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A combined local-global optical flow approach for cranial ultrasonogram image sequence analysis

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4 Author(s)
Ahmad, M. ; Dept. of Electr. & Electron. Eng., Khulna Univ. of Eng. & Technol., Khulna ; Taslima, T. ; Lata, L. ; Yamada, M.

Tissue-motions can represent the strength of artery pulsation of a newborn baby for pediatrics diagnosis. In this paper, we propose a novel method to estimate the tissue-motion quantitatively by combining local and global motion estimation methods, namely combined local-global (CLG) optical flow technique in cranial ultrasonogram of newborn babies. Tissue motions are estimated in different coronal sections successfully. Further, we analyze the time variant tissue-motion by using discrete Fourier transform. We also observed the pulsation in the time variant motion images and strong pulsation is observed in the harmonic frequency of tissue-motion that has a relation to the heartbeat frequency of a newborn baby.

Published in:

Computer and Information Technology, 2008. ICCIT 2008. 11th International Conference on

Date of Conference:

24-27 Dec. 2008

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