Stephan J Lemmer

schoolUniversity of Michiganbar_chart#8070 Global Rank

Total Papers

HCI Rank

#8070

Research Areas

Years Active

Recent Publications

Crowdsourcing More Effective Initializations for Single-Target Trackers Through Automatic Re-querying

In single-target video object tracking, an initial bounding box is drawn around a target object and propagated through a video. When this bounding box is provided by a careful human expert, it is expected to yield strong overall tracking performance that can be mimicked at scale by novice crowd workers with the help o…

IUI '192nd AuthorTeleoperated Driving +1

Popup: Reconstructing 3D Video Using Particle Filtering to Aggregate Crowd Responses

Collecting a sufficient amount of 3D training data for autonomous vehicles to handle rare, but critical, traffic events (e.g., collisions) may take decades of deployment. Abundant video data of such events from municipal traffic cameras and video sharing sites (e.g., YouTube) could provide a potential alternative, but…

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