OpenTraj: Assessing Prediction Complexity in Human Trajectories Datasets

Human Trajectory Prediction (HTP) has gained much momentum in the last years and many solutions have been proposed to solve it. Proper benchmarking being a key issue for comparing methods, this paper addresses the question of evaluating how complex is a given dataset with respect to the prediction p...

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Bibliographic Details
Published in:arXiv.org 2020-11
Main Authors: Amirian, Javad, Zhang, Bingqing, Francisco Valente Castro, Baldelomar, Juan Jose, Jean-Bernard Hayet, Pettre, Julien
Format: Article
Language:English
Subjects:
Algorithms
Benchmarks
Complexity
Datasets
Indicators
Source code
Online Access:Get full text
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Summary:Human Trajectory Prediction (HTP) has gained much momentum in the last years and many solutions have been proposed to solve it. Proper benchmarking being a key issue for comparing methods, this paper addresses the question of evaluating how complex is a given dataset with respect to the prediction problem. For assessing a dataset complexity, we define a series of indicators around three concepts: Trajectory predictability; Trajectory regularity; Context complexity. We compare the most common datasets used in HTP in the light of these indicators and discuss what this may imply on benchmarking of HTP algorithms. Our source code is released on Github.
ISSN:2331-8422