DE3579103D1 - Videosignalverarbeitungskreise. - Google Patents

Videosignalverarbeitungskreise.

Info

Publication number
DE3579103D1
DE3579103D1 DE8585307536T DE3579103T DE3579103D1 DE 3579103 D1 DE3579103 D1 DE 3579103D1 DE 8585307536 T DE8585307536 T DE 8585307536T DE 3579103 T DE3579103 T DE 3579103T DE 3579103 D1 DE3579103 D1 DE 3579103D1
Authority
DE
Germany
Prior art keywords
data
sample
memory
video field
input
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
DE8585307536T
Other languages
English (en)
Inventor
David John Hedley
Morgan William Amos David
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
Application granted granted Critical
Publication of DE3579103D1 publication Critical patent/DE3579103D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/10—Geometric effects
    • G06T15/40—Hidden part removal
    • G06T15/405—Hidden part removal using Z-buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Graphics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
DE8585307536T 1984-10-31 1985-10-18 Videosignalverarbeitungskreise. Expired - Lifetime DE3579103D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08427479A GB2166316B (en) 1984-10-31 1984-10-31 Video signal processing circuits

Publications (1)

Publication Number Publication Date
DE3579103D1 true DE3579103D1 (de) 1990-09-13

Family

ID=10569008

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585307536T Expired - Lifetime DE3579103D1 (de) 1984-10-31 1985-10-18 Videosignalverarbeitungskreise.

Country Status (7)

Country Link
US (1) US4689677A (de)
EP (1) EP0180385B1 (de)
JP (1) JPH0797842B2 (de)
AT (1) ATE55528T1 (de)
CA (1) CA1251553A (de)
DE (1) DE3579103D1 (de)
GB (1) GB2166316B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679041A (en) * 1985-06-13 1987-07-07 Sun Microsystems, Inc. High speed Z-buffer with dynamic random access memory
GB2181929B (en) * 1985-10-21 1989-09-20 Sony Corp Methods of and apparatus for video signal processing
GB2207840B (en) * 1987-08-07 1991-09-25 Philips Electronic Associated Method of and apparatus for modifying data stored in a random access memory
US5038297A (en) * 1988-09-13 1991-08-06 Silicon Graphics, Inc. Method and apparatus for clearing a region of Z-buffer
EP0551251B1 (de) * 1988-09-13 1996-02-07 Silicon Graphics, Inc. Verfahren und vorrichtung zum auslöschen eines gebietes eines z-puffers
GB8822269D0 (en) * 1988-09-22 1988-10-26 Questech Ltd Improvements in & relating to production of digital video effects
US4947257A (en) * 1988-10-04 1990-08-07 Bell Communications Research, Inc. Raster assembly processor
JP2762502B2 (ja) * 1988-12-29 1998-06-04 ダイキン工業株式会社 立体表示方法およびその装置
US6314485B1 (en) * 1997-11-14 2001-11-06 Agere Systems Guardian Corp. Automatic status register
US10296088B2 (en) * 2016-01-26 2019-05-21 Futurewei Technologies, Inc. Haptic correlated graphic effects

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222048A (en) * 1978-06-02 1980-09-09 The Boeing Company Three dimension graphic generator for displays with hidden lines
US4317114A (en) * 1980-05-12 1982-02-23 Cromemco Inc. Composite display device for combining image data and method
US4439760A (en) * 1981-05-19 1984-03-27 Bell Telephone Laboratories, Incorporated Method and apparatus for compiling three-dimensional digital image information
US4475104A (en) * 1983-01-17 1984-10-02 Lexidata Corporation Three-dimensional display system
US4697178A (en) * 1984-06-29 1987-09-29 Megatek Corporation Computer graphics system for real-time calculation and display of the perspective view of three-dimensional scenes

Also Published As

Publication number Publication date
GB2166316B (en) 1987-10-28
GB2166316A (en) 1986-04-30
EP0180385A1 (de) 1986-05-07
EP0180385B1 (de) 1990-08-08
ATE55528T1 (de) 1990-08-15
JPH0797842B2 (ja) 1995-10-18
GB8427479D0 (en) 1984-12-05
US4689677A (en) 1987-08-25
JPS61116474A (ja) 1986-06-03
CA1251553A (en) 1989-03-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition