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Few-shot fine-grained image classification aims to recognize subcategories with high visual similarity using only a limited number of annotated samples. Existing metric learning-based methods typically rely solely on spatial domain…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Meijia Wang , Guochao Wang , Haozhen Chu , Bin Yao , Weichuan Zhang , Yuan Wang , Junpo Yang

Salient object detection (SOD) in optical remote sensing images (ORSIs) faces numerous challenges, including significant variations in target scales and low contrast between targets and the background. Existing methods based on vision…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Mengyu Ren , Yutong Li , Hua Li , Chuhong Wang , Runmin Cong

While deep neural networks (NN) significantly advance image compressed sensing (CS) by improving reconstruction quality, the necessity of training current CS NNs from scratch constrains their effectiveness and hampers rapid deployment.…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Bin Chen , Zhenyu Zhang , Weiqi Li , Chen Zhao , Jiwen Yu , Shijie Zhao , Jie Chen , Jian Zhang

The receptive field (RF), which determines the region of time series to be ``seen'' and used, is critical to improve the performance for time series classification (TSC). However, the variation of signal scales across and within time series…

机器学习 · 计算机科学 2022-12-21 Qiao Xiao , Boqian Wu , Yu Zhang , Shiwei Liu , Mykola Pechenizkiy , Elena Mocanu , Decebal Constantin Mocanu

Object counting, which aims to count the accurate number of object instances in images, has been attracting more and more attention. However, challenges such as large scale variation, complex background interference, and non-uniform density…

计算机视觉与模式识别 · 计算机科学 2022-02-25 Guangshuai Gao , Qingjie Liu , Zhenghui Hu , Lu Li , Qi Wen , Yunhong Wang

A critical challenge problem of scene change detection is that noisy changes generated by varying illumination, shadows and camera viewpoint make variances of a scene difficult to define and measure since the noisy changes and semantic ones…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Enqiang Guo , Xinsha Fu , Jiawei Zhu , Min Deng , Yu Liu , Qing Zhu , Haifeng Li

Camouflaged object detection is an emerging and challenging computer vision task that requires identifying and segmenting objects that blend seamlessly into their environments due to high similarity in color, texture, and size. This task is…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Leena Alghamdi , Muhammad Usman , Hafeez Anwar , Abdul Bais , Saeed Anwar

In this work we propose a technique to remove sparse impulse noise from hyperspectral images. Our algorithm accounts for the spatial redundancy and spectral correlation of such images. The proposed method is based on the recently introduced…

图像与视频处理 · 电气工程与系统科学 2019-12-16 Angshul Majumdar , Naushad Ansari , Hemant Aggarwal , Pravesh Biyani

Multi-view stereo methods have achieved great success for depth estimation based on the coarse-to-fine depth learning frameworks, however, the existing methods perform poorly in recovering the depth of object boundaries and detail regions.…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Haitao Tian , Junyang Li , Chenxing Wang , Helong Jiang

Wireless sensor networks are often designed to perform two tasks: sensing a physical field and transmitting the data to end-users. A crucial aspect of the design of a WSN is the minimization of the overall energy consumption. Previous…

信息论 · 计算机科学 2014-01-07 Zichong Chen , Juri Ranieri , Runwei Zhang , Martin Vetterli

Infrared small object detection is an important computer vision task involving the recognition and localization of tiny objects in infrared images, which usually contain only a few pixels. However, it encounters difficulties due to the…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Shibiao Xu , ShuChen Zheng , Wenhao Xu , Rongtao Xu , Changwei Wang , Jiguang Zhang , Xiaoqiang Teng , Ao Li , Li Guo

Few-shot object detection (FSOD) aims at learning a detector that can fast adapt to previously unseen objects with scarce annotated examples, which is challenging and demanding. Existing methods solve this problem by performing subtasks of…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Longyao Liu , Bo Ma , Yulin Zhang , Xin Yi , Haozhi Li

The SPARKLING algorithm was originally developed for accelerated 2D magnetic resonance imaging (MRI) in the compressed sensing (CS) context. It yields non-Cartesian sampling trajectories that jointly fulfill a target sampling density while…

信号处理 · 电气工程与系统科学 2021-06-01 Chaithya G R , Zaccharie Ramzi , Philippe Ciuciu

Clustering images according to their acquisition devices is a well-known problem in multimedia forensics, which is typically faced by means of camera Sensor Pattern Noise (SPN). Such an issue is challenging since SPN is a noise-like signal,…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Quoc-Tin Phan , Giulia Boato , Francesco G. B. De Natale

In this paper, we introduce a Fast and Scalable Semi-supervised Multi-view Subspace Clustering (FSSMSC) method, a novel solution to the high computational complexity commonly found in existing approaches. FSSMSC features linear…

机器学习 · 计算机科学 2024-08-13 Huaming Ling , Chenglong Bao , Jiebo Song , Zuoqiang Shi

Radar-based perception has gained increasing attention in autonomous driving, yet the inherent sparsity of radars poses challenges. Radar raw data often contains excessive noise, whereas radar point clouds retain only limited information.…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Jialong Wu , Mirko Meuter , Markus Schoeler , Matthias Rottmann

Existing deep calibrated photometric stereo networks basically aggregate observations under different lights based on the pre-defined operations such as linear projection and max pooling. While they are effective with the dense capture,…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Satoshi Ikehata

Measurement samples are often taken in various monitoring applications. To reduce the sensing cost, it is desirable to achieve better sensing quality while using fewer samples. Compressive Sensing (CS) technique finds its role when the…

信息论 · 计算机科学 2016-11-18 Ying Li , Kun Xie , Xin Wang

Reconstruction-based methods have demonstrated very promising results for 3D anomaly detection. However, these methods face great challenges in handling high-precision point clouds due to the large scale and complex structure. In this…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Hanzhe Liang , Jie Zhang , Tao Dai , Linlin Shen , Jinbao Wang , Can Gao

Despite stereo matching accuracy has greatly improved by deep learning in the last few years, recovering sharp boundaries and high-resolution outputs efficiently remains challenging. In this paper, we propose Stereo Mixture Density Networks…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Fabio Tosi , Yiyi Liao , Carolin Schmitt , Andreas Geiger