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Vol. 160, Issue 12, December 2013, pp. 329-335




Biological Subtle Motion Magnification Based on 3D Wavelet Transform
Yucai WEI, Shuhua XIONG, Liang LIU

Electronic Information Institute, Sichuan University, Chengdu 610065, China

E-mail: yucai.lw@gmail.com


Received: 7 October 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems


Abstract: This paper presents an amplification algorithm of subtle motion which reveals important aspects of the world. Our analysis is based on spatial and temporal projection of decomposition of the viewpoint video by using 3D wavelet transform, which is used to estimate the optimal scale and threshold function in order to extract the interested region. We discuss parameters of effect and estimate the threshold function by employing integral energy and maximum values of pixels. The results of the subtle motion magnification by using the optimal scale and threshold function have a good effect


Keywords: 3D wavelet transform, Spatial projection, Temporal projection, Threshold function, Subtle motion magnification.


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