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This work proposes a novel approach that uses a semantic segmentation mask to obtain a 2D spatial layout of the segmentation-categories across the scene, designated by segmentation-based semantic features (SSFs). These features represent,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Ricardo Pereira , Tiago Barros , Luis Garrote , Ana Lopes , Urbano J. Nunes

Outdoor scene completion is a challenging issue in 3D scene understanding, which plays an important role in intelligent robotics and autonomous driving. Due to the sparsity of LiDAR acquisition, it is far more complex for 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2021-09-24 Xuemeng Yang , Hao Zou , Xin Kong , Tianxin Huang , Yong Liu , Wanlong Li , Feng Wen , Hongbo Zhang

Self-supervised learning (SSL) has the potential to benefit many applications, particularly those where manually annotating data is cumbersome. One such situation is the semantic segmentation of point clouds. In this context, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Yanhao Wu , Tong Zhang , Wei Ke , Sabine Süsstrunk , Mathieu Salzmann

Self-supervised learning (SSL) methods targeting scene images have seen a rapid growth recently, and they mostly rely on either a dedicated dense matching mechanism or a costly unsupervised object discovery module. This paper shows that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Ke Zhu , Minghao Fu , Jianxin Wu

Multi-label image classification is a fundamental but challenging task in computer vision. Over the past few decades, solutions exploring relationships between semantic labels have made great progress. However, the underlying…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Jialu Zhang , Qian Zhang , Jianfeng Ren , Yitian Zhao , Jiang Liu

The European Space Agency's Sentinel-2 satellite provides global multispectral coverage for remote sensing (RS) applications. However, limited spectral resolution (12 bands) and non-unified spatial resolution (60/20/10 m) restrict their…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Si-Sheng Young , Chia-Hsiang Lin

Multispectral Sentinel-2 images are a valuable source of Earth observation data, however spatial resolution of their spectral bands limited to 10 m, 20 m, and 60 m ground sampling distance remains insufficient in many cases. This problem…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Tomasz Tarasiewicz , Jakub Nalepa , Reuben A. Farrugia , Gianluca Valentino , Mang Chen , Johann A. Briffa , Michal Kawulok

Semantic Scene Completion aims at reconstructing a complete 3D scene with precise voxel-wise semantics from a single-view depth or RGBD image. It is a crucial but challenging problem for indoor scene understanding. In this work, we present…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Yingjie Cai , Xuesong Chen , Chao Zhang , Kwan-Yee Lin , Xiaogang Wang , Hongsheng Li

About half of all optical observations collected via spaceborne satellites are affected by haze or clouds. Consequently, cloud coverage affects the remote sensing practitioner's capabilities of a continuous and seamless monitoring of our…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Patrick Ebel , Yajin Xu , Michael Schmitt , Xiaoxiang Zhu

In this paper, we present a second order spatial compatibility (SC^2) measure based method for efficient and robust point cloud registration (PCR), called SC^2-PCR. Firstly, we propose a second order spatial compatibility (SC^2) measure to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Zhi Chen , Kun Sun , Fan Yang , Wenbing Tao

Recently, multi-channel speech enhancement has drawn much interest due to the use of spatial information to distinguish target speech from interfering signal. To make full use of spatial information and neural network based masking…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-18 Shubo Lv , Yihui Fu , Yukai Jv , Lei Xie , Weixin Zhu , Wei Rao , Yannan Wang

In recent years, visual 3D Semantic Scene Completion (SSC) has emerged as a critical perception task for autonomous driving due to its ability to infer complete 3D scene layouts and semantics from single 2D images. However, in real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Haoang Lu , Yuanqi Su , Xiaoning Zhang , Hao Hu

Combining satellite imagery with machine learning (SIML) has the potential to address global challenges by remotely estimating socioeconomic and environmental conditions in data-poor regions, yet the resource requirements of SIML limit its…

In-context learning (ICL) greatly improves the performance of large language models (LLMs) on various down-stream tasks, where the improvement highly depends on the quality of demonstrations. In this work, we introduce syntactic knowledge…

Computation and Language · Computer Science 2024-09-26 Chenming Tang , Zhixiang Wang , Yunfang Wu

The Soil Moisture Active Passive (SMAP) mission has delivered valuable sensing of surface soil moisture since 2015. However, it has a short time span and irregular revisit schedule. Utilizing a state-of-the-art time-series deep learning…

Machine Learning · Statistics 2017-10-26 Kuai Fang , Chaopeng Shen , Daniel Kifer , Xiao Yang

Reliable classification of Earth Observation data depends on consistent, up-to-date reference labels. However, collecting new labelled data at each time step remains expensive and logistically difficult, especially in dynamic or remote…

Machine Learning · Computer Science 2026-02-05 Geethen Singh , Jasper A Slingsby , Tamara B Robinson , Glenn Moncrieff

Local spectral similarity (LSS) algorithm has been developed for detecting homogeneous areas and edges in hyperspectral images (HSIs). The proposed algorithm transforms the 3-D data cube (within a spatial window) into a spectral similarity…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Anand S Sahadevan , Arundhati Misra , Praveen Gupta

Understanding sequential information is a fundamental task for artificial intelligence. Current neural networks attempt to learn spatial and temporal information as a whole, limited their abilities to represent large scale spatial…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Bo Pang , Kaiwen Zha , Hanwen Cao , Jiajun Tang , Minghui Yu , Cewu Lu

This paper focuses on semantic scene completion, a task for producing a complete 3D voxel representation of volumetric occupancy and semantic labels for a scene from a single-view depth map observation. Previous work has considered scene…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Shuran Song , Fisher Yu , Andy Zeng , Angel X. Chang , Manolis Savva , Thomas Funkhouser

This paper proposes a deep learning architecture based on Residual Network that dynamically adjusts the number of executed layers for the regions of the image. This architecture is end-to-end trainable, deterministic and problem-agnostic.…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Michael Figurnov , Maxwell D. Collins , Yukun Zhu , Li Zhang , Jonathan Huang , Dmitry Vetrov , Ruslan Salakhutdinov