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High-quality digital terrain models derived from airborne laser scanning (ALS) data are essential for a wide range of geospatial analyses, and their generation typically relies on robust ground filtering (GF) to separate point clouds across…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Nannan Qin , Pengjie Tao , Haiyan Guan , Zhizhong Kang , Lingfei Ma , Xiangyun Hu , Jonathan Li

Spatiotemporal predictive learning aims to forecast future frames from historical observations in an unsupervised manner, and is critical to a wide range of applications. The key challenge is to model long-range dynamics while preserving…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Xinyong Cai , Runming Xie , Hu Chen , Yuankai Wu

In this paper, we propose a similarity-aware fusion network (SAFNet) to adaptively fuse 2D images and 3D point clouds for 3D semantic segmentation. Existing fusion-based methods achieve remarkable performances by integrating information…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Linqing Zhao , Jiwen Lu , Jie Zhou

Few-Shot Remote Sensing Scene Classification (FSRSSC) is an important task, which aims to recognize novel scene classes with few examples. Recently, several studies attempt to address the FSRSSC problem by following few-shot natural image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Baoquan Zhang , Shanshan Feng , Xutao Li , Yunming Ye , Rui Ye

Underwater images suffer from severe degradations, including color distortions, reduced visibility, and loss of structural details due to wavelength-dependent attenuation and scattering. Existing enhancement methods primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jaskaran Singh Walia , Shravan Venkatraman , Pavithra LK

Multi-source data classification is a critical yet challenging task for remote sensing image interpretation. Existing methods lack adaptability to diverse land cover types when modeling frequency domain features. To this end, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Yikang Zhao , Feng Gao , Xuepeng Jin , Junyu Dong , Qian Du

In order to fully utilize spatial information for segmentation and address the challenge of handling areas with significant grayscale variations in remote sensing segmentation, we propose the SFFNet (Spatial and Frequency Domain Fusion…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Yunsong Yang , Genji Yuan , Jinjiang Li

Synthetic aperture radar (SAR) image change detection is a vital yet challenging task in the field of remote sensing image analysis. Most previous works adopt a self-supervised method which uses pseudo-labeled samples to guide subsequent…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Junjie Wang , Feng Gao , Junyu Dong , Shan Zhang , Qian Du

Deep learning has shown remarkable success in remote sensing change detection (CD), aiming to identify semantic change regions between co-registered satellite image pairs acquired at distinct time stamps. However, existing convolutional…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Mubashir Noman , Mustansar Fiaz , Hisham Cholakkal , Salman Khan , Fahad Shahbaz Khan

Remote sensing change detection is vital for monitoring environmental and urban transformations but faces challenges like manual feature extraction and sensitivity to noise. Traditional methods and early deep learning models, such as…

Underwater images suffer from complex and diverse degradation, which inevitably affects the performance of underwater visual tasks. However, most existing learning-based Underwater image enhancement (UIE) methods mainly restore such…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Chen Zhao , Weiling Cai , Chenyu Dong , Ziqi Zeng

Despite the rapid evolution of semantic segmentation for land cover classification in high-resolution remote sensing imagery, integrating multiple data modalities such as Digital Surface Model (DSM), RGB, and Near-infrared (NIR) remains a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Tong Wang , Guanzhou Chen , Xiaodong Zhang , Chenxi Liu , Xiaoliang Tan , Jiaqi Wang , Chanjuan He , Wenlin Zhou

Semantic segmentation generates comprehensive understanding of scenes through densely predicting the category for each pixel. High-level features from Deep Convolutional Neural Networks already demonstrate their effectiveness in semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Xiangtai Li , Houlong Zhao , Lei Han , Yunhai Tong , Kuiyuan Yang

Urbanization, climate change, and agricultural stress are increasing the demand for precise and timely environmental monitoring. Land Surface Temperature (LST) is a key variable in this context and is retrieved from remote sensing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Sofiane Bouaziz , Adel Hafiane , Raphael Canals , Rachid Nedjai

Traffic object detection under variable illumination is challenging due to the information loss caused by the limited dynamic range of conventional frame-based cameras. To address this issue, we introduce bio-inspired event cameras and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Zhanwen Liu , Nan Yang , Yang Wang , Yuke Li , Xiangmo Zhao , Fei-Yue Wang

In medical images, various types of lesions often manifest significant differences in their shape and texture. Accurate medical image segmentation demands deep learning models with robust capabilities in multi-scale and boundary feature…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Zhenhuan Zhou , Along He , Yanlin Wu , Rui Yao , Xueshuo Xie , Tao Li

Medical image super-resolution (SR) is essential for enhancing diagnostic accuracy while reducing acquisition cost and scanning time. However, modeling both long-range anatomical structures and fine-grained frequency details with low…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Wenfeng Huang , Xiangyun Liao , Wei Cao , Wenjing Jia , Weixin Si

Existing few-shot medical image segmentation (FSMIS) models fail to address a practical issue in medical imaging: the domain shift caused by different imaging techniques, which limits the applicability to current FSMIS tasks. To overcome…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Yuntian Bo , Yazhou Zhu , Lunbo Li , Haofeng Zhang

Purpose Medical imaging diagnosis faces challenges, including low-resolution images due to machine artifacts and patient movement. This paper presents the Frequency-Guided U-Net (GFNet), a novel approach for medical image segmentation that…

Image and Video Processing · Electrical Eng. & Systems 2024-05-03 Haytham Al Ewaidat , Youness El Brag , Ahmad Wajeeh Yousef E'layan , Ali Almakhadmeh

Semantic change detection is an important task in geoscience and earth observation. By producing a semantic change map for each temporal phase, both the land use land cover categories and change information can be interpreted. Recently some…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Chenyao Zhou , Haotian Zhang , Han Guo , Zhengxia Zou , Zhenwei Shi