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相关论文: Additional Representations for Improving Synthetic…

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Synthetic aperture radar (SAR) images are affected by a spatially-correlated and signal-dependent noise called speckle, which is very severe and may hinder image exploitation. Despeckling is an important task that aims at removing such…

图像与视频处理 · 电气工程与系统科学 2021-05-04 Giulia Fracastoro , Enrico Magli , Giovanni Poggi , Giuseppe Scarpa , Diego Valsesia , Luisa Verdoliva

Conventional focusing methods for Synthetic Aperture Radar (SAR) employ block processing efficiently but remain latency-heavy processes that prevent the realisation of a closed-loop cognitive SAR vision system. We present the first Online…

图像与视频处理 · 电气工程与系统科学 2026-05-12 Sebastian Fieldhouse , Roberto Del Prete , Gabriele Daga , Nathaniel Rensly , Gabriele Meoni , Kea-Tiong Tang

With the increasing availability of optical and synthetic aperture radar (SAR) images thanks to the Sentinel constellation, and the explosion of deep learning, new methods have emerged in recent years to tackle the reconstruction of optical…

图像与视频处理 · 电气工程与系统科学 2022-04-04 Rémi Cresson , Nicolas Narçon , Raffaele Gaetano , Aurore Dupuis , Yannick Tanguy , Stéphane May , Benjamin Commandre

Coherent imaging systems like synthetic aperture radar are susceptible to multiplicative noise that makes applications like automatic target recognition challenging. In this paper, NeighCNN, a deep learning-based speckle reduction algorithm…

图像与视频处理 · 电气工程与系统科学 2021-08-27 Praveen Ravirathinam , Darshan Agrawal , J. Jennifer Ranjani

Computer-aided diagnosis via deep learning relies on large-scale annotated data sets, which can be costly when involving expert knowledge. Semi-supervised learning (SSL) mitigates this challenge by leveraging unlabeled data. One effective…

机器学习 · 计算机科学 2020-05-25 Prashnna Kumar Gyawali , Sandesh Ghimire , Pradeep Bajracharya , Zhiyuan Li , Linwei Wang

Existing polarimetric synthetic aperture radar (PolSAR) image classification methods cannot achieve satisfactory performance on complex scenes characterized by several types of land cover with significant levels of noise or similar…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Wenshuai Chen , Shuiping Gou , Xinlin Wang , Licheng Jiao , Changzhe Jiao , Alina Zare

Image classification datasets exhibit a non-negligible fraction of mislabeled examples, often due to human error when one class superficially resembles another. This issue poses challenges in supervised contrastive learning (SCL), where the…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Zijun Long , George Killick , Lipeng Zhuang , Richard McCreadie , Gerardo Aragon Camarasa , Paul Henderson

Long-tailed distributions in image recognition pose a considerable challenge due to the severe imbalance between a few dominant classes with numerous examples and many minority classes with few samples. Recently, the use of large generative…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Guangxi Li , Yinsheng Song , Mingkai Zheng

Salient object detection (SOD), which aims to identify and locate the most salient pixels or regions in images, has been attracting more and more interest due to its various real-world applications. However, this vision task is quite…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Pingping Zhang , Wei Liu , Huchuan Lu , Chunhua Shen

High-resolution imagery plays a critical role in improving the performance of visual recognition tasks such as classification, detection, and segmentation. In many domains, including remote sensing and surveillance, low-resolution images…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Ch Muhammad Awais , Marco Reggiannini , Davide Moroni , Oktay Karakus

Most Neural Networks (NNs) for classification are trained using Cross-Entropy as a loss function. This approach requires the model to have an explicit classification layer. However, there exist alternative approaches, such as Contrastive…

机器学习 · 计算机科学 2026-04-27 Leonardo Arrighi , Julia Eva Belloni , Aurélie Gallet , Ivan Gentile , Matteo Lippi , Marco Zullich

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

机器人学 · 计算机科学 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

Segment Anything Model (SAM) has revolutionized the way of segmentation. However, SAM's performance may decline when applied to tasks involving domains that differ from natural images. Nonetheless, by employing fine-tuning techniques, SAM…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Lin Wang , Xiufen Ye , Liqiang Zhu , Weijie Wu , Jianguo Zhang , Huiming Xing , Chao Hu

Convolutional neural networks rely on image texture and structure to serve as discriminative features to classify the image content. Image enhancement techniques can be used as preprocessing steps to help improve the overall image quality…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Vivek Sharma , Ali Diba , Davy Neven , Michael S. Brown , Luc Van Gool , Rainer Stiefelhagen

Deep neural networks can be effective means to automatically classify aerial images but is easy to overfit to the training data. It is critical for trained neural networks to be robust to variations that exist between training and test…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Jiayun Wang , Patrick Virtue , Stella X. Yu

Shuffled linear regression (SLR) seeks to estimate latent features through a linear transformation, complicated by unknown permutations in the measurement dimensions. This problem extends traditional least-squares (LS) and Least Absolute…

统计理论 · 数学 2025-04-17 Hang Liu , Anna Scaglione

Training semantic segmenter with synthetic data has been attracting great attention due to its easy accessibility and huge quantities. Most previous methods focused on producing large-scale synthetic image-annotation samples and then…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Hao Tang , Siyue Yu , Jian Pang , Bingfeng Zhang

Semantic segmentation of SAR images has garnered significant attention in remote sensing due to the immunity of SAR sensors to cloudy weather and light conditions. Nevertheless, SAR imagery lacks detailed information and is plagued by…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Wang Liu , Zhiyu Wang , Xin Guo , Puhong Duan , Xudong Kang , Shutao Li

Improper exposure often leads to severe loss of details, color distortion, and reduced contrast. Exposure correction still faces two critical challenges: (1) the ignorance of object-wise regional semantic information causes the color shift…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Puzhen Wu , Han Weng , Quan Zheng , Yi Zhan , Hewei Wang , Yiming Li , Jiahui Han , Rui Xu

Collaborative Filtering (CF) remains the cornerstone of modern recommender systems, with dense embedding--based methods dominating current practice. However, these approaches suffer from a critical limitation: our theoretical analysis…

信息检索 · 计算机科学 2026-01-15 Hanze Guo , Jianxun Lian , Xiao Zhou