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For the task of simultaneous monocular depth and visual odometry estimation, we propose learning self-supervised transformer-based models in two steps. Our first step consists in a generic pretraining to learn 3D geometry, using cross-view…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Boris Chidlovskii , Leonid Antsfeld

Deep Learning based techniques have been adopted with precision to solve a lot of standard computer vision problems, some of which are image classification, object detection and segmentation. Despite the widespread success of these…

Computer Vision and Pattern Recognition · Computer Science 2016-11-21 Vikram Mohanty , Shubh Agrawal , Shaswat Datta , Arna Ghosh , Vishnu Dutt Sharma , Debashish Chakravarty

Monocular 3D object detection continues to attract attention due to the cost benefits and wider availability of RGB cameras. Despite the recent advances and the ability to acquire data at scale, annotation cost and complexity still limit…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Issa Mouawad , Nikolas Brasch , Fabian Manhardt , Federico Tombari , Francesca Odone

Supervised 3D Object Detection models have been displaying increasingly better performance in single-domain cases where the training data comes from the same environment and sensor as the testing data. However, in real-world scenarios data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Louis Soum-Fontez , Jean-Emmanuel Deschaud , François Goulette

Visual perception plays an important role in autonomous driving. One of the primary tasks is object detection and identification. Since the vision sensor is rich in color and texture information, it can quickly and accurately identify…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Fei Liu , Zihao Lu , Xianke Lin

Accurate 3D object detection is crucial to autonomous driving. Though LiDAR-based detectors have achieved impressive performance, the high cost of LiDAR sensors precludes their widespread adoption in affordable vehicles. Camera-based…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Yurong You , Cheng Perng Phoo , Carlos Andres Diaz-Ruiz , Katie Z Luo , Wei-Lun Chao , Mark Campbell , Bharath Hariharan , Kilian Q Weinberger

3D object detection is an indispensable component for scene understanding. However, the annotation of large-scale 3D datasets requires significant human effort. To tackle this problem, many methods adopt weakly supervised 3D object…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Guowen Zhang , Junsong Fan , Liyi Chen , Zhaoxiang Zhang , Zhen Lei , Lei Zhang

We present a self-supervised learning algorithm for 3D human pose estimation of a single person based on a multiple-view camera system and 2D body pose estimates for each view. To train our model, represented by a deep neural network, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Arij Bouazizi , Julian Wiederer , Ulrich Kressel , Vasileios Belagiannis

Detecting objects in 3D space using multiple cameras, known as Multi-Camera 3D Object Detection (MC3D-Det), has gained prominence with the advent of bird's-eye view (BEV) approaches. However, these methods often struggle when faced with…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Hao Lu , Yunpeng Zhang , Qing Lian , Dalong Du , Yingcong Chen

Visual localization, i.e., determining the position and orientation of a vehicle with respect to a map, is a key problem in autonomous driving. We present a multicamera visual inertial localization algorithm for large scale environments. To…

Robotics · Computer Science 2019-05-16 Marcel Geppert , Peidong Liu , Zhaopeng Cui , Marc Pollefeys , Torsten Sattler

The accuracy of monocular 3D human pose estimation depends on the viewpoint from which the image is captured. While freely moving cameras, such as on drones, provide control over this viewpoint, automatically positioning them at the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Sena Kiciroglu , Helge Rhodin , Sudipta N. Sinha , Mathieu Salzmann , Pascal Fua

Recent deep learning-based multi-view people detection (MVD) methods have shown promising results on existing datasets. However, current methods are mainly trained and evaluated on small, single scenes with a limited number of multi-view…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Qi Zhang , Yunfei Gong , Daijie Chen , Antoni B. Chan , Hui Huang

Video anomaly detection (VAD) in autonomous driving scenario is an important task, however it involves several challenges due to the ego-centric views and moving camera. Due to this, it remains largely under-explored. While recent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Utkarsh Tiwari , Snehashis Majhi , Michal Balazia , François Brémond

We address the problem of 3D object detection from 2D monocular images in autonomous driving scenarios. We propose to lift the 2D images to 3D representations using learned neural networks and leverage existing networks working directly on…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Siddharth Srivastava , Frederic Jurie , Gaurav Sharma

In this paper we propose a novel 3D single-shot object detection method for detecting vehicles in monocular RGB images. Our approach lifts 2D detections to 3D space by predicting additional regression and classification parameters and hence…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Nils Gählert , Jun-Jun Wan , Nicolas Jourdan , Jan Finkbeiner , Uwe Franke , Joachim Denzler

Most recent approaches to monocular 3D human pose estimation rely on Deep Learning. They typically involve regressing from an image to either 3D joint coordinates directly or 2D joint locations from which 3D coordinates are inferred. Both…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Bugra Tekin , Pablo Márquez-Neila , Mathieu Salzmann , Pascal Fua

Object pose estimation is a core perception task that enables, for example, object grasping and scene understanding. The widely available, inexpensive and high-resolution RGB sensors and CNNs that allow for fast inference based on this…

The on-board 3D object detection technology has received extensive attention as a critical technology for autonomous driving, while few studies have focused on applying roadside sensors in 3D traffic object detection. Existing studies…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Pei Liu , Zihao Zhang , Haipeng Liu , Nanfang Zheng , Meixin Zhu , Ziyuan Pu

Monocular 3D human pose and shape estimation is challenging due to the many degrees of freedom of the human body and thedifficulty to acquire training data for large-scale supervised learning in complex visual scenes. In this paper we…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Andrei Zanfir , Eduard Gabriel Bazavan , Hongyi Xu , Bill Freeman , Rahul Sukthankar , Cristian Sminchisescu

In this paper, we tackle the task of estimating the 3D orientation of previously-unseen objects from monocular images. This task contrasts with the one considered by most existing deep learning methods which typically assume that the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Chen Zhao , Yinlin Hu , Mathieu Salzmann