文件列表:

frit_toolbox\afrit.m (1265, 2001-11-18)
frit_toolbox\bestdir.m (1467, 2001-11-18)
frit_toolbox\bfrit.m (1036, 2003-12-01)
frit_toolbox\bfrit_demo.m (248, 2003-12-01)
frit_toolbox\col_entropy.m (650, 2001-11-18)
frit_toolbox\compare_denoise.m (2664, 2003-12-01)
frit_toolbox\compare_nla.m (939, 2003-12-01)
frit_toolbox\compress.m (608, 2001-11-18)
frit_toolbox\dwtc.m (1000, 2001-11-18)
frit_toolbox\fold2.m (145, 2001-11-18)
frit_toolbox\frat.m (1118, 2001-11-18)
frit_toolbox\fratc.c (3245, 2001-11-18)
frit_toolbox\fratc.dll (7168, 2003-12-01)
frit_toolbox\fratc.mexglx (7522, 2001-11-18)
frit_toolbox\fratc.mexlx (6654, 2001-11-18)
frit_toolbox\fratc.mexmac (8760, 2003-12-01)
frit_toolbox\fratc.mexsol (6196, 2001-11-18)
frit_toolbox\fratf.m (1155, 2001-11-18)
frit_toolbox\fratfd.m (910, 2001-11-18)
frit_toolbox\frit.m (1173, 2001-11-18)
frit_toolbox\fritdemo.m (2791, 2003-12-01)
frit_toolbox\fritfd.m (1431, 2001-11-18)
frit_toolbox\fritm.m (3150, 2001-11-18)
frit_toolbox\fritm_mov.m (1403, 2001-11-18)
frit_toolbox\frito.m (2403, 2001-11-18)
frit_toolbox\frit_nla.m (1271, 2003-12-01)
frit_toolbox\iafrit.m (1257, 2001-11-18)
frit_toolbox\ibfrit.m (770, 2003-12-01)
frit_toolbox\idwtc.m (1234, 2001-11-18)
frit_toolbox\ifrat.m (1051, 2001-11-18)
frit_toolbox\ifratc.c (3524, 2001-11-18)
frit_toolbox\ifratc.dll (7168, 2003-12-01)
frit_toolbox\ifratc.mexglx (7555, 2001-11-18)
frit_toolbox\ifratc.mexlx (6727, 2001-11-18)
frit_toolbox\ifratc.mexmac (8760, 2003-12-01)
frit_toolbox\ifratc.mexsol (6176, 2001-11-18)
frit_toolbox\ifratf.m (1245, 2001-11-18)
frit_toolbox\ifratfd.m (994, 2001-11-18)
frit_toolbox\ifrit.m (630, 2001-11-18)
frit_toolbox\ifritfd.m (1144, 2001-11-18)
... ...

Finite Ridgelet Transform Toolbox (FRIT) - Version 1.0 ------------------------------------------------------ FRIT is a Matlab toolbox that implements the finite ridgelet transforms. The transform algorithms implemented in this toolbox are based on the following papers: 1. M. N. Do and M. Vetterli, "Orthogonal finite ridgelet transform for image compression", IEEE International Conference on Image Processing (ICIP), Vancouver, Canada, September 2000. 2. M. N. Do and M. Vetterli, "Image denoising using orthonormal finite ridgelet transform", Proc. of SPIE Conf. on Wavelet Applications in Signal and Image Processing VIII, San Diego, USA, August 2000. 3. M. N. Do and M. Vetterli, "The finite image transform for image representation", IEEE Transactions on Image Processing, January 2003. The following invertible transforms are provided in the toolbox: FRAT Finite Radon transform. FRATC The MEX file (may need to be compiled before the first use) that does the actual computation of the FRAT. FRATF Finite Radon transform. This version use FFT2 and is 100% in Matlab but slower than FRAT. FRIT Finite ridgelet transform. This is the general version of the finite ridgelet transform. FRITO Orthonormal finite ridgelet transform. There are additional restrictions on the image size and number of wavelet decomposition levels. FRITM Orthonormal finite ridgelet transform mixed with DCT. Same restriction as for FRITO. FRATFD Folded finite Radon transform. FRITFD Folded finite ridgelet transform AFRIT Adaptive finite ridgelet transform. BFRIT Block finite ridgelet transform (test version!) The inverse transforms for those are I___, for example IFRIT. The script file FRITDEMO contains examples on how to use some of these functions. In addition, the files COMPARE_NLA and COMPARE_DENOISE compare the performance of the FRIT against other traditional transforms and produce images that included in the above papers. This toolbox requires the Wavelet Toolbox by MathWorks. It has been tested on the Matlab Version 6.1 and the Wavelet Toolbox Version 2.1. To use the toolbox, before the first run, the two C programs FRATC and IFRATC may have to be complied into mex files. That means, from the Matlab command window, type: mex fratc.c mex ifratc.c We provide pre-compiled mex files for several platforms. Comments, suggestions, or questions can be sent to: minh.do@ieee.org http://www.ifp.uiuc.edu/~minhdo Swiss Federal Institute of Technology, Lausanne, November 2001. University of Illinois at Urbana-Champaign, November 2003.

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