Three-dimensional reconstruction of pulmonary blood vessels by using anatomical knowledge base

Noriko Inaoka; Hideo Suzuki; Masaki Mori; Hirotsugu Takabatake; Akira Suzuki

doi:10.1117/12.44279

1 July 1991 Three-dimensional reconstruction of pulmonary blood vessels by using anatomical knowledge base

Noriko Inaoka, Hideo Suzuki, Masaki Mori, Hirotsugu Takabatake, Akira Suzuki

Proceedings Volume 1450, Biomedical Image Processing II; (1991) https://doi.org/10.1117/12.44279
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

Abstract

This paper presents a knowledge-based method for automatic reconstruction and recognition of pulmonary blood vessels from chest x-ray CT images with 10-mm thickness. The system has four main stages: (1) automatic extraction and segmentation of blood vessel components from each 2-D image, (2) analysis of these components, (3) a search for points connecting blood vessel segments in different CT slices, using a knowledge base for 3-D reconstruction, and (4) object manipulation and display. The authors also describe a method of representing 3-D anatomical knowledge of the pulmonary blood vessel structure. The edges of blood vessels in chest x-ray images are unclear, in contrast to those in angiograms. Each CT slice has thickness, and blood vessels are slender, so a simple graphical display, which can be used for bone tissues from CT images, is not sufficient for pulmonary blood vessels. It is therefore necessary to use anatomical knowledge to track the blood vessel lines in 3-D spaces. Experimental results using actual images of a normal adult male has shown that utilizing anatomical information enables one to improve processing efficiency and precision, such as blood vessel extraction and searching for connecting points.

Citation Download Citation

Noriko Inaoka, Hideo Suzuki, Masaki Mori, Hirotsugu Takabatake, and Akira Suzuki "Three-dimensional reconstruction of pulmonary blood vessels by using anatomical knowledge base", Proc. SPIE 1450, Biomedical Image Processing II, (1 July 1991); https://doi.org/10.1117/12.44279

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