WO2003102868A3 - Classifying image areas of a video signal - Google Patents

Classifying image areas of a video signal Download PDF

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Publication number
WO2003102868A3
WO2003102868A3 PCT/US2003/016877 US0316877W WO03102868A3 WO 2003102868 A3 WO2003102868 A3 WO 2003102868A3 US 0316877 W US0316877 W US 0316877W WO 03102868 A3 WO03102868 A3 WO 03102868A3
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WO
WIPO (PCT)
Prior art keywords
image areas
base layer
video signal
coupled
standard definition
Prior art date
Application number
PCT/US2003/016877
Other languages
French (fr)
Other versions
WO2003102868A2 (en
Inventor
Diego Garrido
Richard Webb
Simon Butler
Chad Fogg
Original Assignee
Pixonics Inc
Diego Garrido
Richard Webb
Simon Butler
Chad Fogg
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 Pixonics Inc, Diego Garrido, Richard Webb, Simon Butler, Chad Fogg filed Critical Pixonics Inc
Priority to AU2003237279A priority Critical patent/AU2003237279A1/en
Publication of WO2003102868A2 publication Critical patent/WO2003102868A2/en
Publication of WO2003102868A3 publication Critical patent/WO2003102868A3/en

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Abstract

A method of enhancing picture quality of a video signal is disclosed. The method comprises the steps of receiving base layer images of standard definition pictures from a base layer decoder; defining image areas of the standard definition pictures; classifying image areas into image types by assigning a class number; and generating enhanced pictures based upon the standard definition pictures and the classification of the image areas. A circuit for enhancing picture quality of a video signal is also disclosed. The circuit comprising a base layer decoder (1110); a classifier (1120) coupled to the base layer decoder, the classifier generating a class number for image areas of a standard definition picture; a summing circuit (1140) coupled to the classifier; an exchange stream decoder coupled to the summing circuit, the exchange stream decoder generating an index; and a code book table coupled to the summing circuit.
PCT/US2003/016877 2002-05-29 2003-05-28 Classifying image areas of a video signal WO2003102868A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003237279A AU2003237279A1 (en) 2002-05-29 2003-05-28 Classifying image areas of a video signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38404702P 2002-05-29 2002-05-29
US60/384,047 2002-05-29

Publications (2)

Publication Number Publication Date
WO2003102868A2 WO2003102868A2 (en) 2003-12-11
WO2003102868A3 true WO2003102868A3 (en) 2004-04-08

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Family Applications (4)

Application Number Title Priority Date Filing Date
PCT/US2003/016877 WO2003102868A2 (en) 2002-05-29 2003-05-28 Classifying image areas of a video signal
PCT/US2003/017001 WO2003103289A1 (en) 2002-05-29 2003-05-28 Maintaining a plurality of codebooks related to a video signal
PCT/US2003/016830 WO2003103178A1 (en) 2002-05-29 2003-05-28 Video interpolation coding
PCT/US2003/016781 WO2003103288A1 (en) 2002-05-29 2003-05-28 Predictive interpolation of a video signal

Family Applications After (3)

Application Number Title Priority Date Filing Date
PCT/US2003/017001 WO2003103289A1 (en) 2002-05-29 2003-05-28 Maintaining a plurality of codebooks related to a video signal
PCT/US2003/016830 WO2003103178A1 (en) 2002-05-29 2003-05-28 Video interpolation coding
PCT/US2003/016781 WO2003103288A1 (en) 2002-05-29 2003-05-28 Predictive interpolation of a video signal

Country Status (3)

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US (8) US7386049B2 (en)
AU (4) AU2003237289A1 (en)
WO (4) WO2003102868A2 (en)

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