Particle Sizing and Tracking by using Digital Analysis
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Abstract
A new digital method for sizing particle and tracking its position from particle holograms is proposed. In our proposed method, the hologram is recorded on a CCD sensor. The digitized holograms are analyzed by using a combination of wavelet transform (WT) and a reconstruction of envelope function. The experimental results show that the error of measuring particle size is slightly higher than the error of measuring position. This is caused by speckle noise. The system limitation of the method is presented.
Keywords: holography, image processing
Corresponding author: E-mail: cast@kmitl.ac.th
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