Design of digital Riesz fractional order differentiator
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- 作者：Chien-Cheng Tsenga ; tcc@nkfust.edu.tw" class="auth_mail ; Su-Ling Leeb ; lilee@mail.cjcu.edu.tw" class="auth_mail
- 关键词：Riesz fractional derivative ; Riesz potential ; Fractional order differentiator ; Fractional calculus ; Image sharpening
- 刊名：Signal Processing
- 出版年：September 2014
- 年：2014
- 卷：102
- 期：Complete
- 页码：32-45
- 全文大小：3461 K
文摘
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This is a research branch of fractional calculus and filter design.
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The closed-form designs of Riesz fractional order differentiator (FOD) are presented.
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The variable Riesz FOD is implemented by the Farrow structure.
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The Riesz FOD provides the better image quality than the conventional FOD in image sharpening applications.