KR100605996B1 - Control method of the portable terminal having a camera function - Google Patents

Abstract

The present invention relates to a portable terminal, and more particularly, to a control method of a portable terminal having a camera function for changing a camera function and a shooting setting state by inputting a corresponding shortcut key according to each function when using a camera function. will be. To this end, the present invention provides a method of controlling a portable terminal having a camera function, the method comprising: switching to a shooting function setting mode corresponding to the shortcut key when a predetermined shortcut key is input in a preview mode for displaying an image input to the camera; The method may include changing a shooting setting state whenever the shortcut key is input in a shooting function setting mode, and shooting a video input to the camera according to the changed shooting setting state.

Handheld Terminal, Review Mode, Camera Mode, Shortcut Keys

Description

CONTROL METHOD OF THE PORTABLE TERMINAL HAVING A CAMERA FUNCTION}             

1 is a view showing the configuration of a portable terminal according to an embodiment of the present invention.

2 is a flowchart illustrating a control method of a portable terminal having a camera function according to an embodiment of the present invention.

3A and 3B are flowcharts illustrating an operation process of a function setting mode of a camera mode according to a shortcut key in FIG. 2.

*** Explanation of symbols for main parts of drawing ***

10: control unit 21: RF unit

23: data processor 25: audio processor

27: keypad 29: memory

50: camera 60: signal processing unit

70: image processing unit 80: display unit

ANT: antenna MIC: microphone

SPK: Speaker

The present invention relates to a portable terminal, and more particularly, to a control method of a portable terminal having a camera function for changing a camera function and a shooting setting state by inputting a corresponding shortcut key according to each function when using a camera function. will be.

Recently, the portable terminal has developed from a simple support function to only one main function. Among them, the camera built in the portable terminal or the external camera mounted on the portable terminal easily converts the image that the user wants to take anytime and anywhere through a portable terminal that can be always carried.

When using the camera mode of the camera function of the conventional portable terminal, the user enters the camera menu by operating a key of the keypad and adjusts the photographed image such as image size, image quality and contrast, zoom in and zoom out, and photograph the subject. In this case, in order to adjust the photographed image, a menu key provided on a keypad is input, and an image is captured at the image size and image quality selected through sub-menus of respective menus displayed by the menu key. Accordingly, the conventional portable terminal having a camera function captures an image in a preset shooting setting state when capturing an image.

However, in the camera mode of a conventional portable terminal, a function setting method is to press a menu key in preview mode and then use a cursor key to change a function setting among menu functions provided by the menu key. After moving to select the menu by pressing the OK key, the user must change the setting state in the submenu of the selected menu, there was a problem for the user when using the camera function. In addition, there is a problem that a delay occurs in time to shoot a subject after operating the camera function. Thus, there is a problem in that the user can not shoot a subject to be captured in a desired time in a short time, and even if shooting, there is a problem that the user cannot shoot in the desired image.

Accordingly, the present invention has been made to solve the above problems, and provides a function setting method of the portable terminal to change the camera function and the shooting setting state by inputting a corresponding shortcut key according to each function when using the camera function. Has its purpose.

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The present invention for achieving the above object in the control method of a portable terminal having a camera function, when a predetermined shortcut key is input in the preview mode for displaying an image input to the camera to the shooting function setting mode corresponding to the shortcut key And a step of changing a shooting setting state each time the shortcut key is input in the shooting function setting mode, and photographing an image input to the camera according to the changed shooting setting state. do.

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

It should be noted that in the following description, only parts necessary for understanding the operation and operation according to the present invention will be described, and descriptions of other parts will be omitted so as not to distract from the gist of the present invention.

In the following description specific details of the functions operated in correspondence with the keystrokes of the keypad are presented to provide a more general understanding of the invention. It will be apparent to those skilled in the art that the present invention can be easily implemented by these modifications.

In the following description, the shortcut key mode is a mode for setting a function through a shortcut key in a camera mode, and means a mode that allows a subject to be photographed by changing a setting state of a function supported in the camera mode through a single key input. .

1 is a view showing the configuration of a portable terminal according to an embodiment of the present invention.

Referring to FIG. 1, the RF unit 21 performs communication of a portable terminal. The RF unit 21 includes an RF transmitter for upconverting and amplifying a frequency of a transmitted signal, and an RF receiver for low noise amplifying and downconverting a received signal.

The data processor 23 includes a transmitter for encoding and modulating the transmitted signal and a receiver for demodulating and decoding the received signal. That is, the data processor 23 may include a modem and a codec.

The audio processor 23 plays a function of reproducing the received audio signal output from the data processor 23 or transmitting a transmission audio signal generated from the microphone MIC to the data processor 23. The audio processor 23 converts audio data from the data received from the data processor 22 into an audible sound through a speaker SPK, and outputs the audio signal input from the microphone MIC to the data processor 22.

The keypad 27 has keys for inputting numeric and text information and function keys for setting various functions. In addition, the keypad 27 may include a numeric key, a side key (up / down), a function setting display key, a direction key, and the like according to an embodiment of the present invention.

The memory 29 may be composed of program memory and data memories. The program memory stores programs for controlling general operations of the portable terminal. In addition, the program memory stores whether a shortcut key is set according to an embodiment of the present invention. In addition, the program memory stores the overall program for changing the shooting mode according to the shortcut key mode in the camera mode according to an embodiment of the present invention. In addition, the data memory temporarily stores data generated during the execution of the programs.

The controller 10 performs a function of controlling the overall operation of the portable terminal. In addition, the controller 10 may include the data processor 23. In addition, the control unit 10 allows to set the shortcut key mode through the keypad 27 in the camera mode by the shortcut key according to an embodiment of the present invention. In addition, the camera mode controls the overall operation for setting a function supported by the camera according to the mode of the input shortcut key.

The camera 50 photographs image data and includes a camera sensor that converts the photographed optical signal into an electrical signal. It is assumed here that the camera sensor is a CCD sensor.

The signal processor 60 converts the video signal output from the camera 50 into an image signal. The signal processor 60 may be implemented with a digital signal processor (DSP).

The image processor 70 performs a function of generating screen data for displaying an image signal output from the signal processor 60. The image processor 70 transmits the image signal received under the control of the controller 10 or the image data captured by the camera 50 in accordance with the standard of the display unit 80, and compresses and extends the image data.

The display unit 80 displays messages generated during program execution under the control of the controller 10. In addition, the display unit 80 displays an image signal output from the image processing unit 70 in a camera shooting mode. In addition, the display unit 80 displays an image according to a function setting mode that can be supported in the camera mode according to the embodiment of the present invention. In addition, when the function setting display key is input under the control of the controller 10, the display unit 80 displays a function setting mode for each shortcut key in a tabular form. At this time, after the function setting display key is input, the function setting mode corresponding to the shortcut key is displayed for a predetermined time and then disappears. Also, the function setting mode corresponding to the shortcut key may be displayed until the function setting display key is input again. The display unit 80 may use an LCD. In this case, the display unit 80 may include an LCD controller, a memory capable of storing image data, and an LCD display device. In this case, when the LCD is implemented in a touch screen manner, the keypad 27 and the LCD may be input units.

Referring to FIG. 1, when a user performs a dialing operation through a keypad 27 and sets a dialing mode, the controller 10 detects the operation and the data processor 23. After processing the dial information received through the RF unit 21 converts the RF signal and outputs. Thereafter, when the other subscriber generates the response signal, the counter subscriber detects it through the RF unit 21 and the data processor 23. Thereafter, a user establishes a voice call path through the audio processor 25 to perform a communication function. In addition, in the incoming mode, the controller 10 detects the incoming mode through the data processor 23 and generates a ring signal through the audio processor 25. Thereafter, when the user responds, the controller 10 detects this, and a voice call path is formed through the audio processor 25 to perform a communication function. In the outgoing and incoming modes, voice communication is described as an example, but a data communication function for communicating packet data and image data in addition to the voice communication may be performed. In addition, when performing the standby mode or text communication, the controller 10 displays the text data processed by the data processor 23 on the display 80.

Also, the portable terminal may perform an operation of capturing a person or an environment and displaying or transmitting the image on a video screen. First, the camera 50 may be mounted on a portable telephone or connected to a predetermined location outside. That is, the camera 50 may be an external camera or an internal camera. The camera 50 may use a charge coupled device (CCD) sensor. The image captured by the camera 50 is converted into an electrical signal by an internal CCD sensor and then applied to the signal processor 60. Then, the signal processor 60 converts the image signal into digital image data and outputs the image signal to the image processor 70.

When the portable terminal having the camera function as described above processes the change of the shooting function setting mode in the shortcut mode of the camera mode, the controller 10 checks whether the key data input through the keypad is the camera mode. In the camera mode, the controller 10 displays an image captured by the camera 50 on the display unit 80 in the review mode. At this time, if the shortcut key mode is set, the controller 10 changes the image displayed on the display unit 80 according to the shooting function setting mode corresponding to the shortcut key input through the keypad 27.

2 is a flowchart illustrating a control method of a portable terminal having a camera function according to an embodiment of the present invention.

Referring to FIG. 2, first, in step 211, the controller 10 determines whether a side key is input for a predetermined time in step 213 in a standby mode waiting for a call and key input. In this case, the predetermined time is assumed to be input continuously for 2 seconds or more.

As a result of the determination, when the side key is input, in step 215, the controller 10 determines whether the folder is open and performs steps 217 and 219 according to the determination result.

In step 217, it is determined that the folder is in a closed state, and self-photographing is performed. In step 219, it is determined that the folder is in an open state, and a review mode is executed.

However, if it is determined that the side key is not input, in step 221, the controller 10 opens a folder and manipulates the key to execute the review mode. In this case, steps 215 to 219 correspond to the case of the folder-type portable terminal. In the case of the bar-type portable terminal, if the side key is input for 2 seconds or more, the review mode is executed. If the side key is continuously input even while the review mode is executed, the review mode switches to self-shooting.

Thereafter, when the review mode is executed, the controller 10 proceeds to step 223 to determine whether the shortcut key mode is set. It will be appreciated that the process of determining whether the shortcut key mode is set is a step related to the present invention as a step of checking whether the shooting function setting mode of the present invention will be described later.

Therefore, in order to operate in the shooting function setting mode through the shortcut key in the camera mode, first, the shortcut key mode should be set. In this case, the shortcut key mode may be easily set / released by operating a key of the keypad 27.

Then, the controller 10 determines whether a shortcut key is input in the review mode, and when the shortcut key is input, the controller 10 performs a shooting function setting mode according to the shortcut key. The shooting function setting mode will be described later in detail.

Thereafter, in step 229, the controller 10 repeatedly performs the function mode of the camera mode according to the shortcut key until the end key is input or the folder of the folder type portable terminal is closed.

An operation process of the shooting function setting mode according to the shortcut key of step 227 will be described later with reference to FIGS. 3A and 3B.

3A and 3B are flowcharts illustrating an operation process of a function setting mode of a camera mode according to a shortcut key in FIG. 2. As the shortcut key, a number key, a side key, and a direction key of 0 to 9 will be described as an example.

Referring to FIG. 3, in step 311, when the controller 10 detects an input shortcut key and detects a number key '1', the controller 10 proceeds to step 313 to change the shortcut key to a first shooting setting mode (eg, a preview mode). Recognize a key to switch from the camera purity mode to the camcorder purity mode, or from the camcorder purity mode to the camera purity mode. Here, the camera purity mode means a still image mode, and the camcorder purity mode means a video mode. That is, when the shooting function setting mode corresponding to the shortcut key is the preview change mode, the controller 10 changes the camcorder review mode-> camera review mode-> camcorder review mode every time the numeric key '1' is input.

In addition, in step 311, if the input shortcut key is detected as the numeric key '2', the controller 10 recognizes the shortcut key as a key for changing the image size and adjusts the image size. In this case, the image size is switched to, for example, the full screen of VGA and the actual VGA screen, QVGA and QQVGA. That is, when the shooting function setting mode corresponding to the shortcut key is the image size changing mode, the controller 10 is full VGA-> VGA real screen-> QVGA-> QQVGA-> VGA full screen whenever the numeric key '2' is input. Change the image size in order.

In addition, in step 311, if the input shortcut key is detected as the numeric key '3', the controller 10 recognizes the shortcut key as a key for changing the image quality of the image and adjusts the image quality. In this case, the image quality is changed from super fine having the highest image quality to fine, normal, and economic of the excellent image quality step by step. That is, if the shooting function setting mode corresponding to the shortcut key is the image quality change mode, the controller 10 sets the image quality of the image in the order of Super Fine-> Pine-> Normal-> Economic-> Super Fine whenever the numeric key '3' is input. To change.

