Multi-view video acquisition system

Poznań University of TechnologyChair of Multimedia Telecommunications and Microelectronics

Motivation

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system

• Main goal of system – easy acquisition of synchonized multi-view video

• Typical application – acquisition of interactive video that after processing provides the ability for a viewer to watch the scene from arbitrary virtual viewpoints

2

Multi-view system with linear camera placement

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system

• First version of the multi-view video acquisition system

• 9 CANON XH-G1 cameras installed on one rigid stand

• Wired synchronization of cameras and video acquisition

3

Multi-view system with arbitrary camera placement

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system

• Practical, portable and easy to use multi-camera system

• Camera placement is fully arbitrary – depends on characteristics of recorded scene

4

Multi-view system with arbitrary camera placement

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system

• 10 independent camera modules

• High mobility of each module:

• Recording of 100 minutes of uncompressed HD video

• Up to 4 hours of continuous operation

• Remote control and monitoring of recording process

5

Camera module

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system 6

• Receiver/Transmitter of radio synchronization signal• Wireless 802.11/bgn standard receiver/transmitter• HD-SDI video input• Hard drive controller with SATA interface• Power supply block

Acquired test sequences – Poznań Blocks

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system 7

Acquired test sequences – Poznań Parking

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system 8

Acquired test sequences – Poznań Service

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system 9

Acquired test sequences – Poznań Team

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system 10

Exemplary free-viewpoint sequence

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of TechnologyMulti-view video acquisition system 11

Thank you for your attention

Chair of Multimedia Telecommunications and Microelectronics

Poznań University of Technology