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Understanding and extracting 3D information of objects from monocular 2D images is a fundamental problem in computer vision. In the task of 3D object pose estimation, recent data driven deep neural network based approaches suffer from…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Jogendra Nath Kundu , Aditya Ganeshan , Rahul M. V. , Aditya Prakash , R. Venkatesh Babu

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

Training high-accuracy 3D detectors necessitates massive labeled 3D annotations with 7 degree-of-freedom, which is laborious and time-consuming. Therefore, the form of point annotations is proposed to offer significant prospects for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Hongzhi Gao , Zheng Chen , Zehui Chen , Lin Chen , Jiaming Liu , Shanghang Zhang , Feng Zhao

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo

This paper describes recent developments in object specific pose and shape prediction from single images. The main contribution is a new approach to camera pose prediction by self-supervised learning of keypoints corresponding to locations…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Zahra Gharaee , Felix Järemo Lawin , Per-Erik Forssén

To ensure safe urban driving for autonomous platforms, it is crucial not only to develop high-performance object detection techniques but also to establish a diverse and representative dataset that captures various urban environments and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Jin-Hee Lee , Jae-Keun Lee , Je-Seok Kim , Soon Kwon

For autonomous vehicles, driving safely is highly dependent on the capability to correctly perceive the environment in 3D space, hence the task of 3D object detection represents a fundamental aspect of perception. While 3D sensors deliver…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Issa Mouawad , Nikolas Brasch , Fabian Manhardt , Federico Tombari , Francesca Odone

To obtain 3D annotations, we are restricted to controlled environments or synthetic datasets, leading us to 3D datasets with less generalizability to real-world scenarios. To tackle this issue in the context of semi-supervised 3D hand shape…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Samira Kaviani , Amir Rahimi , Richard Hartley

Representation learning approaches typically rely on images of objects captured from a single perspective that are transformed using affine transformations. Additionally, self-supervised learning, a successful paradigm of representation…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Omiros Pantazis , Mathew Salvaris

Accurate prediction of 3D semantic occupancy from 2D visual images is vital in enabling autonomous agents to comprehend their surroundings for planning and navigation. State-of-the-art methods typically employ fully supervised approaches,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Duc-Hai Pham , Duc-Dung Nguyen , Anh Pham , Tuan Ho , Phong Nguyen , Khoi Nguyen , Rang Nguyen

In this work we study indoor scene object placement. Given a 3D indoor scene and an object, the task is to predict placement locations within the scene. Empirical observations of data-driven approaches to the problem show their tendency to…

Graphics · Computer Science 2026-05-05 Adrian Chang , Kai Wang , Yuanbo Li , Manolis Savva , Angel X. Chang , Daniel Ritchie

Self-supervised learning methods have witnessed a recent surge of interest after proving successful in multiple application fields. In this work, we leverage these techniques, and we propose 3D versions for five different self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Aiham Taleb , Winfried Loetzsch , Noel Danz , Julius Severin , Thomas Gaertner , Benjamin Bergner , Christoph Lippert

Unsupervised learning poses one of the most difficult challenges in computer vision today. The task has an immense practical value with many applications in artificial intelligence and emerging technologies, as large quantities of unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

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

Semi-supervised 3D object detection (SS3DOD) aims to reduce costly 3D annotations utilizing unlabeled data. Recent studies adopt pseudo-label-based teacher-student frameworks and demonstrate impressive performance. The main challenge of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Taehun Kong , Tae-Kyun Kim

Unsupervised object modeling is important in robotics, especially for handling a large set of objects. We present a method for unsupervised 3D object discovery, reconstruction, and localization that exploits multiple instances of an…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Wim Abbeloos , Esra Ataer-Cansizoglu , Sergio Caccamo , Yuichi Taguchi , Yukiyasu Domae

Accurate 7DoF prediction of vehicles at an intersection is an important task for assessing potential conflicts between road users. In principle, this could be achieved by a single camera system that is capable of detecting the pose of each…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Matthew Howe , Ian Reid , Jamie Mackenzie

Self-supervision can dramatically cut back the amount of manually-labelled data required to train deep neural networks. While self-supervision has usually been considered for tasks such as image classification, in this paper we aim at…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 David Novotny , Samuel Albanie , Diane Larlus , Andrea Vedaldi

While much progress has been made on the task of 3D point cloud registration, there still exists no learning-based method able to estimate the 6D pose of an object observed by a 2.5D sensor in a scene. The challenges of this scenario…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Zheng Dang , Fei Wang , Mathieu Salzmann

Current CNN-based algorithms for recovering the 3D pose of an object in an image assume knowledge about both the object category and its 2D localization in the image. In this paper, we relax one of these constraints and propose to solve the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Siddharth Mahendran , Haider Ali , Rene Vidal
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