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Convolution neural network (CNN) has been widely used in Single Image Super Resolution (SISR) so that SISR has been a great success recently. As the network deepens, the learning ability of network becomes more and more powerful. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-17 Jiawen Lyn

The process of fusing a high spatial resolution (HR) panchromatic (PAN) image and a low spatial resolution (LR) multispectral (MS) image to obtain an HRMS image is known as pansharpening. With the development of convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2023-06-05 Yinghui Xing , Yan Zhang , Houjun He , Xiuwei Zhang , Yanning Zhang

Recent advancements in semantic communication have primarily focused on image transmission, where neural network-based joint source-channel coding modules play a central role. However, such systems often experience semantic communication…

Signal Processing · Electrical Eng. & Systems 2026-02-20 Yoon Huh , Bumjun Kim , Wan Choi

Density-based and classification-based methods have ruled unsupervised anomaly detection in recent years, while reconstruction-based methods are rarely mentioned for the poor reconstruction ability and low performance. However, the latter…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Yufei Liang , Jiangning Zhang , Shiwei Zhao , Runze Wu , Yong Liu , Shuwen Pan

Building interpretation from remote sensing imagery primarily involves two fundamental tasks: building extraction and change detection. However, most existing methods address these tasks independently, overlooking their inherent correlation…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Dehua Huo , Weida Zhan , Jinxin Guo , Depeng Zhu , Yu Chen , YiChun Jiang , Yueyi Han , Deng Han , Jin Li

The rapid progression of generative AI (GenAI) technologies has heightened concerns regarding the misuse of AI-generated imagery. To address this issue, robust detection methods have emerged as particularly compelling, especially in…

Graphics · Computer Science 2025-04-07 Hongfei Cai , Chi Liu , Sheng Shen , Youyang Qu , Peng Gui

Aircraft detection in Synthetic Aperture Radar (SAR) imagery is a challenging task in SAR Automatic Target Recognition (SAR ATR) areas due to aircraft's extremely discrete appearance, obvious intraclass variation, small size and serious…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Yan Zhao , Lingjun Zhao , Zhong Liu , Dewen Hu , Gangyao Kuang , Li Liu

We introduce FusionRF, a novel framework for digital surface reconstruction from satellite multispectral and panchromatic images. Current work has demonstrated the increased accuracy of neural photogrammetry for surface reconstruction from…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Michael Sprintson , Rama Chellappa , Cheng Peng

Hyperspectral video (HSV) offers valuable spatial, spectral, and temporal information simultaneously, making it highly suitable for handling challenges such as background clutter and visual similarity in object tracking. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Hanzheng Wang , Wei Li , Xiang-Gen Xia , Qian Du , Jing Tian

Small object detection remains a significant challenge due to feature degradation from downsampling, mutual occlusion in dense clusters, and complex background interference. To address these issues, this paper proposes FSDETR, a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jianchao Huang , Fengming Zhang , Haibo Zhu , Tao Yan

Real-time small object detection in Unmanned Aerial Vehicle (UAV) imagery remains challenging due to limited feature representation and ineffective multi-scale fusion. Existing methods underutilize frequency information and rely on static…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Yu Xia , Chang Liu , Tianqi Xiang , Zhigang Tu

Effective frequency recognition algorithms are critical in steady-state visual evoked potential (SSVEP) based brain-computer interfaces (BCIs). In this study, we present a hierarchical feature fusion framework which can be used to design…

Neurons and Cognition · Quantitative Biology 2019-03-22 Yangsong Zhang , Erwei Yin , Fali Li , Yu Zhang , Daqing Guo , Dezhong Yao , Peng Xu

Modern multispectral feature fusion for object detection faces two critical limitations: (1) Excessive preference for local complementary features over cross-modal shared semantics adversely affects generalization performance; and (2) The…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Jifeng Shen , Haibo Zhan , Shaohua Dong , Xin Zuo , Wankou Yang , Haibin Ling

Although much significant progress has been made in the research field of object detection with deep learning, there still exists a challenging task for the objects with small size, which is notably pronounced in UAV-captured images.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Yingjie Liu

Single-Image Super-Resolution (SISR) aims to reconstruct a High-Resolution (HR) image from a Low-Resolution (LR) observation, a fundamentally ill-posed problem where high-frequency details are severely degraded at large upscaling factors.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Roberto Isai Navaro-Aviña , Eduardo Said Merin-Martinez , Andres Mendez-Vazquez , Eduardo Rodriguez-Tello

Synthetic Aperture Radar (SAR) enables submeter-resolution imaging and all-weather monitoring via active microwave and advanced signal processing. Currently, SAR has found extensive applications in critical maritime domains such as ship…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Liangjie Meng , Danxia Li , Jinrong He , Lili Ma , Zhixin Li

High spatial frequency information, including fine details like textures, significantly contributes to the accuracy of semantic segmentation. However, according to the Nyquist-Shannon Sampling Theorem, high-frequency components are…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Linwei Chen , Ying Fu , Lin Gu , Dezhi Zheng , Jifeng Dai

Single image super-resolution(SISR) has witnessed great progress as convolutional neural network(CNN) gets deeper and wider. However, enormous parameters hinder its application to real world problems. In this letter, We propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Wenming Yang , Wei Wang , Xuechen Zhang , Shuifa Sun , Qingmin Liao

Synthetic Aperture Radar (SAR) image recognition is vital for disaster monitoring, military reconnaissance, and ocean observation. However, large SAR image sizes hinder deep learning deployment on resource-constrained edge devices, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Pan Yi , Weijie Li , Xiaodong Chen , Jiehua Zhang , Li Liu , Yongxiang Liu

Video semantic segmentation aims to generate accurate semantic maps for each video frame. To this end, many works dedicate to integrate diverse information from consecutive frames to enhance the features for prediction, where a feature…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Jiafan Zhuang , Zilei Wang , Junjie Li