Multimedia Exposition

Video and multimedia contributions are sought for the 24th Multimedia Exposition in Computational Geometry, a part of CG Week 2015. This event showcases the use of visualization in computational geometry for exposition and education, for visual exploration of geometry in research, and as an interface and a debugging tool in software development. Algorithm animations, visual explanations of structural theorems, descriptions of applications of computational geometry, demonstrations of software systems, and games that illustrate concepts from computational geometry are all appropriate. There are no limitations on creativity, anything that leverages the possibilities of multimedia to enlighten and entertain the viewer while learning about computational geometry will do. This includes rendered animation, films with narrators and/or actors, and interactive stories.

We seek submissions of high quality, judged by how well they exploit the creative possibilities of their respective formats. That is, a screencast of static slides with some voice-over will hardly do.

Important Dates

February 13, 2015:Video and multimedia submissions due
March 9, 2015:Notification of acceptance/rejection of videos/multimedia
March 23, 2015:Camera-ready versions due for papers and video abstracts
April 30, 2015:Final versions due for videos/multimedia

Quality Issues

For videos, a length of three to five minutes is usually ideal; ten minutes is the upper limit. For the final version, we require video in 720P or better, using H.264. The embedded audio stream should be AAC of at least 128kBit/s. Telephone-sounding audio (limited frequency range, noise) or live rooms, as often recorded with cheap headsets, must be avoided, as well as speakers with too heavy accent.

There are no general guidelines for other content. Interactive applications (e.g., HTML5, Flash, AIR, Java, etc.) should have a "demo" mode where the algorithm runs on its own. They should be submitted as a distributable package.

To conserve resources, please try to keep your submission at a reasonable size. The program committee may recode the submission at a lower quality to reduce the space requirements. Authors are free to post higher quality versions on their own web sites, and we will include links in the electronic proceedings to their version, in addition to the official version archived on

It is strongly encouraged to contact the PC well in advance to

  1. discuss the quality of a video submission (based on sample files) or
  2. to present your non-video idea and how it could be reviewed, presented, and distributed.


Submissions should be deposited online where they are accessible through the web or via FTP. A video submission should play trouble-free on programs like VLC Media Player. For ease of sharing and viewing, we encourage (but do not require) that each video submission be uploaded to YouTube (not necessarly publicly visible), and that the corresponding URL be included with the submission.

Each submission should include a three-page description of the material shown in the presentation, and where applicable, the techniques used in the implementation. This three-page description must be formatted according to the guidelines for the conference proceedings, using the LIPIcs format. Please refer to the LIPIcs typesetting instructions and the lipics.cls LaTeX style file.

Send a mail to the committee chair, Wolfgang Mulzer ( by February 13, 2015, 23:59 (UTC-12), with the following information:

  • The names and institutions of the authors.
  • The email address of the corresponding author.
  • Instructions for downloading the submission.
  • If available: the link to the YouTube video.
  • The PDF abstract.

We explicitly encourage video/multimedia submissions that support papers submitted to the Symposium on Computational Geometry. However, submitted papers and associated video/multimedia submissions will be treated entirely separately by the respective committees: acceptance or rejection of one will not influence acceptance or rejection of the other. Authors will be notified of acceptance or rejection, and given reviewers' comments, by March 09, 2015. For each accepted submission, the final version of the 3-page textual description will be due by March 23, 2015 for inclusion in the proceedings. Final versions of accepted video/multimedia presentations will be due April 30, 2015.