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Ultrasound imaging method using redundant synthetic aperture concepts

United States Patent Application

20020138004
A1
View the Complete Application at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A method for improving the resolution of ultrasound images using synthetic aperture concepts. A two-dimensional image is obtained using ultrasound imaging apparatus located at a first position outside the target area and at a predetermined distance from a center point within the target area. The imaging apparatus is then moved along an arc to a new position and another two-dimensional ultrasound image is obtained. This process is repeated through up to a full 360.degree. around the target area. Image data for each pixel is combined, calculated and transformed for all image positions to produce a highly resolved image of that pixel. The process is repeated for each pixel until all the pixels within the target area are fully resolved, thereby producing a complete, highly resolved over-all image.
Dickey, Fred M. (Albuquerque, NM), Doerry, Armin W. (Albuquerque, NM), Morimoto, Alan K. (Nashville, TN)
09/ 814,103
March 22, 2001
[0001] The United States Government has rights in this invention under a contract number DE-AC04-94AL85000 with the Department of Energy.