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Characterization of Trabecular Bone Structure using 2D Fourier Transform and Fractal Analysis

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ÀÌ°ÇÀÏ/Keon Il Lee

Abstract

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analysis¿¡¼­ 90ºÐ°£ ŻȸµÈ ½ÃÆí¿¡¼­ÀÇ fractal dimensionÀÌ ´ëÁ¶±º¿¡ ºñÇØ À¯ÀÇÇÏ°Ô ÀÛ¾Ò
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The purpose of this study was to investigate whether a radiographic estimate of
osseous fractal dimension and power spectrum of 2D discrete Fourier transform is useful
in the characterization of structural changes in bone. ten specimens of bone were
decalcified in fresh 50 §¢ solutions of 0.1 N hydrochloric acid at cummulative timed
periods of 0 and 90 minutes, and radiographed from 0 degree projection angle controlled
by intraoral parelleling device.
I performed one-dimensional variance, fractal analysis of bony profiles and 2D discrete
Fourier transform. The results of this study indicate that variance and fractal dimension
of scan line pixel intensites decreased significantly in decalcified groups but Fourier
spectral analysis didn't discriminate well between control and decalcified specimens.

Å°¿öµå

Fourier transform; Fractal Dimension; osteoporosis; bone;

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