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The joint interpretation of very high resolution SAR and optical images in dense urban area are not trivial due to the distinct imaging geometry of the two types of images. Especially, the inevitable layover caused by the side-looking SAR…

信号处理 · 电气工程与系统科学 2018-01-24 Yuanyuan Wang , Xiao Xiang Zhu

Universal image restoration is a practical and potential computer vision task for real-world applications. The main challenge of this task is handling the different degradation distributions at once. Existing methods mainly utilize…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Dian Zheng , Xiao-Ming Wu , Shuzhou Yang , Jian Zhang , Jian-Fang Hu , Wei-Shi Zheng

With the global population increasing and arable land resources becoming increasingly limited, smart and precision agriculture have emerged as essential directions for sustainable agricultural development. Artificial intelligence (AI),…

机器学习 · 计算机科学 2025-10-15 Xing Hu , Haodong Chen , Qianqian Duan , Dawei Zhang

Although deep learning-based methods have achieved excellent performance on SAR ATR, the fact that it is difficult to acquire and label a lot of SAR images makes these methods, which originally performed well, perform weakly. This may be…

图像与视频处理 · 电气工程与系统科学 2023-08-23 Chenwei Wang , Siyi Luo , Jifang Pei , Yulin Huang , Yin Zhang , Jianyu Yang

Diffusion models are widely recognized for generating high-quality and diverse images, but their poor real-time performance has led to numerous acceleration works, primarily focusing on UNet-based structures. With the more successful…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Pengtao Chen , Mingzhu Shen , Peng Ye , Jianjian Cao , Chongjun Tu , Christos-Savvas Bouganis , Yiren Zhao , Tao Chen

With the rapid development of image generation technologies, especially the advancement of Diffusion Models, the quality of synthesized images has significantly improved, raising concerns among researchers about information security. To…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Weinan Guan , Wei Wang , Bo Peng , Ziwen He , Jing Dong , Haonan Cheng

LiDAR-based 3D object detection plays an essential role in autonomous driving. Existing high-performing 3D object detectors usually build dense feature maps in the backbone network and prediction head. However, the computational costs…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Gang Zhang , Junnan Chen , Guohuan Gao , Jianmin Li , Si Liu , Xiaolin Hu

Deep hashing models have been widely adopted to tackle the challenges of large-scale image retrieval. However, these approaches face serious security risks due to their vulnerability to adversarial examples. Despite the increasing…

信息检索 · 计算机科学 2025-09-18 Zechao Liu , Zheng Zhou , Xiangkun Chen , Tao Liang , Dapeng Lang

Airports have an important role in both military and civilian domains. The synthetic aperture radar (SAR) based airport detection has received increasing attention in recent years. However, due to the high cost of SAR imaging and annotation…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Daochang Wang , Fan Zhang , Fei Ma , Wei Hu , Yu Tang , Yongsheng Zhou

The segmentation of synthetic aperture radar (SAR) images is a longstanding yet challenging task, not only because of the presence of speckle, but also due to the variations of surface backscattering properties in the images. Tremendous…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Gui-Song Xia , Gang Liu , Wen Yang

Diffusion models have recently achieved outstanding results in the field of image super-resolution. These methods typically inject low-resolution (LR) images via ControlNet.In this paper, we first explore the temporal dynamics of…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Qinwei Lin , Xiaopeng Sun , Yu Gao , Yujie Zhong , Dengjie Li , Zheng Zhao , Haoqian Wang

Recently, computer-aided design models and electromagnetic simulations have been used to augment synthetic aperture radar (SAR) data for deep learning. However, an automatic target recognition (ATR) model struggles with domain shift when…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Oh-Tae Jang , Min-Jun Kim , Sung-Ho Kim , Hee-Sub Shin , Kyung-Tae Kim

To address the challenges in UAV object detection, such as complex backgrounds, severe occlusion, dense small objects, and varying lighting conditions,this paper proposes PT-DETR based on RT-DETR, a novel detection algorithm specifically…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Bingcong Huo , Zhiming Wang

We present a framework for adapting a large pretrained latent diffusion model to high-resolution Synthetic Aperture Radar (SAR) image generation. The approach enables controllable synthesis and the creation of rare or out-of-distribution…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Solène Debuysère , Nicolas Trouvé , Nathan Letheule , Olivier Lévêque , Elise Colin

Due to network operation and maintenance relying heavily on network traffic monitoring, traffic matrix analysis has been one of the most crucial issues for network management related tasks. However, it is challenging to reliably obtain the…

网络与互联网体系结构 · 计算机科学 2024-12-02 Xinyu Yuan , Yan Qiao , Zhenchun Wei , Zeyu Zhang , Minyue Li , Pei Zhao , Rongyao Hu , Wenjing Li

Changing facial expressions, gestures, or background details may dramatically alter the meaning conveyed by an image. Notably, recent advances in diffusion models greatly improve the quality of image manipulation while also opening the door…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Alex Costanzino , Woody Bayliss , Juil Sock , Marc Gorriz Blanch , Danijela Horak , Ivan Laptev , Philip Torr , Fabio Pizzati

Automated defect detection from UAV imagery of transmission lines is a challenging task due to the small size, ambiguity, and complex backgrounds of defects. This paper proposes TinyDef-DETR, a DETR-based framework designed to achieve…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Feng Shen , Jiaming Cui , Wenqiang Li , Shuai Zhou

Detecting ships in synthetic aperture radar (SAR) images is challenging due to strong speckle noise, complex surroundings, and varying scales. This paper proposes MLDet, a multitask learning framework for SAR ship detection, consisting of…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Ming Zhao , Xin Zhang , André Kaup

Diffusion models have demonstrated excellent performance for real-world image super-resolution (Real-ISR), albeit at high computational costs. Most existing methods are trying to derive one-step diffusion models from multi-step counterparts…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jianze Li , Jiezhang Cao , Zichen Zou , Xiongfei Su , Xin Yuan , Yulun Zhang , Yong Guo , Xiaokang Yang

Diffusion models have been shown to be capable of generating high-quality images, suggesting that they could contain meaningful internal representations. Unfortunately, the feature maps that encode a diffusion model's internal information…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Grace Luo , Lisa Dunlap , Dong Huk Park , Aleksander Holynski , Trevor Darrell