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Authors: Norio Tagawa ; Yuya Iida and Kan Okubo

Affiliation: Tokyo Metropolitan University, Japan

Keyword(s): Depth Perception, Shape from Blurring, Stochastic Resonance, Fixational Eye Movement.

Related Ontology Subjects/Areas/Topics: Active and Robot Vision ; Computer Vision, Visualization and Computer Graphics ; Early and Biologically-Inspired Vision ; Image and Video Analysis ; Motion, Tracking and Stereo Vision

Abstract: The small vibration of the eye ball, which occurs when we fix our gaze on an object, is called “fixational eye movement.” It has been reported that this vibration may work not only as a fundamental function to preserve photosensitivity but also as a clue to image analysis, for example contrast enhancement and edge detection. This mechanism can be interpreted as an instance of stochastic resonance, which is inspired by biology, more specifically by neuron dynamics. Moreover, researches for a depth recovery method using camera motions based on an analogy of fixational eye movement are in progress. In this study, using camera motions especially corresponding to the smallest type of fixational eye movement called “tremor.” We have constructed the algorithms which are defined as a differential form, i.e. spatio-temporal derivatives of successive two images are analyzed. However, in these methods, observed noise of derivatives causes serious recovering error. Therefore, we newly examine a method in which a lot of images captured with the same camera motions are integrated and the observed local image blurring is analyzed for extracting depth information, and confirm its effectiveness. (More)

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Paper citation in several formats:
Tagawa, N.; Iida, Y. and Okubo, K. (2012). DEPTH PERCEPTION MODEL EXPLOITING BLURRING CAUSED BY RANDOM SMALL CAMERA MOTIONS. In Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 2: VISAPP; ISBN 978-989-8565-03-7; ISSN 2184-4321, SciTePress, pages 329-334. DOI: 10.5220/0003817403290334

@conference{visapp12,
author={Norio Tagawa. and Yuya Iida. and Kan Okubo.},
title={DEPTH PERCEPTION MODEL EXPLOITING BLURRING CAUSED BY RANDOM SMALL CAMERA MOTIONS},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 2: VISAPP},
year={2012},
pages={329-334},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003817403290334},
isbn={978-989-8565-03-7},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 2: VISAPP
TI - DEPTH PERCEPTION MODEL EXPLOITING BLURRING CAUSED BY RANDOM SMALL CAMERA MOTIONS
SN - 978-989-8565-03-7
IS - 2184-4321
AU - Tagawa, N.
AU - Iida, Y.
AU - Okubo, K.
PY - 2012
SP - 329
EP - 334
DO - 10.5220/0003817403290334
PB - SciTePress