IT1224112B - Procedimento per l'estrazione in tempo reale dei punti caratteristici di un immagine televisiva e dispositivo per l'attuazione di tale procedimento - Google Patents

Procedimento per l'estrazione in tempo reale dei punti caratteristici di un immagine televisiva e dispositivo per l'attuazione di tale procedimento

Info

Publication number
IT1224112B
IT1224112B IT68313/82A IT6831382A IT1224112B IT 1224112 B IT1224112 B IT 1224112B IT 68313/82 A IT68313/82 A IT 68313/82A IT 6831382 A IT6831382 A IT 6831382A IT 1224112 B IT1224112 B IT 1224112B
Authority
IT
Italy
Prior art keywords
procedure
implementation
real time
characteristic points
television image
Prior art date
Application number
IT68313/82A
Other languages
English (en)
Other versions
IT8268313A0 (it
Inventor
Richard Christian
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of IT8268313A0 publication Critical patent/IT8268313A0/it
Application granted granted Critical
Publication of IT1224112B publication Critical patent/IT1224112B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N5/142—Edging; Contouring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding

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)
  • Image Analysis (AREA)
  • Picture Signal Circuits (AREA)
IT68313/82A 1981-11-13 1982-11-09 Procedimento per l'estrazione in tempo reale dei punti caratteristici di un immagine televisiva e dispositivo per l'attuazione di tale procedimento IT1224112B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8121321A FR2640452B1 (fr) 1981-11-13 1981-11-13 Procede d'extraction en temps reel de points caracteristiques d'une image de television et dispositif pour la mise en oeuvre de ce procede

Publications (2)

Publication Number Publication Date
IT8268313A0 IT8268313A0 (it) 1982-11-09
IT1224112B true IT1224112B (it) 1990-09-26

Family

ID=9263987

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68313/82A IT1224112B (it) 1981-11-13 1982-11-09 Procedimento per l'estrazione in tempo reale dei punti caratteristici di un immagine televisiva e dispositivo per l'attuazione di tale procedimento

Country Status (4)

Country Link
DE (1) DE3241560C1 (it)
FR (1) FR2640452B1 (it)
GB (1) GB2228159B (it)
IT (1) IT1224112B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9020082D0 (en) * 1990-09-14 1990-10-24 Crosfield Electronics Ltd Methods and apparatus for defining contours in coloured images
EP0609980B1 (en) * 1993-01-11 1999-07-14 Canon Kabushiki Kaisha Motion detection method and apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767847A (en) * 1971-07-01 1973-10-23 Bell Telephone Labor Inc Frame-to-frame redundancy reduction system which transmits an intraframe coded signal
US3716667A (en) * 1971-10-26 1973-02-13 Bell Telephone Labor Inc Apparatus for detecting the moving areas in a video signal
GB1511647A (en) * 1974-08-02 1978-05-24 Post Office Digital television system
FR2387557A1 (fr) * 1977-04-14 1978-11-10 Telediffusion Fse Systemes de reduction de visibilite du bruit sur des images de television
US4213150A (en) * 1978-04-21 1980-07-15 Northrop Corporation Real-time edge processing unit
JPS5666971A (en) * 1979-11-05 1981-06-05 Dainippon Screen Mfg Co Ltd Picture data compressing method

Also Published As

Publication number Publication date
GB2228159A (en) 1990-08-15
IT8268313A0 (it) 1982-11-09
GB2228159B (en) 1990-10-31
FR2640452B1 (fr) 1993-11-12
FR2640452A1 (fr) 1990-06-15
DE3241560C1 (de) 1990-09-20

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