EP1579577A4

Apparatus and method for multiple description encoding

Abstract

Apparatus and method for generating multiple descriptions of compressed data is disclosed. In the apparatus and method, transform coefficients are generated from input data and quantized. An energy distribution of the quantized transform coefficients is generated. Based on the energy distribution, the transform coefficients are grouped into layers. By entropy coding different number of layers, multiple descriptions of compressed data are generated.

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Projected expiry passed 17 November 2023, 2.9 years ago.

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
EP0711079A2	Cites	European Patent Office (EPO)	A	Search report	1-28
US2002044602A1	Cites	United States of America	XA	Search report	1,4,7,9,11,13
US5107345A	Cites	United States of America	A	Search report	1,4,7,9,11,13,15,18,20,22,25,27
US5990957A	Cites	United States of America	XY	Search report	1,4,7,9,11,13
WO9959344A1	Cites	World Intellectual Property Organization (WIPO)	YA	Search report	15,18,20,22,25,27
WO9959344A	Cites	World Intellectual Property Organization (WIPO)	–	–	–
EP0711079A	Cites	European Patent Office (EPO)	–	–	–
PATENT ABSTRACTS OF JAPAN vol. 018, no. 608 (E - 1633) 18 November 1994 (1994-11-18)	Non-patent	–	–	Search report	–

50 members in 12 offices

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Priority claims3

Priority claims
Document	Office	Kind	Date
426887P	United States of America	–	2002-11-15
42688702	United States of America	P	2002-11-15
0336827	United States of America	W	2003-11-17

Members50

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Document	Office	Kind
CA2506102A1	Canada	A1	2004-06-03
WO2004046879A2	World Intellectual Property Organization (WIPO)	A2	2004-06-03
WO2004047425A2	World Intellectual Property Organization (WIPO)	A2	2004-06-03
AU2003291057A1	Australia	A1	2004-06-15
AU2003291058A1	Australia	A1	2004-06-15
US2004141091A1	United States of America	A1	2004-07-22
US2004141656A1	United States of America	A1	2004-07-22
WO2004047425A3	World Intellectual Property Organization (WIPO)	A3	2004-11-18
KR20050072487A	Republic of Korea	A	2005-07-11
KR20050074622A	Republic of Korea	A	2005-07-18
WO2004046879A3	World Intellectual Property Organization (WIPO)	A3	2005-08-25
EP1573469A2	European Patent Office (EPO)	A2	2005-09-14
EP1579577A2	European Patent Office (EPO)	A2	2005-09-28
EP1579577A4This record	European Patent Office (EPO)	A4	2006-01-18
CN1726644A	China	A	2006-01-25
JP2006506912A	Japan	A	2006-02-23
JP2006506913A	Japan	A	2006-02-23
CN1742436A	China	A	2006-03-01
US7061404B2	United States of America	B2	2006-06-13
US2006197691A1	United States of America	A1	2006-09-07
EP1573469A4	European Patent Office (EPO)	A4	2007-09-19
EP1942462A1	European Patent Office (EPO)	A1	2008-07-09
EP1579577B1	European Patent Office (EPO)	B1	2008-07-23
AT402523T	Austria	T	2008-08-15
ATE402523T1	Austria	T1	2008-08-15
DE60322433D1	Germany	D1	2008-09-04
ES2309379T3	Spain	T3	2008-12-16
EP1942462B1	European Patent Office (EPO)	B1	2009-04-15
AU2003291057B2	Australia	B2	2009-04-23
AT428997T	Austria	T	2009-05-15
ATE428997T1	Austria	T1	2009-05-15
DE60327273D1	Germany	D1	2009-05-28
ES2323334T3	Spain	T3	2009-07-13
US7561073B2	United States of America	B2	2009-07-14
US7564382B2	United States of America	B2	2009-07-21
CN100553151C	China	C	2009-10-21
CN1726644B	China	B	2010-04-28
AU2003291058B2	Australia	B2	2010-06-10
IL168511A	Israel	A	2010-06-30
JP4541896B2	Japan	B2	2010-09-08
AU2003291058C1	Australia	C1	2010-10-28
JP2010263657A	Japan	A	2010-11-18
KR101051903B1	Republic of Korea	B1	2011-07-26
KR101066051B1	Republic of Korea	B1	2011-09-20
EP1573469B1	European Patent Office (EPO)	B1	2011-10-05
AT527591T	Austria	T	2011-10-15
ATE527591T1	Austria	T1	2011-10-15
ES2371871T3	Spain	T3	2012-01-10
JP5021167B2	Japan	B2	2012-09-05
CA2506102C	Canada	C	2013-07-23

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Apparatus and method for multiple description encoding

Abstract

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Priority claims3

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