JPH06168255A - Image data managing system - Google Patents

Abstract

PURPOSE:To efficiently reduce the cost of a storage medium by adding the number of times of reference and the number of times of update as managing information to be stored in a managing information file and selecting the optimum storage medium corresponding to the frequency of use. CONSTITUTION:Image data are read from a scanner 1. Next, it is judged whether the image data are used just after storage or not. The image data to be temporarily stored are stored in an optical disk 5. In the case of image data to be immediately used, however, they are stored in a magnetic disk 4 to be quickly accessed as long as the capacity of the magnetic disk 4 permits the storage. Simultaneously with the storage of image data, as the managing information concerning the image data, the number of times of reference and the number of times of update are registered on a managing information file 3. Then, the managing information is investigated and the image data used frequently and stored in the optical disk 5 of slow access are stored in the magnetic disk 4 of quick access again.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image data management system, and more particularly to an image data management system for selecting, storing and managing a storage medium in the use of image data in multimedia.

[0002]

2. Description of the Related Art A conventional image data management system is
When the image data is stored, the storage medium (magnetic disk device, optical disk device, magnetic tape device, etc.) is selected and stored according to the operator's judgment.

FIG. 6 is a system configuration diagram showing a conventional example,
FIG. 7 is a record layout diagram of the management information stored in the management information file shown in FIG.

The image data management system shown in FIG. 6 includes a scanner 1 for reading image data, an optical disk 5 for storing a large amount of the image data, and
The magnetic disk 4 capable of accessing the image data at high speed and the read image data with the material No.
a, an image data management device 6 for designating which of the magnetic disk 4 and the optical disk 5 is to be stored, and referring to and updating the stored image data; a and a management information file 7 storing a storage destination b indicating the optical disk 5 or the magnetic disk 4.

Therefore, the image data is transferred to the optical disk 5.
When moving between the magnetic disk 4 and the magnetic disk 4, the material No. stored in the management information file 7 is stored. a and the storage destination b are output to an output means 7 such as a printer or a CRT display, and while referring to this, the magnetic disk 4 is moved to the optical disk 5 and the optical disk 5 is moved to the magnetic disk 4 in consideration of the usage rate. It was

However, in this case, it is up to the operator to judge whether the usage rate is high or low, so that the usage rate cannot be determined appropriately.

[0007]

However, in such a conventional image data management system as described above, the operator must judge the selection of the storage medium each time the image data is stored, and the operator must select the storage medium. Since the burden is heavy and the management is manual, there are omissions in selecting the storage medium, and frequently used image data is stored in a slow access medium, or infrequently used large capacity data is stored in a fast access medium. However, the storage cost of the medium is inefficient, and the processing time for use is long.

[0008]

The image data management system of the present invention is provided with a latest reference date for each image data, an update date, the number of times of reference, the number of times of update, and the type of image data (book, data, photograph, microfilm, etc.). ), Storage medium information, etc., is registered in the management information file, and the image management apparatus automatically determines the most suitable storage location for storing image data based on these information, and stores it as well as after storage. , The management information table is regularly referred to, and the image data is migrated to an optimum storage state.

[0009]

Embodiments of the present invention will now be described with reference to the drawings.

In the following embodiments, a case will be described in which, as image data storage medium destinations, there are an optical disk that is slow to access but has a large capacity, and a magnetic disk that is not large in capacity but faster to access than an optical disk. .

FIG. 1 is a system configuration diagram showing an embodiment of the present invention, FIG. 2 is a record layout diagram of management information stored in the management information file shown in FIG. 1, and FIG. 3 is an online system in the embodiment shown in FIG. FIG. 4 is a flow chart of processing, FIG. 4 is a detailed flow chart for the free space securing processing of operation step S5 shown in FIG. 3, and FIG. 5 is a flow chart of batch processing in the embodiment shown in FIG.

The image data management system shown in FIG. 1 includes a scanner 1 for reading image data, an optical disk 5 for storing a large amount of the image data,
The magnetic disk 4 capable of accessing the image data at high speed, and the read image data with the material No.
a, an image data management device 2 for determining which of the magnetic disk 4 and the optical disk 5 is to be stored, and referring to and updating the stored image data; a and a storage destination b indicating the optical disk 5 or the magnetic disk 4, and a management information file 3 storing management information including at least the reference count 5 and the update count g of the image data executed by the image data management device 2. Composed.

The record layout shown in FIG. 2 shows the data No. as management information. a, storage destination b, medium type c, reference date d, update date e, reference count f, and update count.

Next, the online processing operation of the image data management system shown in FIG. 1 will be described with reference to FIGS.

First, in operation step S1, the scanner 1
Read more image data.

Next, in operation step S2, the medium type c of the image data is book, material, photograph, microfilm,
It is determined whether the image data is the image data to be used immediately after the storage or not, depending on whether it is etc.

Image data that is to be stored for the time being is stored in the optical disk 5 as the storage destination b in operation step S3, and the operation proceeds to operation step S7.

However, in the case of image data for immediate use, as long as the capacity of the magnetic disk 4 permits in the operation step S4, the image data is stored in the faster accessed one in the operation step S6.

If the magnetic disk has no capacity in the operation step S4, a free area is secured in the operation step S5, and then the image data is stored in the magnetic disk 4 in the operation step S6.

