AU2001287219A1 - Method and apparatus for interface-progressive video conversion - Google Patents

Method and apparatus for interface-progressive video conversion

Info

Publication number
AU2001287219A1
AU2001287219A1 AU2001287219A AU8721901A AU2001287219A1 AU 2001287219 A1 AU2001287219 A1 AU 2001287219A1 AU 2001287219 A AU2001287219 A AU 2001287219A AU 8721901 A AU8721901 A AU 8721901A AU 2001287219 A1 AU2001287219 A1 AU 2001287219A1
Authority
AU
Australia
Prior art keywords
video
field
pulldown
video material
fields
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.)
Abandoned
Application number
AU2001287219A
Inventor
Che Wing Tang
Dung Duc Troung
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.)
RGB Systems Inc
Original Assignee
RGB Systems 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 RGB Systems Inc filed Critical RGB Systems Inc
Publication of AU2001287219A1 publication Critical patent/AU2001287219A1/en
Abandoned 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
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/012—Conversion between an interlaced and a progressive signal
    • 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
    • H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard

Abstract

A method and apparatus for detecting and correcting motion artifacts in interlaced video signal converted for progressive video display. A correction is applied where interlaced video material is determined to originate from film source, thereby having been converted to video using a process known as 3-2 pulldown. Where the video material is not a result of the 3-2 pulldown process, a check is made for the presence of “pixel motion” so that corrections may be applied to smooth out the pixel motion. To determine 3-2 pulldown or field motion, a video field is compared to the field prior to the previous field to generate field error. Field errors are generated for five consecutive fields and a local minimum error repeated every five fields indicate the origination of the video material from film source using the 3-2 pulldown process. Upon confirmation of 3-2 pulldown, the video material is modified to correct for the mixing of two film frames into one interlaced video frame by assuring that the two fields of the de-interlaced video frame contain data from the same film frame. Where the video material did not originate from a film source, but pixel motion is detected, the pixel motion is smoothed out by an averaging method. The odd and even fields of the resulting video data are subsequently combined to form a progressive video material.
AU2001287219A 2000-12-14 2001-08-29 Method and apparatus for interface-progressive video conversion Abandoned AU2001287219A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09738281 2000-12-14
US09/738,281 US6839094B2 (en) 2000-12-14 2000-12-14 Method and apparatus for eliminating motion artifacts from video
PCT/US2001/041929 WO2002049347A1 (en) 2000-12-14 2001-08-29 Method and apparatus for interface-progressive video conversion

Publications (1)

Publication Number Publication Date
AU2001287219A1 true AU2001287219A1 (en) 2002-06-24

Family

ID=24967342

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001287219A Abandoned AU2001287219A1 (en) 2000-12-14 2001-08-29 Method and apparatus for interface-progressive video conversion

Country Status (9)

Country Link
US (2) US6839094B2 (en)
EP (1) EP1342368B1 (en)
JP (1) JP4947874B2 (en)
CN (1) CN100593321C (en)
AT (1) ATE522085T1 (en)
AU (1) AU2001287219A1 (en)
CA (1) CA2429934C (en)
MX (1) MXPA03005288A (en)
WO (1) WO2002049347A1 (en)

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Also Published As

Publication number Publication date
US20050062891A1 (en) 2005-03-24
US6839094B2 (en) 2005-01-04
JP2004516719A (en) 2004-06-03
CN1484914A (en) 2004-03-24
CA2429934C (en) 2010-11-09
CN100593321C (en) 2010-03-03
EP1342368A1 (en) 2003-09-10
MXPA03005288A (en) 2003-10-24
WO2002049347A1 (en) 2002-06-20
CA2429934A1 (en) 2002-06-20
EP1342368B1 (en) 2011-08-24
ATE522085T1 (en) 2011-09-15
US20020075412A1 (en) 2002-06-20
JP4947874B2 (en) 2012-06-06
US7738037B2 (en) 2010-06-15

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