In addition, in step 311, when the input shortcut key is detected as the numeric key '4', the controller 10 recognizes the shortcut key as a key for changing the second shooting setting mode (eg, shooting mode) and adjusts the shooting mode. do. In this case, the photographing mode is switched to a normal shot of a general photographing, a multi shot of a multi photographing, and a night shot of a night time photographing. That is, when the shooting function setting mode corresponding to the shortcut key is the shooting mode change mode, the controller 10 switches the shooting mode in the order of normal shot-> multi shot-> night shot-> normal shot whenever the numeric key '4' is input. Change it. Here, the multi-shot function can shoot 6, 9, 15 in succession according to the user's setting.

In addition, in step 311, if the input shortcut key is detected as the numeric key '5', the controller 10 recognizes the shortcut key as a key for changing the video effect and adjusts the video effect. In this case, when the photographing function setting mode corresponding to the shortcut key is a video effect changing mode, the controller 10 changes an effect to be applied to an image whenever the numeric key '5' is input. For example, the image may have a video effect function in green tone or brown tone, and a function of expressing the image only in sound / embossment. The image effect may be set before shooting, and provided as a function to give an effect to the captured image.

In addition, in step 311, if the input shortcut key is detected as the numeric key '6', the controller 10 proceeds to step 323 and recognizes the shortcut key as a key for changing the noise of the image by correcting the noise of the camera. Adjust the noise. At this time, the noise change is changed to apply anti-banding noise and anti-band. That is, when the shooting function setting mode corresponding to the shortcut key is the noise change mode of the image, the controller 10 applies anti-banding noise whenever the number key '6' is input-> anti-banding noise-free-> anti-banding noise-free. Change it.

In addition, in step 311, when the input shortcut key is detected as the numeric key '7', the controller 10 recognizes the shortcut key as a key for changing the frame setting and provides a predetermined frame. In this case, when the photographing function setting mode corresponding to the shortcut key is the frame setting change mode, the controller 10 sequentially changes the frame setting of the image whenever the numeric key '7' is input.

In operation 311, when the input shortcut key is detected as a numeric key '8', the controller 10 recognizes the shortcut key as a key for changing a timer setting and adjusts a self timer. At this time, the timer setting is changed to self timer on and self timer off. That is, if the shooting function setting mode corresponding to the shortcut key is a timer setting change mode, the controller 10 changes the timer setting in the order of self-timer on-> self-timer off-> self-timer on whenever the numeric key '8' is input. do. Here, the self-timer may automatically take a picture after a set time elapses during self-shooting.

In addition, in step 311, when the input shortcut key is detected as the numeric key '9', the controller 10 recognizes the shortcut key as a key for changing the album setting and provides a photo album and a video album in step 329. That is, when the shooting function setting mode corresponding to the shortcut key is the album setting changing mode, the controller 10 changes the album setting in the order of photo album-> video album-> photo album whenever the number key '9' is input. Here, the album setting mode is a mode for displaying a photo album of a plurality of still images and a video album of a plurality of moving images.

In addition, in step 311, when the input shortcut key is detected as the numeric key '0', the controller 10 recognizes the shortcut key as a key for changing the flash setting and adjusts the flash. In this case, the flash setting may be flash manual and flash automatic. That is, when the photographing function setting mode corresponding to the shortcut key is the flash setting changing mode, the controller 10 changes the flash manual-> flash automatic order whenever the numeric key '0' is input.

In addition, in step 311, when the input shortcut key is sensed as the 'side key', the controller 10 recognizes the shortcut key as a key for changing the image direction setting and adjusts the direction setting of the image. At this time, the image direction is reversed upside down image and left and right reversed image. That is, if the photographing function setting mode corresponding to the shortcut key is the image direction setting change mode, the controller 10 performs image upside down according to the input of the 'key' of the 'side key', and inputs the 'hockey' of the 'side key'. Perform image left and right inversion accordingly.

In addition, in step 311, when the input shortcut key is sensed as a 'direction key', the controller 10 recognizes the direction key as a key for changing the image contrast / zoom setting and adjusts the image contrast / zoom in step 335. That is, if the photographing function setting mode corresponding to the direction key is the contrast / zoom setting change mode of the image, the controller 10 adjusts the brightness level (brightness) of the image according to the 'right key' input of the 'direction key' in a predetermined step. According to the input of the 'left key' of the 'direction key', the degree of brightness (darkness) of the image is adjusted in a predetermined step. In addition, the image is zoomed in according to the 'key' input of the 'direction key', and the image is zoomed out according to the 'hockey' input of the 'direction key'. Here, in the function setting mode as described above, when the 'function setting display key' is input under the control of the controller 10, the function setting mode for each shortcut key is displayed in a table form. Thus, the user recognizes the corresponding shortcut key of the function setting state to be converted.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by the equivalents of the claims.

