An automatic 3D surface extraction in ultrasonic images

Author

Hao, Xiaohui ; Gao, Shangkai ; Gao, Xiaorong ; Xin, Yu ; Zhang, Tanghui

Author_Institution

Dept. of Electr. Eng., Tsinghua Univ., Beijing, China

Volume

2

fYear

1998

fDate

29 Oct-1 Nov 1998

Firstpage

857

Abstract

Presents an automatic 3D surface extraction method for ultrasonic images. In this technique, an image sequence is obtained along one axis of the 3D grid data. Based on the space continuity of the object, the region of interest (ROI) in each frame is determined by using a novel Polygon-based Tracking (PT) method. The edge in the ROI is then automatically extracted by the region growing technique, whose character vector is linearly constructed by the pixel value and the local entropy. Finally, the 3D surface is formed by recombination of the edges in a 2D image sequence. Experiments on water bubble ultrasonic images show that the new method is successful in detection of 3D surfaces

Keywords

biomedical ultrasonics; entropy; feature extraction; image sequences; medical image processing; vectors; 2D image sequence; 3D grid; 3D surfaces detection; automatic 3D surface extraction; character vector; edges recombination; local entropy; object space continuity; pixel value; polygon-based tracking method; region growing technique; region of interest edge; ultrasonic images; water bubble ultrasonic images; Data mining; Entropy; Image edge detection; Image reconstruction; Image segmentation; Image sequences; Shape; Speckle; Surface reconstruction; Ultrasonic transducers;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 1998. Proceedings of the 20th Annual International Conference of the IEEE

Conference_Location

Hong Kong

ISSN

1094-687X

Print_ISBN

0-7803-5164-9

Type

conf

DOI

10.1109/IEMBS.1998.745572

Filename

745572