no code implementations • 14 Jan 2023 • Ross Greer, Akshay Gopalkrishnan, Nachiket Deo, Akshay Rangesh, Mohan Trivedi
Next, we use a custom salience loss function, Salience-Sensitive Focal Loss, to train a Deformable DETR object detection model in order to emphasize stronger performance on salient signs.
no code implementations • 14 Jan 2023 • Ross Greer, Nachiket Deo, Akshay Rangesh, Pujitha Gunaratne, Mohan Trivedi
To make safe transitions from autonomous to manual control, a vehicle must have a representation of the awareness of driver state; two metrics which quantify this state are the Observable Readiness Index and Takeover Time.
no code implementations • 25 May 2022 • Sushruth Nagesh, Asfiya Baig, Savitha Srinivasan, Akshay Rangesh, Mohan Trivedi
Point cloud based methods have become increasingly popular for 3-D object detection, owing to their accurate depth information.
no code implementations • 2 Dec 2021 • Ross Greer, Jason Isa, Nachiket Deo, Akshay Rangesh, Mohan M. Trivedi
Safe path planning in autonomous driving is a complex task due to the interplay of static scene elements and uncertain surrounding agents.
no code implementations • 27 Jul 2021 • Akshay Rangesh, Nachiket Deo, Ross Greer, Pujitha Gunaratne, Mohan M. Trivedi
Using the augmented dataset, we develop and train take-over time (TOT) models that operate sequentially on mid and high-level features produced by computer vision algorithms operating on different driver-facing camera views, showing models trained on the augmented dataset to outperform the initial dataset.
no code implementations • 23 Apr 2021 • Akshay Rangesh, Nachiket Deo, Ross Greer, Pujitha Gunaratne, Mohan M. Trivedi
With increasing automation in passenger vehicles, the study of safe and smooth occupant-vehicle interaction and control transitions is key.
1 code implementation • 22 Mar 2021 • Hala Abualsaud, Sean Liu, David Lu, Kenny Situ, Akshay Rangesh, Mohan M. Trivedi
This study presents an approach to lane detection involving the prediction of binary segmentation masks and per-pixel affinity fields.
Ranked #3 on Lane Detection on LLAMAS
no code implementations • 11 Jan 2021 • Akshay Rangesh, Pranav Maheshwari, Mez Gebre, Siddhesh Mhatre, Vahid Ramezani, Mohan M. Trivedi
This study follows many classical approaches to multi-object tracking (MOT) that model the problem using dynamic graphical data structures, and adapts this formulation to make it amenable to modern neural networks.
1 code implementation • 6 Feb 2020 • Akshay Rangesh, Bo-Wen Zhang, Mohan M. Trivedi
GPCycleGAN is based on the well-known CycleGAN approach - with the addition of a gaze classifier and a gaze consistency loss for additional supervision.
1 code implementation • 27 Jul 2019 • Akshay Rangesh, Mohan M. Trivedi
This paper provides a simple solution for reliably solving image classification tasks tied to spatial locations of salient objects in the scene.
2 code implementations • 1 May 2019 • Walter Zimmer, Akshay Rangesh, Mohan Trivedi
In this paper, we focus on obtaining 2D and 3D labels, as well as track IDs for objects on the road with the help of a novel 3D Bounding Box Annotation Toolbox (3D BAT).
1 code implementation • 16 Nov 2018 • Akshay Rangesh, Mohan M. Trivedi
Once identified, the "best fit" plane provides enough constraints to successfully construct the desired 3D detection box, without directly predicting the 6DoF pose of the object.
1 code implementation • 20 Apr 2018 • Akshay Rangesh, Mohan M. Trivedi
Tasks related to human hands have long been part of the computer vision community.
3 code implementations • 23 Feb 2018 • Akshay Rangesh, Mohan M. Trivedi
In this paper, we present a modular framework for tracking multiple objects (vehicles), capable of accepting object proposals from different sensor modalities (vision and range) and a variable number of sensors, to produce continuous object tracks.
no code implementations • 22 Feb 2018 • Siddharth, Akshay Rangesh, Eshed Ohn-Bar, Mohan M. Trivedi
This work addresses the task of accurately localizing driver hands and classifying the grasp state of each hand.
no code implementations • 8 Feb 2018 • Sourabh Vora, Akshay Rangesh, Mohan M. Trivedi
Finally, we evaluate our best performing model on the publicly available Columbia Gaze Dataset comprising of images from 56 subjects with varying head pose and gaze directions.
no code implementations • 24 Jan 2018 • Akshay Rangesh, Mohan M. Trivedi
The intelligent vehicle community has devoted considerable efforts to model driver behavior, and in particular to detect and overcome driver distraction in an effort to reduce accidents caused by driver negligence.
no code implementations • 19 Jan 2018 • Nachiket Deo, Akshay Rangesh, Mohan M. Trivedi
In this paper we propose a unified framework for surround vehicle maneuver classification and motion prediction that exploits multiple cues, namely, the estimated motion of vehicles, an understanding of typical motion patterns of freeway traffic and inter-vehicle interaction.
no code implementations • 21 Sep 2017 • Akshay Rangesh, Kevan Yuen, Ravi Kumar Satzoda, Rakesh Nattoji Rajaram, Pujitha Gunaratne, Mohan M. Trivedi
Recent progress in autonomous and semi-autonomous driving has been made possible in part through an assortment of sensors that provide the intelligent agent with an enhanced perception of its surroundings.