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Related papers: Large Scale Novel Object Discovery in 3D

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Can objects that are not visible in an image -- but are in the vicinity of the camera -- be detected? This study introduces the novel tasks of 2D, 2.5D and 3D unobserved object detection for predicting the location of nearby objects that…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Subhransu S. Bhattacharjee , Dylan Campbell , Rahul Shome

Open-vocabulary 3D Object Detection (OV-3DDet) aims to detect objects from an arbitrary list of categories within a 3D scene, which remains seldom explored in the literature. There are primarily two fundamental problems in OV-3DDet, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Yang Cao , Yihan Zeng , Hang Xu , Dan Xu

Convolutional Neural Networks (CNNs) have emerged as a powerful strategy for most object detection tasks on 2D images. However, their power has not been fully realised for detecting 3D objects in point clouds directly without converting…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Mingtao Feng , Syed Zulqarnain Gilani , Yaonan Wang , Liang Zhang , Ajmal Mian

Image-only and pseudo-LiDAR representations are commonly used for monocular 3D object detection. However, methods based on them have shortcomings of either not well capturing the spatial relationships in neighbored image pixels or being…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Liang Peng , Fei Liu , Senbo Yan , Xiaofei He , Deng Cai

In this paper, we study the problem of unsupervised object detection from 3D point clouds in self-driving scenes. We present a simple yet effective method that exploits (i) point clustering in near-range areas where the point clouds are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Lunjun Zhang , Anqi Joyce Yang , Yuwen Xiong , Sergio Casas , Bin Yang , Mengye Ren , Raquel Urtasun

In this work, we propose a novel two-stage framework for the efficient 3D point cloud object detection. Instead of transforming point clouds into 2D bird eye view projections, we parse the raw point cloud data directly in the 3D space yet…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Zhaoyu Su , Pin Siang Tan , Yu-Hsing Wang

Determining the relative pose of a previously unseen object between two images is pivotal to the success of generalizable object pose estimation. Existing approaches typically predict 3D translation utilizing the ground-truth object…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Chen Zhao , Tong Zhang , Zheng Dang , Mathieu Salzmann

Existing approaches for unsupervised point cloud pre-training are constrained to either scene-level or point/voxel-level instance discrimination. Scene-level methods tend to lose local details that are crucial for recognizing the road…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Junbo Yin , Dingfu Zhou , Liangjun Zhang , Jin Fang , Cheng-Zhong Xu , Jianbing Shen , Wenguan Wang

We consider the problem of scaling deep generative shape models to high-resolution. Drawing motivation from the canonical view representation of objects, we introduce a novel method for the fast up-sampling of 3D objects in voxel space…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Edward Smith , Scott Fujimoto , David Meger

Object detection and classification is one of the most important computer vision problems. Ever since the introduction of deep learning \cite{krizhevsky2012imagenet}, we have witnessed a dramatic increase in the accuracy of this object…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Gurjeet Singh , Sun Miao , Shi Shi , Patrick Chiang

We tackle the problem of object-centric learning on point clouds, which is crucial for high-level relational reasoning and scalable machine intelligence. In particular, we introduce a framework, SPAIR3D, to factorize a 3D point cloud into a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Tianyu Wang , Miaomiao Liu , Kee Siong Ng

Current perception models have achieved remarkable success by leveraging large-scale labeled datasets, but still face challenges in open-world environments with novel objects. To address this limitation, researchers introduce open-set…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Zhiwei Lin , Yongtao Wang

We address the challenging task of 3D object segmentation in complex scene point clouds without relying on any scene-level human annotations during training. Existing methods are typically constrained to identifying simple objects,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Zihui Zhang , Zhixuan Sun , Yafei Yang , Jinxi Li , Jiahao Chen , Bo Yang

Open-vocabulary 3D object detection methods are able to localize 3D boxes of classes unseen during training. Despite the name, existing methods rely on user-specified classes both at training and inference. We propose to study…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Haomeng Zhang , Kuan-Chuan Peng , Suhas Lohit , Raymond A. Yeh

Inferring 3D locations and shapes of multiple objects from a single 2D image is a long-standing objective of computer vision. Most of the existing works either predict one of these 3D properties or focus on solving both for a single object.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Feng Liu , Xiaoming Liu

We present a method to populate an unknown environment with models of previously seen objects, placed in a Euclidean reference frame that is inferred causally and on-line using monocular video along with inertial sensors. The system we…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Xiaohan Fei , Stefano Soatto

In this paper, we focus on exploring the fusion of images and point clouds for 3D object detection in view of the complementary nature of the two modalities, i.e., images possess more semantic information while point clouds specialize in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Ming Zhu , Chao Ma , Pan Ji , Xiaokang Yang

Current 6D object pose estimation methods usually require a 3D model for each object. These methods also require additional training in order to incorporate new objects. As a result, they are difficult to scale to a large number of objects…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 Keunhong Park , Arsalan Mousavian , Yu Xiang , Dieter Fox

Detecting objects from LiDAR point clouds is an important component of self-driving car technology as LiDAR provides high resolution spatial information. Previous work on point-cloud 3D object detection has re-purposed convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Jiquan Ngiam , Benjamin Caine , Wei Han , Brandon Yang , Yuning Chai , Pei Sun , Yin Zhou , Xi Yi , Ouais Alsharif , Patrick Nguyen , Zhifeng Chen , Jonathon Shlens , Vijay Vasudevan

Real-time 3D object detection is crucial for autonomous cars. Achieving promising performance with high efficiency, voxel-based approaches have received considerable attention. However, previous methods model the input space with features…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Jun Wang , Shiyi Lan , Mingfei Gao , Larry S. Davis