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相关论文: On the Overconfidence Problem in Semantic 3D Mappi…

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Neural networks have proven successful at learning from complex data distributions by acting as universal function approximators. However, they are often overconfident in their predictions, which leads to inaccurate and miscalibrated…

机器学习 · 计算机科学 2021-02-23 Jeffrey Willette , Juho Lee , Sung Ju Hwang

High-quality calibrated uncertainty estimates are crucial for numerous real-world applications, especially for deep learning-based deployed ML systems. While Bayesian deep learning techniques allow uncertainty estimation, training them with…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Uddeshya Upadhyay , Shyamgopal Karthik , Yanbei Chen , Massimiliano Mancini , Zeynep Akata

The state of the art in 3D object detection using sensor fusion heavily relies on calibration quality, which is difficult to maintain in large scale deployment outside a lab environment. We present the first calibration-free approach for 3D…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Michael Fürst , Rahul Jakkamsetty , René Schuster , Didier Stricker

Improper exposure often leads to severe loss of details, color distortion, and reduced contrast. Exposure correction still faces two critical challenges: (1) the ignorance of object-wise regional semantic information causes the color shift…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Puzhen Wu , Han Weng , Quan Zheng , Yi Zhan , Hewei Wang , Yiming Li , Jiahui Han , Rui Xu

As an essential procedure of data fusion, LiDAR-camera calibration is critical for autonomous vehicles and robot navigation. Most calibration methods rely on hand-crafted features and require significant amounts of extracted features or…

机器人学 · 计算机科学 2021-04-27 Xudong Lv , Boya Wang , Ziwen Dou , Dong Ye , Shuo Wang

Trustworthy environment perception is the fundamental basis for the safe deployment of automated agents such as self-driving vehicles or intelligent robots. The problem remains that such trust is notoriously difficult to guarantee in the…

信号处理 · 电气工程与系统科学 2020-10-01 Florian Geissler , Alex Unnervik , Michael Paulitsch

3D segmentation is a core problem in computer vision and, similarly to many other dense prediction tasks, it requires large amounts of annotated data for adequate training. However, densely labeling 3D point clouds to employ…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Ozan Unal , Christos Sakaridis , Luc Van Gool

Handling uncertainty is critical for ensuring reliable decision-making in intelligent systems. Modern neural networks are known to be poorly calibrated, resulting in predicted confidence scores that are difficult to use. This article…

机器学习 · 计算机科学 2026-05-18 Gabriele Sanguin , Arjun Pakrashi , Marco Viola , Francesco Rinaldi

Modern machine learning models with high accuracy are often miscalibrated -- the predicted top probability does not reflect the actual accuracy, and tends to be over-confident. It is commonly believed that such over-confidence is mainly due…

机器学习 · 计算机科学 2021-07-21 Yu Bai , Song Mei , Huan Wang , Caiming Xiong

In view of contemporary panoramic camera-laser scanner system, the traditional calibration method is not suitable for panoramic cameras whose imaging model is extremely nonlinear. The method based on statistical optimization has the…

计算机视觉与模式识别 · 计算机科学 2017-09-14 Mingwei Cao , Ming Yang , Chunxiang Wang , Yeqiang Qian , Bing Wang

Real-time, high-quality, 3D scanning of large-scale scenes is key to mixed reality and robotic applications. However, scalability brings challenges of drift in pose estimation, introducing significant errors in the accumulated model.…

图形学 · 计算机科学 2017-02-09 Angela Dai , Matthias Nießner , Michael Zollhöfer , Shahram Izadi , Christian Theobalt

Visual SLAM is a cornerstone technique in robotics, autonomous driving and extended reality (XR), yet classical systems often struggle with low-texture environments, scale ambiguity, and degraded performance under challenging visual…

机器人学 · 计算机科学 2025-11-18 Yuxuan Zhou , Xingxing Li , Shengyu Li , Zhuohao Yan , Chunxi Xia , Shaoquan Feng

The fusion of multiple sensor modalities, especially through deep learning architectures, has been an active area of study. However, an under-explored aspect of such work is whether the methods can be robust to degradations across their…

计算机视觉与模式识别 · 计算机科学 2020-03-05 Junjiao Tian , Wesley Cheung , Nathan Glaser , Yen-Cheng Liu , Zsolt Kira

This work studies Semantic Scene Completion which aims to predict a 3D semantic segmentation of our surroundings, even though some areas are occluded. For this we construct a Bayesian Convolutional Neural Network (BCNN), which is not only…

计算机视觉与模式识别 · 计算机科学 2020-10-19 David Gillsjö , Kalle Åström

High-definition maps (HD maps) are a key component of most modern self-driving systems due to their valuable semantic and geometric information. Unfortunately, building HD maps has proven hard to scale due to their cost as well as the…

机器人学 · 计算机科学 2021-01-19 Sergio Casas , Abbas Sadat , Raquel Urtasun

Semantic understanding of 3D point clouds is important for various robotics applications. Given that point-wise semantic annotation is expensive, in this paper, we address the challenge of learning models with extremely sparse labels. The…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Liyi Luo , Beiwen Tian , Hao Zhao , Guyue Zhou

Semantic segmentation of large-scale 3D point clouds is crucial for applications such as autonomous driving and urban digital twins. However, the sparse sampling pattern of LiDAR and the view-dependent geometric distortion in image…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Shuai Zhang , Zhecheng Shi , Zhuxiao Li , Jing Ou , Tengxi Wang , Yuan Liu , Wufan Zhao

3D object detection is a key perception component in autonomous driving. Most recent approaches are based on Lidar sensors only or fused with cameras. Maps (e.g., High Definition Maps), a basic infrastructure for intelligent vehicles,…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Jin Fang , Dingfu Zhou , Xibin Song , Liangjun Zhang

3D semantic occupancy prediction is one of the crucial tasks of autonomous driving. It enables precise and safe interpretation and navigation in complex environments. Reliable predictions rely on effective sensor fusion, as different…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Tomislav Pavković , Mohammad-Ali Nikouei Mahani , Johannes Niedermayer , Johannes Betz

Semantic segmentation of 3D LiDAR point clouds, essential for autonomous driving and infrastructure management, is best achieved by supervised learning, which demands extensive annotated datasets and faces the problem of domain shifts. We…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Andrew Caunes , Thierry Chateau , Vincent Frémont
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