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We propose a novel approach for monocular 3D object detection by leveraging local perspective effects of each object. While the global perspective effect shown as size and position variations has been exploited for monocular 3D detection…

计算机视觉与模式识别 · 计算机科学 2023-01-06 Minghan Zhu , Lingting Ge , Panqu Wang , Huei Peng

Monocular 3D object detection (M3OD) has long faced challenges due to data scarcity caused by high annotation costs and inherent 2D-to-3D ambiguity. Although various weakly supervised methods and pseudo-labeling methods have been proposed…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Seokyeong Lee , Sithu Aung , Junyong Choi , Seungryong Kim , Ig-Jae Kim , Junghyun Cho

We propose a novel semi-supervised active learning (SSAL) framework for monocular 3D object detection with LiDAR guidance (MonoLiG), which leverages all modalities of collected data during model development. We utilize LiDAR to guide the…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Aral Hekimoglu , Michael Schmidt , Alvaro Marcos-Ramiro

3D object detection from a single image without LiDAR is a challenging task due to the lack of accurate depth information. Conventional 2D convolutions are unsuitable for this task because they fail to capture local object and its scale…

计算机视觉与模式识别 · 计算机科学 2019-12-16 Mingyu Ding , Yuqi Huo , Hongwei Yi , Zhe Wang , Jianping Shi , Zhiwu Lu , Ping Luo

Recognizing and localizing objects in the 3D space is a crucial ability for an AI agent to perceive its surrounding environment. While significant progress has been achieved with expensive LiDAR point clouds, it poses a great challenge for…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Li Wang , Li Zhang , Yi Zhu , Zhi Zhang , Tong He , Mu Li , Xiangyang Xue

Three-dimensional object detection from a single view is a challenging task which, if performed with good accuracy, is an important enabler of low-cost mobile robot perception. Previous approaches to this problem suffer either from an…

计算机视觉与模式识别 · 计算机科学 2019-06-21 Eskil Jörgensen , Christopher Zach , Fredrik Kahl

Transformers have shown promising progress in various visual object detection tasks, including monocular 2D/3D detection and surround-view 3D detection. More importantly, the attention mechanism in the Transformer model and the 3D…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Hanqing Sun , Yanwei Pang , Jiale Cao , Jin Xie , Xuelong Li

Compared to typical multi-sensor systems, monocular 3D object detection has attracted much attention due to its simple configuration. However, there is still a significant gap between LiDAR-based and monocular-based methods. In this paper,…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Chenxi Huang , Tong He , Haidong Ren , Wenxiao Wang , Binbin Lin , Deng Cai

Monocular 3D object detection (Mono3D) has achieved unprecedented success with the advent of deep learning techniques and emerging large-scale autonomous driving datasets. However, drastic performance degradation remains an unwell-studied…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Zhenyu Li , Zehui Chen , Ang Li , Liangji Fang , Qinhong Jiang , Xianming Liu , Junjun Jiang

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…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

In this work, we propose an efficient and accurate monocular 3D detection framework in single shot. Most successful 3D detectors take the projection constraint from the 3D bounding box to the 2D box as an important component. Four edges of…

计算机视觉与模式识别 · 计算机科学 2020-01-13 Peixuan Li , Huaici Zhao , Pengfei Liu , Feidao Cao

This work presents dense stereo reconstruction using high-resolution images for infrastructure inspections. The state-of-the-art stereo reconstruction methods, both learning and non-learning ones, consume too much computational resource on…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Yaoyu Hu , Weikun Zhen , Sebastian Scherer

Accurately detecting 3D objects from monocular images in dynamic roadside scenarios remains a challenging problem due to varying camera perspectives and unpredictable scene conditions. This paper introduces a two-stage training strategy to…

Computational stereo has reached a high level of accuracy, but degrades in the presence of occlusions, repeated textures, and correspondence errors along edges. We present a novel approach based on neural networks for depth estimation that…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Yinda Zhang , Neal Wadhwa , Sergio Orts-Escolano , Christian Häne , Sean Fanello , Rahul Garg

Monocular 3D object detection is an inherently ill-posed problem, as it is challenging to predict accurate 3D localization from a single image. Existing monocular 3D detection knowledge distillation methods usually project the LiDAR onto…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Sen Wang , Jin Zheng

Monocular 3D object detection (M3OD) is a significant yet inherently challenging task in autonomous driving due to absence of explicit depth cues in a single RGB image. In this paper, we strive to boost currently underperforming monocular…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Weijia Zhang , Dongnan Liu , Chao Ma , Weidong Cai

Monocular 3D object detection has attracted widespread attention due to its potential to accurately obtain object 3D localization from a single image at a low cost. Depth estimation is an essential but challenging subtask of monocular 3D…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Longfei Yan , Pei Yan , Shengzhou Xiong , Xuanyu Xiang , Yihua Tan

3D object detection is an essential task in autonomous driving. Recent techniques excel with highly accurate detection rates, provided the 3D input data is obtained from precise but expensive LiDAR technology. Approaches based on cheaper…

计算机视觉与模式识别 · 计算机科学 2020-02-25 Yan Wang , Wei-Lun Chao , Divyansh Garg , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

Monocular 3D Object Detection is an essential task for autonomous driving. Meanwhile, accurate 3D object detection from pure images is very challenging due to the loss of depth information. Most existing image-based methods infer objects'…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Kaixin Xiong , Dingyuan Zhang , Dingkang Liang , Zhe Liu , Hongcheng Yang , Wondimu Dikubab , Jianwei Cheng , Xiang Bai

Stereo vision generally involves the computation of pixel correspondences and estimation of disparities between rectified image pairs. In many applications, including simultaneous localization and mapping (SLAM) and 3D object detection, the…

计算机视觉与模式识别 · 计算机科学 2020-11-11 WeiQin Chuah , Ruwan Tennakoon , Reza Hoseinnezhad , Alireza Bab-Hadiashar , David Suter