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Monocular cameras are extensively employed in indoor robotics, but their performance is limited in visual odometry, depth estimation, and related applications due to the absence of scale information.Depth estimation refers to the process of…

机器人学 · 计算机科学 2023-09-15 Yehao Liu , Ruoyan Xia , Xiaosu Xu , Zijian Wang , Yiqing Ya , Mingze Fan

Joint camera pose and dense geometry estimation from a set of images or a monocular video remains a challenging problem due to its computational complexity and inherent visual ambiguities. Most dense incremental reconstruction systems…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Kirill Mazur , Gwangbin Bae , Andrew J. Davison

There have been attempts to detect 3D objects by fusion of stereo camera images and LiDAR sensor data or using LiDAR for pre-training and only monocular images for testing, but there have been less attempts to use only monocular image…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Curie Kim , Ue-Hwan Kim , Jong-Hwan Kim

Most 3D reconstruction methods may only recover scene properties up to a global scale ambiguity. We present a novel approach to single view metrology that can recover the absolute scale of a scene represented by 3D heights of objects or…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Rui Zhu , Xingyi Yang , Yannick Hold-Geoffroy , Federico Perazzi , Jonathan Eisenmann , Kalyan Sunkavalli , Manmohan Chandraker

Estimation of the human pose from a monocular camera has been an emerging research topic in the computer vision community with many applications. Recently, benefited from the deep learning technologies, a significant amount of research…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Wu Liu , Qian Bao , Yu Sun , Tao Mei

Recently, RGBD-based category-level 6D object pose estimation has achieved promising improvement in performance, however, the requirement of depth information prohibits broader applications. In order to relieve this problem, this paper…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Zhaoxin Fan , Zhenbo Song , Jian Xu , Zhicheng Wang , Kejian Wu , Hongyan Liu , Jun He

Event cameras are neuromorphically inspired sensors that sparsely and asynchronously report brightness changes. Their unique characteristics of high temporal resolution, high dynamic range, and low power consumption make them well-suited…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Haitao Meng , Chonghao Zhong , Sheng Tang , Lian JunJia , Wenwei Lin , Zhenshan Bing , Yi Chang , Gang Chen , Alois Knoll

Monocular image-based 3D perception has become an active research area in recent years owing to its applications in autonomous driving. Approaches to monocular 3D perception including detection and tracking, however, often yield inferior…

Transparent object perception is indispensable for numerous robotic tasks. However, accurately segmenting and estimating the depth of transparent objects remain challenging due to complex optical properties. Existing methods primarily delve…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Jiangyuan Liu , Hongxuan Ma , Yuxin Guo , Yuhao Zhao , Chi Zhang , Wei Sui , Wei Zou

We present a novel method to train machine learning algorithms to estimate scene depths from a single image, by using the information provided by a camera's aperture as supervision. Prior works use a depth sensor's outputs or images of the…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Pratul P. Srinivasan , Rahul Garg , Neal Wadhwa , Ren Ng , Jonathan T. Barron

Depth estimation is usually ill-posed and ambiguous for monocular camera-based 3D multi-person pose estimation. Since LiDAR can capture accurate depth information in long-range scenes, it can benefit both the global localization of…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Peishan Cong , Yiteng Xu , Yiming Ren , Juze Zhang , Lan Xu , Jingya Wang , Jingyi Yu , Yuexin Ma

3D object detection based on monocular camera data is a key enabler for autonomous driving. The task however, is ill-posed due to lack of depth information in 2D images. Recent deep learning methods show promising results to recover depth…

计算机视觉与模式识别 · 计算机科学 2020-05-18 Felix Nobis , Fabian Brunhuber , Simon Janssen , Johannes Betz , Markus Lienkamp

We present a novel one-shot method for object detection and 6 DoF pose estimation, that does not require training on target objects. At test time, it takes as input a target image and a textured 3D query model. The core idea is to represent…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Ivan Shugurov , Fu Li , Benjamin Busam , Slobodan Ilic

3D object detection is still an open problem in autonomous driving scenes. When recognizing and localizing key objects from sparse 3D inputs, autonomous vehicles suffer from a larger continuous searching space and higher fore-background…

计算机视觉与模式识别 · 计算机科学 2019-01-17 Peng Yun , Lei Tai , Yuan Wang , Chengju Liu , Ming Liu

We introduce FocalPose++, a neural render-and-compare method for jointly estimating the camera-object 6D pose and camera focal length given a single RGB input image depicting a known object. The contributions of this work are threefold.…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Martin Cífka , Georgy Ponimatkin , Yann Labbé , Bryan Russell , Mathieu Aubry , Vladimir Petrik , Josef Sivic

Visual feature pyramid has shown its superiority in both effectiveness and efficiency in a wide range of applications. However, the existing methods exorbitantly concentrate on the inter-layer feature interactions but ignore the intra-layer…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yu Quan , Dong Zhang , Liyan Zhang , Jinhui Tang

Accurate height estimation from monocular aerial imagery presents a significant challenge due to its inherently ill-posed nature. This limitation is rooted in the absence of adequate geometric constraints available to the model when…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Xiaomou Hou , Wanshui Gan , Naoto Yokoya

Monocular image-based 3D reconstruction of faces is a long-standing problem in computer vision. Since image data is a 2D projection of a 3D face, the resulting depth ambiguity makes the problem ill-posed. Most existing methods rely on…

Monocular Semantic Occupancy Prediction aims to infer the complete 3D geometry and semantic information of scenes from only 2D images. It has garnered significant attention, particularly due to its potential to enhance the 3D perception of…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Yupeng Zheng , Xiang Li , Pengfei Li , Yuhang Zheng , Bu Jin , Chengliang Zhong , Xiaoxiao Long , Hao Zhao , Qichao 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…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Qiude Zhang , Chunyu Lin , Zhijie Shen , Nie Lang , Yao Zhao