JP4143288B2 - メディアンフィルタ処理装置 - Google Patents

メディアンフィルタ処理装置 Download PDF

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Publication number
JP4143288B2
JP4143288B2 JP2001353231A JP2001353231A JP4143288B2 JP 4143288 B2 JP4143288 B2 JP 4143288B2 JP 2001353231 A JP2001353231 A JP 2001353231A JP 2001353231 A JP2001353231 A JP 2001353231A JP 4143288 B2 JP4143288 B2 JP 4143288B2
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JP
Japan
Prior art keywords
pixel data
sorted
value
median
sorting
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Expired - Fee Related
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JP2001353231A
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Japanese (ja)
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JP2003150957A5 (https=
JP2003150957A (ja
Inventor
竜彦 山崎
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2001353231A priority Critical patent/JP4143288B2/ja
Priority to US10/292,457 priority patent/US7050647B2/en
Publication of JP2003150957A publication Critical patent/JP2003150957A/ja
Publication of JP2003150957A5 publication Critical patent/JP2003150957A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
JP2001353231A 2001-11-19 2001-11-19 メディアンフィルタ処理装置 Expired - Fee Related JP4143288B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001353231A JP4143288B2 (ja) 2001-11-19 2001-11-19 メディアンフィルタ処理装置
US10/292,457 US7050647B2 (en) 2001-11-19 2002-11-13 Median filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001353231A JP4143288B2 (ja) 2001-11-19 2001-11-19 メディアンフィルタ処理装置

Publications (3)

Publication Number Publication Date
JP2003150957A JP2003150957A (ja) 2003-05-23
JP2003150957A5 JP2003150957A5 (https=) 2005-07-14
JP4143288B2 true JP4143288B2 (ja) 2008-09-03

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JP2001353231A Expired - Fee Related JP4143288B2 (ja) 2001-11-19 2001-11-19 メディアンフィルタ処理装置

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US (1) US7050647B2 (https=)
JP (1) JP4143288B2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8903190B2 (en) 2010-09-28 2014-12-02 Samsung Electronics Co., Ltd. Median filtering method and apparatus

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004030366A (ja) * 2002-06-27 2004-01-29 Sharp Corp フィルタ装置、データ駆動型情報処理装置、フィルタ方法、フィルタプログラムおよびフィルタプログラムを記録した機械読取り可能な記録媒体
JP2004334545A (ja) * 2003-05-08 2004-11-25 Olympus Corp フィルタ回路
US7711203B2 (en) * 2004-06-09 2010-05-04 Broadcom Corporation Impulsive noise removal using maximum and minimum neighborhood values
JP2007233623A (ja) * 2006-02-28 2007-09-13 Rarugo:Kk データ比較処理回路およびその集積回路および画像処理装置
US8051120B2 (en) * 2008-04-10 2011-11-01 International Business Machines Corporation Circuit and design structure for a streaming digital data filter
US8171069B2 (en) * 2008-04-10 2012-05-01 International Business Machines Corporation Streaming digital data filter
CN103312939A (zh) * 2012-03-14 2013-09-18 富士通株式会社 中值滤波装置和方法
US9031349B1 (en) * 2013-06-06 2015-05-12 The Mathworks, Inc. Median filter for image processing
US10523596B1 (en) * 2015-02-06 2019-12-31 Xilinx, Inc. Circuits for and methods of merging streams of data to generate sorted output data
CN106445886A (zh) * 2016-08-31 2017-02-22 温州长江汽车电子有限公司 用于车载传感器电压信号滤波的算法
CN108958702B (zh) * 2017-05-27 2021-01-15 华为技术有限公司 一种排序网络、排序方法及排序装置
CN115984150A (zh) * 2022-12-12 2023-04-18 上海集成电路研发中心有限公司 图像处理方法、装置和介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441165A (en) * 1981-09-28 1984-04-03 Hughes Aircraft Company Real-time ordinal-value filters utilizing complete intra-data comparisons
US4513440A (en) * 1982-06-29 1985-04-23 Harris Corporation Hardware median filter
DE3322705A1 (de) * 1983-06-24 1985-01-10 Fa. Carl Zeiss, 7920 Heidenheim Verfahren und schaltungsanordnung zur videoschnellen bestimmung des medianwertes eines auswertefensters
US4713786A (en) * 1985-02-15 1987-12-15 Harris Corporation Digital hardware selection filter
US6546148B1 (en) * 1997-07-14 2003-04-08 California Institute Of Technology Circuitry for determining median of image portions
US6058405A (en) * 1997-11-06 2000-05-02 Motorola Inc. SIMD computation of rank based filters for M×N grids
JP4323663B2 (ja) * 2000-02-29 2009-09-02 キヤノン株式会社 画像フィルタ回路及び画像フィルタリング方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8903190B2 (en) 2010-09-28 2014-12-02 Samsung Electronics Co., Ltd. Median filtering method and apparatus

Also Published As

Publication number Publication date
US20030095718A1 (en) 2003-05-22
US7050647B2 (en) 2006-05-23
JP2003150957A (ja) 2003-05-23

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