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:
Apr. 04, 2000
Filed:
Jun. 09, 1998
David John Muzilla, Mukwonago, WI (US);
Christopher J Gilling, Pewaukee, WI (US);
Xiao-Liang Xu, Naperville, IL (US);
Other;
Abstract
Methods and apparatus for reducing the amount of computation required by nonlinear operations in medical ultrasound imaging by using lower-order polynomials to approximate the nonlinear functions. The method can be applied to envelope detection, phase detection, logarithmic compression and other nonlinear functions. Various pre-processing techniques (e.g., pre-reducing the data range and pre-dividing an entire range of the input into a number of subranges) can optionally be used prior to the polynomial approximation to achieve better accuracy, further reduce the polynomial order, and/or simplify the implementation.
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