no code implementations • 30 Oct 2024 • Maciej K. Wozniak, Hariprasath Govindarajan, Marvin Klingner, Camille Maurice, B Ravi Kiran, Senthil Yogamani
Recent self-supervised clustering-based pre-training techniques like DINO and Cribo have shown impressive results for downstream detection and segmentation tasks.
no code implementations • 29 May 2024 • Nikhil Gosala, Kürsat Petek, B Ravi Kiran, Senthil Yogamani, Paulo Drews-Jr, Wolfram Burgard, Abhinav Valada
Our approach pretrains the network to independently reason about scene geometry and scene semantics using two disjoint neural pathways in an unsupervised manner and then finetunes it for the task of semantic BEV mapping using only a small fraction of labels in the BEV.
1 code implementation • 18 Mar 2024 • Jonas Schramm, Niclas Vödisch, Kürsat Petek, B Ravi Kiran, Senthil Yogamani, Wolfram Burgard, Abhinav Valada
Semantic scene segmentation from a bird's-eye-view (BEV) perspective plays a crucial role in facilitating planning and decision-making for mobile robots.
no code implementations • 21 Feb 2023 • Anh Duong, Alexandre Almin, Léo Lemarié, B Ravi Kiran
Active Learning (AL) has remained relatively unexplored for LiDAR perception tasks in autonomous driving datasets.
no code implementations • 16 Feb 2023 • Alexandre Almin, Léo Lemarié, Anh Duong, B Ravi Kiran
Autonomous driving (AD) perception today relies heavily on deep learning based architectures requiring large scale annotated datasets with their associated costs for curation and annotation.
no code implementations • 25 Jun 2022 • Sugirtha T, Sridevi M, Khailash Santhakumar, Hao liu, B Ravi Kiran, Thomas Gauthier, Senthil Yogamani
We evaluate the pretext task using the RTM3D detection model as baseline, with and without the application of data augmentation.
no code implementations • 6 Feb 2022 • Weishuang Zhang, B Ravi Kiran, Thomas Gauthier, Yanis Mazouz, Theo Steger
Annotating objects with 3D bounding boxes in LiDAR pointclouds is a costly human driven process in an autonomous driving perception system.
no code implementations • 6 Feb 2022 • Ngoc Phuong Anh Duong, Alexandre Almin, Léo Lemarié, B Ravi Kiran
We observe that data augmentation achieves full dataset accuracy using only 60\% of samples from the selected dataset configuration.
no code implementations • 21 Apr 2021 • Sugirtha T, Sridevi M, Khailash Santhakumar, B Ravi Kiran, Thomas Gauthier, Senthil Yogamani
Extension of these data augmentations for 3D object detection requires adaptation of the 3D geometry of the input scene and synthesis of new viewpoints.
no code implementations • 27 May 2020 • Leonardo Gigli, B Ravi Kiran, Thomas Paul, Andres Serna, Nagarjuna Vemuri, Beatriz Marcotegui, Santiago Velasco-Forero
In our experiments the low resolution 16/32 layer LIDAR point clouds are simulated by subsampling the original 64 layer data, for subsequent transformation in to a feature map in the Bird-Eye-View (BEV) and SphericalView (SV) representations of the point cloud.
no code implementations • 2 Feb 2020 • B Ravi Kiran, Ibrahim Sobh, Victor Talpaert, Patrick Mannion, Ahmad A. Al Sallab, Senthil Yogamani, Patrick Pérez
With the development of deep representation learning, the domain of reinforcement learning (RL) has become a powerful learning framework now capable of learning complex policies in high dimensional environments.
no code implementations • 6 Jan 2019 • Victor Talpaert, Ibrahim Sobh, B Ravi Kiran, Patrick Mannion, Senthil Yogamani, Ahmad El-Sallab, Patrick Perez
Deep Reinforcement Learning (DRL) has become increasingly powerful in recent years, with notable achievements such as Deepmind's AlphaGo.
no code implementations • 29 Nov 2018 • Jean Serra, Jesus Angulo, B Ravi Kiran
Consider a family $Z=\{\boldsymbol{x_{i}}, y_{i}$,$1\leq i\leq N\}$ of $N$ pairs of vectors $\boldsymbol{x_{i}} \in \mathbb{R}^d$ and scalars $y_{i}$ that we aim to predict for a new sample vector $\mathbf{x}_0$.
no code implementations • 28 Sep 2018 • B Ravi Kiran, Luis Roldão, Benat Irastorza, Renzo Verastegui, Sebastian Suss, Senthil Yogamani, Victor Talpaert, Alexandre Lepoutre, Guillaume Trehard
In this paper, we discuss real-time dynamic object detection algorithms which leverages previously mapped Lidar point clouds to reduce processing.
1 code implementation • 9 Jan 2018 • B Ravi Kiran, Dilip Mathew Thomas, Ranjith Parakkal
Videos represent the primary source of information for surveillance applications and are available in large amounts but in most cases contain little or no annotation for supervised learning.
Semi-supervised Anomaly Detection Supervised Anomaly Detection +1
no code implementations • 25 May 2017 • B Ravi Kiran, Arindam Das, Senthil Yogamani
We achieve a good improvement in speed without compromising the accuracy with respect to the baseline GMM model.