DEliverable 2.3 - the School of Engineering and Design - Brunel ...

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ICT Project 3D VIVANT– Deliverable 2.3 Contract no.: 248420 User Acceptance Validation Plan Table 2, cont.: Testplan End-Users Tests Month Methodology Location - Partners Testers Test Content Broadcast Hyperlinked 3D video M31 – M34 (September – November 2012) M31 – M34 (September – November 2012) End-Users: Complete Implemented Showcase Test Questionnaires, focus groups Questionnaires, task-centred testing, the thinking aloud method and observations Potsdam, RBB Potsdam, RBB Representative sample of show case service end-users Representative sample of show case service end-users Implemented showcase including 3D holoscopic video and 3D audio Implemented showcase including 3D hyperlinked video Two possible test scenarios for end-user visual tests, which should be reflected in the above table, are: i. How does the 3D holoscopic content compare to stereoscopic 3D content (generated using conventional stereoscopic technology); and ii. How does the stereoscopic content extracted from the 3D holoscopic content compare to stereo content generated using conventional stereoscopic technology. The importance of the second point is related to the fact that, if it can be shown that the stereoscopic 3D content extracted from 3D holoscopic content is comparable to stereoscopic content generated using conventional stereoscopic imaging techniques, then the production of 3D stereo becomes easier (i.e., no need for multiple cameras and calibration problems). Using computer generated content will be an easier option because it is possible to use the same models generated in 3ds Max ® and carry out the rendering using existing plug-in tools for stereoscopic and the plug-in tools developed by Brunel University for holoscopic content. Hence, the same content is generated and displayed by the two technologies. For real data, a concept which will allow the same content to be captured using the holoscopic camera and a pair of 2D cameras is needed. One way to achieve this is by using a motion control system and program a camera movement when capturing a static scene to simulate motion: 1st take will be with the 3D holoscopic camera and the 2nd take will be with a pair of stereo cameras. 5.2 TIME PLAN The time plan for the tests corresponds to the timing of Task 7.3 – “User Perception and Usability Testing”, which starts in project month 29 and continues until month 34. The exceptions are the tasks to be carried out by Brunel University on viewing and a small number of earlier tests at RBB focusing on the optimisation of the processes before involving costly professional teams. The timing for these tests is earlier to correspond with the availability of enough test candidates and personnel and also to provide useful input at an earlier stage. The professional user tests are planned at the start of the task so the time gap between producing the showcases and developing and using the test-bed is not too great, and the experience is still fresh in the candidates’ minds. The end-user tests with the individual elements of the system are timed at the beginning of the task to allow feedback and refining of the testing concept if necessary for the final end-user tests with the 01.09.11 24
ICT Project 3D VIVANT– Deliverable 2.3 Contract no.: 248420 User Acceptance Validation Plan implemented system. 5.3 RECRUITING TESTERS Each partner will recruit a sample of end-users for the tests they are to execute. The final tests, with the implemented showcases, will require a representative sample of end-users, i.e., end-users representative of the target audience group of the developed showcase. Factors such as age, sex, and previous 3D content exposure will have to be taken into account when recruiting users. The responsible partners have a catalogue of interested testers from previous evaluation tests which may be extended and/or adapted according to the needs of the tests. For the professional user tests, the test candidates will include key production personnel that will be involved in the production of the show cases and in the development of the broadcast test-bed. These will be mainly professionals from RAI and RBB. 01.09.11 25
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