KR20050026777A - Method for recognizing and translating scan character in mobile communication terminal - Google Patents

Abstract

A method for recognizing and translating a scan character in a mobile communication terminal is provided to easily use a scanned sentence or image in the transmission of an SMS(Short Message Service) and an MMS(Multimedia Messaging System) by scanning a desired sentence or image using the mobile communication terminal and storing the scanned sentence or image in the mobile communication terminal. An MPU(Micro-Processor Unit) displays a scanning type selection request message(307). If image scan is selected(309), the MPU drives a scanner(311) and checks whether image data are inputted from the scanner(313). If the image data are inputted, the MPU processes the inputted image data, generates a certain image file, and stores the image file in a certain region of a memory(315). If text scan is selected(323), the MPU drivers the scanner(325) and checks whether image data are inputted from the scanner(327). If the image data are inputted, the MPU converts the inputted image data into character data by using a certain character recognition algorithm, and stores the character data in a certain region of the memory(329).

Description

METHOD FOR RECOGNIZING AND TRANSLATING SCAN CHARACTER IN MOBILE COMMUNICATION TERMINAL}

The present invention relates to a method for recognizing and translating a scanned character in a mobile communication terminal, and more particularly, to a method for scanning a document using a scan mirror installed outside of an antenna housing and performing character recognition and translation with the scanned image. It is about.

The mobile communication terminals are rapidly spreading due to the convenience of portability, and thus service providers (terminal manufacturers) are competitively developing terminals having more special functions to secure a large number of users. In particular, recent terminals can transmit and receive texts as well as voice, send and receive e-mail by accessing the wireless Internet, play games, and are also used as a means of payment or transportation card. As such, there is a demand for versatility to use a single terminal for various purposes.

In addition to the above functions, a function that can be considered is a foreign language dictionary function. Currently, if the dictionary function is not implemented in the terminal and the dictionary is to be used, the electronic organizer with the dictionary function is to be carried separately in addition to the terminal.

Meanwhile, in the related art, a technique of scanning a document using a pen scanner and transmitting a scanned image to a computer by wire or wireless has been introduced. If such a scanning and character recognition function is implemented in the terminal, the user does not need to input words or sentences for translation through the keypad. In other words, if the pen scanner and the terminal are combined, the user may use the translation function (foreign language dictionary function) more conveniently.

Accordingly, an object of the present invention is to provide a method for scanning a document in a mobile communication terminal and performing character recognition with the scanned image.

Another object of the present invention is to provide a method for scanning a document in a mobile communication terminal and performing character recognition and translation with the scanned image.

According to a first aspect of the present invention for achieving the above objects, in a mobile communication terminal having a scanner, the scan mirror of the scanner is installed outside the antenna housing, for translating and displaying the scanned document The method may further include displaying a translation type selection request message, driving the scanner when the translation end selection is detected, and checking whether image data is input from the scanner, and when inputting the image data, Converting the image data into character data of a corresponding language according to the selected translation type, accessing a dictionary database with the character data, and converting the image data into character data of another language, and corresponding to the converted character data. And displaying the character string on the display window. do.

According to a second aspect of the present invention, in a mobile communication terminal having a scanner, in which a scan mirror of the scanner is installed outside the antenna housing, a method for interpreting and displaying the scanned word is selected from a dictionary type. Displaying a request message; driving the scanner when the pre-type selection is detected; checking whether image data is input from the scanner; and inputting the selected image data when the image data is input. Converting into character data of a corresponding language according to a dictionary type, accessing a dictionary database with the character data, reading an interpreted word and reading a phonetic symbol, and scanning the word, the interpretation and the pronunciation And displaying the symbol on the display window.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

The present invention will be described below for a technique for scanning a document in a mobile communication terminal, and performing character recognition and translation with the scanned image. Here, the scanner is installed in an antenna housing, and a scan mirror of the scanner is installed in place outside the housing.

1 is a block diagram of a mobile communication terminal according to the present invention. In the following description, the mobile communication terminal is meant to include a cellular phone, a personal communication system (PCS), an international mobile communication-2000 (IMT2000) terminal, and the like. I will explain with a general configuration.

