WO2003014961A3 - Methods for efficient filtering of data - Google Patents
Methods for efficient filtering of data Download PDFInfo
- Publication number
- WO2003014961A3 WO2003014961A3 PCT/US2002/006060 US0206060W WO03014961A3 WO 2003014961 A3 WO2003014961 A3 WO 2003014961A3 US 0206060 W US0206060 W US 0206060W WO 03014961 A3 WO03014961 A3 WO 03014961A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- methods
- locus
- distance
- efficient filtering
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0261—Non linear filters
- H03H17/0263—Rank order filters
Abstract
An apparatus and method for filtering data that include retrieving a plurality of data samples from memory; computing a locus of the samples; computing a distance between an input value and the locus; comparing the distance between the input value and the locus with a first threshold value; applying a distance-based filter to the samples; and comparing an output value of the median filter with a second threshold value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02709729.4A EP1415239B1 (en) | 2001-08-07 | 2002-02-26 | Methods for efficient filtering of data |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31077301P | 2001-08-07 | 2001-08-07 | |
US60/310,773 | 2001-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003014961A2 WO2003014961A2 (en) | 2003-02-20 |
WO2003014961A3 true WO2003014961A3 (en) | 2003-04-24 |
Family
ID=23204030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/006060 WO2003014961A2 (en) | 2001-08-07 | 2002-02-26 | Methods for efficient filtering of data |
Country Status (3)
Country | Link |
---|---|
US (1) | US7152081B2 (en) |
EP (1) | EP1415239B1 (en) |
WO (1) | WO2003014961A2 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4390569B2 (en) * | 2004-01-19 | 2009-12-24 | 株式会社ミツトヨ | Signal processing apparatus and measuring machine |
US20060224571A1 (en) * | 2005-03-30 | 2006-10-05 | Jean-Michel Leon | Methods and systems to facilitate searching a data resource |
US7328105B1 (en) * | 2005-05-04 | 2008-02-05 | Yazaki North America, Inc. | Electronic compass and related heading filter method |
US9065727B1 (en) | 2012-08-31 | 2015-06-23 | Google Inc. | Device identifier similarity models derived from online event signals |
JP2009512233A (en) * | 2005-06-06 | 2009-03-19 | ルートロン エレクトロニクス カンパニー インコーポレイテッド | Lighting and motor control system |
US8321490B2 (en) * | 2005-07-28 | 2012-11-27 | Analog Devices, Inc. | Instruction-based parallel median filtering |
US20070027944A1 (en) * | 2005-07-28 | 2007-02-01 | James Wilson | Instruction based parallel median filtering processor and method |
EP2103915B1 (en) * | 2008-03-17 | 2016-11-16 | Siemens Aktiengesellschaft | Apparatus and method for determining a resonant frequency of a wind turbine tower |
GB2465158A (en) * | 2008-11-05 | 2010-05-12 | Sony Corp | Image data filtering |
US9116675B2 (en) * | 2009-10-26 | 2015-08-25 | Jadavpur University | System and method to identify a median value |
CN102291107A (en) * | 2010-06-18 | 2011-12-21 | 中兴通讯股份有限公司 | Method and device for realizing multi-path comparison by using digital circuit |
US9053185B1 (en) | 2012-04-30 | 2015-06-09 | Google Inc. | Generating a representative model for a plurality of models identified by similar feature data |
US8914500B1 (en) | 2012-05-21 | 2014-12-16 | Google Inc. | Creating a classifier model to determine whether a network user should be added to a list |
US8886575B1 (en) | 2012-06-27 | 2014-11-11 | Google Inc. | Selecting an algorithm for identifying similar user identifiers based on predicted click-through-rate |
US8874589B1 (en) | 2012-07-16 | 2014-10-28 | Google Inc. | Adjust similar users identification based on performance feedback |
US20200202383A1 (en) * | 2018-12-21 | 2020-06-25 | The Nielsen Company (Us), Llc | Methods, systems, articles of manufacture and apparatus to determine advertisement campaign effectiveness using covariate matching |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07105365A (en) * | 1993-08-31 | 1995-04-21 | Sony Corp | Device for eliminating isolated point |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4868773A (en) * | 1985-03-15 | 1989-09-19 | Purdue Research Foundation | Digital filtering by threshold decomposition |
US4953145A (en) * | 1988-09-30 | 1990-08-28 | Honeywell Inc. | Active phase quieting target highlight detector |
DE59008261D1 (en) * | 1990-03-23 | 1995-02-23 | Itt Ind Gmbh Deutsche | Median filter. |
JPH05216753A (en) | 1992-02-03 | 1993-08-27 | Nec Eng Ltd | Memory controller |
US5246670A (en) * | 1992-09-23 | 1993-09-21 | Habley Medical Technology Corporation | Pharmaceutical mixing container with buoyant mixing element |
GB9426273D0 (en) * | 1994-12-24 | 1995-02-22 | Cambridge Consultants | Improved data processing method and apparatus |
US6018750A (en) * | 1995-08-07 | 2000-01-25 | Motorola Inc. | Fast and efficient median search method and filter |
KR100221248B1 (en) * | 1996-07-08 | 1999-09-15 | 이민화 | Extensible median filter |
US5900006A (en) * | 1996-12-23 | 1999-05-04 | Daewoo Electronics Co., Ltd. | Median filtering method and apparatus using a plurality of processing elements |
KR100252728B1 (en) * | 1997-02-04 | 2000-04-15 | 이민화 | Circular median filter |
US6199084B1 (en) * | 1998-09-09 | 2001-03-06 | Hitachi America, Ltd. | Methods and apparatus for implementing weighted median filters |
-
2002
- 2002-02-26 EP EP02709729.4A patent/EP1415239B1/en not_active Expired - Fee Related
- 2002-02-26 WO PCT/US2002/006060 patent/WO2003014961A2/en active Application Filing
- 2002-02-26 US US10/085,254 patent/US7152081B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07105365A (en) * | 1993-08-31 | 1995-04-21 | Sony Corp | Device for eliminating isolated point |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 07 31 August 1995 (1995-08-31) * |
Also Published As
Publication number | Publication date |
---|---|
WO2003014961A2 (en) | 2003-02-20 |
US20030033336A1 (en) | 2003-02-13 |
EP1415239B1 (en) | 2019-06-19 |
EP1415239A2 (en) | 2004-05-06 |
US7152081B2 (en) | 2006-12-19 |
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