CA2119272A1 - Video merging employing pattern-key insertion - Google Patents

Video merging employing pattern-key insertion

Info

Publication number
CA2119272A1
CA2119272A1 CA002119272A CA2119272A CA2119272A1 CA 2119272 A1 CA2119272 A1 CA 2119272A1 CA 002119272 A CA002119272 A CA 002119272A CA 2119272 A CA2119272 A CA 2119272A CA 2119272 A1 CA2119272 A1 CA 2119272A1
Authority
CA
Canada
Prior art keywords
pattern
key insertion
detected
video
transformed
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
CA002119272A
Other languages
French (fr)
Other versions
CA2119272C (en
Inventor
Keith James Hanna
Peter Jeffrey Burt
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.)
David Sarnoff Research Center Inc
Original Assignee
Keith James Hanna
Peter Jeffrey Burt
David Sarnoff Research Center, Inc.
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 Keith James Hanna, Peter Jeffrey Burt, David Sarnoff Research Center, Inc. filed Critical Keith James Hanna
Publication of CA2119272A1 publication Critical patent/CA2119272A1/en
Application granted granted Critical
Publication of CA2119272C publication Critical patent/CA2119272C/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
    • H04N5/222—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
    • H04N5/2723—Insertion of virtual advertisement; Replacing advertisements physical present in the scene by virtual advertisement
    • 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
    • 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
    • H04N5/275—Generation of keying signals

Abstract

Disclosed is a technique for deriving a composite video image by merging foreground and background video image data supplied from a plurality of separate video signal sources employing pattern-key insertion, rather than prior-art color-key insertion, for this purpose.
Pattern-key insertion involves replacing a first pattern (202) in a video scene (204A) with a second pattern (204B). This is accomplished by first detecting the first pattern (202) in the video scene and estimating the pose of this detected first pattern with respect to a reference object in the video scene. The second pattern is then geometrical-ly transformed using the pose estimate of the detected first pattern. Finally, the detected first pattern is replaced with the geometrically-transformed second pattern.
CA002119272A 1991-09-18 1992-09-10 Video merging employing pattern-key insertion Expired - Fee Related CA2119272C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB919119964A GB9119964D0 (en) 1991-09-18 1991-09-18 Pattern-key video insertion
GB9119964.6 1991-09-18
PCT/US1992/007498 WO1993006691A1 (en) 1991-09-18 1992-09-10 Video merging employing pattern-key insertion

Publications (2)

Publication Number Publication Date
CA2119272A1 true CA2119272A1 (en) 1993-04-01
CA2119272C CA2119272C (en) 2001-11-20

Family

ID=10701629

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002119272A Expired - Fee Related CA2119272C (en) 1991-09-18 1992-09-10 Video merging employing pattern-key insertion

Country Status (10)

Country Link
US (2) US5566251A (en)
EP (1) EP0604572B1 (en)
JP (1) JP3242406B2 (en)
KR (1) KR100271384B1 (en)
AU (1) AU663731B2 (en)
CA (1) CA2119272C (en)
DE (1) DE69223155T2 (en)
ES (1) ES2110010T3 (en)
GB (1) GB9119964D0 (en)
WO (1) WO1993006691A1 (en)

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US5923791A (en) 1999-07-13
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