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gianpaolo

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gianpaolo last won the day on July 31 2018

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About gianpaolo

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  1. gianpaolo

    How does RTI Viewer calculate Normal

    It is simply the stationary point of the paraboloid described by the 6 coefficients. The formula is described in the original PTM paper: http://www.hpl.hp.com/research/ptm/papers/ptm.pdf
  2. gianpaolo

    White balance and color space issues

    I have tested the file but I'm not able to find a computer to reproduce the problem. All computers that I tested show the image correctly. What are the features of your computer (CPU and GPU)?
  3. gianpaolo

    White balance and color space issues

    In order to be sure, if you save a snapshot with the tool of the viewer the image has the right color but the main window shows the problem. Do you have the possibility to share with us the RTI file? It can be very important to understand where is the problem.
  4. gianpaolo

    RTIViewer Internal format unknown

    As Carla says, the problem is the file that you try to open. Maybe it has been corrupted during the download or the creation. I use the viewer on Windows 8.1 without any problems. Can you share with me any other files that you are not able to open? Regards Gianpaolo
  5. gianpaolo

    New web-based viewer

    The viewer is currently used in a museum kiosk for the interactive presentation at the public of a coin collection. The kiosk is available online at the following link: http://vcg.isti.cnr.it/PalazzoBlu/ The first part presents the collection and the coins of the collection. Then for each coin there is the possibility to interact with the RTI images of observe and reserve. In addition to the standard interaction (pan, zoom and light) there is the possibility to flip the coin and to activate the visualization of some hotspots that give the possibility to read additional information about the most interesting details of the coin engraving. Regards Gianpaolo
  6. gianpaolo

    RTImeline

    Just a couple of other links to add at the Graeme's timeline. >> September 2010 Publication of "Dynamic Shading Enhancement for Reflectance Transformation Imaging " by Gianpaolo Palma, Massimiliano Corsini, Paolo Cignoni, Roberto Scopigno, Mark Mudge. New methods to improve the visualization of the RTI data by shading enhancement. http://vcg.isti.cnr.it/Publications/2010/PCCSM10/jocch2010.pdf >> March 2012 CAA2012 "Telling The Story Of Ancient Coins By Means Of Interactive RTI Images Visualization" by Gianpaolo Palma, Eliana Siotto, Marc Proesmans, Monica Baldassarri, Clara Baracchini, Sabrina Batino, Roberto Scopigno. An interactive web system for the presentation of a coin collection using storytelling criteria and RTI images. The first experimentation to expose the RTI manipulation at a different public (the public of a museum). http://dare.uva.nl/document/516092 (pp 177-185) >> September 2013 Opening of the kiosk for the interactive presentation of the coin collection of Palazzo Blu in PIsa. The kiosk is installed inside the museum and it is available online at the following link: http://vcg.isti.cnr.it/PalazzoBlu/ (it requires WebGL) >> December 2013 Release of the tool to publish and visualize high resolution RTI images on the web using WebGL. (tested with 24 Mpixel images) http://vcg.isti.cnr.it/~palma/dokuwiki/doku.php?id=research >> Regards Gianpaolo
  7. gianpaolo

    Mirador RTI Viewer Demonstration

    They use my library for the web RTI visualization (http://vcg.isti.cnr.it/~palma/dokuwiki/doku.php?id=research) without any kind of acknowledgement :-( . I think they have only integrated my code and changed the minimal GUI to interact with the image.
  8. gianpaolo

    New web-based viewer

    It is a simple web viewer to allow the visualization of RTIs on the web, in order to disseminate some results to a general public (no expert). For the advanced viewing options there is always the new version of the RTIViewer. In the future it could be extended but there is the problem that the available computational resources in the web browsers are limited
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