Data compression device and method, and program for data compression
AssigneeNEC Corporation
InventorYasuaki Sumiyoshi
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Abstract
To perform effective compression while maintaining the quality of the data, there is provided a data compression device for compressing a prescribed data file, which comprises: a compression threshold value storage device for storing a compression threshold value indicating compression limit that is set in advance in accordance with a prescribed property of the data file; and a compression device for compressing the data file based on the compression threshold value stored in the compression threshold value storage device.
Claims15
A data compression device, comprising:
- a storage device for storing a compression threshold value indicating compression limit that is set in accordance with a property of a data file;
- and
- a compression device for compressing the data file based on the compression threshold value.
A data compression program for allowing a computer, which constitutes a data compression device for compressing a data file, to execute functions of:
- storing a compression threshold value indicating compression limit that is set in accordance with property of the data file;
- and
- compressing the data file in accordance with the compression threshold value.
A data compression method, comprising the steps of:
- a storing step for storing a compression threshold value indicating compression limit that is set in accordance with property of the data file;
- and
- a compression step for compressing the data file in accordance with the compression threshold value.
Dependencies are inferred from the claim text.