The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 09, 2002

Filed:

Jan. 27, 1999
Applicant:
Inventor:

Tsuyoshi Nishikawa, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/12 ; H04N 7/30 ;
U.S. Cl.
CPC ...
H04N 7/12 ; H04N 7/30 ;
Abstract

A motion vector estimation circuit includes an assigning element having a grouping part for dividing candidates in a search range into a plurality of groups, and a part for determining the order for accumulation being carried out preferentially from a group having a high possibility of including a true motion vector; an accumulating element for parallel inputting original image data and reference image data to accumulate an absolute value of a difference between both data according to the order determined by the assigning element; a circuit for comparing the output of the accumulating element with minimum-value information for management; a stopping element having a separate stop circuit for stopping operations of each of the accumulating circuits after detecting the minimum-value information; and a control element for controlling the accumulating element and the stopping element.


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