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PillarFPN: A Feature Pyramid Extension to Pointpillars for 3D Object Detection

: Munshi, Harsh
: Plöger, Sven

Volltext urn:nbn:de:0011-n-6386153 (20 MByte PDF)
MD5 Fingerprint: ea33e25060f6db0b9b926f6cc49280f1
Erstellt am: 10.8.2021

Sankt Augustin, 2021, XX, 82 S.
Sankt Augustin, Hochschule Bonn-Rhein-Sieg, Master Thesis, 2021
Master Thesis, Elektronische Publikation
Fraunhofer IAIS ()

In the field of autonomous robotics, sensors have played a major role in defining the scope of technology and to a great extent, limitations of it as well. This cycle of constant updates and hence technological advancement has made given birth to some serious industries which were once inconceivable. Industries like autonomous driving which has a serious impact on safety and security of people, also has an equally harsh implication on the dynamics and economics of the market. With sensors like LiDAR and RADAR delivering 3D measurements as point clouds, there is a necessity to process the raw measurements directly and many research groups are working on the same. A sizable research has gone in solving the task of object detection on 2D images. In this thesis we aim to develop a LiDAR based 3D object detection scheme. We combine the ideas of PointPillars and feature pyramid networks from 2D vision to propose Pillar-FPN. The proposed method directly takes 3D point clouds as input and outputs a 3D bounding box. Our pipeline consists of multiple variations of proposed Pillar-FPN at the feature fusion level that are described in the results section. We have trained our model on the KITTI train dataset and evaluated it on KITTI validation dataset.