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Hyperspectral change detection (HCD) is one of the core applications of remote sensing images, holding significant research value in fields like environmental monitoring and disaster assessment. However, existing methods often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Mingshuai Sheng , Bhatti Uzair Aslam , Junfeng Zhang , Siling Feng , Yonis Gulzar

Monocular depth estimation plays a crucial role in 3D recognition and understanding. One key limitation of existing approaches lies in their lack of structural information exploitation, which leads to inaccurate spatial layout,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Tian Chen , Shijie An , Yuan Zhang , Chongyang Ma , Huayan Wang , Xiaoyan Guo , Wen Zheng

Accurate and fine-grained information about the extent of damage to buildings is essential for directing Humanitarian Aid and Disaster Response (HADR) operations in the immediate aftermath of any natural calamity. In recent years, satellite…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Rohit Gupta , Mubarak Shah

Building height retrieval from synthetic aperture radar (SAR) imagery is of great importance for urban applications, yet highly challenging owing to the complexity of SAR data. This paper addresses the issue of building height retrieval in…

Image and Video Processing · Electrical Eng. & Systems 2021-11-19 Yao Sun , Lichao Mou , Yuanyuan Wang , Sina Montazeri , Xiao Xiang Zhu

Extracting polygonal building footprints from off-nadir imagery is crucial for diverse applications. Current deep-learning-based extraction approaches predominantly rely on semantic segmentation paradigms and post-processing algorithms,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Kai Li , Yupeng Deng , Jingbo Chen , Yu Meng , Zhihao Xi , Junxian Ma , Chenhao Wang , Maolin Wang , Xiangyu Zhao

This study investigates whether the geospatial and multimodal features encoded in \textit{Earth Embeddings} can effectively guide deep learning (DL) regression models for regional surface height mapping. In particular, we focused on…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Alireza Hamoudzadeh , Valeria Belloni , Roberta Ravanelli

The increasing prevalence of large-scale hypergraphs poses significant computational challenges for hypergraph neural network (HNN) training. To address this, hypergraph condensation (HGC) distills large real hypergraphs into compact yet…

Machine Learning · Computer Science 2026-05-12 Fan Li , Xiaoyang Wang , Chen Chen , Wenjie Zhang

Perceiving the three-dimensional (3D) structure of the spacecraft is a prerequisite for successfully executing many on-orbit space missions, and it can provide critical input for many downstream vision algorithms. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Xiang Liu , Hongyuan Wang , Zhiqiang Yan , Yu Chen , Xinlong Chen , Weichun Chen

Three-dimensional feature extraction is a critical component of autonomous driving systems, where perception tasks such as 3D object detection, bird's-eye-view (BEV) semantic segmentation, and occupancy prediction serve as important…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zhongyu Xia , Zhiwei Lin , Yongtao Wang , Ming-Hsuan Yang

Recovering high-quality depth maps from compressed sources has gained significant attention due to the limitations of consumer-grade depth cameras and the bandwidth restrictions during data transmission. However, current methods still…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Huan Zheng , Wencheng Han , Jianbing Shen

Object retrieval and reconstruction from very high resolution (VHR) synthetic aperture radar (SAR) images are of great importance for urban SAR applications, yet highly challenging owing to the complexity of SAR data. This paper addresses…

Image and Video Processing · Electrical Eng. & Systems 2021-09-24 Yao Sun , Yuansheng Hua , Lichao Mou , Xiao Xiang Zhu

3D terrain reconstruction with remote sensing imagery achieves cost-effective and large-scale earth observation and is crucial for safeguarding natural disasters, monitoring ecological changes, and preserving the environment.Recently,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Song Zhang , Zhiwei Wei , Wenjia Xu , Lili Zhang , Yang Wang , Jinming Zhang , Junyi Liu

Automatic building extraction from optical imagery remains a challenge due to, for example, the complexity of building shapes. Semantic segmentation is an efficient approach for this task. The latest development in deep convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2019-11-11 Yilei Shi , Qingyu Li , Xiao Xiang Zhu

We introduce UprightNet, a learning-based approach for estimating 2DoF camera orientation from a single RGB image of an indoor scene. Unlike recent methods that leverage deep learning to perform black-box regression from image to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Wenqi Xian , Zhengqi Li , Matthew Fisher , Jonathan Eisenmann , Eli Shechtman , Noah Snavely

The ability to recognize the position and order of the floor-level lines that divide adjacent building floors can benefit many applications, for example, urban augmented reality (AR). This work tackles the problem of locating floor-level…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Mengyang Wu , Wei Zeng , Chi-Wing Fu

In recent years, building change detection methods have made great progress by introducing deep learning, but they still suffer from the problem of the extracted features not being discriminative enough, resulting in incomplete regions and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Yi Liu , Chao Pang , Zongqian Zhan , Xiaomeng Zhang , Xue Yang

Monocular 3D object detection, with the aim of predicting the geometric properties of on-road objects, is a promising research topic for the intelligent perception systems of autonomous driving. Most state-of-the-art methods follow a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Tianze Gao , Huihui Pan , Huijun Gao

Small object detection is challenging because small objects do not contain detailed information and may even disappear in the deep network. Usually, feeding high-resolution images into a network can alleviate this issue. However, simply…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Ziming Liu , Guangyu Gao , Lin Sun , Zhiyuan Fang

The ability to segment teeth precisely from digitized 3D dental models is an essential task in computer-aided orthodontic surgical planning. To date, deep learning based methods have been popularly used to handle this task. State-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Lingming Zhang , Yue Zhao , Deyu Meng , Zhiming Cui , Chenqiang Gao , Xinbo Gao , Chunfeng Lian , Dinggang Shen

Exploiting multi-scale representations is critical to improve edge detection for objects at different scales. To extract edges at dramatically different scales, we propose a Bi-Directional Cascade Network (BDCN) structure, where an…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Jianzhong He , Shiliang Zhang , Ming Yang , Yanhu Shan , Tiejun Huang