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High-quality training data play a key role in image segmentation tasks. Usually, pixel-level annotations are expensive, laborious and time-consuming for the large volume of training data. To reduce labelling cost and improve segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Yuying Hao , Yi Liu , Zewu Wu , Lin Han , Yizhou Chen , Guowei Chen , Lutao Chu , Shiyu Tang , Zhiliang Yu , Zeyu Chen , Baohua Lai

We show that it is possible to learn semantic segmentation from very limited amounts of manual annotations, by enforcing geometric 3D constraints between multiple views. More exactly, image locations corresponding to the same physical 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Sinisa Stekovic , Friedrich Fraundorfer , Vincent Lepetit

Perceiving a three-dimensional (3D) scene with multiple objects while moving indoors is essential for vision-based mobile cobots, especially for enhancing their manipulation tasks. In this work, we present an end-to-end pipeline with…

Robotics · Computer Science 2024-02-20 K. Nguyen , T. Dang , M. Huber

We present a system for 3D semantic scene perception consisting of a network of distributed smart edge sensors. The sensor nodes are based on an embedded CNN inference accelerator and RGB-D and thermal cameras. Efficient vision CNN models…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Simon Bultmann , Sven Behnke

With the availability of low-cost and compact 2.5/3D visual sensing devices, computer vision community is experiencing a growing interest in visual scene understanding of indoor environments. This survey paper provides a comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 Muzammal Naseer , Salman H Khan , Fatih Porikli

Audio-visual learning seeks to enhance the computer's multi-modal perception leveraging the correlation between the auditory and visual modalities. Despite their many useful downstream tasks, such as video retrieval, AR/VR, and…

Human-Computer Interaction · Computer Science 2023-07-31 Zheng Zhang , Zheng Ning , Chenliang Xu , Yapeng Tian , Toby Jia-Jun Li

Common visual recognition tasks such as classification, object detection, and semantic segmentation are rapidly reaching maturity, and given the recent rate of progress, it is not unreasonable to conjecture that techniques for many of these…

Computer Vision and Pattern Recognition · Computer Science 2016-12-15 Yan Zhu , Yuandong Tian , Dimitris Mexatas , Piotr Dollár

Deep neural networks deliver state-of-the-art visual recognition, but they rely on large datasets, which are time-consuming to annotate. These datasets are typically annotated in two stages: (1) determining the presence of object classes at…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Michael Gygli , Vittorio Ferrari

Beyond simplistic 3D visualisations, archaeologists, as well as cultural heritage experts and practitioners, need applications with advanced functionalities. Such as the annotation and attachment of metadata onto particular regions of the…

We propose an interactive approach for 3D instance segmentation, where users can iteratively collaborate with a deep learning model to segment objects in a 3D point cloud directly. Current methods for 3D instance segmentation are generally…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Theodora Kontogianni , Ekin Celikkan , Siyu Tang , Konrad Schindler

3D image segmentation is one of the most important and ubiquitous problems in medical image processing. It provides detailed quantitative analysis for accurate disease diagnosis, abnormal detection, and classification. Currently deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Zhenxi Zhang , Jie Li , Zhusi Zhong , Zhicheng Jiao , Xinbo Gao

3D object part segmentation is essential in computer vision applications. While substantial progress has been made in 2D object part segmentation, the 3D counterpart has received less attention, in part due to the scarcity of annotated 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Anh Thai , Weiyao Wang , Hao Tang , Stefan Stojanov , Matt Feiszli , James M. Rehg

Recent developments in data acquisition technology allow us to collect 3D texture meshes quickly. Those can help us understand and analyse the urban environment, and as a consequence are useful for several applications like spatial analysis…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Weixiao Gao , Liangliang Nan , Bas Boom , Hugo Ledoux

Interactive segmentation has an important role in facilitating the annotation process of future LiDAR datasets. Existing approaches sequentially segment individual objects at each LiDAR scan, repeating the process throughout the entire…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Ilya Fradlin , Idil Esen Zulfikar , Kadir Yilmaz , Theodora Kontogianni , Bastian Leibe

This paper investigates indoor point cloud semantic segmentation under scene-level annotation, which is less explored compared to methods relying on sparse point-level labels. In the absence of precise point-level labels, current methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Lunhao Duan , Shanshan Zhao , Xingxing Weng , Jing Zhang , Gui-Song Xia

Object detection and semantic segmentation with the 3D lidar point cloud data require expensive annotation. We propose a data augmentation method that takes advantage of already annotated data multiple times. We propose an augmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Petr Šebek , Šimon Pokorný , Patrik Vacek , Tomáš Svoboda

Scene graphs are a compact and explicit representation successfully used in a variety of 2D scene understanding tasks. This work proposes a method to incrementally build up semantic scene graphs from a 3D environment given a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shun-Cheng Wu , Johanna Wald , Keisuke Tateno , Nassir Navab , Federico Tombari

We have seen significant leapfrog advancement in machine learning in recent decades. The central idea of machine learnability lies on constructing learning algorithms that learn from good data. The availability of more data being made…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Ng Hui Xian Lynnette , Henry Ng Siong Hock , Nguwi Yok Yen

Image segmentation is a fundamental problem in biomedical image analysis. Recent advances in deep learning have achieved promising results on many biomedical image segmentation benchmarks. However, due to large variations in biomedical…

Computer Vision and Pattern Recognition · Computer Science 2017-06-16 Lin Yang , Yizhe Zhang , Jianxu Chen , Siyuan Zhang , Danny Z. Chen

Recent research in the field of computer vision strongly focuses on deep learning architectures to tackle image processing problems. Deep neural networks are often considered in complex image processing scenarios since traditional computer…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Marcel P. Schilling , Luca Rettenberger , Friedrich Münke , Haijun Cui , Anna A. Popova , Pavel A. Levkin , Ralf Mikut , Markus Reischl