Referring to FIG. 1, a controller (MPU: Micro-processor unit) 100 controls the overall operation of the mobile terminal. For example, it performs processing and control for voice call and data communication, performs character recognition and translation with the image scanned through the scanner 124 according to the present invention in addition to the usual functions, and displays the translation result. Process the operation to Therefore, in the following description, description about the process and control of the normal control part 100 is abbreviate | omitted.

The read only memory (ROM) 102 stores microcode and various reference data of a program for processing and controlling the control unit 100. In particular, according to the present invention, a program for performing character recognition and translation with the image scanned through the scanner 124, and stores a program for displaying the translation results. Random Access Memory (RAM) 104 is a working memory of the controller 100. Stores temporary data generated during the execution of various programs. Flash ROM 106 stores various updatable storage data such as a phone book. In particular, the flash ROM 106 is provided with various translation dictionaries (eg, Korean-English dictionary, English-Korean dictionary, Japanese-Korean dictionary, Korean-Japanese dictionary, etc.) according to the present invention.

The keypad (key pad) 108 is a numeric key buttons of 0-9, menu button (menu), cancel button (clear), confirmation button, call button (TALK), end button (END), Internet access button, A plurality of function keys such as navigation key buttons (▲ / ▼ / ◀ / ▶) are provided, and key input data corresponding to a key pressed by the user is provided to the controller 100. On the other hand, a side key (▲ / ▼) is provided on the left side of the main body.

The display 110 displays status information generated during the operation of the mobile communication terminal, a limited number of characters, a large amount of video and still images, and the like. The display unit 100 may use a color liquid crystal display (LCD).

The codec (Coder-Decoder) 112 connected to the control unit 100 and the speaker 116 and the microphone 114 connected to the codec 112 are voice input / output blocks used for phone calls and voice recording. . The codec 112 converts the PCM data provided from the controller 100 into an analog voice signal and transmits the same through the speaker 116 and converts the voice signal received through the microphone 114 into PCM data. Provided to the controller 100.

The RF unit 120 lowers the radio frequency signal received through the antenna 118 to the baseband processor 122 and provides the baseband signal from the baseband processor 122 with a frequency. Up to transmit through the antenna 118. The baseband processor 122 processes a baseband signal transmitted and received between the RF unit 120 and the controller 100. For example, in case of transmission, channel coding and spreading of data to be transmitted are performed, and in case of reception, despreading and channel decoding of a received signal are performed. .

The scanner 124 is installed in an antenna housing, scans a document, and outputs scanning data (or image data) to the controller 100. Here, the scan mirror of the scanner 124 is installed outside the antenna housing, for example, may be installed at the upper end of the antenna housing.

2 is a view for explaining an installation position of the scanner 124.

As shown, the mobile communication terminal is largely composed of a main body 10 as a main body and a folder 20 as a sub body. An antenna housing 30 is installed at the top of the main body 10. According to the present invention, the scanner 124 is installed in the antenna housing 70, and the scan mirror 40 of the scanner 124 is installed at the upper end of the housing 70. As another example, the scan mirror 40 may be installed at an outer surface of the housing 70. Thus, like the pen scanner, the user scans the document by moving the scan mirror 40 against the document.

3 illustrates a procedure for scanning a document and recognizing a character with the scanned image in a mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 3, first, in step 301, the controller 100 checks whether a “scanner” menu item is selected by a user's key operation. If the scanner menu item is not selected, the controller 100 proceeds to step 337 to perform the corresponding mode. If the scanner menu item is selected, the controller 100 proceeds to step 303 and displays submenu items corresponding to the scanner menu item. For example, the display is displayed as "1: scanning 2: translation 3: electronic dictionary".

In operation 305, the controller 100 determines whether item 1 (scanning) is selected from the lower menu items. When the first item (scanning) is selected, the controller 100 proceeds to step 307 and displays a scanning type selection request message. For example, the display is displayed as "1: image scan 2: text scan".

In operation 309, the controller 100 determines whether the item 1 (image scan) is selected. If the image scan is not selected, the controller 100 proceeds to step 323. If the image scan is selected, the controller 100 proceeds to step 311 to drive the scanner 124. That is, the scanner 124 scans a document under the control of the controller 100. In operation 315, the controller 100 determines whether image data is received from the scanner 124. When the image data is received, the controller 100 proceeds to step 315 and stores the received image data in a predetermined area of the memory.

