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Pratik Gujjar

dblp:246/7968 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2019
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 first-authorSystems, architecture and hardware · 1 · 1 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Autonomous driving · 56% Video understanding and tracking · 44%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Robotics › Autonomous driving › pedestrian behavior prediction
pedestrian action prediction
0.412019
Classifying Pedestrian Actions In Advance Using Predicted Video Of Urban Driving Scenes · ICRA 2019
Computer vision › Video understanding and tracking
video prediction
0.412019
Classifying Pedestrian Actions In Advance Using Predicted Video Of Urban Driving Scenes · ICRA 2019
Robotics › Autonomous driving
perception
0.112019
Classifying Pedestrian Actions In Advance Using Predicted Video Of Urban Driving Scenes · ICRA 2019

Methods — techniques the papers use, named apart from their topics

sequence representation learning · 0.4encoder-decoder network · 0.4action classifier network · 0.4
YearPublicationVenuePosition
2019 Classifying Pedestrian Actions In Advance Using Predicted Video Of Urban Driving Scenes
abstract
Fig. 1.Generating predictions of a future for a pedestrian attempting to cross the street. We pick out two key frames from the (a) input sequence and the (b) ground truth sequence, 16 frames apart. Image (c) shows our prediction at the same time instant as the ground truth.We explore prediction of urban pedestrian actions by generating a video future of the traffic scene, and show promising results in classifying pedestrian behaviour before it is observed. We compare several encoder-decoder network models that predict 16 frames (400-600 milliseconds of video) from the preceding 16 frames. Our main contribution is a method for learning a sequence of representations to iteratively transform features learnt from the input to the future. Then we use a binary action classifier network for determining a pedestrian's crossing intent from predicted video. Our results show an average precision of 81%, significantly higher than previous methods. The model with the best classification performance runs for 117 ms on commodity GPU, giving an effective look-ahead of 416 ms.
Pratik Gujjar, Richard Vaughan 0001
ICRA1