CA2311076A1 - A motion detection circuit and a noise suppression circuit including the same - Google Patents

A motion detection circuit and a noise suppression circuit including the same Download PDF

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Publication number
CA2311076A1
CA2311076A1 CA002311076A CA2311076A CA2311076A1 CA 2311076 A1 CA2311076 A1 CA 2311076A1 CA 002311076 A CA002311076 A CA 002311076A CA 2311076 A CA2311076 A CA 2311076A CA 2311076 A1 CA2311076 A1 CA 2311076A1
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CA
Canada
Prior art keywords
signal
interframe difference
motion
video signal
output
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.)
Granted
Application number
CA002311076A
Other languages
French (fr)
Other versions
CA2311076C (en
Inventor
Noriyoshi Kato
Keiji Toyoda
Yukio Fujita
Toshiyuki Sano
Misa Kasahara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CA2311076A1 publication Critical patent/CA2311076A1/en
Application granted granted Critical
Publication of CA2311076C publication Critical patent/CA2311076C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/254—Analysis of motion involving subtraction of images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection
    • H04N5/145—Movement estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
  • Image Analysis (AREA)

Abstract

An interframe difference signal is generated from the video signal and its one-frame delayed video signal. A
filter removes a carrier color signal from the interframe difference signal to output the interframe difference luminance signal. A first motion judging circuit judges a motion in the video signal at a target pixel from the interframe difference luminance signal to output a first motion judging result in accordance with a first edge detection signal. A second motion judging circuit judges a motion in the video signal at the target pixel from a luminance signal and the carrier signal in the interframe difference signal to output a second motion judging result in accordance with a second edge detection circuit. The first and second motion judging results are combined. A
majority determining circuit determines majority of the combined result from adjacent Q pixels in accordance with a third edge detection signal. A circular signal generation circuit generates a coefficient K according to the result of the majority determining circuit. The interframe difference signal is multiplied with k to generate a circulation signal. A subtractor subtracts the circulation signal from the video signal to generate an output video signal of which noise is suppressed.
CA 2311076 1999-06-21 2000-06-09 A motion detection circuit and a noise suppression circuit including the same Expired - Fee Related CA2311076C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17382199A JP3340976B2 (en) 1999-06-21 1999-06-21 Motion detection circuit and noise reduction device
JP11-173821 1999-06-21

Publications (2)

Publication Number Publication Date
CA2311076A1 true CA2311076A1 (en) 2000-12-21
CA2311076C CA2311076C (en) 2008-03-18

Family

ID=15967784

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2311076 Expired - Fee Related CA2311076C (en) 1999-06-21 2000-06-09 A motion detection circuit and a noise suppression circuit including the same

Country Status (5)

Country Link
US (1) US6459734B1 (en)
EP (1) EP1063849A1 (en)
JP (1) JP3340976B2 (en)
CN (1) CN1170421C (en)
CA (1) CA2311076C (en)

