KR20060114137A - Mobile phone for having a function of character recognition and method of treating a call using it - Google Patents

Abstract

A mobile communication terminal having a function for recognizing characters and a call processing method using the same are provided to convert a character image photographed by a camera into a readable text file and recognize a phone number from the character image before executing a real time call so that a user can execute the real time call by using the phone number without inputting the phone number one by one. A mobile communication terminal comprises the followings: a keypad(110); a memory(130); a character reader(140); and a controller(150). According as character images photographed by a camera(120) are transmitted, the character reader(140) converts the character image into a readable text file and extracts a phone number from the converted text file before transmitting the extracted phone number to the outside. According as the phone number extracted from the character reader(140) is transmitted, the controller(150) recognizes the phone number by referring to character information stored in the memory(130) and outputs the phone number on a display(160) before executing a real time call by using the phone number outputted on the display(160).

Description

Mobile communication terminal having a character recognition function and call processing method using the same {Mobile phone for having a function of character recognition and method of treating a call using it}

1 is a perspective view of a mobile communication terminal having a camera for imaging according to the present invention.

2 is an internal configuration diagram of a mobile communication terminal having a camera for imaging according to the present invention;

3A to 3C are LCD screens showing menu items selected by a user according to the present invention.

4 is a liquid crystal display for outputting a telephone number photographed by a camera of a mobile communication terminal according to the present invention.

5 is a flowchart illustrating a process of performing a real-time call to a phone number photographed by a camera of a mobile communication terminal according to the present invention.

6 is a flowchart illustrating a process of photographing a text image through a camera of a mobile communication terminal according to the present invention.

7 is a flowchart illustrating a process in which a mobile communication terminal recognizes a telephone number from an image already taken by a camera and outputs the telephone number on a display unit.

8 is a flowchart illustrating a process of performing a real time call with a phone number output on a display unit of a mobile communication terminal according to the present invention.

Explanation of symbols on the main parts of the drawings

100: mobile communication terminal 110: keypad

120: camera 130: memory

140: character reading unit 150: control unit

160: display unit 170: radio frequency processing unit

180: speaker 190: microphone

The present invention relates to a mobile communication terminal having a text recognition function and a call processing method using the same, and more particularly, a mobile communication terminal which recognizes a phone number from a text image photographed by a camera and makes a call in real time. And it relates to a call processing method using the same.

 With mobile terminals becoming a necessity for people, young people are mostly using more than one mobile service. In particular, users in their teens or early twenties mostly use mobile communication services to communicate with each other, especially text and voice messages.

Typically, users of a mobile communication terminal use a short message service (SMS) function, which is one of a plurality of functions additionally implemented in addition to the basic call function, to request a message such as a text message. It may transmit a message, and may receive a message transmitted by any mobile communication terminal.

Recently, mobile communication terminals have provided various additional services such as basic services such as voice call, text and voice message transmission, games, ringtones, music and video, and various additional functions as wireless communication technology is highly developed. have.

Conventionally, when a user wants to make a call to a phone number recorded on a recording medium such as a business card, a brochure, a billboard or the like through a mobile communication terminal having various functions as described above, the user of the mobile communication terminal may read the telephone number on which the recording medium is recorded. There was a inconvenience in using the keypad to enter it.

The present invention has been made to solve the above problems, and provides a mobile communication terminal and a call processing method using the same to perform a real-time call by recognizing a phone number from a text image taken by a camera embedded in the mobile communication terminal Its purpose is to.

According to an aspect of the present invention, there is provided a mobile communication terminal including a camera for capturing a text image, comprising: a keypad for inputting a key signal for a call service and various additional services; A memory for storing a program for reading and converting a variety of text information, the text image being photographed by a camera into a readable text file; A text reading unit for converting the text image into a readable text file through a program for reading, and extracting a phone number from the converted text file and transferring the text image photographed from the camera to the outside; As the phone number extracted from the character reading unit is transferred, the phone number is recognized by the character information stored in the memory and the phone number is recognized and output on the display unit. It characterized in that it comprises a control unit for performing a real-time call.

The present invention provides a real-time call processing method of a mobile communication terminal in which a camera for capturing a predetermined text image comprises the steps of: receiving a predetermined text image photographed by a camera; As the character image photographed from the camera is input, driving a predetermined character reading program to extract a phone number from the character image and output it on the display unit; And performing a real-time call to the telephone number output on the display unit according to a user command.

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

1 is a perspective view of a mobile communication terminal having a built-in imaging camera according to the present invention, FIG. 2 is an internal configuration diagram of a mobile communication terminal having a built-in imaging camera according to the present invention, and FIGS. 3A to 3C are 4 is a liquid crystal screen displaying a menu item selected by a user according to the present invention, and FIG. 4 is a liquid crystal screen outputting a telephone number photographed by a camera of a mobile communication terminal according to the present invention.

Referring to FIG. 2, the mobile communication terminal 100 includes a keypad 110 for inputting a user command related to a voice call, various additional services, and call processing, and predetermined according to a user command input through the keypad 110. A camera 120 for capturing text images recorded on a recording medium of the memory 120; And, the character recognition unit 140 for converting the character image photographed through the program for reading stored in the memory 130 to a readable text file, and recognizes a predetermined telephone number from the converted text file and transfers it to the outside, The phone number recognized and transmitted by the character recognition unit 140 is output to the outside, the call to the corresponding phone number in conjunction with the call key signal input through the keypad 110 the control unit 150 for performing a call, the display unit 160 for displaying various character and image information transmitted by the control unit 150, and a telephone number recognized by the character recognition unit, and the control unit 150. The radio frequency processor 170 and the controller 150 convert the baseband signal transmitted by the radio frequency signal to a high frequency signal and transmit it to the outside and convert the high frequency signal received through the base station into a baseband signal and connect it to the controller 150. Speaker 180 for outputting the sound signal transmitted by the outside and a microphone 190 for receiving the sound signal from the outside and transmitting to the control unit.

On the keypad 110, keys for inputting numbers, symbols, characters, and the like, and keys for selecting various menus and executing various functions are arranged. When the user presses a specific key, the keypad 110 generates a key signal indicating an input of numbers, symbols, characters, or the like, or generates a call key signal for a phone number output on the display unit, and transmits the signal to the controller 150. .

The camera 120 photographs a text image recorded on a predetermined recording medium, for example, a business card, a brochure, a booklet, or the like according to a recording instruction of the controller 150, and controls the photographed text image to be recorded. 150). In this case, the text image photographed by the camera 120 is a phone number recorded in the form of Korean or Arabic numerals.

The memory 130 is set in association with a predetermined menu item provided to the user, for example, a menu item such as a phone book, a mobile phone setting, a schedule management, a convenient function, a fun function, a screen setting, a volume ringtone, and the corresponding menu item. Saves sub menu items.

In addition, the memory 130 is an execution program for providing various additional information and call service, and an optical character reading program (OCR: Optical Character), which is a character reading program for converting a text image photographed by a camera into a readable text file. Save Reader).

 At this time, the optical character reading program recognizes printed or handwritten letters, and analyzes the image or bitmap read by the scanner into bright and dark parts, and then recognizes as one letter. It converts recognized texts by converting them and is used for digitizing materials to protect library collections, and also processes checks and credit card sales slips and automatically sorts mail. Mainly used.

Here, the character reading program is not limited to the optical character reading program, but a tablet, a barcode, a magnetic ink reading program (MICR) for handwriting character recognition may also be used.

In addition, the memory 130 stores various character and numeric information used to recognize character information read from a text file of the character image photographed by the camera 120.

Here, the character information includes letters such as Korean, alphabet, Japanese, and the like, and the number information includes numbers from 0 to 9 and various numbers formed by combining them.

In addition, the memory 130 receives and stores telephone numbers recorded on various recording media photographed by the camera 120 from the controller 150, and stores them in a selection signal for a predetermined telephone number input from the controller 150. The selected phone number is linked to the display unit 160.

As the character image photographed by the camera 120 is transferred, the character reading unit 140 converts the character image into a readable text file through a character reading program stored in the memory 130.

Thereafter, the character reading unit 140 reads and extracts predetermined character information, more specifically, a telephone number recorded in Korean or Arabic numeral form, from the character image converted into a text file and transmits it to the controller 150.

The controller 150 executes an execution program stored in the memory 130 according to a call input through the keypad 110 and key signals for various additional services, such as calling and various additional services, a phone book, mobile phone settings, and schedule management. , Convenient functions, funny functions, screen settings, volume items such as ringtones to run menu items.

For example, when a user inputs a menu key signal through the keypad 110, the controller 150 displays various menu items on the display unit 160 as shown in FIG. 3A in association with the input menu key signal. Display.

