Shading for Three-Dimensional Reconstruction from Sector Scanning Ultrasonic Image of Prostate

A method of shading is presented suitable for the three-dimensional reconstruction on the basis of unparallel two-dimensional section images obained from sector scanning when the ultrasonic detecting head is put in rectum.Seveal irregular models have been tested by use of the method mentioned above.The results are satisfactory.Finally,the shading graphs observed from different angles are given. The research outcome of this paper has laid a firm foundation and has made necessary reserve of key technologies for clinical practice.