KR20060095202A - Method for classifying and searching image file in optical disk recording device - Google Patents

Abstract

The present invention relates to a method for classifying and retrieving an image file in an optical disc recording apparatus, comprising: determining whether a file classification menu screen is requested when a storage medium is loaded into an optical disc recording apparatus and a predetermined file is read; Providing a classification code input screen of at least three digits when a screen is requested; determining whether the file classification is completed, and setting the file classification table by inserting the classification code inputted in the head information of the file when the file classification is completed. And determining whether a file classification table exists in the file when the file classification menu screen is not requested, and displaying the file classification table when the file classification table exists in the file. According to the present invention, not only the file search is easily performed in the optical disk recording apparatus, but also the time required for the search can be drastically reduced.

Description

TECHNICAL FOR CLASSIFYING AND SEARCHING IMAGE FILE IN OPTICAL DISK RECORDING DEVICE}

1 is a schematic structural block diagram of an optical disc recording apparatus for performing a video file classification and retrieval method according to the present invention;

2 is an exemplary diagram of a file classification table of a classification code applied to this embodiment.

3 is a flowchart of an image file classification and retrieval process in an optical disc recording apparatus according to a preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: key input unit 102: control unit

104: optical disc drive unit 106: MPEG codec

108: storage medium 110: OSD unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a file information management technique in an optical disc recording apparatus, and more particularly, to a method of classifying and retrieving image files in an optical disc recording apparatus in which file information can be easily retrieved.

Examples of the optical disc recording apparatus include CD-RW, DVD-RW, DVR, PVR, etc., and the popularity of DVD players has been greatly lowered due to the recent decrease in the consumer price of DVD players due to recent technology development and mass production. Homes that own and own DVD titles are on the rise.

In such an optical disc recording apparatus, in order to check the contents of a disc, picture files of a thumbnail format are configured on an initial menu screen so that a user can browse and select file information stored on the disc one by one.

Meanwhile, a large capacity hard disk (HDD) is additionally provided in a digital broadcast receiver such as a set-top box, and the program stored in the hard disk is stored on the hard disk after being recorded and stored on the hard disk. Digital broadcast recording / reproducing functions for reproducing and outputting a broadcast program recorded on a disk, for example, a digital broadcasting system having an additional 'PVR' function have been developed and released and are widely spread.

As is well known, the PVR is a personal recording / playback apparatus, and has a large storage medium, that is, a hard disk, for storing recorded data, that is, broadcast program data, and reproduces data stored in such a storage medium. Has the function.

In this case, in an optical disc recording apparatus using a DVD of a general capacity, it is not a big problem to check the recorded contents by using a thumbnail-like method. However, if the contents are retrieved from a large-capacity recording apparatus such as a PVR or a DVD in the future, Given the situation where the capacity of the disc can be large, it is expected that retrieval of the recorded contents will never be easy. In other words, as the capacity of the storage medium increases, the number of files to be recorded also increases, so checking the picture files and checking the recorded contents as in the present is very cumbersome and a big loss in time.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described state of the art. When an optical disc recording apparatus stores a file in a storage medium, the file classification table is set by inserting a three-digit classification code into the head information of the file. SUMMARY OF THE INVENTION An object of the present invention is to provide a method for classifying image files in an optical disk recording apparatus that facilitates the operation.

Another object of the present invention is to provide an image file retrieval method in an optical disc recording apparatus that facilitates file retrieval by displaying each file in a sorting order when a file classification table exists when loading a storage medium.

According to an embodiment of the present invention for achieving the above object, as an image file classification method in an optical disc recording apparatus, a file classification menu screen is requested when a storage medium is loaded into the optical disc recording apparatus and a predetermined file is read. Determining a file classification menu screen, and if the file classification menu screen is requested, providing a classification code input screen of at least three digits, determining whether the file classification is completed, and inputting the head information of the file when the file classification is completed. An image file classification method in an optical disc recording apparatus comprising inserting a classification code to set a file classification table.

According to another embodiment for achieving the object of the present invention, an image file retrieval method in an optical disc recording apparatus displaying a file classification table in which at least three or more classification codes for each file are listed. Determining whether a file classification table exists in the file when a storage medium is loaded into the optical disc recording device and a predetermined file is read; and displaying the file classification table when the file classification table exists in the file. A video file retrieval method in a disc recording apparatus is provided.

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

1 is a schematic block diagram of an optical disc recording apparatus for performing a video file classification and retrieval method according to the present invention, which includes a key input unit 100, a control unit 102, an optical disc drive unit 104, and an MPEG codec ( 106, a storage medium 108, and an OSD unit 110.

As shown, the key input unit 100 is a means for generating a predetermined key signal according to a user's key input behavior, and may be provided in the front panel or the remote controller of the optical disc recording apparatus.

The control unit 102 performs various modes of the optical disc recording apparatus, for example, a reproduction mode, a function setting mode, and the like in accordance with the key signal provided from the key input unit 100 described above.

In addition, the control unit 102 may display the OSD unit 110 to display a classification code input screen for inputting a classification code of a file in any disk or storage medium 108 inserted through the optical disk drive unit 104. It controls the list of input classification codes and inserts them into the head information of the corresponding file.

