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Towards perceptually coherent depth maps in 2D-to-3D conversion

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Titel Towards perceptually coherent depth maps in 2D-to-3D conversion
Serientitel Stereoscopic Displays and Applications XXVII (SD&A 2016)
Teil 12
Anzahl der Teile 31
Autor Brosch, Nicole
Schausberger, Tanja
Gelautz, Margrit
Lizenz CC-Namensnennung - keine Bearbeitung 2.0 UK: England & Wales:
Sie dürfen das Werk in unveränderter Form zu jedem legalen Zweck nutzen, vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/32254
Herausgeber IS&T Electronic Imaging (EI) Symposium
Erscheinungsjahr 2016
Sprache Englisch

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Fachgebiet Informatik
Abstract We propose a semi-automatic 2D-to-3D conversion algorithm that is embedded in an efficient optimization framework, i.e., cost volume filtering, which assigns pixels to depth values initialized by user-given scribbles. The proposed algorithm is capable of capturing depth changes of objects that move towards or farther away from the camera. We achieve this by determining a rough depth order between objects in each frame, according to the motion observed in the video, and incorporate this depth order into the depth interpolation process. In contrast to previous publications, our algorithm focuses on avoiding conflicts between the generated depth maps and monocular depth cues that are present in the video, i.e., motion-caused occlusions, and thus takes a step towards the generation of perceptually coherent depth maps. We demonstrate the capabilities of our proposed algorithm on synthetic and recorded video data and by comparison with depth ground truth. Experimental evaluations show that we obtain temporally and perceptually coherent 2D-to-3D conversions in which temporal and spatial edges coincide with edges in the corresponding input video. Our proposed depth interpolation can clearly improve the conversion results for videos that contain objects which exhibit motion in depth, compared to commonly performed naïve depth interpolation techniques. © 2016, Society for Imaging Science and Technology (IS&T).

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