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Recent work has shown that CNN-based depth and ego-motion estimators can be learned using unlabelled monocular videos. However, the performance is limited by unidentified moving objects that violate the underlying static scene assumption in…

Computer Vision and Pattern Recognition · Computer Science 2019-10-04 Jia-Wang Bian , Zhichao Li , Naiyan Wang , Huangying Zhan , Chunhua Shen , Ming-Ming Cheng , Ian Reid

Monocular depth estimation is known as an ill-posed task in which objects in a 2D image usually do not contain sufficient information to predict their depth. Thus, it acts differently from other tasks (e.g., classification and segmentation)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Wencheng Han , Junbo Yin , Jianbing Shen

Inter-vehicle distance and relative velocity estimations are two basic functions for any ADAS (Advanced driver-assistance systems). In this paper, we propose a monocular camera-based inter-vehicle distance and relative velocity estimation…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Zhenbo Song , Jianfeng Lu , Tong Zhang , Hongdong Li

Sampling-based motion planning is an effective tool to compute safe trajectories for automated vehicles in complex environments. However, a fast convergence to the optimal solution can only be ensured with the use of problem-specific…

Robotics · Computer Science 2019-02-04 Holger Banzhaf , Paul Sanzenbacher , Ulrich Baumann , J. Marius Zöllner

Estimating 3D human motion from an egocentric video sequence plays a critical role in human behavior understanding and has various applications in VR/AR. However, naively learning a mapping between egocentric videos and human motions is…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Jiaman Li , C. Karen Liu , Jiajun Wu

While many visual ego-motion algorithm variants have been proposed in the past decade, learning based ego-motion estimation methods have seen an increasing attention because of its desirable properties of robustness to image noise and…

Computer Vision and Pattern Recognition · Computer Science 2019-06-20 Guangyao Zhai , Liang Liu , Linjian Zhang , Yong Liu

We propose a complete pipeline that allows object detection and simultaneously estimate the pose of these multiple object instances using just a single image. A novel "keypoint regression" scheme with a cross-ratio term is introduced that…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Ankit Dhall

While egocentric video is becoming increasingly popular, browsing it is very difficult. In this paper we present a compact 3D Convolutional Neural Network (CNN) architecture for long-term activity recognition in egocentric videos.…

Computer Vision and Pattern Recognition · Computer Science 2017-01-06 Yair Poleg , Ariel Ephrat , Shmuel Peleg , Chetan Arora

Monocular visual localization plays a pivotal role in advanced driver assistance systems and autonomous driving by estimating a vehicle's ego-motion from a single pinhole camera. Nevertheless, conventional monocular visual odometry…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Hui Zhang , Zhiyang Wu , Qianqian Shangguan , Kang An

We propose Shift R-CNN, a hybrid model for monocular 3D object detection, which combines deep learning with the power of geometry. We adapt a Faster R-CNN network for regressing initial 2D and 3D object properties and combine it with a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Andretti Naiden , Vlad Paunescu , Gyeongmo Kim , ByeongMoon Jeon , Marius Leordeanu

This paper presents a computationally efficient method for vehicle speed estimation from traffic camera footage. Building upon previous work that utilizes 3D bounding boxes derived from 2D detections and vanishing point geometry, we…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Andrej Macko , Lukáš Gajdošech , Viktor Kocur

We propose a robust method for estimating road curb 3D parameters (size, location, orientation) using a calibrated monocular camera equipped with a fisheye lens. Automatic curb detection and localization is particularly important in the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Stanislav Panev , Francisco Vicente , Fernando De la Torre , Véronique Prinet

Action recognition is currently one of the top-challenging research fields in computer vision. Convolutional Neural Networks (CNNs) have significantly boosted its performance but rely on fixed-size spatio-temporal windows of analysis,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Alejandro López-Cifuentes , Marcos Escudero-Viñolo , Jesús Bescós

Advanced driver assistance and automated driving systems should be capable of predicting and avoiding dangerous situations. This study proposes a method to predict potentially dangerous cut-in maneuvers happening in the ego lane. We follow…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Yagiz Nalcakan , Yalin Bastanlar

In advanced driver assistant systems and autonomous driving, it is crucial to estimate distances between an ego vehicle and target vehicles. Existing inter-vehicle distance estimation methods assume that the ego and target vehicles drive on…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Muhyun Back , Jinkyu Lee , Kyuho Bae , Sung Soo Hwang , Il Yong Chun

Monocular depth estimation is an important task that can be applied to many robotic applications. Existing methods focus on improving depth estimation accuracy via training increasingly deeper and wider networks, however these suffer from…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Xingshuai Dong , Matthew A. Garratt , Sreenatha G. Anavatti , Hussein A. Abbass , Junyu Dong

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

Responsive and accurate facial expression recognition is crucial to human-robot interaction for daily service robots. Nowadays, event cameras are becoming more widely adopted as they surpass RGB cameras in capturing facial expression…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Zhe Wang , Qijin Song , Yucen Peng , Weibang Bai

The estimation of the orientation of an observed vehicle relative to an Autonomous Vehicle (AV) from monocular camera data is an important building block in estimating its 6 DoF pose. Current Deep Learning based solutions for placing a 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Cédric Picron , Punarjay Chakravarty , Tom Roussel , Tinne Tuytelaars

Accurate pedestrian orientation estimation of autonomous driving helps the ego vehicle obtain the intentions of pedestrians in the related environment, which are the base of safety measures such as collision avoidance and prewarning.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Chenchen Zhao , Yeqiang Qian , Ming Yang