NDLI: Vergence Control of 2 DOF Pan-Tilt Binocular Cameras using a Log-Polar Representation of the Visual Cortex

Content Provider	IEEE Xplore Digital Library
Author	Zhang, A.X.J. Tay, A.L.P.
Copyright Year	2006
Description	Author affiliation: Nanyang Technol. Univ., Singapore (Zhang, A.X.J.; Tay, A.L.P.)
Abstract	This paper presents a neurologically inspired vergence control model that uses the optimization of the disparity error between interlaced cortical maps incident on the visual cortex (VC). This was inspired by the work of Hubel et al [4] where their investigations led to the discovery of the alternating organization of ocular dominance columns. While the implemented system consists of many modules including a simple component to function as the superior colliculus (SC) and modeling of attention traces from the Frontal Eye Fields (FEF) [5], this paper emphasizes the parts specific to using the log-polar maps on the visual cortex for vergence control. We explain how the log-polar image incident on the VC can be used successfully to determine the pan angle (saccade) to perform binocular vergence on points of in the scene. A discussion at the end of the paper highlights the significant differences between this system and the conventional object correspondence systems that require matching of specific object shapes. In this model, the cortically magnified VC image is used to match the entire image.
Starting Page	4277
Ending Page	4283
File Size	325523
Page Count	7
File Format	PDF
ISBN	0780394909
DOI	10.1109/IJCNN.2006.247001
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-16
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cameras Virtual colonoscopy Brain modeling Layout Machine vision Control systems Muscles Error correction Shape Data mining Log-Polar Transform Visual Cortex Binocular Vergence Superior Colliculus
Content Type	Text
Resource Type	Article

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