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:
Sep. 12, 2017

Filed:

Jan. 16, 2014
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Hirofumi Taki, Kyoto, JP;

Kenichi Nagae, Yokohama, JP;

Toru Sato, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 8/00 (2006.01); G01S 7/52 (2006.01); G01S 15/89 (2006.01); A61B 8/14 (2006.01); A61B 8/08 (2006.01);
U.S. Cl.
CPC ...
A61B 8/54 (2013.01); A61B 8/14 (2013.01); A61B 8/5207 (2013.01); G01S 7/52047 (2013.01); G01S 15/8915 (2013.01); A61B 8/0891 (2013.01);
Abstract

Provided is an object information acquiring apparatus including elements with which an acoustic wave is transmitted to and received from an object and converted into a plurality of received signals, a processor that acquires a power intensity signal of the inside of the object, and a corrector that corrects the power intensity signal, the processor being configured to calculate correlation values of frequency components, perform frequency average processing on a correlation matrix that is a set of the plurality of calculated correlation values to acquire a first power intensity signal, and reduce variance of elements in the diagonal direction of the correlation matrix to acquire a second power intensity signal, and the corrector being configured to output a power intensity signal subjected to correction processing.


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