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3D reconstruction

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Chemically-mediated signals and physical contact-mediated signals are utilized in wide varieties of cells of the brain to transfer information to each other. For example, chemically-mediated signals provide pivotal communication between vascular endothelial cells and perivascular cells to control local blood circulation. Also, chemically-mediated signals play essential roles in the learning, memory and cognition via mediating communication between neurons. In contrast, the existence and function of nano-scale cell-cell contacts in the brain is not fully understood. This is because, to identify

ePoster · Neuroscience

Measuring the Motions of Mice: Open source tracking with the KineMouse Wheel

Jimmy Tabet · Department of Biomedical Engineering UNC/NCSU

Who says you can't reinvent the wheel?! This running wheel for head-fixed mice allows 3D reconstruction of body kinematics using a single camera and DeepLabCut (or similar) software. A lightweight, transparent polycarbonate floor and a mirror mounted on the inside allow two views to be captured simultaneously. All parts are commercially available or laser cut

Wed, May 18, 2022 · 07:00 UTC

Seminar · Biomechanics

Identity-Expression Ambiguity in 3D Morphable Face Models

Bernhard Egger · Friedrich-Alexander-Universität Erlangen-Nürnberg

3D Morphable Models are my favorite class of generative models and are commonly used to model faces. They are typically applied to ill-posed problems such as 3D reconstruction from 2D data. I'll start my presentation with an introduction into 3D Morphable Models and show what they are capable of doing. I'll then focus on our recent finding, the Identity-Expression Ambiguity: We demonstrate that non-orthogonality of the variation in identity and expression can cause identity-expression ambiguity in 3D Morphable Models, and that in practice expression and identity are far from orthogonal and can

Thu, Mar 17, 2022 · 17:00 UTC

Seminar · Computer Vision