While receiving and storing the image data, the controller 100 checks whether the scan end is selected by the user's key operation in step 317. When the scan end is detected, the control unit 100 stops the operation of the scanner 124 in step 319. In step 321, the controller 100 processes the stored image data to generate an image file, and stores the image file in a predetermined region (image file storage) of the memory and then terminates the image file.

On the other hand, if the image scan is not selected in step 309, the controller 100 proceeds to step 323 and checks whether item 2 (text scan) is selected. When the text scan is selected, the controller 100 proceeds to step 325 to drive the scanner 124. In operation 327, the controller 100 determines whether image data is received from the scanner 124. When the image data is received, the controller 100 proceeds to step 329 and stores the received image data in a predetermined area of the memory.

While receiving and storing the image data, the controller 100 checks whether the scan end is selected by the user's key operation in step 331. When the end of the scan is detected, the control unit 100 stops the operation of the scanner 124 in step 333. In operation 335, the controller 100 converts the stored image data into text data through a text recognition algorithm, and stores the text data in a predetermined area of the memory. Since the character recognition algorithm is a known technique, detailed description thereof will be omitted.

Image files (picture files) and text data (text sentences) stored through the above-described algorithm are used for SMS (Short Message Service) transmission and MSM (Multimedia messaging system) transmission. That is, when a user finds a favorite phrase or image in a magazine, newspaper, book, etc., the user does not input directly through a keypad, but easily scans and stores it through a scanner.

4 illustrates a procedure for performing a translation function in a mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 4, first, in step 401, the controller 100 checks whether a “scanner” menu item is selected by a user's key operation. If the scanner menu item is not selected, the controller 100 proceeds to step 427 and performs the corresponding mode. If the scanner menu item is selected, the controller 100 proceeds to step 403 and displays submenu items corresponding to the scanner menu item. For example, the display is displayed as "1: scanning 2: translation 3: electronic dictionary".

In operation 405, the controller 100 determines whether item 2 (translation) is selected from the sub-menu items. If the second item (translation) is selected, the controller 100 proceeds to step 407 and displays a translation type selection request message. For example, a display such as "1: Korean-English translation 2: English-Korean translation" is displayed.

In operation 409, the controller 100 checks whether a translation type is selected by a user's key operation. When the translation type is selected, the controller 100 proceeds to step 411 to drive the scanner 124. That is, the scanner 124 scans a document under the control of the controller 100. In operation 413, the controller 100 determines whether image data is received from the scanner 124. When the image data is received, the controller 100 proceeds to step 415 and stores the received image data in a predetermined area of the memory.

In operation 415, the controller 100 converts the image data into character data (sentence) of the corresponding language through a character recognition algorithm. If the Korean-English translation is selected above, the image data is converted into character data according to Hangul. In operation 417, the controller 100 accesses a dictionary (in the case of a Korean-English translation, a Korean-English dictionary) database with the text data to perform a translation (Korean sentence-> English sentence), and in step 421 the translation result ( English sentences) are stored and displayed on the display.

During the display, the controller 100 checks whether the scan end is selected by the user's key operation in step 423. When the end of the scan is detected, the control unit 100 proceeds to step 425 to stop the operation of the scanner 124 and ends the present program.

5 illustrates a procedure for performing an electronic dictionary function in a mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 5, first, in step 501, the controller 100 checks whether a “scanner” menu item is selected by a user's key operation. If the scanner menu item is not selected, the controller 100 proceeds to step 531 to perform the corresponding mode. If the scanner menu item is selected, the controller 100 proceeds to step 503 and displays submenu items corresponding to the scanner menu item. For example, the display is displayed as "1: scanning 2: translation 3: electronic dictionary".

In operation 505, the controller 100 determines whether item 3 (electronic dictionary) is selected from among the lower menu items. When the third item (electronic dictionary) is selected, the controller 100 proceeds to step 507 and displays a dictionary type selection request message. For example, "1: English-Korean dictionary 2: Japanese-Japanese dictionary" is displayed.