In addition, the controller 102 may display the file classification table of the corresponding file listed with the classification code when a predetermined disk is inserted or the storage medium 108 is loaded through the optical disk drive unit 104. Control the user to facilitate the search.

Such a file classification table is as illustrated in FIG. 2.

As can be seen in Figure 2, the file classification table is composed of a plurality of classification codes for each genre of the image file. For example, it is understood that the classification code is "000" in the case of a movie, and the classification code is set to "010" for the movie xxx of a specific title among movies.

Likewise, other classification codes may be set differently.

On the other hand, the optical disc drive unit 104 is a means for performing overall driving of the optical disc recording apparatus, and is composed of a servo and an optical pickup unit (not shown). Here, the optical pickup unit reads data from the inserted disc, and the servo performs a function of controlling tracking and focusing of the optical pickup unit, respectively. At this time, the disc information recognized by the optical disc drive unit 104 is provided to the control unit 102.

The MPEG codec 106 decodes an image signal provided through the optical disc drive unit 104 in an MPEG manner and provides it to a video output means (not shown).

The storage medium 108 is, for example, a hard disk drive, and a large capacity recording means applied to a PVR or the like may be applied.

The OSD unit 110 serves to display various operation states of the optical disk recording apparatus under the control of the control unit 102 on the screen, and according to the present embodiment, the optical disk inserted into the optical disk drive unit 104 or Screen information for inducing input of a classification code is provided to any file stored in the storage medium 108 to be loaded.

In addition, the OSD unit 110 displays a file classification table when the file classification table exists in an optical disk inserted into the optical disk drive unit 104 or any file stored in the storage medium 108 loaded. do.

Hereinafter, the image file classification and retrieval process in the optical disc recording apparatus according to the preferred embodiment of the present invention together with the above-described configuration will be described in detail with reference to the flowchart of FIG. 3.

First, in step S300, the controller 102 determines whether a storage medium (optical disk or hard disk) is loaded into the optical disk recording apparatus, and when the loading is completed, proceeds to step S302.

In operation S302, the controller 102 reads a predetermined file from the loaded storage medium and determines whether a file classification menu screen is requested through the key input unit 100.

As a result of the determination in step S302, if a file classification menu screen is requested, the control unit 102 proceeds to step S304 to provide a classification code input screen. The classification code input screen is screen information for inputting a three-digit classification code as described above with reference to FIG.

Thereafter, the control unit 102 proceeds to step S306 to determine whether the file classification is completed through the key input unit 100, and when the file classification is completed, the control unit 102 proceeds to step S308 and enters the classification. Insert the code into the head information of the file to set the file classification table. The file classification table to be set is as illustrated in FIG. 2.

On the other hand, when it is determined in step S302 that the file classification menu screen is not requested, the controller 102 proceeds to step S310.

The process after step S310 is for displaying a file classification table in which at least three or more digit classification codes for each file are listed to facilitate image file retrieval. The detailed process is as follows.

First, as a result of the determination in step S310, it is determined whether a file classification table exists in the corresponding file. If the file classification table does not exist, the control unit 102 proceeds to step S312 to perform a general playback process. .

If the file classification table exists in the corresponding file, the control unit 102 proceeds to step S314 to display the file classification table outside through the OSD unit 110. That is, the file classification table as illustrated in FIG. 2 is provided to the user to facilitate the user's file search.

Thereafter, when a predetermined classification code, for example, "020" is selected through the key input unit 100 with reference to the file classification table as in steps S316 and S318, a title corresponding to the selected classification code, for example, "Xxxx" is selected and the title is played.

As described above, the present invention is to set the file classification table by inserting the three-digit classification code in the head information of the file when the file is stored in the storage medium in the optical disk recording device, the file classification table when the storage medium is loaded If present, each file is displayed in sort order.

While many details are set forth in the foregoing description, they should be construed as illustrative of preferred embodiments, rather than to limit the scope of the invention. For example, a person having ordinary knowledge in the technical field to which the present invention belongs may modify the classification code into a larger number of classification codes according to the capacity of the recording medium, that is, the number of files to be recorded, without limiting the classification code to three digits. It is obvious that the invention can be practiced. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined by the technical spirit described in the claims.

According to the present invention, not only the file search is easily performed in the optical disk recording apparatus, but also the time required for the search can be drastically reduced.

Claims (4)

A video file classification method in an optical disk recording apparatus, Determining whether a file classification menu screen is requested when a storage medium is loaded into the optical disc recording apparatus and a predetermined file is read; Providing a classification code input screen of at least three digits when the file classification menu screen is requested; Judging whether file classification is completed, and setting the file classification table by inserting the input classification code into the head information of the file when the file classification is completed. Image file classification method in an optical disc recording apparatus comprising a. The method of claim 1, And the classification code is a classification code for each genre of the image file. An image file retrieval method in an optical disk recording apparatus displaying a file classification table in which at least three or more classification codes for each file are listed. Determining whether a file classification table exists in the file when a storage medium is loaded into the optical disc recording apparatus and a predetermined file is read; If a file classification table exists in the file, displaying the file classification table. Image file retrieval method in the optical disk recording apparatus comprising a. The method of claim 3, wherein And the classification code is a division code for each genre of the image file.

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