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* Cited by examiner, † Cited by third party
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JP3653450B2 (en) * 2000-07-17 2005-05-25 三洋電機株式会社 Motion detection device
JP2002185862A (en) * 2000-12-15 2002-06-28 Mega Chips Corp Noise elimination method for image signal
JP3792149B2 (en) * 2001-11-12 2006-07-05 任天堂株式会社 Image processing apparatus and image processing program
US7127121B1 (en) * 2002-03-20 2006-10-24 Ess Technology, Inc. Efficient implementation of a noise removal filter
KR100522607B1 (en) * 2003-07-15 2005-10-19 삼성전자주식회사 Apparatus and method for executing adaptive video signal processing according to noise condition
CN100356798C (en) * 2003-12-30 2007-12-19 凌阳科技股份有限公司 Mobile sensing method for three-dimensional comb type filtering video signal decoder
JP4457346B2 (en) * 2004-11-12 2010-04-28 ノーリツ鋼機株式会社 Image noise removal method
CN100407766C (en) * 2004-12-07 2008-07-30 索尼株式会社 Method and apparatus for processing image, recording medium and computer program
TWI336595B (en) * 2005-05-19 2011-01-21 Mstar Semiconductor Inc Noise reduction method
JP4693546B2 (en) * 2005-08-19 2011-06-01 株式会社東芝 Digital noise reduction apparatus and method, and video signal processing apparatus
GB2430736A (en) * 2005-09-30 2007-04-04 Sony Uk Ltd Image processing
US7924345B2 (en) * 2005-10-20 2011-04-12 Broadcom Corp. Method and system for deinterlacing using polarity change count
JP2007241479A (en) * 2006-03-06 2007-09-20 Toshiba Corp Variable area detecting device and method thereof
JP2008160419A (en) * 2006-12-22 2008-07-10 Sanyo Electric Co Ltd Motion detector
JP4311457B2 (en) 2007-02-15 2009-08-12 ソニー株式会社 Motion detection device, motion detection method, imaging device, and monitoring system
KR101474311B1 (en) * 2008-01-15 2014-12-18 삼성전자주식회사 Method of obtaining variance data or standard deviation data for reducing noise, and digital photographing apparatus comprising recording medium storing variance data or standard deviation data for reducing noise
EP2538657A4 (en) * 2010-02-15 2014-01-01 Sharp Kk Motion detection device, control programme, and integrated circuit
CN103546743A (en) * 2012-07-13 2014-01-29 鸿富锦精密工业（深圳）有限公司 Video signal abnormality detection device
KR102143618B1 (en) 2014-01-17 2020-08-11 삼성전자주식회사 Method for controlling a frame rate and an electronic device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0191586A (en) * 1987-10-02 1989-04-11 Nippon Hoso Kyokai <Nhk> Moving detection circuit
US5276521A (en) * 1990-07-30 1994-01-04 Olympus Optical Co., Ltd. Solid state imaging device having a constant pixel integrating period and blooming resistance
JP2934036B2 (en) 1991-03-07 1999-08-16 松下電器産業株式会社 Motion detection method and noise reduction device
JP2924430B2 (en) * 1991-04-12 1999-07-26 三菱電機株式会社 Motion compensated predictive coding apparatus and motion compensated predictive decoding apparatus
US5497203A (en) * 1991-10-30 1996-03-05 Mitsubishi Denki Kabushiki Kaisha Motion detection circuit for high definition television based on muse
JPH05174148A (en) * 1991-12-26 1993-07-13 Sony Corp Motion detecting circuit
JPH06351002A (en) * 1993-06-08 1994-12-22 Matsushita Electric Ind Co Ltd Motion signal detecting method and video signal processor using the same
JPH07131676A (en) 1993-10-28 1995-05-19 Toshiba Corp Movement detecting circuit
US5539469A (en) * 1994-12-30 1996-07-23 Daewoo Electronics Co., Ltd. Apparatus for determining motion vectors through the use of an adaptive median filtering technique
JPH0981754A (en) 1995-09-19 1997-03-28 Matsushita Electric Ind Co Ltd Movement detecting circuit
JPH09163373A (en) * 1995-12-08 1997-06-20 Toshiba Corp Noise reduction device
US5838828A (en) 1995-12-12 1998-11-17 Massachusetts Institute Of Technology Method and apparatus for motion estimation in a video signal
JP3240936B2 (en) * 1996-09-30 2001-12-25 日本電気株式会社 Motion processing circuit
US6061100A (en) * 1997-09-30 2000-05-09 The University Of British Columbia Noise reduction for video signals

Also Published As

Publication number Publication date
CA2311076C (en) 2008-03-18
US6459734B1 (en) 2002-10-01
JP3340976B2 (en) 2002-11-05
CN1278687A (en) 2001-01-03
CN1170421C (en) 2004-10-06
JP2001008228A (en) 2001-01-12
EP1063849A1 (en) 2000-12-27

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