3-D display of the wall motion for regional cardiac muscle from ultrasonic B-mode image -Wall motion of thickness, thickening rate using contour of inner and outer wall

Soohyo Yang, Shinji Tsuruoka, Tsuyoshi Shinogi, Hiroharu Kawanaka, Wataru Oyama, Fumitaka Kimura, Tetsushi Wakabayashi, Kiyotsugu Sekioka

Research output: Contribution to conferencePaper

Abstract

We have developed extracting the inner and outer valls of the cardiac muscle from a set of ultrasonic B-mode images. In this paper, we propose a new 3-D (radius, angle and time) display method of the motion function on the inner vall to evaluate the motion of the myocardium objectively. Its method displays the time transition of a cardiac vall during one cardiac cycle, and it is colored the thickness or the thickening rate of the myocardium on the surface of the 3-D object. The inner and outer valls of the heart are extracted from a set of ultrasonic B-mode Images. We implemented 3-D display system using C language and DirectX 3D in MS-Windows. We calculate the position of the points for 3-D display from the contour lines of the cardiac muscle by the cubic spline curve. The curve connects smoothly between one point and the other one point. And we found the thickness and thickening rate by using the contour lines of the cardiac muscle. We define the thickness by the shortest distance between the outer wall and the inner wall, and we calculate the thickness rate from the obtained thickness. We add the rotation view of the 3-D object to see the every side of myocardium. We confirmed the usefulness of our 3-D display.

Original languageEnglish
Pages6-12
Number of pages7
DOIs
Publication statusPublished - Dec 1 2006
Externally publishedYes
Event2006 International Conference on Hybrid Information Technology, ICHIT 2006 - Cheju Island, Korea, Republic of
Duration: Nov 9 2006Nov 11 2006

Other

Other2006 International Conference on Hybrid Information Technology, ICHIT 2006
CountryKorea, Republic of
CityCheju Island
Period11/9/0611/11/06

All Science Journal Classification (ASJC) codes

  • Media Technology

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