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相关论文: Leveraging Sparse LiDAR for RAFT-Stereo: A Depth P…

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This paper designs a technique route to generate high-quality panoramic image with depth information, which involves two critical research hotspots: fusion of LiDAR and image data and image stitching. For the fusion of 3D points and image…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Hao Ma , Jingbin Liu , Zhirong Hu , Hongyu Qiu , Dong Xu , Zemin Wang , Xiaodong Gong , Sheng Yang

Matting with a static background, often referred to as ``Background Matting" (BGM), has garnered significant attention within the computer vision community due to its pivotal role in various practical applications like webcasting and photo…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Hanxi Li , Guofeng Li , Bo Li , Lin Wu , Yan Cheng

Camera and radar sensors have significant advantages in cost, reliability, and maintenance compared to LiDAR. Existing fusion methods often fuse the outputs of single modalities at the result-level, called the late fusion strategy. This can…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Youngseok Kim , Sanmin Kim , Jun Won Choi , Dongsuk Kum

Diffuse direct time-of-flight LiDARs report per-pixel depth histograms formed by aggregating photon returns over a wide instantaneous field of view, violating the single-ray assumption behind standard LiDAR-RGB calibration. We present a…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Nikhil Behari , Ramesh Raskar

This paper presents a large-scale strip adjustment method for LiDAR mobile mapping data, yielding highly precise maps. It uses several concepts to achieve scalability. First, an efficient graph-based pre-segmentation is used, which directly…

分布式、并行与集群计算 · 计算机科学 2016-09-27 Claus Brenner

Neural Radiance Fields (NeRF) are an advanced technology that creates highly realistic images by learning about scenes through a neural network model. However, NeRF often encounters issues when there are not enough images to work with,…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Jiawei Guo , HungChyun Chou , Ning Ding

Being a crucial task of autonomous driving, Stereo matching has made great progress in recent years. Existing stereo matching methods estimate disparity instead of depth. They treat the disparity errors as the evaluation metric of the depth…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Hong Zhang , Haojie Li , Shenglun Chen , Tiantian Yan , Zhihui Wang , Guo Lu , Wanli Ouyang

Simultaneous localization and mapping (SLAM) based on laser sensors has been widely adopted by mobile robots and autonomous vehicles. These SLAM systems are required to support accurate localization with limited computational resources. In…

机器人学 · 计算机科学 2022-09-01 Yifan Duan , Jie Peng , Yu Zhang , Jianmin Ji , Yanyong Zhang

Point-pixel registration between LiDAR point clouds and camera images is a fundamental yet challenging task in autonomous driving and robotic perception. A key difficulty lies in the modality gap between unstructured point clouds and…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Yu Han , Zhiwei Huang , Yanting Zhang , Fangjun Ding , Shen Cai , Rui Fan

Weakly supervised LiDAR semantic segmentation has made significant strides with limited labeled data. However, most existing methods focus on the network training under weak supervision, while efficient annotation strategies remain largely…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yilong Chen , Zongyi Xu , xiaoshui Huang , Ruicheng Zhang , Xinqi Jiang , Xinbo Gao

In stereo-matching knowledge distillation methods of the self-supervised monocular depth estimation, the stereo-matching network's knowledge is distilled into a monocular depth network through pseudo-depth maps. In these methods, the…

计算机视觉与模式识别 · 计算机科学 2024-01-24 Woonghyun Ka , Jae Young Lee , Jaehyun Choi , Junmo Kim

A fundamental building block for supporting better utilization of radio spectrum involves predicting the impact that an emitter will have at different geographic locations. To this end, fixed sensors can be deployed to spatially sample the…

计算工程、金融与科学 · 计算机科学 2016-11-14 Shweta Sagari , Larry Greenstein , Wade Trappe

We present a novel method for efficiently producing semi-dense matches across images. Previous detector-free matcher LoFTR has shown remarkable matching capability in handling large-viewpoint change and texture-poor scenarios but suffers…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Yifan Wang , Xingyi He , Sida Peng , Dongli Tan , Xiaowei Zhou

Spectrum congestion and competition over frequency bandwidth could be alleviated by deploying dual-function radar-communications systems, where the radar platform presents itself as a system of opportunity to secondary communication…

信号处理 · 电气工程与系统科学 2018-08-16 Xiangrong Wang , Aboulnasr Hassanien , Moeness Amin

Safe motion planning in robotics requires planning into space which has been verified to be free of obstacles. However, obtaining such environment representations using lidars is challenging by virtue of the sparsity of their depth…

机器人学 · 计算机科学 2022-07-27 Yifu Tao , Marija Popović , Yiduo Wang , Sundara Tejaswi Digumarti , Nived Chebrolu , Maurice Fallon

Depth completion is an important vision task, and many efforts have been made to enhance the quality of depth maps from sparse depth measurements. Despite significant advances, training these models to recover dense depth from sparse…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Rizhao Fan , Zhigen Li , Heping Li , Ning An

Photoacoustic microscopy (PAM) is an emerging imaging method combining light and sound. However, limited by the laser's repetition rate, state-of-the-art high-speed PAM technology often sacrifices spatial sampling density (i.e.,…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Tri Vu , Anthony DiSpirito , Daiwei Li , Zixuan Zhang , Xiaoyi Zhu , Maomao Chen , Laiming Jiang , Dong Zhang , Jianwen Luo , Yu Shrike Zhang , Qifa Zhou , Roarke Horstmeyer , Junjie Yao

LiDAR mapping is important yet challenging in self-driving and mobile robotics. To tackle such a global point cloud registration problem, DeepMapping converts the complex map estimation into a self-supervised training of simple deep…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Chao Chen , Xinhao Liu , Yiming Li , Li Ding , Chen Feng

We study the interpolation capabilities of implicit neural representations (INRs) of images. In principle, INRs promise a number of advantages, such as continuous derivatives and arbitrary sampling, being freed from the restrictions of a…

图像与视频处理 · 电气工程与系统科学 2024-05-02 Lorenzo Luzi , Daniel LeJeune , Ali Siahkoohi , Sina Alemohammad , Vishwanath Saragadam , Hossein Babaei , Naiming Liu , Zichao Wang , Richard G. Baraniuk

We introduce a compact, two-camera laparoscope that combines active stereo depth estimation and speckle-illumination spatial frequency domain imaging (si-SFDI) to map profile-corrected, pixel-level absorption and reduced scattering optical…

光学 · 物理学 2025-01-27 Anthony A. Song , Mason T. Chen , Taylor L. Bobrow , Nicholas J. Durr