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Deep learning models have a risk of utilizing spurious clues to make predictions, such as recognizing actions based on the background scene. This issue can severely degrade the open-set action recognition performance when the testing…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yuanhao Zhai , Ziyi Liu , Zhenyu Wu , Yi Wu , Chunluan Zhou , David Doermann , Junsong Yuan , Gang Hua

In open-set recognition (OSR), classifiers should be able to reject unknown-class samples while maintaining high closed-set classification accuracy. To effectively solve the OSR problem, previous studies attempted to limit latent feature…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Wonwoo Cho , Jaegul Choo

Deep learning (DL) methods are widely used to extract high-dimensional patterns from the sequence features of radar echo signals. However, conventional DL algorithms face challenges such as redundant feature segments, and constraints from…

信号处理 · 电气工程与系统科学 2025-09-16 Qiying Hu , Linping Zhang , Xueqian Wang , Gang Li , Yu Liu , Xiao-Ping Zhang

Despite overparameterization, deep networks trained via supervised learning are easy to optimize and exhibit excellent generalization. One hypothesis to explain this is that overparameterized deep networks enjoy the benefits of implicit…

机器学习 · 计算机科学 2021-12-10 Aviral Kumar , Rishabh Agarwal , Tengyu Ma , Aaron Courville , George Tucker , Sergey Levine

Recent advances in pre-trained language models (PLMs) have demonstrated their capabilities in capturing universal knowledge, making them promising for radar signal processing applications. Nevertheless, directly fine-tuning PLMs on radar…

信号处理 · 电气工程与系统科学 2026-05-01 Qiying Hu , Yaowen Li , Shengyi Zhang , Chuan Huang , Yu Liu , You He

In this paper, we propose to reformulate the blind image deblurring task to directly learn an inverse of the degradation model represented by a deep linear network. We introduce Deep Identity Learning (DIL), a novel learning strategy that…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Vamsidhar Saraswathula , Rama Krishna Gorthi

This letter presents a novel framework termed DistSTN for the task of synthetic aperture radar (SAR) automatic target recognition (ATR). In contrast to the conventional SAR ATR algorithms, DistSTN considers a more challenging practical…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Zaidao Wen , Jiaxiang Liu , Zhunga Liu , Quan Pan

Synthetic aperture radar (SAR) imagery exhibits intrinsic information sparsity due to its unique electromagnetic scattering mechanism. Despite the widespread adoption of deep neural network (DNN)-based SAR automatic target recognition…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Yiming Zhang , Weibo Qin , Yuntian Liu , Feng Wang

In vision-language models (VLMs), prompt tuning has shown its effectiveness in adapting models to downstream tasks. However, learned prompts struggle to generalize to unseen classes, as they tend to overfit to the classes that are targeted…

人工智能 · 计算机科学 2025-02-18 Sehun Jung , Hyang-won Lee

Tabular data are fundamental in common machine learning applications, ranging from finance to genomics and healthcare. This paper focuses on tabular regression tasks, a field where deep learning (DL) methods are not consistently superior to…

机器学习 · 计算机科学 2024-12-17 Hong-Wei Wu , Wei-Yao Wang , Kuang-Da Wang , Wen-Chih Peng

The acquisition of high-quality labeled synthetic aperture radar (SAR) data is challenging due to the demanding requirement for expert knowledge. Consequently, the presence of unreliable noisy labels is unavoidable, which results in…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Yimin Fu , Zhunga Liu , Dongxiu Guo , Longfei Wang

Speech emotion recognition (SER) systems find applications in various fields such as healthcare, education, and security and defense. A major drawback of these systems is their lack of generalization across different conditions. This…

音频与语音处理 · 电气工程与系统科学 2023-05-15 Srinivas Parthasarathy , Carlos Busso

Spherical image processing has been widely applied in many important fields, such as omnidirectional vision for autonomous cars, global climate modelling, and medical imaging. It is non-trivial to extend an algorithm developed for flat…

图像与视频处理 · 电气工程与系统科学 2022-09-30 Jianfei Li , Chaoyan Huang , Raymond Chan , Han Feng , Micheal Ng , Tieyong Zeng

Deep neural networks (DNNs) often struggle with out-of-distribution data, limiting their reliability in diverse realworld applications. To address this issue, domain generalization methods have been developed to learn domain-invariant…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Jiaxi Li , Di Lin , Hao Chen , Hongying Liu , Liang Wan , Wei Feng

Deep neural network based methods are the state of the art in various image restoration problems. Standard supervised learning frameworks require a set of noisy measurement and clean image pairs for which a distance between the output of…

图像与视频处理 · 电气工程与系统科学 2021-03-31 Rihuan Ke , Carola-Bibiane Schönlieb

Adversarial contrastive learning (ACL) is a technique that enhances standard contrastive learning (SCL) by incorporating adversarial data to learn a robust representation that can withstand adversarial attacks and common corruptions without…

机器学习 · 计算机科学 2023-10-24 Xilie Xu , Jingfeng Zhang , Feng Liu , Masashi Sugiyama , Mohan Kankanhalli

We consider a bistatic configuration with a stationary transmitter transmitting unknown waveforms of opportunity and a moving receiver, and present a Deep Learning (DL) framework for passive synthetic aperture radar (SAR) imaging. Existing…

信号处理 · 电气工程与系统科学 2019-06-05 Bariscan Yonel , Eric Mason , Birsen Yazici

Common approaches to explainable AI (XAI) for deep learning focus on analyzing the importance of input features on the classification task in a given model: saliency methods like SHAP and GradCAM are used to measure the impact of spatial…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Anne Sielemann , Valentin Barner , Stefan Wolf , Masoud Roschani , Jens Ziehn , Juergen Beyerer

Deep learning (DL) has proven to be a suitable approach for despeckling synthetic aperture radar (SAR) images. So far, most DL models are trained to reduce speckle that follows a particular distribution, either using simulated noise or a…

图像与视频处理 · 电气工程与系统科学 2021-03-15 Adugna G. Mullissa , Diego Marcos , Devis Tuia , Martin Herold , Johannes Reiche

In the field of robot target recognition research driven by artificial intelligence (AI), factors such as the disordered distribution of targets, the complexity of the environment, the massive scale of data, and noise interference have…

机器人学 · 计算机科学 2025-03-11 Yiting Mao , Dajun Tao , Shengyuan Zhang , Tian Qi , Keqin Li