As described in detail above, the present invention has an effect of easily changing a shooting setting state related to camera shooting through a shortcut key for a function setting mode set for shooting a subject in a camera mode using a portable terminal.

In addition, by simply changing the shooting setting state of the camera through a shortcut key, there is an effect of increasing the convenience of the user, and to set the image to be taken to a desired shooting setting state so that the shooting can be performed in a short time.

Claims (23)

In the control method of a portable terminal having a camera function, Switching to a shooting function setting mode corresponding to the shortcut key when a predetermined shortcut key is input in the preview mode for displaying an image input to the camera; Changing a shooting setting state each time the shortcut key is input in the shooting function setting mode; And photographing an image input to the camera according to the changed photographing setting state. According to claim 1, The method as claimed in claim 1, further comprising the step of presetting a shortcut mode for the shortcut function. According to claim 1, The shortcut key may be any one of a numeric key, a direction key and a side key provided in a keypad of the portable terminal. delete delete The method of claim 1, wherein the conversion process Determining whether to set a shortcut key mode when the predetermined shortcut key is input; And if the shortcut key mode is set, switching to a shooting function setting mode corresponding to the input shortcut key. The method of claim 1, wherein the changing process The photographing setting state is sequentially changed whenever the shortcut key is input. The method of claim 1, wherein the changing process When the shooting function setting mode corresponding to the input shortcut key is a preview change mode, whenever the shortcut key is input, the camera function changes from the camera review mode to the camcorder purity mode or from the camcorder purity mode to the camera purity mode. Way. The method of claim 1, wherein the changing process And the image size is changed every time the shortcut key is input if the shooting function setting mode corresponding to the input shortcut key is an image size change mode. 10. The method as claimed in claim 9, wherein the image size is a VGA full screen, a VGA real screen, and QVGA and QQVGA. The method of claim 1, wherein the changing process And the image quality of the image is changed whenever the shortcut key is input if the shooting function setting mode corresponding to the input shortcut key is an image quality change mode. The method of claim 11, wherein The image quality may be any one of super fine, super fine, fine, normal, and economic quality. The method of claim 1, wherein the changing process And if the shooting function setting mode corresponding to the input shortcut key is a shooting mode change mode, the shooting mode is changed every time the shortcut key is input. The method of claim 13, The photographing mode may be any one of a normal shot of a general shot, a multi shot of a multi shot, and a night shot of a night time shot. The method of claim 1, wherein the changing process And when the shooting function setting mode corresponding to the input shortcut key is a video effect change mode, an effect to be applied to the image whenever the shortcut key is input. The method of claim 1, wherein the changing process When the shooting function setting mode corresponding to the input shortcut key is a noise change mode of the image, the change from applying anti banding noise to applying anti banding noise or applying anti banding noise to applying anti banding noise whenever the shortcut key is input. The method characterized in that. The method of claim 1, wherein the changing process And the frame setting of the image is changed whenever the shortcut key is input if the shooting function setting mode corresponding to the input shortcut key is a frame setting change mode. The method of claim 1, wherein the changing process When the shooting function setting mode corresponding to the input shortcut key is a timer setting change mode, the timer changes from self timer on to self timer off or self timer off to self timer on every time the shortcut key is input. The method characterized in that. The method of claim 1, wherein the changing process When the shooting function setting mode corresponding to the input shortcut key is an album setting change mode, a video album mode recorded as a video in the photo album mode recorded as a still image whenever the shortcut key is input, or the photo album mode in the video album mode. The method characterized in that the change to. The method of claim 1, wherein the changing process And the flash manual mode is changed from flash manual mode to flash auto mode or from flash auto mode to flash manual mode if the shooting function setting mode corresponding to the input shortcut key is flash setting mode. The method of claim 1, wherein the changing process And if the shooting function setting mode corresponding to the input shortcut key is an image direction setting change mode, the image is reversed upside down or left and right whenever the shortcut key is input. The method of claim 1, wherein the changing process And if the shooting function setting mode corresponding to the input shortcut key is a contrast / zoom setting change mode of the image, the contrast / zoom of the image is changed step by step whenever the shortcut key is input. The method of claim 1, wherein the conversion process And displaying information indicating a shooting function setting mode corresponding to each of the shortcut keys when a user inputs a function setting display key.

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