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Issue title: Proceedings of the tenth International Symposium on Applied Electromagnetics and Mechanics ISEM-Tokyo
Article type: Research Article
Authors: Li, Huia | xTakei, Yoshifurub | Saito, Yoshifuruc | Horii, Kiyoshid
Affiliations: [a] Department of Mechanical Engineering, Kagoshima University, 1-21-40, Korimoto, Kagoshima 890-0065, Japan. Tel.: +81 99 285 8252; Fax: +81 99 250 3181; E-mail: [email protected] | [b] Department of Mechanical Engineering, Nihon University, 1-8-14, Kanda Surugadai, Chiyoda-ku, Tokyo 101, Japan. Tel.: +81 3 3259 0749; Fax: +81 3 3293 8254; E-mail: [email protected] | [c] Department of Electrical & Electonic Engineering, Hosei University, 3-7-2, Kajino, Koganei, Tokyo 184, Japan. Tel.: +81 42 387 6200; Fax: +81 42 387 6200; Email: [email protected] | [d] Shirayuri Women's College 1-25, Modorigaoka, Chofu-shi, Tokyo 182, Japan. Tel.: +81 3 3326 7604; Fax: +81 3 3793 7461; E-mail: [email protected]
Abstract: Our motive of this study is to develop an application of the wavelet packet to PIV image compression processing in order to improve the spatial resolution and reliability furthermore. It was found that the reconstructed PIV image with a lower compression ratio might emphasize particle edges at a relatively high spatial resolution. The reconstructed PIV image with a higher compression ratio may display the large-scale motion of particles and may deduce noisy. In this study, the relative error of the wavelet packet image compression technique was lower than that of the standard wavelet image compression technique. The higher compression ratio of 64:1 can be realized without losing significant flow information in PIV processing. It could say that the wavelet packet could provide a better compression performance than the standard wavelet image compression technique when compressing PIV images.
DOI: 10.3233/JAE-2002-471
Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 15, no. 1-4, pp. 383-392, 2002
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