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Detecting diffusion-generated deepfake images remains an open problem. Current detection methods fail against an adversary who adds imperceptible adversarial perturbations to the deepfake to evade detection. In this work, we propose…

机器学习 · 计算机科学 2023-08-08 Ashish Hooda , Neal Mangaokar , Ryan Feng , Kassem Fawaz , Somesh Jha , Atul Prakash

To prevent unauthorized use of text in images, Scene Text Removal (STR) has become a crucial task. It focuses on automatically removing text and replacing it with a natural, text-less background while preserving significant details such as…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Sanhita Pathak , Vinay Kaushik , Brejesh Lall

3D object detection is an essential task for achieving autonomous driving. Existing anchor-based detection methods rely on empirical heuristics setting of anchors, which makes the algorithms lack elegance. In recent years, we have witnessed…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Xin Zhou , Jinghua Hou , Tingting Yao , Dingkang Liang , Zhe Liu , Zhikang Zou , Xiaoqing Ye , Jianwei Cheng , Xiang Bai

In this research, a novel robust change detection approach is presented for imbalanced multi-temporal synthetic aperture radar (SAR) image based on deep learning. Our main contribution is to develop a novel method for generating difference…

计算机视觉与模式识别 · 计算机科学 2020-03-05 Xinzheng Zhang , Hang Su , Ce Zhang , Peter M. Atkinson , Xiaoheng Tan , Xiaoping Zeng , Xin Jian

Audio-visual saliency prediction can draw support from diverse modality complements, but further performance enhancement is still challenged by customized architectures as well as task-specific loss functions. In recent studies, denoising…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Junwen Xiong , Peng Zhang , Tao You , Chuanyue Li , Wei Huang , Yufei Zha

Synthetic Aperture Radar (SAR) target detection has long been impeded by inherent speckle noise and the prevalence of diminutive, ambiguous targets. While deep neural networks have advanced SAR target detection, their intrinsic…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yimian Dai , Minrui Zou , Yuxuan Li , Xiang Li , Kang Ni , Jian Yang

Learning from a large corpus of data, pre-trained models have achieved impressive progress nowadays. As popular generative pre-training, diffusion models capture both low-level visual knowledge and high-level semantic relations. In this…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Chaofan Ma , Yuhuan Yang , Chen Ju , Fei Zhang , Jinxiang Liu , Yu Wang , Ya Zhang , Yanfeng Wang

Hyperspectral images (HSI) have become popular for analysing remotely sensed images in multiple domain like agriculture, medical. However, existing models struggle with complex relationships and characteristics of spectral-spatial data due…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Neetu Sigger , Tuan Thanh Nguyen , Gianluca Tozzi , Quoc-Tuan Vien , Sinh Van Nguyen

Accurate medical image segmentation is crucial for precise anatomical delineation. Deep learning models like U-Net have shown great success but depend heavily on large datasets and struggle with domain shifts, complex structures, and…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Hantao Zhang , Yuhe Liu , Jiancheng Yang , Weidong Guo , Xinyuan Wang , Pascal Fua

Object detection has recently seen an interesting trend in terms of the most innovative research work, this task being of particular importance in the field of remote sensing, given the consistency of these images in terms of geographical…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Anasse Boutayeb , Iyad Lahsen-cherif , Ahmed El Khadimi

In recent years, diffusion models (DMs) have become a popular method for generating synthetic data. By achieving samples of higher quality, they quickly became superior to generative adversarial networks (GANs) and the current…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Denisa Qosja , Simon Wagner , Daniel O'Hagan

Large-scale pre-trained diffusion models are becoming increasingly popular in solving the Real-World Image Super-Resolution (Real-ISR) problem because of their rich generative priors. The recent development of diffusion transformer (DiT)…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Zheng-Peng Duan , Jiawei Zhang , Xin Jin , Ziheng Zhang , Zheng Xiong , Dongqing Zou , Jimmy S. Ren , Chun-Le Guo , Chongyi Li

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…

计算机视觉与模式识别 · 计算机科学 2022-01-20 Yan Zhao , Lingjun Zhao , Zhong Liu , Dewen Hu , Gangyao Kuang , Li Liu

Simulating high-resolution Synthetic Aperture Radar (SAR) images in complex scenes has consistently presented a significant research challenge. The development of a microwave-domain surface scattering model and its reversibility are poised…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Jiangtao Wei , Yixiang Luomei , Xu Zhang , Feng Xu

Maritime surveillance is not only necessary for every country, such as in maritime safeguarding and fishing controls, but also plays an essential role in international fields, such as in rescue support and illegal immigration control. Most…

图像与视频处理 · 电气工程与系统科学 2023-11-09 Chenwei Wang , Siyi Luo , Jifang Pei , Yulin Huang , Yin Zhang , Jianyu Yang

Target detection is the front-end stage in any automatic target recognition system for synthetic aperture radar (SAR) imagery (SAR-ATR). The efficacy of the detector directly impacts the succeeding stages in the SAR-ATR processing chain.…

图像与视频处理 · 电气工程与系统科学 2018-04-16 Khalid El-Darymli , Peter McGuire , Desmond Power , Cecilia Moloney

In synthetic aperture radar (SAR), images are formed by focusing the response of stationary objects to a single spatial location. On the other hand, moving targets cause phase errors in the standard formation of SAR images that cause…

信息论 · 计算机科学 2013-02-20 Gregory E. Newstadt , Edmund G. Zelnio , Alfred O. Hero

4D radar super-resolution, which aims to reconstruct sparse and noisy point clouds into dense and geometrically consistent representations, is a foundational problem in autonomous perception. However, existing methods often suffer from high…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Minqing Huang , Shouyi Lu , Boyuan Zheng , Ziyao Li , Xiao Tang , Guirong Zhuo

We introduce Diff-Tracker, a novel approach for the challenging unsupervised visual tracking task leveraging the pre-trained text-to-image diffusion model. Our main idea is to leverage the rich knowledge encapsulated within the pre-trained…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Zhengbo Zhang , Li Xu , Duo Peng , Hossein Rahmani , Jun Liu

Diffusion-based purification defenses leverage diffusion models to remove crafted perturbations of adversarial examples and achieve state-of-the-art robustness. Recent studies show that even advanced attacks cannot break such defenses…

密码学与安全 · 计算机科学 2024-01-05 Mintong Kang , Dawn Song , Bo Li