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Label-efficient segmentation aims to perform effective segmentation on input data using only sparse and limited ground-truth labels for training. This topic is widely studied in 3D point cloud segmentation due to the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Liyao Tang , Zhe Chen , Shanshan Zhao , Chaoyue Wang , Dacheng Tao

Robust road segmentation in all road conditions is required for safe autonomous driving and advanced driver assistance systems. Supervised deep learning methods provide accurate road segmentation in the domain of their training data but…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Eerik Alamikkotervo , Henrik Toikka , Kari Tammi , Risto Ojala

Autonomous driving can benefit from motion behavior comprehension when interacting with diverse traffic participants in highly dynamic environments. Recently, there has been a growing interest in estimating class-agnostic motion directly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Chenxu Luo , Xiaodong Yang , Alan Yuille

One of the major open challenges in self-driving cars is the ability to detect cars and pedestrians to safely navigate in the world. Deep learning-based object detector approaches have enabled great advances in using camera imagery to…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Manikandasriram Srinivasan Ramanagopal , Cyrus Anderson , Ram Vasudevan , Matthew Johnson-Roberson

To operate safely, autonomous vehicles (AVs) need to detect and handle unexpected objects or anomalies on the road. While significant research exists for anomaly detection and segmentation in 2D, research progress in 3D is underexplored.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Alexey Nekrasov , Malcolm Burdorf , Stewart Worrall , Bastian Leibe , Julie Stephany Berrio Perez

To calculate the model accuracy on a computer vision task, e.g., object recognition, we usually require a test set composing of test samples and their ground truth labels. Whilst standard usage cases satisfy this requirement, many…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Weijian Deng , Liang Zheng

LiDAR sensors are often considered essential for autonomous driving, but high-resolution sensors remain expensive while affordable low-resolution sensors produce sparse point clouds that miss critical details. LiDAR super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 June Moh Goo , Zichao Zeng , Jan Boehm

Online object segmentation and tracking in Lidar point clouds enables autonomous agents to understand their surroundings and make safe decisions. Unfortunately, manual annotations for these tasks are prohibitively costly. We tackle this…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Corentin Sautier , Gilles Puy , Alexandre Boulch , Renaud Marlet , Vincent Lepetit

Detecting drift in performance of Machine Learning (ML) models is an acknowledged challenge. For ML models to become an integral part of business applications it is essential to detect when an ML model drifts away from acceptable operation.…

Machine Learning · Computer Science 2021-08-12 Samuel Ackerman , Parijat Dube , Eitan Farchi , Orna Raz , Marcel Zalmanovici

As the exorbitant expense of labeling autopilot datasets and the growing trend of utilizing unlabeled data, semi-supervised segmentation on point clouds becomes increasingly imperative. Intuitively, finding out more ``unspoken words''…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Yujun Chen , Xin Tan , Zhizhong Zhang , Yanyun Qu , Yuan Xie

How can models effectively detect out-of-distribution (OOD) samples in complex, multi-label settings without extensive retraining? Existing OOD detection methods struggle to capture the intricate semantic relationships and label…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Zhendong Liu , Yi Nian , Yuehan Qin , Henry Peng Zou , Li Li , Xiyang Hu , Yue Zhao

Moving object segmentation (MOS) using a 3D light detection and ranging (LiDAR) sensor is crucial for scene understanding and identification of moving objects. Despite the availability of various types of 3D LiDAR sensors in the market, MOS…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Hyungtae Lim , Seoyeon Jang , Benedikt Mersch , Jens Behley , Hyun Myung , Cyrill Stachniss

Accurate 3D object detection in LiDAR point clouds is crucial for autonomous driving systems. To achieve state-of-the-art performance, the supervised training of detectors requires large amounts of human-annotated data, which is expensive…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Christian Fruhwirth-Reisinger , Wei Lin , Dušan Malić , Horst Bischof , Horst Possegger

Object segmentation in three-dimensional (3-D) point clouds is a critical task for robots capable of 3-D perception. Despite the impressive performance of deep learning-based approaches on object segmentation in 2-D images, deep learning…

Image and Video Processing · Electrical Eng. & Systems 2019-10-31 Brian H. Wang , Wei-Lun Chao , Yan Wang , Bharath Hariharan , Kilian Q. Weinberger , Mark Campbell

In this work, we for the first time present a method for detecting label errors in image datasets with semantic segmentation, i.e., pixel-wise class labels. Annotation acquisition for semantic segmentation datasets is time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Matthias Rottmann , Marco Reese

Machine-vision-based defect classification techniques have been widely adopted for automatic quality inspection in manufacturing processes. This article describes a general framework for classifying defects from high volume data batches…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Wenbo Sun , Raed Al Kontar , Judy Jin , Tzyy-Shuh Chang

We present a novel post-processing tool for semantic segmentation of LiDAR point cloud data, called LidarMetaSeg, which estimates the prediction quality segmentwise. For this purpose we compute dispersion measures based on network…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Pascal Colling , Matthias Rottmann , Lutz Roese-Koerner , Hanno Gottschalk

Semantic segmentation of large-scale outdoor point clouds is essential for urban scene understanding in various applications, especially autonomous driving and urban high-definition (HD) mapping. With rapid developments of mobile laser…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Weikai Tan , Nannan Qin , Lingfei Ma , Ying Li , Jing Du , Guorong Cai , Ke Yang , Jonathan Li

Recently, detection of label errors and improvement of label quality in datasets for supervised learning tasks has become an increasingly important goal in both research and industry. The consequences of incorrectly annotated data include…

Machine Learning · Computer Science 2025-08-26 Sarina Penquitt , Tobias Riedlinger , Timo Heller , Markus Reischl , Matthias Rottmann

3D object detection is a core perceptual challenge for robotics and autonomous driving. However, the class-taxonomies in modern autonomous driving datasets are significantly smaller than many influential 2D detection datasets. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Benjamin Wilson , Zsolt Kira , James Hays