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The accurate and robust calibration result of sensors is considered as an important building block to the follow-up research in the autonomous driving and robotics domain. The current works involving extrinsic calibration between 3D LiDARs…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Su Wang , Shini Zhang , Xuchong Qiu

Estimating the 6D pose of objects using only RGB images remains challenging because of problems such as occlusion and symmetries. It is also difficult to construct 3D models with precise texture without expert knowledge or specialized…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Kiru Park , Timothy Patten , Markus Vincze

Rotation estimation plays a fundamental role in many computer vision and robot tasks. However, efficiently estimating rotation in large inputs containing numerous outliers (i.e., mismatches) and noise is a recognized challenge. Many robust…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Taosi Xu , Yinlong Liu , Xianbo Wang , Zhi-Xin Yang

We present MOSAIC-GS, a novel, fully explicit, and computationally efficient approach for high-fidelity dynamic scene reconstruction from monocular videos using Gaussian Splatting. Monocular reconstruction is inherently ill-posed due to the…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Svitlana Morkva , Maximum Wilder-Smith , Michael Oechsle , Alessio Tonioni , Marco Hutter , Vaishakh Patil

Background and aim: Image registration and alignment are the main limitations of augmented reality-based knee replacement surgery. This research aims to decrease the registration error, eliminate outcomes that are trapped in local minima to…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Nitish Maharjan , Abeer Alsadoon , P. W. C. Prasad , Salma Abdullah , Tarik A. Rashid

Accurately capturing dynamic scenes with wide-ranging motion and light intensity is crucial for many vision applications. However, acquiring high-speed high dynamic range (HDR) video is challenging because the camera's frame rate restricts…

图像与视频处理 · 电气工程与系统科学 2024-04-26 Caixin Wang , Jie Zhang , Matthew A. Wilson , Ralph Etienne-Cummings

The line is a prevalent element in man-made environments, inherently encoding spatial structural information, thus making it a more robust choice for feature representation in practical applications. Despite its apparent advantages,…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yongcong Zhang , Bangyan Liao , Yifei Xue , Chen Lu , Peidong Liu , Yizhen Lao

We study the video super-resolution (SR) problem for facilitating video analytics tasks, e.g. action recognition, instead of for visual quality. The popular action recognition methods based on convolutional networks, exemplified by…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Haochen Zhang , Dong Liu , Zhiwei Xiong

Probabilistic collision detection (PCD) is essential in motion planning for robots operating in unstructured environments, where considering sensing uncertainty helps prevent damage. Existing PCD methods mainly used simplified geometric…

机器人学 · 计算机科学 2025-08-28 Xiaoli Wang , Sipu Ruan , Xin Meng , Gregory Chirikjian

Recent advances in video super-resolution have shown that convolutional neural networks combined with motion compensation are able to merge information from multiple low-resolution (LR) frames to generate high-quality images. Current…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Mehdi S. M. Sajjadi , Raviteja Vemulapalli , Matthew Brown

Non-line-of-sight (NLOS) imaging is based on capturing the multi-bounce indirect reflections from the hidden objects. Active NLOS imaging systems rely on the capture of the time of flight of light through the scene, and have shown great…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Jiayong Peng , Fangzhou Mu , Ji Hyun Nam , Siddeshwar Raghavan , Yin Li , Andreas Velten , Zhiwei Xiong

6-DoF object pose estimation from a monocular image is challenging, and a post-refinement procedure is generally needed for high-precision estimation. In this paper, we propose a framework based on a recurrent neural network (RNN) for…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Yan Xu , Kwan-Yee Lin , Guofeng Zhang , Xiaogang Wang , Hongsheng Li

Rectifying the orientation of images represents a daily task for every photographer. This task may be complicated even for the human eye, especially when the horizon or other horizontal and vertical lines in the image are missing. In this…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Ionut Mironica , Andrei Zugravu

In this paper, we address common error sources for 3D Gaussian Splatting (3DGS) including blur, imperfect camera poses, and color inconsistencies, with the goal of improving its robustness for practical applications like reconstructions…

计算机视觉与模式识别 · 计算机科学 2024-04-08 François Darmon , Lorenzo Porzi , Samuel Rota-Bulò , Peter Kontschieder

We consider the problem of controlling a Linear Quadratic Regulator (LQR) system over a finite horizon $T$ with fixed and known cost matrices $Q,R$, but unknown and non-stationary dynamics $\{A_t, B_t\}$. The sequence of dynamics matrices…

机器学习 · 计算机科学 2022-03-21 Yuwei Luo , Varun Gupta , Mladen Kolar

Estimating 3D poses from a monocular video is still a challenging task, despite the significant progress that has been made in recent years. Generally, the performance of existing methods drops when the target person is too small/large, or…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Yu Cheng , Bo Yang , Bo Wang , Robby T. Tan

Reconstructing dynamic 3D scenes from 2D images and generating diverse views over time is challenging due to scene complexity and temporal dynamics. Despite advancements in neural implicit models, limitations persist: (i) Inadequate Scene…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Zeyu Yang , Hongye Yang , Zijie Pan , Li Zhang

The vast majority of modern consumer-grade cameras employ a rolling shutter mechanism. In dynamic geometric computer vision applications such as visual SLAM, the so-called rolling shutter effect therefore needs to be properly taken into…

计算机视觉与模式识别 · 计算机科学 2016-05-03 Yuchao Dai , Hongdong Li , Laurent Kneip

To determine the 3D orientation and 3D location of objects in the surroundings of a camera mounted on a robot or mobile device, we developed two powerful algorithms in object detection and temporal tracking that are combined seamlessly for…

计算机视觉与模式识别 · 计算机科学 2017-09-06 David Joseph Tan , Nassir Navab , Federico Tombari

Across a majority of pedestrian detection datasets, it is typically assumed that pedestrians will be standing upright with respect to the image coordinate system. This assumption, however, is not always valid for many vision-equipped mobile…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Xinshuo Weng , Shangxuan Wu , Fares Beainy , Kris Kitani