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:
Jun. 08, 2004
Filed:
Oct. 25, 2001
Osamu Ozaki, Amagasaki, JP;
Mitsubishi Space Software Co., Ltd., Tokyo, JP;
Abstract
To prevent erroneous detection of a ribcage boundary from a chest image, an outer search limit point is decided with precision. A profile of smoothed pixel-value integrated averages in each of right and left lung field of the image is obtained, a threshold for each of the right and left lung fields with the profile taken as a reference is decided, and each of the right and left lung fields is searched from a central part of each lung field outwardly on the image so that a position exceeding the threshold is determined. The position is set as the outer search limit point for a series of a upper lung ribcage boundary candidate points. In the search, in cases the position exceeding the threshold is not found, a first derivative of the profile is used to decide the outer search limit point.