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- W2056595270 abstract "Although people or object tracking in uncontrolled environments has been acknowledged in the literature, the accuratelocalization of a subject with respect to a reference ground plane remains a major issue. This study describes an earlyprototype for the tracking and localization of pedestrians with a handheld camera. One application envisioned here is toanalyze the trajectories of blind people going across long crosswalks when following different audio signals as a guide.This kind of study is generally conducted manually with an observer following a subject and logging his/her currentposition at regular time intervals with respect to a white grid painted on the ground. This study aims at automating themanual logging activity: with a marker attached to the subject’s foot, a video of the crossing is recorded by a personfollowing the subject, and a semi-automatic tool analyzes the video and estimates the trajectory of the marker withrespect to the painted markings. Challenges include robustness to variations to lighting conditions (shadows, etc.),occlusions, and changes in camera viewpoint. Results are promising when compared to GNSS measurements." @default.
- W2056595270 created "2016-06-24" @default.
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- W2056595270 date "2015-02-27" @default.
- W2056595270 modified "2023-09-23" @default.
- W2056595270 title "Localizing people in crosswalks with a moving handheld camera: proof of concept" @default.
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- W2056595270 doi "https://doi.org/10.1117/12.2074960" @default.
- W2056595270 hasPublicationYear "2015" @default.
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