In this case, when the user selects a menu item to be executed through the keypad 110, the controller 150 executes the selected menu item or displays the sub-menu item set in the selected menu item as shown in FIG. 3B. 160).

Here, the case where the camera 120 is selected as the lower menu item will be described.

As described above, when the user selects the camera 120 menu item among the displayed submenu items by using the keypad 110 while the submenu items are displayed on the display unit 160, the controller 150 As shown in FIG. 3C, a final menu item, such as taking a picture, taking a picture of yourself, a screen size, etc., which is a final menu item for performing camera 120 shooting, is displayed on the display unit 160.

In this case, when the user selects the “take picture” menu item from the final menu item for photographing the camera 120 through the keypad 110, the controller 150 controls the camera according to a user command input through the keypad 110. 120 is performed to photograph a predetermined text image.

Here, the text image photographed by the camera 120 is a phone number recorded in Korean or Arabic numerals on a recording medium such as a business card, a newspaper, a magazine, or a leaflet.

When the telephone number extracted from the character image converted into the text file is input from the character reading unit 140, the controller 150 compares the character information preset in the memory 130 with the input telephone number and inputs the input telephone number. Recognize. In this case, as shown in FIG. 4, the controller 150 outputs the telephone number recognized from the text image photographed by the camera on the display unit 160.

Thereafter, the controller 150 stores the corresponding telephone number output on the display unit in the memory 130 in association with a predetermined key signal input through the keypad 110 or performs a real time call with the corresponding telephone number.

In more detail, when a key signal for storing the telephone number in the memory 130 is input from the keypad 110 while the telephone number is output on the display unit 160, the controller 150 inputs the input key. In response to the signal, the corresponding phone number output on the display unit 160 is stored in the memory 130.

At this time, when a key signal for a call to the telephone number output on the display unit 160 is input through the keypad 110, the controller 150 is linked to the input call key and the corresponding telephone output on the display unit 160. Make a real time call to a number.

 Hereinafter, a method of performing a real time call to a recognized phone number using a mobile communication terminal according to the present invention will be described in detail with reference to FIGS. 5 to 8.

5 is a flowchart illustrating a process of performing a real time call with a phone number photographed by a camera of a mobile communication terminal according to the present invention, and FIG. 6 is a text image through a camera of the mobile communication terminal according to the present invention. FIG. 7 is a flowchart illustrating a process of photographing a photograph, and FIG. 7 is a flowchart illustrating a process in which a mobile communication terminal recognizes a phone number from a character image photographed by a camera and outputs it to a display unit. A flowchart illustrating a process of performing a real time call with a phone number output on a display unit of a mobile communication terminal according to the present invention.

First, as shown in FIG. 5, the mobile communication terminal 100 photographs a text image recorded on a predetermined recording medium according to a user command (S100).

More specifically, referring to FIG. 6, when the user inputs a key signal for photographing through the keypad 110 (S101), the mobile communication terminal 100 selects the "shooting mode" according to the input key signal. It is set (S102).

At this time, when the user instructs the photographing of the camera 220 using the keypad 110 (S103), the mobile communication terminal 100 controls the camera 120 to record on a recording medium such as business cards, brochures, signs, magazines, etc. The photographing is performed on a predetermined text image, more specifically, a text image which is a telephone number recorded on a recording medium in the form of Korean or Arabic numerals (S104).

As described above, after photographing a text image recorded on a predetermined recording medium through the camera 120, the mobile communication terminal 100 displays the photographed text image as shown in FIG. In operation S200, the display apparatus 160 converts the text file into a text file that can be read and output through the display unit 160.

More specifically, referring to FIG. 7, as the text image photographed from the camera 120 is transferred (S201), the mobile communication terminal 100 drives a predetermined character reading program stored in the memory 130. The character image is converted into a readable text file (S202).

After converting the text image into a readable text file as described above, the mobile communication terminal 100 extracts the telephone number recorded in the form of letters or Arabic numerals from the converted text file (S203).

Thereafter, the mobile communication terminal 100 compares the phone number extracted in the form of a readable text file with the character and numeric information stored in the memory 130 to recognize the corresponding phone number (S204), and displays the recognized phone number. Output on 160 (S205).

After outputting the recognized phone number on the display unit 160 as described above, the mobile communication terminal 100 is a phone recognized in conjunction with the call key signal input through the keypad 110 as shown in FIG. Perform a real-time call to the number (S300).

Referring to FIG. 8, in the state in which the recognized phone number is output on the display unit 160, the mobile communication terminal 100 uses the keypad 110 to call and store the phone number. The key signal is received (S301).

As described above, when a predetermined key signal is input through the keypad, the mobile communication terminal 100 determines whether the input key signal is a call key signal for the corresponding telephone number or a storage key signal (S302).

As a result of the determination in step S302, when the input key signal is a storage key signal for the corresponding phone number, the mobile communication terminal 100 stores the corresponding phone number in the memory 130 in association with the input key signal (S303). ).

However, when the inputted key signal is a call signal for the corresponding phone number as a result of the determination in step S302, the mobile communication terminal 100 makes a real-time call to the corresponding phone number in conjunction with the input key signal. Perform (S304).

Although the technical spirit of the present invention has been described in detail according to the above-described preferred embodiment, it should be noted that the above-described embodiment is for the purpose of description and not of limitation. In addition, those skilled in the art will understand that various embodiments are possible within the scope of the technical idea of the present invention.

As described above, the present invention converts a character image photographed by a camera into a readable text file and recognizes a telephone number from the character image to perform a real-time call, so that users need to input the telephone number one by one. It has the unique effect that you can make a real-time call to the phone number without using it.

Claims (10)

In the mobile communication terminal with a built-in camera for taking a text image, A keypad for inputting a key signal for a call service and various additional services; A memory for storing a program for reading and converting various character information into a text file that can be read by a camera; A text reading unit converting the text image into a readable text file through the reading program, extracting a phone number from the converted text file, and transmitting the text image photographed from the camera to the outside; And  As the phone number extracted from the character reading unit is transferred, the controller recognizes the phone number with reference to the character information stored in the memory and outputs the phone number to the display unit, and performs a real time call with the phone number output on the display unit. Mobile communication terminal, characterized in that configured to include. The method of claim 1, And when a call signal for a phone number displayed on the display unit is input through the keypad, the controller performs a call to the corresponding phone number in association with the input key signal. The method of claim 1, The phone number extracted by the character reading unit is a mobile communication terminal, characterized in that the Korean or Arabic numerals. The method of claim 1, And a reading program stored in the memory is an optical character recognizer (OCR). In the real-time call processing method of a mobile communication terminal with a camera for taking a predetermined text image, Controlling the camera according to a user command to take a predetermined text image; As the character image photographed by the camera is input, driving a predetermined character reading program to extract a phone number from the character image and output the phone number on the display unit; And Performing a real-time call to a phone number output on the display unit according to a key signal for a call input from the outside; Call processing method of a mobile communication terminal, characterized in that configured to include. The method of claim 5, wherein the receiving of the text image comprises: Receiving a key signal for photographing a text image recorded on a predetermined recording medium; Setting the camera to a photographing mode in response to the key signal for photographing a text image being input; And Receiving a predetermined text image captured by the mobile terminal according to a user command from the camera while a photographing mode is set for the camera; Call processing method of a mobile communication terminal, characterized in that configured to include. The method of claim 5, wherein the extracting the phone number from the photographed text image and outputting the phone number on the display unit includes: Converting the text image into a text file by driving a reading program stored in a memory, as the text image photographed from the camera is transferred; As the text image is converted into a readable text file, extracting a telephone number of a predetermined format from the converted text file by the mobile communication terminal; Recognizing the telephone number by comparing the extracted telephone number with various text information set in memory; And Outputting the recognized phone number on the display unit by the mobile communication terminal; Call processing method of a mobile communication terminal, characterized in that configured to include. The method of claim 7, wherein The phone number extracted from the text file is a call processing method of a mobile communication terminal, characterized in that the Korean numeral or Arabic numeral form. The method of claim 7, wherein  And a reading program stored in the memory is an optical character recognition time (OCR). The method of claim 5, wherein the real time call is performed using the phone number output on the display unit. Receiving, by the mobile communication terminal, a predetermined key signal corresponding to the outputted telephone number while the telephone number is output on the display unit; Determining, by the mobile communication terminal, whether the input key signal is a storage key signal or a call key signal for the telephone number; If the key signal is a storage key signal for the telephone number, storing, by the mobile communication terminal, the telephone number output on the display unit in a memory; And If the key signal is a key signal for a call to the telephone number, the mobile communication terminal performing a real-time call to the telephone number output on the display unit; Call processing method of a mobile communication terminal, characterized in that configured to include.

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