GB2205707B - Television standards converters - Google Patents

Television standards converters

Info

Publication number
GB2205707B
GB2205707B GB8728446A GB8728446A GB2205707B GB 2205707 B GB2205707 B GB 2205707B GB 8728446 A GB8728446 A GB 8728446A GB 8728446 A GB8728446 A GB 8728446A GB 2205707 B GB2205707 B GB 2205707B
Authority
GB
United Kingdom
Prior art keywords
television standards
standards converters
converters
television
standards
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 - Lifetime
Application number
GB8728446A
Other versions
GB8728446D0 (en
GB2205707A (en
Inventor
Clive Henry Gillard
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of GB8728446D0 publication Critical patent/GB8728446D0/en
Priority to DE3851718T priority Critical patent/DE3851718T2/en
Priority to EP88304617A priority patent/EP0294959B1/en
Priority to US07/199,681 priority patent/US4862266A/en
Priority to JP63142354A priority patent/JPS64877A/en
Priority to KR1019880006899A priority patent/KR970002696B1/en
Publication of GB2205707A publication Critical patent/GB2205707A/en
Application granted granted Critical
Publication of GB2205707B publication Critical patent/GB2205707B/en
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
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • H04N7/014—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes involving the use of motion vectors
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • 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
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/877—Regeneration of colour television signals by assembling picture element blocks in an intermediate memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/89—Time-base error compensation
    • H04N9/896—Time-base error compensation using a digital memory with independent write-in and read-out clock generators
GB8728446A 1987-06-09 1987-12-04 Television standards converters Expired - Lifetime GB2205707B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE3851718T DE3851718T2 (en) 1987-06-09 1988-05-20 TV standard converter.
EP88304617A EP0294959B1 (en) 1987-06-09 1988-05-20 Television standards converters
US07/199,681 US4862266A (en) 1987-06-09 1988-05-31 Television standards converters
JP63142354A JPS64877A (en) 1987-06-09 1988-06-09 Television system converter
KR1019880006899A KR970002696B1 (en) 1987-06-09 1988-06-09 Television standard converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878713454A GB8713454D0 (en) 1987-06-09 1987-06-09 Television standards converters

Publications (3)

Publication Number Publication Date
GB8728446D0 GB8728446D0 (en) 1988-01-13
GB2205707A GB2205707A (en) 1988-12-14
GB2205707B true GB2205707B (en) 1991-09-04

Family

ID=10618609

Family Applications (3)

Application Number Title Priority Date Filing Date
GB878713454A Pending GB8713454D0 (en) 1987-06-09 1987-06-09 Television standards converters
GB8728446A Expired - Lifetime GB2205707B (en) 1987-06-09 1987-12-04 Television standards converters
GB8728452A Expired - Lifetime GB2205713B (en) 1987-06-09 1987-12-04 Motion compensated interpolation of digital television images

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878713454A Pending GB8713454D0 (en) 1987-06-09 1987-06-09 Television standards converters

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8728452A Expired - Lifetime GB2205713B (en) 1987-06-09 1987-12-04 Motion compensated interpolation of digital television images

Country Status (2)

Country Link
KR (2) KR0138120B1 (en)
GB (3) GB8713454D0 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2231226B (en) * 1989-04-27 1993-09-22 Sony Corp Motion dependent video signal processing
GB2240684B (en) * 1990-02-06 1994-02-23 Sony Corp Digital signal interpolation
GB2264020B (en) * 1992-01-31 1995-10-25 Sony Broadcast & Communication Digital video signal processing
JPH08205027A (en) * 1995-01-31 1996-08-09 Sony Corp Multi-point interpolation circuit
KR0157566B1 (en) * 1995-09-30 1998-11-16 김광호 Interpolation method and apparatus for hdtv
US5793435A (en) * 1996-06-25 1998-08-11 Tektronix, Inc. Deinterlacing of video using a variable coefficient spatio-temporal filter
US6810081B2 (en) * 2000-12-15 2004-10-26 Koninklijke Philips Electronics N.V. Method for improving accuracy of block based motion compensation
AU2007237319B2 (en) * 2001-09-17 2011-01-20 Nokia Technologies Oy Method for sub-pixel value interpolation
US6950469B2 (en) * 2001-09-17 2005-09-27 Nokia Corporation Method for sub-pixel value interpolation
JP3596519B2 (en) * 2001-12-13 2004-12-02 ソニー株式会社 Image signal processing apparatus and method
JP3596521B2 (en) * 2001-12-13 2004-12-02 ソニー株式会社 Image signal processing apparatus and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129651A (en) * 1982-10-28 1984-05-16 Quantel Ltd Video processors
GB2162018A (en) * 1984-07-17 1986-01-22 Kokusai Denshin Denwa Co Ltd Moving picture frame rate conversion system
EP0187641A1 (en) * 1985-01-07 1986-07-16 Nippon Hoso Kyokai TV system conversion apparatus
GB2172171A (en) * 1985-03-04 1986-09-10 Kokusai Denshin Denwa Co Ltd Motion vector calculating system for detecting a moving object on a screen
EP0210862A2 (en) * 1985-07-26 1987-02-04 Sony Corporation Apparatus for compensating movement in a picture derived from a television signal
GB2188510A (en) * 1986-03-19 1987-09-30 British Broadcasting Corp Tv picture motion measurement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129651A (en) * 1982-10-28 1984-05-16 Quantel Ltd Video processors
GB2162018A (en) * 1984-07-17 1986-01-22 Kokusai Denshin Denwa Co Ltd Moving picture frame rate conversion system
EP0187641A1 (en) * 1985-01-07 1986-07-16 Nippon Hoso Kyokai TV system conversion apparatus
GB2172171A (en) * 1985-03-04 1986-09-10 Kokusai Denshin Denwa Co Ltd Motion vector calculating system for detecting a moving object on a screen
EP0210862A2 (en) * 1985-07-26 1987-02-04 Sony Corporation Apparatus for compensating movement in a picture derived from a television signal
GB2188510A (en) * 1986-03-19 1987-09-30 British Broadcasting Corp Tv picture motion measurement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WO A1 85/02080 *

Also Published As

Publication number Publication date
GB2205713A (en) 1988-12-14
GB2205713B (en) 1991-09-04
KR970002696B1 (en) 1997-03-08
GB8728446D0 (en) 1988-01-13
KR0138120B1 (en) 1998-05-15
KR890001386A (en) 1989-03-20
GB8713454D0 (en) 1987-07-15
GB8728452D0 (en) 1988-01-13
KR890001375A (en) 1989-03-20
GB2205707A (en) 1988-12-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20071203