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:
May. 16, 2017
Filed:
Nov. 26, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Teruyoshi Washizawa, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A solution method for solving an underdetermined system of linear equations, in which the number of elements of a variable to be determined is N and the number of linear equations is M (where M and N are integers satisfying 1≦M<N), using iterative calculations, comprises, in each iteration: an extraction step of extracting at least M non-zero element candidates from the N elements of the variable; a subproblem solving step of setting a subproblem having only the extracted non-zero element candidates as a variable, and solving the subproblem as an ill-posed problem; and an updating step of updating values of the N elements of the variable to be determined on the basis of values of the non-zero element candidates obtained in the subproblem solving step.
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