CA2001484A1 - Dispositif d'elimination d'echos - Google Patents

Dispositif d'elimination d'echos

Info

Publication number
CA2001484A1
CA2001484A1 CA2001484A CA2001484A CA2001484A1 CA 2001484 A1 CA2001484 A1 CA 2001484A1 CA 2001484 A CA2001484 A CA 2001484A CA 2001484 A CA2001484 A CA 2001484A CA 2001484 A1 CA2001484 A1 CA 2001484A1
Authority
CA
Canada
Prior art keywords
signal
value
criterion function
time
ghost
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
CA2001484A
Other languages
English (en)
Other versions
CA2001484C (fr
Inventor
Shigehiro Ito
Yuji Nishi
Tatsushi Kouguchi
Kazuyuki Ebihara
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of CA2001484A1 publication Critical patent/CA2001484A1/fr
Application granted granted Critical
Publication of CA2001484C publication Critical patent/CA2001484C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N5/211—Ghost signal cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
CA002001484A 1988-10-26 1989-10-25 Dispositif d'elimination d'echos Expired - Lifetime CA2001484C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-270042 1988-10-26
JP63270042A JP2532928B2 (ja) 1988-10-26 1988-10-26 ゴ―スト除去装置

Publications (2)

Publication Number Publication Date
CA2001484A1 true CA2001484A1 (fr) 1990-04-26
CA2001484C CA2001484C (fr) 1995-02-14

Family

ID=17480722

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002001484A Expired - Lifetime CA2001484C (fr) 1988-10-26 1989-10-25 Dispositif d'elimination d'echos

Country Status (3)

Country Link
US (1) US5053870A (fr)
JP (1) JP2532928B2 (fr)
CA (1) CA2001484C (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237415A (en) * 1989-04-27 1993-08-17 Victor Company Of Japan, Ltd. Ghost canceler with adaptive transversal filter
US5210607A (en) * 1990-05-14 1993-05-11 Hitachi, Ltd. Ghost reduction device for removing ghost components of a television signal
US5206727A (en) * 1990-05-18 1993-04-27 Victor Company Of Japan, Ltd. Television signal according to the signal-to-noise ratio of the television signal
JP2861282B2 (ja) * 1990-06-13 1999-02-24 ソニー株式会社 波形歪の検出回路
JPH04167678A (ja) * 1990-10-29 1992-06-15 Victor Co Of Japan Ltd ゴースト除去装置
US5331416A (en) * 1992-12-02 1994-07-19 Samsung Electronics Co., Ltd. Methods for operating ghost-cancelation circuitry for TV receiver or video recorder
TW231393B (fr) * 1992-12-02 1994-10-01 Samsung Electronics Co Ltd
US5386243A (en) * 1993-07-22 1995-01-31 Zoran Corporation Ghost signal cancellation system for television signals
DE19839644C2 (de) * 1998-08-31 2001-02-15 Siemens Ag Verfahren zur Entzerrung eines Farbfernsehsignals
WO2007001205A1 (fr) * 2005-06-29 2007-01-04 Intel Corporation Construction et egalisation d'un precodeur
US10929955B2 (en) 2017-06-05 2021-02-23 Adasky, Ltd. Scene-based nonuniformity correction using a convolutional recurrent neural network
US10511793B2 (en) 2017-06-05 2019-12-17 Adasky, Ltd. Techniques for correcting fixed pattern noise in shutterless FIR cameras
US10699386B2 (en) 2017-06-05 2020-06-30 Adasky, Ltd. Techniques for scene-based nonuniformity correction in shutterless FIR cameras
US11012594B2 (en) 2017-06-05 2021-05-18 Adasky, Ltd. Techniques for correcting oversaturated pixels in shutterless FIR cameras
EP3621850B1 (fr) 2017-06-05 2023-08-30 Adasky, Ltd. Caméra à infrarouge lointain (fir) sans obturateur pour systèmes de conduite et de sécurité automobiles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402013A (en) * 1981-04-06 1983-08-30 Rca Corporation Video signal analyzer
JPS6318813A (ja) * 1986-07-11 1988-01-26 Hitachi Ltd 巡回形適応フイルタ

Also Published As

Publication number Publication date
CA2001484C (fr) 1995-02-14
US5053870A (en) 1991-10-01
JPH02116269A (ja) 1990-04-27
JP2532928B2 (ja) 1996-09-11

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Legal Events

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