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Accurate surface roughness prediction is critical for ensuring high product quality, especially in areas like manufacturing and aerospace, where the smallest imperfections can compromise performance or safety. However, this is challenging…

Computational Engineering, Finance, and Science · Computer Science 2024-05-29 Penghui Ruan , Divya Saxena , Jiannong Cao , Xiaoyun Liu , Ruoxin Wang , Chi Fai Cheung

Accurate and robust navigation in unstructured environments requires fusing data from multiple sensors. Such fusion ensures that the robot is better aware of its surroundings, including areas of the environment that are not immediately…

Robotics · Computer Science 2024-03-12 Mateus Valverde Gasparino , Arun Narenthiran Sivakumar , Girish Chowdhary

Recent point-based object completion methods have demonstrated the ability to accurately recover the missing geometry of partially observed objects. However, these approaches are not well-suited for completing objects within a scene, as…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Wesley Khademi , Li Fuxin

To better understand scene images in the field of remote sensing, multi-label annotation of scene images is necessary. Moreover, to enhance the performance of deep learning models for dealing with semantic scene understanding tasks, it is…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Xiaoman Qi , PanPan Zhu , Yuebin Wang , Liqiang Zhang , Junhuan Peng , Mengfan Wu , Jialong Chen , Xudong Zhao , Ning Zang , P. Takis Mathiopoulos

Sustaining high fidelity and high throughput of perception tasks over vision sensor streams on edge devices remains a formidable challenge, especially given the continuing increase in image sizes (e.g., generated by 4K cameras) and…

Multimedia · Computer Science 2023-05-08 Ila Gokarn , Hemanth Sabella , Yigong Hu , Tarek Abdelzaher , Archan Misra

Healthcare relies on multiple types of data, such as medical images, genetic information, and clinical records, to improve diagnosis and treatment. However, missing data is a common challenge due to privacy restrictions, cost, and technical…

Machine Learning · Computer Science 2025-03-13 Nazanin Moradinasab , Saurav Sengupta , Jiebei Liu , Sana Syed , Donald E. Brown

Computer vision techniques play a central role in the perception stack of autonomous vehicles. Such methods are employed to perceive the vehicle surroundings given sensor data. 3D LiDAR sensors are commonly used to collect sparse 3D point…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Lucas Nunes , Rodrigo Marcuzzi , Benedikt Mersch , Jens Behley , Cyrill Stachniss

With the increasing reliance of self-driving and similar robotic systems on robust 3D vision, the processing of LiDAR scans with deep convolutional neural networks has become a trend in academia and industry alike. Prior attempts on the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Ran Cheng , Christopher Agia , Yuan Ren , Xinhai Li , Liu Bingbing

We propose CAL (Complete Anything in Lidar) for Lidar-based shape-completion in-the-wild. This is closely related to Lidar-based semantic/panoptic scene completion. However, contemporary methods can only complete and recognize objects from…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Ayca Takmaz , Cristiano Saltori , Neehar Peri , Tim Meinhardt , Riccardo de Lutio , Laura Leal-Taixé , Aljoša Ošep

A proper scene representation is central to the pursuit of spatial intelligence where agents can robustly reconstruct and efficiently understand 3D scenes. A scene representation is either metric, such as landmark maps in 3D reconstruction,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Juexiao Zhang , Gao Zhu , Sihang Li , Xinhao Liu , Haorui Song , Xinran Tang , Chen Feng

Nowadays, the need for user editing in a 3D scene has rapidly increased due to the development of AR and VR technology. However, the existing 3D scene completion task (and datasets) cannot suit the need because the missing regions in scenes…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Ru-Fen Jheng , Tsung-Han Wu , Jia-Fong Yeh , Winston H. Hsu

Synthesizing high-fidelity and controllable 4D LiDAR data is crucial for creating scalable simulation environments for autonomous driving. This task is inherently challenging due to the sensor's unique spherical geometry, the temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Pei Liu , Songtao Wang , Lang Zhang , Xingyue Peng , Yuandong Lyu , Jiaxin Deng , Songxin Lu , Weiliang Ma , Xueyang Zhang , Yifei Zhan , XianPeng Lang , Jun Ma

With the recent advances in autonomous driving and the decreasing cost of LiDARs, the use of multimodal sensor systems is on the rise. However, in order to make use of the information provided by a variety of complimentary sensors, it is…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Quentin Herau , Nathan Piasco , Moussab Bennehar , Luis Roldão , Dzmitry Tsishkou , Cyrille Migniot , Pascal Vasseur , Cédric Demonceaux

Scene change detection is an image processing problem related to partitioning pixels of a digital image into foreground and background regions. Mostly, visual knowledge-based computer intelligent systems, like traffic monitoring, video…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Daniel F. S. Santos , Rafael G. Pires , Danilo Colombo , João P. Papa

Monocular scene understanding is a foundational component of autonomous systems. Within the spectrum of monocular perception topics, one crucial and useful task for holistic 3D scene understanding is semantic scene completion (SSC), which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yiming Li , Sihang Li , Xinhao Liu , Moonjun Gong , Kenan Li , Nuo Chen , Zijun Wang , Zhiheng Li , Tao Jiang , Fisher Yu , Yue Wang , Hang Zhao , Zhiding Yu , Chen Feng

Vision-based 3D Semantic Scene Completion (SSC) has received growing attention due to its potential in autonomous driving. While most existing approaches follow an ego-centric paradigm by aggregating and diffusing features over the entire…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Weihua Wang , Yubo Cui , Xiangru Lin , Zhiheng Li , Zheng Fang

As a pioneering work, PointContrast conducts unsupervised 3D representation learning via leveraging contrastive learning over raw RGB-D frames and proves its effectiveness on various downstream tasks. However, the trend of large-scale…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Xiaoyang Wu , Xin Wen , Xihui Liu , Hengshuang Zhao

This paper focuses on visual semantic navigation, the task of producing actions for an active agent to navigate to a specified target object category in an unknown environment. To complete this task, the algorithm should simultaneously…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Yiqing Liang , Boyuan Chen , Shuran Song

Semantic Scene Completion (SSC) transforms an image of single-view depth and/or RGB 2D pixels into 3D voxels, each of whose semantic labels are predicted. SSC is a well-known ill-posed problem as the prediction model has to "imagine" what…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Fengyun Wang , Dong Zhang , Hanwang Zhang , Jinhui Tang , Qianru Sun

Semantic Scene Completion (SSC) is pivotal in autonomous driving perception, frequently confronted with the complexities of weather and illumination changes. The long-term strategy involves fusing multi-modal information to bolster the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Yukai Ma , Jianbiao Mei , Xuemeng Yang , Licheng Wen , Weihua Xu , Jiangning Zhang , Botian Shi , Yong Liu , Xingxing Zuo