中文
相关论文

相关论文: SIM-Sync: From Certifiably Optimal Synchronization…

200 篇论文

Determining the position and orientation of a calibrated camera from a single image with respect to a 3D model is an essential task for many applications. When 2D-3D correspondences can be obtained reliably, perspective-n-point solvers can…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Dylan Campbell , Lars Petersson , Laurent Kneip , Hongdong Li , Stephen Gould

Visual place recognition techniques based on deep learning, which have imposed themselves as the state-of-the-art in recent years, do not generalize well to environments visually different from the training set. Thus, to achieve top…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Pierre-Yves Lajoie , Giovanni Beltrame

We introduce the Shape-Image Multimodal Network (SIM-Net), a novel 2D image classification architecture that integrates 3D point cloud representations inferred directly from RGB images. Our key contribution lies in a pixel-to-point…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Youcef Sklab , Hanane Ariouat , Eric Chenin , Edi Prifti , Jean-Daniel Zucker

Learning model-free object pose estimation for unseen instances remains a fundamental challenge in 3D vision. Existing methods typically fall into two disjoint paradigms: category-level approaches predict absolute poses in a canonical space…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Weihang Li , Lorenzo Garattoni , Fabien Despinoy , Nassir Navab , Benjamin Busam

This paper presents a collaborative implicit neural simultaneous localization and mapping (SLAM) system with RGB-D image sequences, which consists of complete front-end and back-end modules including odometry, loop detection, sub-map…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Jiarui Hu , Mao Mao , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

Tracking the 6D pose of objects in video sequences is important for robot manipulation. This work presents se(3)-TrackNet, a data-driven optimization approach for long term, 6D pose tracking. It aims to identify the optimal relative pose…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Bowen Wen , Chaitanya Mitash , Kostas Bekris

While the keypoint-based maps created by sparse monocular simultaneous localisation and mapping (SLAM) systems are useful for camera tracking, dense 3D reconstructions may be desired for many robotic tasks. Solutions involving depth cameras…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Tristan Laidlow , Jan Czarnowski , Stefan Leutenegger

It is an exciting task to recover the scene's 3d-structure and camera pose from the video sequence. Most of the current solutions divide it into two parts, monocular depth recovery and camera pose estimation. The monocular depth recovery is…

计算机视觉与模式识别 · 计算机科学 2018-05-24 YanTong Wu , Yang Liu

LiDAR and cameras are complementary sensors for 3D object detection in autonomous driving. However, it is challenging to explore the unnatural interaction between point clouds and images, and the critical factor is how to conduct feature…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Ziying Song , Haiyue Wei , Lin Bai , Lei Yang , Caiyan Jia

Applications from manipulation to autonomous vehicles rely on robust and general object tracking to safely perform tasks in dynamic environments. We propose the first certifiably optimal category-level approach for simultaneous shape…

机器人学 · 计算机科学 2024-12-09 Lorenzo Shaikewitz , Samuel Ubellacker , Luca Carlone

A 3D point cloud is often synthesized from depth measurements collected by sensors at different viewpoints. The acquired measurements are typically both coarse in precision and corrupted by noise. To improve quality, previous works denoise…

图像与视频处理 · 电气工程与系统科学 2020-02-12 Xue Zhang , Gene Cheung , Jiahao Pang , Dong Tian

Convolutional neural networks have recently been used for multi-focus image fusion. However, due to the lack of labeled data for supervised training of such networks, existing methods have resorted to adding Gaussian blur in focused images…

计算机视觉与模式识别 · 计算机科学 2018-06-20 Xiang Yan , Syed Zulqarnain Gilani , Hanlin Qin , Ajmal Mian

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

Image stitching synthesizes images captured from multiple perspectives into a single image with a broader field of view. The significant variations in object depth often lead to large parallax, resulting in ghosting and misalignment in the…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Zhiying Jiang , Ruhao Yan , Zengxi Zhang , Bowei Zhang , Jinyuan Liu

We propose a keypoint-based object-level SLAM framework that can provide globally consistent 6DoF pose estimates for symmetric and asymmetric objects alike. To the best of our knowledge, our system is among the first to utilize the camera…

机器人学 · 计算机科学 2022-07-14 Nathaniel Merrill , Yuliang Guo , Xingxing Zuo , Xinyu Huang , Stefan Leutenegger , Xi Peng , Liu Ren , Guoquan Huang

Zero-shot Image Captioning (ZIC) increasingly utilizes synthetic datasets generated by text-to-image (T2I) models to mitigate the need for costly manual annotation. However, these T2I models often produce images that exhibit semantic…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Si-Woo Kim , MinJu Jeon , Ye-Chan Kim , Soeun Lee , Taewhan Kim , Dong-Jin Kim

This article presents GLIM, a 3D range-inertial localization and mapping framework with GPU-accelerated scan matching factors. The odometry estimation module of GLIM employs a combination of fixed-lag smoothing and keyframe-based point…

机器人学 · 计算机科学 2024-07-16 Kenji Koide , Masashi Yokozuka , Shuji Oishi , Atsuhiko Banno

We present a consensus-based distributed pose graph optimization algorithm for obtaining an estimate of the 3D translation and rotation of each pose in a pose graph, given noisy relative measurements between poses. The algorithm, called…

机器人学 · 计算机科学 2020-10-02 Eric Cristofalo , Eduardo Montijano , Mac Schwager

3D human pose estimation is frequently seen as the task of estimating 3D poses relative to the root body joint. Alternatively, we propose a 3D human pose estimation method in camera coordinates, which allows effective combination of 2D…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Diogo C Luvizon , Hedi Tabia , David Picard

We present SLAIM - Simultaneous Localization and Implicit Mapping. We propose a novel coarse-to-fine tracking model tailored for Neural Radiance Field SLAM (NeRF-SLAM) to achieve state-of-the-art tracking performance. Notably, existing…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Vincent Cartillier , Grant Schindler , Irfan Essa