Report #4 on stereo errors: 3D quality does matter

Graphics & Media Lab of MSU continues to work on VQMT3D (Video Quality Measurement Tool 3D) Project. The project’s aim is to improve stereoscopic films. The Lab intends to provide a reliable quality-assessment tool and therefore to help filmmakers and conversion studios to produce high-quality 3D video.
The first three reports on stereoscopic errors in 3D films have been published earlier this year. Now the Lab presents the 4th evaluation results of 5 S3D films, captured with stereoscopic camera systems.

The main errors in 3D films, causing headache and eye-strain:
[LIST]
[*]excessive horizontal disparity
[*]vertical disparity
[*]color mismatch
[*]sharpness mismatch
[/LIST]

Example of vertical disparity mismatch

Fabien Remblier (S3D and 4K Director, Stereographer, Producer) commented on the problem:
“This problem is real and we must be keenly aware of it. Most headaches come from vertical disparities. Correcting them is simpler now because almost all stereoscopic correction tools include a specific function. But we can’t trust these tools 100%; a final check is necessary.”

Analysed films:
[LIST=1]
[*]A Very Harold & Kumar 3D Christmas (2011)
[*]Pina (2011)
[*]Resident Evil: Retribution (2012)
[*]Step Up Revolution (2012)
[*]The Amazing Spiderman (2012)
[/LIST]

The report is free downloadable for all industry professionals. We are open for your comments, ideas and proposals to cooperate. Together we can make the S3D video quality better.