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:
Mar. 03, 1998
Filed:
Jun. 14, 1996
Moriel S NessAiver, Baltimore, MD (US);
Picker International, Inc., Highland Heights, OH (US);
Abstract
A surface coil (26) is positioned against a subject in the image region to detect emanating radio frequency resonance signals. The detected signals are processed (52) into a magnetic resonance images representing the image region which include an image value for each of an array of pixel coordinates. There is a large change in magnitude between image values of pixels corresponding to the coil and adjacent pixels. Magnitudes and directions of pixel value change gradients are calculated (60) from the image values corresponding to pixels in each of a first set of magnetic resonance image slices representing axial and transaxial slices through the surface coil. A coordinate calculator (62) calculates image region coordinates corresponding to segments of the surface coil. From the image region coordinates of the surface coil segments, a surface coil sensitivity calculator (92) calculates coil sensitivity which is in turn used to enhance (94) the reconstructed images.