In operation 509, the controller 100 checks whether a dictionary type is selected by a user's key operation. When the dictionary type is selected, the controller 100 proceeds to step 511 to drive the scanner 124. That is, the scanner 124 scans a document under the control of the controller 100. In operation 513, the controller 100 determines whether image data is received from the scanner 124. When the image data is received, the controller 100 proceeds to step 515 and stores the received image data in a predetermined area of the memory.

In operation 517, the controller 100 converts the image data into character data (sentence) of the corresponding language through a character recognition algorithm. If the English-Korean dictionary is selected earlier, the image data is converted into character data according to English. In operation 517, the controller 100 accesses a dictionary (English-Korean dictionary) database with the character data to read a word solver (interpretation) and a phonetic symbol. In step 521, the word according to the character data is read. Word pools and phonetic symbols are stored and displayed on the display. The words, word pools, and phonetic symbols are stored in correspondence with specific menu items (eg, my dictionary). Then, the user can edit and manage the contents stored in the dictionary.

During the display, the controller 100 checks whether a side key is input in step 523. If the side key is not input, the controller 100 proceeds to step 527. If the side key is input, the controller 100 proceeds to step 525 to access the dictionary database, read voice data (PCM) corresponding to the pronunciation of the word, and output the voice data to the codec 112. do. Then, the codec 112 converts the voice data into an audible analog signal and transmits it through the speaker 116. That is, when a side key is input, the pronunciation of a word is reproduced.

In step 527, the control unit 100 checks whether a scan end is selected by a user's key operation. If the end of the scan is not detected, the control unit 100 returns to step 523. If the end of the scan is detected, the control unit 100 proceeds to step 529 and stops the operation of the scanner 124. To exit.

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 those equivalent to the scope of the claims.

As described above, the present invention can be easily used for SMS (Short Message Service) and MMS (Multimedia messaging system) transmission by scanning and storing a favorite phrase or image in a magazine, newspaper, book, etc. with a terminal (cell phone). There is an advantage. In addition, scanning a word or sentence that is unknown to the terminal, by displaying the interpretation and pronunciation symbols, there is an advantage that you can study a foreign language using the terminal.

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

2 is a view showing the external configuration of a mobile communication terminal according to the present invention.

3 is a diagram illustrating a procedure for scanning a document and recognizing a character with a scanned image in a mobile communication terminal according to an embodiment of the present invention.

4 is a diagram illustrating a procedure for performing a translation function in a mobile communication terminal according to an embodiment of the present invention.

5 is a diagram illustrating a procedure for performing an electronic dictionary function in a mobile communication terminal according to an embodiment of the present invention.

Claims (4)

In a mobile communication terminal having a scanner, wherein a scan mirror of the scanner is installed outside the antenna housing, a method for scanning and storing a document, Displaying a scanning type selection request message; When selecting an image scan, driving the scanner and checking whether image data is input from the scanner; When the image data is input, processing the input image data to generate a predetermined image file, and storing the image file in a predetermined region of a memory; When selecting a text scan, driving the scanner and checking whether image data is input from the scanner; And converting the input image data into text data using a predetermined text recognition algorithm and storing the text data in a predetermined area of the memory. Claims [1] A method for translating and displaying a scanned document in a mobile communication terminal having a scanner, wherein a scan mirror of the scanner is installed outside the antenna housing. Displaying a translation request message; When the translation end selection is detected, driving the scanner and checking whether image data is input from the scanner; Converting the input image data into text data of a corresponding language according to the selected translation type when the image data is input; Accessing a dictionary database with the text data and converting the text data into text data of another language; And displaying a character string corresponding to the converted character data on a display window. In a mobile communication terminal having a scanner, wherein a scan mirror of the scanner is installed outside the antenna housing, a method for interpreting and displaying the scanned word, Displaying a dictionary type request message; When the dictionary type selection is detected, driving the scanner and checking whether image data is input from the scanner; Converting the input image data into character data of a corresponding language according to the selected dictionary type when the image data is input; Accessing a dictionary database with the character data, reading the interpreted words and pronunciation symbols of the scanned words; And displaying the scanned word, the interpretation, and the phonetic symbol on a display window. The method of claim 3, Checking whether a side key of the display is input; And accessing the dictionary database to read the voice data (PCM) corresponding to the pronunciation of the scanned word, converting the voice data into an audible analog signal and transmitting the same through a speaker when the side key is input. How to feature.