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An accurate understanding of a self-driving vehicle's surrounding environment is crucial for its navigation system. To enhance the effectiveness of existing algorithms and facilitate further research, it is essential to provide…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Abtin Mahyar , Hossein Motamednia , Dara Rahmati

In the last decade, convolutional neural networks (ConvNets) have dominated and achieved state-of-the-art performances in a variety of medical imaging applications. However, the performances of ConvNets are still limited by lacking the…

Image and Video Processing · Electrical Eng. & Systems 2021-04-15 Junyu Chen , Yufan He , Eric C. Frey , Ye Li , Yong Du

Place recognition is crucial for robot localization and loop closure in simultaneous localization and mapping (SLAM). Light Detection and Ranging (LiDAR), known for its robust sensing capabilities and measurement consistency even in varying…

Robotics · Computer Science 2024-03-20 Minwoo Jung , Wooseong Yang , Dongjae Lee , Hyeonjae Gil , Giseop Kim , Ayoung Kim

LiDAR-based localization approach is a fundamental module for large-scale navigation tasks, such as last-mile delivery and autonomous driving, and localization robustness highly relies on viewpoints and 3D feature extraction. Our previous…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Shiqi Zhao , Peng Yin , Ge Yi , Sebastian Scherer

This work proposes a perception system for autonomous vehicles and advanced driver assistance specialized on unpaved roads and off-road environments. In this research, the authors have investigated the behavior of Deep Learning algorithms…

Vehicle detection and tracking is a core ingredient for developing autonomous driving applications in urban scenarios. Recent image-based Deep Learning (DL) techniques are obtaining breakthrough results in these perceptive tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-27 Victor Vaquero , Ivan del Pino , Francesc Moreno-Noguer , Joan Solà , Alberto Sanfeliu , Juan Andrade-Cetto

Autonomous off-road navigation requires an accurate semantic understanding of the environment, often converted into a bird's-eye view (BEV) representation for various downstream tasks. While learning-based methods have shown success in…

Robotics · Computer Science 2024-03-06 Ohn Kim , Junwon Seo , Seongyong Ahn , Chong Hui Kim

Visual Place Recognition (VPR) is often characterized as being able to recognize the same place despite significant changes in appearance and viewpoint. VPR is a key component of Spatial Artificial Intelligence, enabling robotic platforms…

Robotics · Computer Science 2021-11-10 Sourav Garg , Tobias Fischer , Michael Milford

Localization is an essential capability for mobile robots. A rapidly growing field of research in this area is Visual Place Recognition (VPR), which is the ability to recognize previously seen places in the world based solely on images.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Stefan Schubert , Peer Neubert , Sourav Garg , Michael Milford , Tobias Fischer

Accurate lane localization and lane change detection are crucial in advanced driver assistance systems and autonomous driving systems for safer and more efficient trajectory planning. Conventional localization devices such as Global…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Zhensong Wei , Chao Wang , Peng Hao , Matthew Barth

This paper describes an optimized single-stage deep convolutional neural network to detect objects in urban environments, using nothing more than point cloud data. This feature enables our method to work regardless the time of the day and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Kazuki Minemura , Hengfui Liau , Abraham Monrroy , Shinpei Kato

This paper considers vehicle re-identification (re-ID) problem. The extreme viewpoint variation (up to 180 degrees) poses great challenges for existing approaches. Inspired by the behavior in human's recognition process, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Ruihang Chu , Yifan Sun , Yadong Li , Zheng Liu , Chi Zhang , Yichen Wei

In this paper, we present LaserNet, a computationally efficient method for 3D object detection from LiDAR data for autonomous driving. The efficiency results from processing LiDAR data in the native range view of the sensor, where the input…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Gregory P. Meyer , Ankit Laddha , Eric Kee , Carlos Vallespi-Gonzalez , Carl K. Wellington

While vehicle license plate recognition (VLPR) is usually done with a sliding window approach, it can have limited performance on datasets with characters that are of variable width. This can be solved by hand-crafting algorithms to…

Computer Vision and Pattern Recognition · Computer Science 2017-01-24 Teik Koon Cheang , Yong Shean Chong , Yong Haur Tay

Currently, the visually impaired rely on either a sighted human, guide dog, or white cane to safely navigate. However, the training of guide dogs is extremely expensive, and canes cannot provide essential information regarding the color of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Samuel Yu , Heon Lee , John Kim

Semantic segmentation is an important component in the perception systems of autonomous vehicles. In this work, we adopt recent advances in both image and point cloud segmentation to achieve a better accuracy in the task of segmenting LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Deyvid Kochanov , Fatemeh Karimi Nejadasl , Olaf Booij

Detecting obstacles is crucial for safe and efficient autonomous driving. To this end, we present NVRadarNet, a deep neural network (DNN) that detects dynamic obstacles and drivable free space using automotive RADAR sensors. The network…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Alexander Popov , Patrik Gebhardt , Ke Chen , Ryan Oldja , Heeseok Lee , Shane Murray , Ruchi Bhargava , Nikolai Smolyanskiy

Visual Place Recognition (VPR) is a crucial component of 6-DoF localization, visual SLAM and structure-from-motion pipelines, tasked to generate an initial list of place match hypotheses by matching global place descriptors. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-21 Ahmad Khaliq , Michael Milford , Sourav Garg

LiDAR-based 3D detection in point cloud is essential in the perception system of autonomous driving. In this paper, we present LiDAR R-CNN, a second stage detector that can generally improve any existing 3D detector. To fulfill the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Zhichao Li , Feng Wang , Naiyan Wang

Existing visual change detectors usually adopt CNNs or Transformers for feature representation learning and focus on learning effective representation for the changed regions between images. Although good performance can be obtained by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Bo Jiang , Zitian Wang , Xixi Wang , Ziyan Zhang , Lan Chen , Xiao Wang , Bin Luo