Online Journal
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Journal of Medical Ultrasonics

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1992 - Vol.19

Vol.19 No.09

Original Article(原著)

(0640 - 0647)


Three Dimensional Display of Ultrasonic Images by Holography

秋山 いわき1, 佐藤 甲癸1, 伊東 紘一2

Iwaki AKIYAMA1, Koki SATO 1, Koichi ITOH2

1湘南工科大学電気工学科, 2自治医科大学臨床病理

1Department of Electrical Engineering, Shonan Institute of Technology, 2Department of Clinical Pathology, Jichi Medical School

キーワード : Three dimensional display, Human fetus, B-scan image, Holographic stereogram, Rainbow hologram

This paper describes a method using holographic stereogram for three dimensional display of ultrasonic images. The hologram features a comprehensible display of the three dimensional structures of tissues, portable recording media, and producible.of a large number of copies. This method is performed as follows. First, all of the B-scan images required for three dimensional imaging are taken and transferred into a computer using an A/D converter and a digital frame memory. The projection of the object onto a two dimensional screen is calculated using computer graphics, and the resulting images are then displayed on a monitor. A hologram is made from the films on which the projections as two-dimensional images are recorded. In this study we constructed an image processing system based on a unix computer. The hologram was made from the B-scan images of human fetus. The resulting hologram shows a comprehensible image for the three-dimensional contours of the fetus, although further study will be required to improve the image quality.