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Recent years have witnessed huge successes in 3D object detection to recognize common objects for autonomous driving (e.g., vehicles and pedestrians). However, most methods rely heavily on a large amount of well-labeled training data. This…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Jiawei Liu , Xingping Dong , Sanyuan Zhao , Jianbing Shen

Monocular 3D detection (M3D) aims for precise 3D object localization from a single-view image which usually involves labor-intensive annotation of 3D detection boxes. Weakly supervised M3D has recently been studied to obviate the 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Xueying Jiang , Sheng Jin , Lewei Lu , Xiaoqin Zhang , Shijian Lu

Estimating 3D orientation and translation of objects is essential for infrastructure-less autonomous navigation and driving. In case of monocular vision, successful methods have been mainly based on two ingredients: (i) a network generating…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Zechen Liu , Zizhang Wu , Roland Tóth

Representing scenes at the granularity of objects is a prerequisite for scene understanding and decision making. We propose PriSMONet, a novel approach based on Prior Shape knowledge for learning Multi-Object 3D scene decomposition and…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Cathrin Elich , Martin R. Oswald , Marc Pollefeys , Joerg Stueckler

The task of detecting 3D objects is important to various robotic applications. The existing deep learning-based detection techniques have achieved impressive performance. However, these techniques are limited to run with a graphics…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Xuesong Li , Jose Guivant , Subhan Khan

While 3D object detection and pose estimation has been studied for a long time, its evaluation is not yet completely satisfactory. Indeed, existing datasets typically consist in numerous acquisitions of only a few scenes because of the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-22 Romain Brégier , Frédéric Devernay , Laetitia Leyrit , James Crowley

Learning to ground natural language queries to target objects or regions in 3D point clouds is quite essential for 3D scene understanding. Nevertheless, existing 3D visual grounding approaches require a substantial number of bounding box…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiaoxu Xu , Yitian Yuan , Qiudan Zhang , Wenhui Wu , Zequn Jie , Lin Ma , Xu Wang

We address the problem of weakly supervised object localization where only image-level annotations are available for training object detectors. Numerous methods have been proposed to tackle this problem through mining object proposals.…

Computer Vision and Pattern Recognition · Computer Science 2017-10-13 Dong Li , Jia-Bin Huang , Yali Li , Shengjin Wang , Ming-Hsuan Yang

In this work, we build a modular-designed codebase, formulate strong training recipes, design an error diagnosis toolbox, and discuss current methods for image-based 3D object detection. In particular, different from other highly mature…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Xinzhu Ma , Yongtao Wang , Yinmin Zhang , Zhiyi Xia , Yuan Meng , Zhihui Wang , Haojie Li , Wanli Ouyang

As 3D object detection on point clouds relies on the geometrical relationships between the points, non-standard object shapes can hinder a method's detection capability. However, in safety-critical settings, robustness to out-of-domain and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Alexander Lehner , Stefano Gasperini , Alvaro Marcos-Ramiro , Michael Schmidt , Mohammad-Ali Nikouei Mahani , Nassir Navab , Benjamin Busam , Federico Tombari

Recent advances in deep learning greatly boost the performance of object detection. State-of-the-art methods such as Faster-RCNN, FPN and R-FCN have achieved high accuracy in challenging benchmark datasets. However, these methods require…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Hao Yang , Hao Wu , Hao Chen

This paper introduces a novel weighted unsupervised learning for object detection using an RGB-D camera. This technique is feasible for detecting the moving objects in the noisy environments that are captured by an RGB-D camera. The main…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Kamran Kowsari , Manal H. Alassaf

Object detection has achieved promising success, but requires large-scale fully-annotated data, which is time-consuming and labor-extensive. Therefore, we consider object detection with mixed supervision, which learns novel object…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Yan Liu , Zhijie Zhang , Li Niu , Junjie Chen , Liqing Zhang

3D object detection from point clouds is crucial in safety-critical autonomous driving. Although many works have made great efforts and achieved significant progress on this task, most of them suffer from expensive annotation cost and poor…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Qianjiang Hu , Daizong Liu , Wei Hu

A vision model with general-purpose object-level 3D understanding should be capable of inferring both 2D (e.g., class name and bounding box) and 3D information (e.g., 3D location and 3D viewpoint) for arbitrary rigid objects in natural…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Wufei Ma , Guanning Zeng , Guofeng Zhang , Qihao Liu , Letian Zhang , Adam Kortylewski , Yaoyao Liu , Alan Yuille

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

Pixel-wise clean annotation is necessary for fully-supervised semantic segmentation, which is laborious and expensive to obtain. In this paper, we propose a weakly supervised 2D semantic segmentation model by incorporating sparse bounding…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Weixuan Sun , Jing Zhang , Nick Barnes

A major element of depth perception and 3D understanding is the ability to predict the 3D layout of a scene and its contained objects for a novel pose. Indoor environments are particularly suitable for novel view prediction, since the set…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 Pulak Purkait , Ujwal Bonde , Christopher Zach

Wide-range and fine-grained vehicle detection plays a critical role in enabling active safety features in intelligent driving systems. However, existing vehicle detection methods based on rectangular bounding boxes (BBox) often struggle…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Zhupeng Ye , Yinqi Li , Zejian Yuan

Point cloud salient object detection has attracted the attention of researchers in recent years. Since existing works do not fully utilize the geometry context of 3D objects, blurry boundaries are generated when segmenting objects with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Chen Wang , Liyuan Zhang , Le Hui , Qi Liu , Yuchao Dai