claim 6,
The object enlargement mode is an image output device, characterized in that to enlarge the object included in the preview image to output a separate window on the preview screen.
The method according to claim 6,
The controller is configured to automatically extract at least one object from the preview image, enlarge the extracted object to a predetermined size when the object enlargement mode is the automatic mode, and enlarge the object on the preview screen. The image output device, characterized in that for outputting.
The method of claim 1,
When the object zoom mode is set in the preview mode, the camera unit determines a coordinate value of at least one object included in the image frame by performing an object recognition function on the image frame. And output a coordinate value to the control unit.
The method of claim 1,
When the object enlargement mode is set in the preview mode, the controller determines a coordinate value of at least one object included in the image frame by performing an object recognition function on the image frame, and uses the coordinate value. And extracting the object from the preview image.
In the method for outputting the image in the mobile terminal,
Generating an image frame by capturing an image of a subject;
Generating and displaying a preview image using the image frame in a preview mode;
Enlarging at least one object included in the preview image, and displaying the enlarged object on a preview screen.
12. The method of claim 11,
If the photographing of the enlarged object is requested, further comprising: storing an image of the enlarged object.
The method of claim 12,
If the stored image is a person image, comparing the stored image with the person images registered in the phone book;
And comparing the matched person image with the stored image when there is a person image that matches the stored image among the registered person images.
12. The method of claim 11,
If recording of the enlarged object is requested, further comprising storing an image of the enlarged object to generate a video.
12. The method of claim 11,
If the object is a person, searching for the related information of the person through the Internet, and displaying the retrieved person related information on the preview screen.
12. The method of claim 11,
The outputting of the enlarged object may include determining whether the object enlargement mode is a manual mode or an automatic mode when the object enlargement mode is set in the preview mode;
When the object magnification mode is the manual mode, when one of at least one object included in the preview image is selected by a user, extracting the selected object from the preview image;
And enlarging the extracted object to a predetermined size, and displaying the enlarged object on the preview screen.
17. The method of claim 16,
The object enlargement mode is an image output method, characterized in that to enlarge the object included in the preview image to output to a separate window on the preview screen.
17. The method of claim 16,
Automatically extracting at least one object from the preview image when the object zoom mode is the automatic mode;
And enlarging the extracted object to a predetermined size, and displaying the enlarged object on the preview screen.
12. The method of claim 11,
The generating of the image frame may include determining a coordinate value of at least one object included in the image frame by performing an object recognition function on the image frame when the object magnification mode is set in the preview mode. Image output method comprising a.
12. The method of claim 11,
The outputting of the enlarged object may include determining an coordinate value of at least one object included in the image frame by performing an object recognition function on the image frame when the object enlargement mode is set in the preview mode. Process,
Extracting the object from the preview image by using the coordinate value.

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