At the same time when the image data is stored, the material No. is stored as management information regarding the image data. A, storage location b, medium type c, reference date d, update date e, reference count f, and update count g are registered in the management information file 3.

The detailed operation of the free space securing process in the above operation step S5 will be described with reference to FIG.

First, in the operation step S8, only the management information of the image data already stored in the magnetic disk 4 is extracted into the intermediate table.

Next, in operation step S9, the extracted intermediate tables are arranged in descending order by the latest reference date d, reference number f, update date e, and update number g. At the time of rearrangement, the latest reference date d is the first key, the reference number f is the second key, the update date e is the third key, and the update number g is the fourth key. As a result, this intermediate table is sorted in the order of the least used record.

At operation step S10, one record of management information is read from the sorted intermediate table.

In operation step S11, the magnetic disk 4
The image data is moved from the optical disc to the optical disc 5. As a result, the image data on the magnetic disk 4 is deleted.

In operation step S12, the magnetic disk 4
Check whether there is enough space for the image data to be stored in.

If there is no free area, operation step S10
~ The process of S12 is repeated.

Finally, the batch processing operation of the image data management system shown in FIG. 1 will be described with reference to the drawings.

The batch process is a process of periodically checking the management information and re-inserting the image data, which is often used and is stored in the slow-accessing optical disk 5, into the fast-accessing magnetic disk 4.

This batch processing operation will be described with reference to FIG.

First, in operation stap S13, one record of management information is read.

Next, in an operation step S14, it is checked whether or not the data can be read. If the data cannot be read, the process ends. If the data can be read, the usage rate of the image data is checked from the data read in the operation step S15. .

If the usage rate is high as a result of the usage rate check in the operation step S15, it is checked in step S16 whether or not the image data exists in the optical disk 5. If the usage rate is in the optical disk 5, the operation step is performed. S1
At 7, the magnetic disk 4 is moved.

If the usage rate is low as a result of the usage rate check in operation step S15, operation step S18 is performed.
Then, it is checked whether or not the image data is on the magnetic disk 4, and if it is on the magnetic disk 4, the image data is moved to the optical disk 5 in operation step S19.

When it is not a presence check or after the image data is moved, the operation from operation step S13 is repeated, and when all the records are read, operation step S13 is performed.
At 14, the data becomes unreadable and the process ends.

[0036]

According to the image data management system of the present invention, by adding the reference count and the update count as the management information stored in the management information file, the optimum storage medium can be selected according to the usage rate. Since it is possible, data that is rarely used after storage can be re-stored in a medium with slow access, so image data can be stored quickly in a medium with a small medium capacity and efficiently stored with the optimal arrangement at that time. There is an effect that good use of image data and efficient reduction of storage medium cost can be achieved.

[Brief description of drawings]

FIG. 1 is a system configuration diagram showing an embodiment of the present invention.

FIG. 2 is a record-out diagram of management information stored in the management information file shown in FIG.

FIG. 3 is a flowchart of online processing in the embodiment shown in FIG.

FIG. 4 is a detailed flowchart of a free space securing process in operation step S5 shown in FIG.

5 is a flowchart of batch processing in the embodiment shown in FIG.

FIG. 6 is a system configuration diagram showing a conventional example.

7 is a record layout diagram of management information stored in the management information file shown in FIG. 6;

[Explanation of symbols]

 1 Scanner 2,6 Image Data Management Device 3,7 Management Information File 4 Magnetic Disk 5 Optical Disk 8 Output Means a Material No. b Storage destination c Medium type d Reference date e Update date f Reference count g Update count S1 to S19 Operation step

Claims (5)

[Claims] 1. Image data comprising: storage means for selecting and storing an optimum medium when storing image data; and storage medium changing means for dynamically changing the storage medium even after storage. Management system. 2. A scanner for reading image data, an optical disk for storing a large amount of the image data, a magnetic disk capable of fast-accessing the image data, and a material No. 1 for the read image data. And an image data management device for deciding which of the magnetic disk or the optical disk to store and referring to and updating the stored image data; And an information management file for storing a storage destination indicating whether the disk is an optical disk or a magnetic disk, and a management information file that stores management information including at least the number of times the image data is referenced and updated by the image data management apparatus. system. 3. Material No., storage destination, reference date, reference frequency,
The management information including at least the update date and the number of updates is read, the management information is rearranged in the order of the usage rate according to the reference date, the number of references, the update date, and the number of updates, and the storage destinations included in the management information are stored in the order of the lowest usage rate. Whether the disk is an optical disk or a magnetic disk is checked, and when the storage destination is a magnetic disk, the material No. An image data management system characterized in that the image data indicated by is moved to an optical disk. 4. Material number, storage location, reference date, reference frequency,
The management information including at least the update date and the number of updates is read, and the management information is rearranged in the order of the usage rate according to the reference date, the number of references, the update date, and the number of updates, and the storage destinations included in the management information are stored in the order of the highest usage rate. Whether the disk is an optical disk or a magnetic disk is checked, and when the storage destination is an optical disk, the material No. An image data management system characterized in that the image data indicated by is moved to a magnetic disk. 5. The management information is rearranged in the order of usage rates, and when image data with a high usage rate is stored in an optical disk, it moves to a magnetic disk, and when image data with a low usage rate is stored in a magnetic disk. Image data management system characterized by moving to an optical disk.