Moving picture coding method and moving picture decoding method

US9197894B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9197894-B2
Application numberUS-201414315735-A
CountryUS
Kind codeB2
Filing dateJun 26, 2014
Priority dateOct 17, 2001
Publication dateNov 24, 2015
Grant dateNov 24, 2015

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Abstract

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A moving picture coding apparatus includes a counter unit which counts the number of pictures following an intra coded picture; and a motion estimation unit which compares respectively only reference pictures which are the intra coded picture or the following pictures, selected from among a reference picture Ref 1 , a reference picture Ref 2 and a reference picture Ref 3 stored in memories, with a picture signal, and determines the reference picture whose inter picture differential value is smallest.

First claim

Opening claim text (preview).

The invention claimed is: 1. A moving picture coding and decoding system which includes a moving picture coding apparatus which codes a moving picture and a moving picture decoding apparatus which decodes a coded picture, wherein in said moving picture coding apparatus, a picture is coded by one of an intra picture coding unit and an inter picture coding unit, and when a picture is coded by the inter picture coding unit, at least one of the following pictures is selected as a re…

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What does patent US9197894B2 cover?
A moving picture coding apparatus includes a counter unit which counts the number of pictures following an intra coded picture; and a motion estimation unit which compares respectively only reference pictures which are the intra coded picture or the following pictures, selected from among a reference picture Ref 1 , a reference picture Ref 2 and a reference picture Ref 3 stored in memories, w…
Who is the assignee on this patent?
Panasonic Ip Corp America
What technology area does this patent fall under?
Primary CPC classification H04N19/159. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).