CN112673576A - 数据压缩方法、数据恢复方法及装置 - Google Patents

数据压缩方法、数据恢复方法及装置 Download PDF

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CN112673576A
CN112673576A CN201880097205.2A CN201880097205A CN112673576A CN 112673576 A CN112673576 A CN 112673576A CN 201880097205 A CN201880097205 A CN 201880097205A CN 112673576 A CN112673576 A CN 112673576A
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differential
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CN112673576B (zh
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王同舟
张猛
杨晓波
余浪
康尧磊
李冬
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Siemens AG
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Siemens AG
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Abstract

一种数据压缩方法、数据恢复方法及装置。数据压缩方法,包括:对原始数据执行差分变换以获得差分数据树,该差分数据树包括最终均值数据和各层差分数据;至少部分地基于自差分数据树的第二层差分数据起的各个差分数据的数据值以及对应的去除阈值来对各个差分数据进行去除处理,其中,各个差分数据的去除阈值是根据该差分数据的父差分数据的数值来确定的;以及基于最终均值数据和经过去除处理后的剩余差分数据,生成压缩数据文件。利用该数据压缩方法,可以在无需知道该待压缩数据的先验知识的情况下,根据待压缩数据的动态变化范围来动态地调整压缩参数。

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PCT国内申请,说明书已公开。

Claims (22)

  1. PCT国内申请,权利要求书已公开。
CN201880097205.2A 2018-09-14 数据压缩方法、数据恢复方法及装置 Active CN112673576B (zh)

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PCT/CN2018/105788 WO2020051895A1 (zh) 2018-09-14 2018-09-14 数据压缩方法、数据恢复方法及装置

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CN112673576A true CN112673576A (zh) 2021-04-16
CN112673576B CN112673576B (zh) 2024-04-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113630124A (zh) * 2021-08-10 2021-11-09 优刻得科技股份有限公司 时序性整数数据的处理方法、系统、设备和介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090100055A1 (en) * 2003-11-07 2009-04-16 Qiang Wang Fast signature scan
WO2011131248A1 (en) * 2010-04-23 2011-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for losslessly compressing/decompressing data
CN102520227A (zh) * 2011-12-14 2012-06-27 国电南瑞科技股份有限公司 一种基于扰动指示器的故障录波数据压缩方法
CN105915226A (zh) * 2016-04-27 2016-08-31 深圳市禾望电气股份有限公司 一种录波数据的处理方法及系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090100055A1 (en) * 2003-11-07 2009-04-16 Qiang Wang Fast signature scan
WO2011131248A1 (en) * 2010-04-23 2011-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for losslessly compressing/decompressing data
CN102520227A (zh) * 2011-12-14 2012-06-27 国电南瑞科技股份有限公司 一种基于扰动指示器的故障录波数据压缩方法
CN105915226A (zh) * 2016-04-27 2016-08-31 深圳市禾望电气股份有限公司 一种录波数据的处理方法及系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113630124A (zh) * 2021-08-10 2021-11-09 优刻得科技股份有限公司 时序性整数数据的处理方法、系统、设备和介质
CN113630124B (zh) * 2021-08-10 2023-08-08 优刻得科技股份有限公司 时序性整数数据的处理方法、系统、设备和介质

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