Could this algorithm also be applied to 3D data?
It might possibly be useful to apply it to three-dimensional data
from numerical simulations that got some numerical noise as
some postprocessing step prior to feature extraction.

Werner

On Thu, 15 Mar 2007 23:20:54 -0500, ebressert <ebressert@...> wrote:

> Recently, a new algorithm based on anisotropic PDE's has been
> released. The algorithm is written in C++ and is open source. You can
> find the program, GREYCstoration, at
> http://www.greyc.ensicaen.fr/~dtschump/greycstoration/ .
>
> The algorithm does quite well with denoising images while keeping the
> structure of an object intact. The results are comparable to wavelet
> smoothing processes that are found in other applications like MATLAB.
>
> In addition, the program utilizes the algorithm to process a function
> called 'inpainting' to erase observational artifacts. This can
> significantly ease the process of cleaning up an image.
>
> The third function of the GREYCstoration program is resizing. The
> program appears to resize images comparable and sometimes better than
> cubic functions. For examples of its abilities visit
> http://www.greyc.ensicaen.fr/~dtschump/greycstoration/demonstration.html
> . If you would like to see some astronomy examples visit
> http://hea-www.harvard.edu/~ascpub/greyc/ . All the images have the
> originals placed on the left hand side and the processed images on the
> right.
>
> We'd like to start some discussion on this, send any feedback, or
> ideas on this algorithm.
>
>
> ~Eli
>
>
>
>
> --------------------- Chandra X-ray Center ----------------------
> Eli Bressert, Science Imager
> http://chandra.harvard.edu
>
> Harvard-Smithsonian Center for Astrophysics
> 60 Garden St. MS-67, Cambridge, MA 02138
> -------------------------------------------------------------------
>
>



--
___________________________________________________________________________
Dr. Werner Benger <werner@...> Visualization Research
Laboratory for Creative Arts and Technology (LCAT)
Center for Computation & Technology at Louisiana State University (CCT/LSU)
300 Frey CSC, Baton Rouge, Louisiana 70803 Tel.: +1 225 578 7150
or +1 225 334 2357 Fax.: +1 225 578-5362

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Here we have to deal with three dimensions, although we can only see two
of them: height, direction and velocity." (Kiefer Sutherland as flight
attendance in 'Collision Course: Panic in the Tower')