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Attention mechanism, especially channel attention, has gained great success in the computer vision field. Many works focus on how to design efficient channel attention mechanisms while ignoring a fundamental problem, i.e., channel attention…

计算机视觉与模式识别 · 计算机科学 2021-07-26 Zequn Qin , Pengyi Zhang , Fei Wu , Xi Li

Up-to-date sea ice charts are crucial for safer navigation in ice-infested waters. Recently, Convolutional Neural Network (CNN) models show the potential to accelerate the generation of ice maps for large regions. However, results from CNN…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Rafael Pires de Lima , Behzad Vahedi , Morteza Karimzadeh

Traditional change detection methods based on convolutional neural networks (CNNs) face the challenges of speckle noise and deformation sensitivity for synthetic aperture radar images. To mitigate these issues, we proposed a Multiscale…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Yunhao Gao , Feng Gao , Junyu Dong , Heng-Chao Li

Long-range contextual information is essential for achieving high-performance semantic segmentation. Previous feature re-weighting methods demonstrate that using global context for re-weighting feature channels can effectively improve the…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Jianbo Liu , Junjun He , Jimmy S. Ren , Yu Qiao , Hongsheng Li

Deep learning based methods, especially convolutional neural networks (CNNs) have been successfully applied in the field of single image super-resolution (SISR). To obtain better fidelity and visual quality, most of existing networks are of…

图像与视频处理 · 电气工程与系统科学 2021-08-17 Wenbin Xie , Dehua Song , Chang Xu , Chunjing Xu , Hui Zhang , Yunhe Wang

Extracting multi-scale information is key to semantic segmentation. However, the classic convolutional neural networks (CNNs) encounter difficulties in achieving multi-scale information extraction: expanding convolutional kernel incurs the…

计算机视觉与模式识别 · 计算机科学 2019-07-09 Mo Zhang , Jie Zhao , Xiang Li , Li Zhang , Quanzheng Li

Deep convolutional neural network significantly boosted the capability of salient object detection in handling large variations of scenes and object appearances. However, convolution operations seek to generate strong responses on…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Sanping Zhou , Jimuyang Zhang , Jinjun Wang , Fei Wang , Dong Huang

Ocean fronts can cause the accumulation of nutrients and affect the propagation of underwater sound, so high-precision ocean front detection is of great significance to the marine fishery and national defense fields. However, the current…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Cui Xie , Hao Guo , Junyu Dong

Semantic segmentation of remotely sensed images plays a crucial role in precision agriculture, environmental protection, and economic assessment. In recent years, substantial fine-resolution remote sensing images are available for semantic…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Rui Li , Chenxi Duan

Semantic segmentation in high resolution remote sensing images is a fundamental and challenging task. Convolutional neural networks (CNNs), such as fully convolutional network (FCN) and SegNet, have shown outstanding performance in many…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Lichao Mou , Xiao Xiang Zhu

Recently, there has been a surge of research on data-driven weather forecasting systems, especially applications based on convolutional neural networks (CNNs). These are usually trained on atmospheric data represented on regular…

大气与海洋物理 · 物理学 2023-09-18 Sebastian Scher , Gabriele Messori

To enhance the accuracy and robustness of PM$_{2.5}$ concentration forecasting, this paper introduces FALNet, a Frequency-Aware LSTM Network that integrates frequency-domain decomposition, temporal modeling, and attention-based refinement.…

机器学习 · 计算机科学 2025-04-16 Jiahui Lu , Shuang Wu , Zhenkai Qin , Guifang Yang

Traditional synthetic aperture radar image change detection methods based on convolutional neural networks (CNNs) face the challenges of speckle noise and deformation sensitivity. To mitigate these issues, we proposed a Multiscale Capsule…

图像与视频处理 · 电气工程与系统科学 2022-01-25 Yunhao Gao , Feng Gao , Junyu Dong , Heng-Chao Li

Time series forecasting is crucial in many fields, yet current deep learning models struggle with noise, data sparsity, and capturing complex multi-scale patterns. This paper presents MFF-FTNet, a novel framework addressing these challenges…

机器学习 · 计算机科学 2024-11-27 Yangyang Shi , Qianqian Ren , Yong Liu , Jianguo Sun

The persistent lack of spatially complete Antarctic sea ice thickness (SIT) data at sub-monthly resolution has fundamentally constrained the quantitative understanding of large-scale sea ice mass balance processes. In this study, a…

地球物理 · 物理学 2025-05-13 Ziqi Ma , Qinghua Yang , Yue Xu , Wen Shi , Xiaoran Dong , Qian Shi , Hao Luo , Jiping Liu , Petteri Uotila , Yafei Nie

Recent CNN and Transformer-based models tried to utilize frequency and periodicity information for long-term time series forecasting. However, most existing work is based on Fourier transform, which cannot capture fine-grained and local…

机器学习 · 计算机科学 2024-01-05 Peiyuan Liu , Beiliang Wu , Naiqi Li , Tao Dai , Fengmao Lei , Jigang Bao , Yong Jiang , Shu-Tao Xia

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…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Yikang Zhao , Feng Gao , Xuepeng Jin , Junyu Dong , Qian Du

This paper studies a practically meaningful ship detection problem from synthetic aperture radar (SAR) images by the neural network. We broadly extract different types of SAR image features and raise the intriguing question that whether…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Yuwen Deng , Donghai Guan , Yanyu Chen , Weiwei Yuan , Jiemin Ji , Mingqiang Wei

Object detection in optical remote sensing images is an important and challenging task. In recent years, the methods based on convolutional neural networks have made good progress. However, due to the large variation in object scale, aspect…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Qi Ming , Lingjuan Miao , Zhiqiang Zhou , Yunpeng Dong

The warming of the Arctic, also known as Arctic amplification, is led by several atmospheric and oceanic drivers. However, the details of its underlying thermodynamic causes are still unknown. Inferring the causal effects of atmospheric…