کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4605708 | 1631331 | 2006 | 12 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Ridgelet bi-frame Ridgelet bi-frame](/preview/png/4605708.png)
This article introduces a new bi-frame called ridgelet bi-frame. The ridgelet bi-frame consists of two ridgelet frames that are dual to each other. The construction of the ridgelet bi-frame starts with a bi-frame built on a biorthogonal wavelet system in the Radon domain. The image of the resulting bi-frame under an isometric map from the Radon domain to L2(R2) is also a bi-frame, which we refer to as the ridgelet bi-frame. The ridgelet bi-frame can be thought of as an extension of the notion of the orthonormal ridgelet, which provides a more flexible and effective tool for image analysis and processing applications. An algorithm for image denoising based on the new bi-frame is developed. Experimental examples have demonstrated that the excellent performance can be achieved when using the ridgelet bi-frame for image denoising.
Journal: Applied and Computational Harmonic Analysis - Volume 20, Issue 3, May 2006, Pages 391-402