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Related papers: Toward Accurate Camera-based 3D Object Detection v…

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Monocular depth estimation (MDE) aims to transform an RGB image of a scene into a pixelwise depth map from the same camera view. It is fundamentally ill-posed due to missing information: any single image can have been taken from many…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Dylan Auty , Krystian Mikolajczyk

This paper reports a new continuous 3D loss function for learning depth from monocular images. The dense depth prediction from a monocular image is supervised using sparse LIDAR points, which enables us to leverage available open source…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

Current geometry-based monocular 3D object detection models can efficiently detect objects by leveraging perspective geometry, but their performance is limited due to the absence of accurate depth information. Though this issue can be…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Chenhang He , Jianqiang Huang , Xian-Sheng Hua , Lei Zhang

Monocular 3D object detection is challenging due to the lack of accurate depth. However, existing depth-assisted solutions still exhibit inferior performance, whose reason is universally acknowledged as the unsatisfactory accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Qiude Zhang , Chunyu Lin , Zhijie Shen , Nie Lang , Yao Zhao

Anchor-free object detectors are highly efficient in performing point-based prediction without the need for extra post-processing of anchors. However, different from the 2D grids, the 3D points used in these detectors are often far from the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Yingping Liang , Ying Fu

Good 3D object detection performance from LiDAR-Camera sensors demands seamless feature alignment and fusion strategies. We propose the 3DifFusionDet framework in this paper, which structures 3D object detection as a denoising diffusion…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Xinhao Xiang , Simon Dräger , Jiawei Zhang

Transformer-based methods have swept the benchmarks on 2D and 3D detection on images. Because tokenization before the attention mechanism drops the spatial information, positional encoding becomes critical for those methods. Recent works…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Changyong Shu , JIajun Deng , Fisher Yu , Yifan Liu

This work proposes a process for efficiently training a point-wise object detector that enables localizing objects and computing their 6D poses in cluttered and occluded scenes. Accurate pose estimation is typically a requirement for robust…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Jean-Philippe Mercier , Chaitanya Mitash , Philippe Giguère , Abdeslam Boularias

The dense depth estimation of a 3D scene has numerous applications, mainly in robotics and surveillance. LiDAR and radar sensors are the hardware solution for real-time depth estimation, but these sensors produce sparse depth maps and are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Alwyn Mathew , Aditya Prakash Patra , Jimson Mathew

The absolute depth values of surrounding environments provide crucial cues for various assistive technologies, such as localization, navigation, and 3D structure estimation. We propose that accurate depth estimated from panoramic images can…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Junho Kim , Eun Sun Lee , Young Min Kim

Monocular 3D detection has drawn much attention from the community due to its low cost and setup simplicity. It takes an RGB image as input and predicts 3D boxes in the 3D space. The most challenging sub-task lies in the instance depth…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Liang Peng , Xiaopei Wu , Zheng Yang , Haifeng Liu , Deng Cai

Accurate monocular metric depth estimation (MMDE) is crucial to solving downstream tasks in 3D perception and modeling. However, the remarkable accuracy of recent MMDE methods is confined to their training domains. These methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Luigi Piccinelli , Yung-Hsu Yang , Christos Sakaridis , Mattia Segu , Siyuan Li , Luc Van Gool , Fisher Yu

Recent works have demonstrated the importance of object completion in 3D Perception from Lidar signal. Several methods have been proposed in which modules were used to densify the point clouds produced by laser scanners, leading to better…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Tianran Liu , Zeping Zhang , Morteza Mousa Pasandi , Robert Laganiere

A reliable and accurate 3D tracking framework is essential for predicting future locations of surrounding objects and planning the observer's actions in numerous applications such as autonomous driving. We propose a framework that can…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Hou-Ning Hu , Yung-Hsu Yang , Tobias Fischer , Trevor Darrell , Fisher Yu , Min Sun

Monocular 3D object detection aims to locate objects in different scenes with just a single image. Due to the absence of depth information, several monocular 3D detection techniques have emerged that rely on auxiliary depth maps from the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Xianhui Cheng , Shoumeng Qiu , Zhikang Zou , Jian Pu , Xiangyang Xue

In recent years, self-supervised methods for monocular depth estimation has rapidly become an significant branch of depth estimation task, especially for autonomous driving applications. Despite the high overall precision achieved, current…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Feng Xue , Guirong Zhuo , Ziyuan Huang , Wufei Fu , Zhuoyue Wu , Marcelo H. Ang

We present an approach for detecting and estimating the 3D poses of objects in images that requires only an untextured CAD model and no training phase for new objects. Our approach combines Deep Learning and 3D geometry: It relies on an…

Computer Vision and Pattern Recognition · Computer Science 2020-10-09 Giorgia Pitteri , Aurélie Bugeau , Slobodan Ilic , Vincent Lepetit

Camera-only 3D object detection is critical for autonomous driving, offering a cost-effective alternative to LiDAR based methods. In particular, multi-view 3D object detection has emerged as a promising direction due to its balanced…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Hongjing Wu , Cheng Chi , Jinlin Wu , Yanzhao Su , Zhen Lei , Wenqi Ren

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Jacek Komorowski

Though 3D object detection from point clouds has achieved rapid progress in recent years, the lack of flexible and high-performance proposal refinement remains a great hurdle for existing state-of-the-art two-stage detectors. Previous works…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Hualian Sheng , Sijia Cai , Yuan Liu , Bing Deng , Jianqiang Huang , Xian-Sheng Hua , Min-Jian Zhao