Mixed-resolution view synthesis using non-local means refined image merging

Conference contribution
(Conference Contribution)


Publication Details

Author(s): Richter T, Schöberl M, Seiler J, Tröger T, Kaup A
Publication year: 2012
Volume: 8288
ISBN: 9780819489357


Abstract


Synthesizing novel views from originally available camera perspectives via depth maps is a key issue in the 3D video domain. Up to now, several high-resolution cameras are needed to obtain high-quality intermediate synthesized views. One possibility to reduce costs with regard to the used camera array is to replace some cameras by low-resolution cameras, which are cheaper on the one hand, but provide a much poorer image quality on the other hand. Unfortunately, some of the information inside the desired intermediate view may only be available in the low-resolution reference. Thus, the image quality of the low-resolution reference has a big influence on the visual quality of the synthesized view. This paper proposes a postprocessing step for the synthesized view, based on the non-local means algorithm. Thereby, all areas inserted from the low-resolution reference get efficiently adapted to their high-resolution environment. It is shown, that the non-local means refined image merging leads to a PSNR gain of up to 0.90 dB compared to an unrefined mixed-resolution setup. The approach can be easily extended to a hole-filling algorithm and yields a PSNR gain of up to 0.81 dB for hole areas compared to a reference hole-filling algorithm. The subjective image quality also increases convincingly in both applications. © 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).


FAU Authors / FAU Editors

Kaup, André Prof. Dr.-Ing.
Lehrstuhl für Multimediakommunikation und Signalverarbeitung
Richter, Thomas Dr.-Ing.
Lehrstuhl für Multimediakommunikation und Signalverarbeitung
Schöberl, Michael
Lehrstuhl für Multimediakommunikation und Signalverarbeitung
Seiler, Jürgen PD Dr.-Ing.
Lehrstuhl für Multimediakommunikation und Signalverarbeitung


How to cite

APA:
Richter, T., Schöberl, M., Seiler, J., Tröger, T., & Kaup, A. (2012). Mixed-resolution view synthesis using non-local means refined image merging. In Proceedings of the SPIE Electronic Imaging 2012 - Stereoscopic Displays and Applications XXIII. San Francisco, US.

MLA:
Richter, Thomas, et al. "Mixed-resolution view synthesis using non-local means refined image merging." Proceedings of the SPIE Electronic Imaging 2012 - Stereoscopic Displays and Applications XXIII, San Francisco 2012.

BibTeX: 

Last updated on 2019-16-04 at 22:23