DE69818986D1 - Zeitgewichtiges kompensiertes medianfiltergerät und verfahren - Google Patents

Zeitgewichtiges kompensiertes medianfiltergerät und verfahren

Info

Publication number
DE69818986D1
DE69818986D1 DE69818986T DE69818986T DE69818986D1 DE 69818986 D1 DE69818986 D1 DE 69818986D1 DE 69818986 T DE69818986 T DE 69818986T DE 69818986 T DE69818986 T DE 69818986T DE 69818986 D1 DE69818986 D1 DE 69818986D1
Authority
DE
Germany
Prior art keywords
contemporary
filter device
median filter
compensated
compensated median
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69818986T
Other languages
English (en)
Other versions
DE69818986T2 (de
Inventor
Anthony Schooler
David Kang
John Rinderknecht
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of DE69818986D1 publication Critical patent/DE69818986D1/de
Application granted granted Critical
Publication of DE69818986T2 publication Critical patent/DE69818986T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE69818986T 1997-10-31 1998-07-02 Zeitgewichtiges kompensiertes medianfiltergerät und verfahren Expired - Fee Related DE69818986T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US961480 1997-10-31
US08/961,480 US6115727A (en) 1997-10-31 1997-10-31 Time-weighted trimmed-mean filtering apparatus and method
PCT/US1998/013873 WO1999023547A1 (en) 1997-10-31 1998-07-02 Time-weighted trimmed-mean filtering apparatus and method

Publications (2)

Publication Number Publication Date
DE69818986D1 true DE69818986D1 (de) 2003-11-20
DE69818986T2 DE69818986T2 (de) 2004-05-19

Family

ID=25504527

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69818986T Expired - Fee Related DE69818986T2 (de) 1997-10-31 1998-07-02 Zeitgewichtiges kompensiertes medianfiltergerät und verfahren

Country Status (5)

Country Link
US (1) US6115727A (de)
EP (1) EP0974088B1 (de)
DE (1) DE69818986T2 (de)
ES (1) ES2209168T3 (de)
WO (1) WO1999023547A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004164565A (ja) * 2002-09-26 2004-06-10 Yokogawa Electric Corp 数値検索装置および数値検索方法
US6847882B2 (en) * 2003-05-15 2005-01-25 Visteon Global Technologies, Inc. Misfire detection system and method of median filtering
US9759116B2 (en) 2013-10-29 2017-09-12 Continental Automotive Systems, Inc. Method and apparatus for detecting selective catalytic reduction injector opening time
US9453488B2 (en) 2013-10-29 2016-09-27 Continental Automotive Systems, Inc. Direct injection solenoid injector opening time detection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3322705A1 (de) * 1983-06-24 1985-01-10 Fa. Carl Zeiss, 7920 Heidenheim Verfahren und schaltungsanordnung zur videoschnellen bestimmung des medianwertes eines auswertefensters
US5144568A (en) * 1987-05-26 1992-09-01 Sundstrand Corporation Fast median filter
US5044194A (en) * 1990-08-24 1991-09-03 Ford Motor Company Misfire detection in an internal combustion engine
US5426785A (en) * 1993-03-25 1995-06-20 The United States Of America As Represented By The Secretary Of The Air Force Comparator stack architecture for order statistic filtering of digital imagery
US5515720A (en) * 1994-07-25 1996-05-14 Motorola, Inc. Acceleration based misfire detection system and method with improved signal fidelity
US5708595A (en) * 1995-03-03 1998-01-13 Motorola Inc. Efficient median filter and method therefor
US6018750A (en) * 1995-08-07 2000-01-25 Motorola Inc. Fast and efficient median search method and filter

Also Published As

Publication number Publication date
EP0974088A1 (de) 2000-01-26
EP0974088A4 (de) 2001-05-23
WO1999023547A1 (en) 1999-05-14
EP0974088B1 (de) 2003-10-15
ES2209168T3 (es) 2004-06-16
US6115727A (en) 2000-09-05
DE69818986T2 (de) 2004-05-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee