نتایج جستجو برای: wavelet transforms

تعداد نتایج: 57594  

Journal: :Journal of Nonlinear Mathematical Physics 2006

Journal: :Symposium - International Astronomical Union 1994

Journal: :International Journal of Wavelets, Multiresolution and Information Processing 2007

Journal: :IEEE Transactions on Information Theory 2017

Journal: :AL-Rafidain Journal of Computer Sciences and Mathematics 2007

Journal: :IEEE Trans. Signal Processing 2002
Amir Averbuch Valery A. Zheludev

We present new multiwavelet transforms of multiplicity 2 for manipulation of discrete-time signals. The transforms are implemented in two phases: 1) Pre (post)-processing, which transforms the scalar signal into a vector signal (and back) and 2) wavelet transforms of the vector signal. Both phases are performed in a lifting manner. We use the cubic interpolatory Hermite splines as a predicting ...

2003
Jiuchao Feng C. K. Michael Tse Yuhui Qiu

Based on the cubic B-spline curve, new Chinese fonts are generated by wavelet transforms in this paper. The outlines of Chinese fonts are first transformed into B-spline curves. Then, using wavelet transforms, the control points of each curve are decomposed into hierarchies containing the detailed features of the Chinese fonts. Using the synthesis procedure of wavelet transforms, new fonts can ...

2002
Jiu-chao Feng Chi K. Tse Yuhui Qiu

Based on the cubic B-spline curve, new Chinese fonts are generated by wavelet transforms in this paper. The outlines of Chinese fonts are first transformed into B-spline curves. Then, using wavelet transforms, the control points of each curve are decomposed into hierarchies containing the detailed features of the Chinese fonts. Using the synthesis procedure of wavelet transforms, new fonts can ...

2014
Tanuja K. Sarode Naveen Vaswani

With the help of various image editing tools available, it has become easier to alter an image in such a way that it does not leave behind any clues. Copy –Move forgery or also known as Region Duplication Forgery is a type of image forgery in which a part of digital image is copied and pasted to another part of same image. Since the copied and pasted image comes from the same image, it becomes ...

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