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.
Patent No.:
Date of Patent:
Aug. 23, 1988
Filed:
Nov. 24, 1986
Mohammad-Reza Haghiri, Fontenay-aux-Roses, FR;
U.S. Philips Corp., New York, NY (US);
Abstract
Method of and device for estimating motion in a picture sequence, for use in compression of information to be transmitted or registered are disclosed. The method consists of: preserving the preceding picture with respect to the current picture; defining tree groups for the elements classified in fixed elements, moving elements and exposed elements, in which groups the elements are classified with a delay of L elements according to scanning of the picture; constructing a classification tree whose 3.sup.L branches correspond to the sequence of possible groups for the L successive elements of the picture sequence; associating with each branch, a displacement vector representative of the possible displacement of the element with respect to the picture or to the preceding line and, a cumulated distortion representative of the cumulative sum of the classification errors of the preceding elements; in accordance with this procedure relating to L elements, taking a decision concerning the group and concerning the vector of the element situated L elements earlier.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile