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Super-resolution (SR) plays a crucial role in improving the image quality of magnetic resonance imaging (MRI). MRI produces multi-contrast images and can provide a clear display of soft tissues. However, current super-resolution methods…

图像与视频处理 · 电气工程与系统科学 2021-07-07 Chun-Mei Feng , Huazhu Fu , Shuhao Yuan , Yong Xu

Infrared search and tracking (IRST) system has been widely concerned and applied in the area of national defence. Small target detection under complex background is a very challenging task in the development of system algorithm. Low…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Fan Wang

High resolution magnetic resonance (MR) images are desired for accurate diagnostics. In practice, image resolution is restricted by factors like hardware, cost and processing constraints. Recently, deep learning methods have been shown to…

机器学习 · 计算机科学 2018-09-11 Venkateswararao Cherukuri , Tiantong Guo , Steven J. Schiff , Vishal Monga

We propose a deep learning method for single image super-resolution (SR). Our method directly learns an end-to-end mapping between the low/high-resolution images. The mapping is represented as a deep convolutional neural network (CNN) that…

计算机视觉与模式识别 · 计算机科学 2015-08-03 Chao Dong , Chen Change Loy , Kaiming He , Xiaoou Tang

We introduce SharpNet, a method that predicts an accurate depth map for an input color image, with a particular attention to the reconstruction of occluding contours: Occluding contours are an important cue for object recognition, and for…

计算机视觉与模式识别 · 计算机科学 2019-11-13 Michaël Ramamonjisoa , Vincent Lepetit

Optimization-based approaches dominate infrared small target detection as they leverage infrared imagery's intrinsic low-rankness and sparsity. While effective for single-frame images, they struggle with dynamic changes in multi-frame…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Fengyi Wu , Simin Liu , Haoan Wang , Bingjie Tao , Junhai Luo , Zhenming Peng

Purpose: The suppression of motion artefacts from MR images is a challenging task. The purpose of this paper is to develop a standalone novel technique to suppress motion artefacts from MR images using a data-driven deep learning approach.…

图像与视频处理 · 电气工程与系统科学 2020-10-08 Kamlesh Pawar , Zhaolin Chen , N. Jon Shah , Gary F. Egan

Infrared Small Target Detection (IRSTD) aims to segment small targets from infrared clutter background. Existing methods mainly focus on discriminative approaches, i.e., a pixel-level front-background binary segmentation. Since infrared…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Haoqing Li , Jinfu Yang , Yifei Xu , Runshi Wang

Single image super-resolution is an effective way to enhance the spatial resolution of remote sensing image, which is crucial for many applications such as target detection and image classification. However, existing methods based on the…

图像与视频处理 · 电气工程与系统科学 2020-11-22 Wenjia Xu , Guangluan Xu , Yang Wang , Xian Sun , Daoyu Lin , Yirong Wu

Single image super-resolution(SISR) is an ill-posed problem that aims to obtain high-resolution (HR) output from low-resolution (LR) input, during which extra high-frequency information is supposed to be added to improve the perceptual…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Runyuan Cai , Yue Ding , Hongtao Lu

Infrared small target detection (IRSTD) is thus critical in both civilian and military applications. This study addresses the challenge of precisely IRSTD in complex backgrounds. Recent methods focus fundamental reliance on conventional…

图像与视频处理 · 电气工程与系统科学 2025-08-05 Yuxin Jing , Jufeng Zhao , Tianpei Zhang , Yiming Zhu

Small object detection in complex scenes exposes a fundamental tension in neural network design: backbone attention distributes computation uniformly regardless of content, pyramid necks inflate activation magnitudes during upsampling…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Bo Gao , Jingcheng Tong , Xingsheng Chen , Han Yu , Zichen Li

Magnetic resonance imaging (MRI) is widely used for screening, diagnosis, image-guided therapy, and scientific research. A significant advantage of MRI over other imaging modalities such as computed tomography (CT) and nuclear imaging is…

图像与视频处理 · 电气工程与系统科学 2020-02-20 Qing Lyu , Hongming Shan , Ge Wang

Realistic image super-resolution (SR) focuses on transforming real-world low-resolution (LR) images into high-resolution (HR) ones, handling more complex degradation patterns than synthetic SR tasks. This is critical for applications like…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Chaowei Fang , Bolin Fu , De Cheng , Lechao Cheng , Guanbin Li

Recently, researchers have proposed various deep learning methods to accurately detect infrared targets with the characteristics of indistinct shape and texture. Due to the limited variety of infrared datasets, training deep learning models…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Yukai Shi , Yupei Lin , Pengxu Wei , Xiaoyu Xian , Tianshui Chen , Liang Lin

Deep convolutional neural networks (DCNNs) have substantially advanced object detection capabilities, particularly in remote sensing imagery. However, challenges persist, especially in detecting small objects where the high resolution of…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Jiahao Zhang , Xiao Zhao , Guangyu Gao

High-resolution medical images can provide more detailed information for better diagnosis. Conventional medical image super-resolution relies on a single task which first performs the extraction of the features and then upscaling based on…

图像与视频处理 · 电气工程与系统科学 2025-04-25 Xiaoyan Kui , Zexin Ji , Beiji Zou , Yang Li , Yulan Dai , Liming Chen , Pierre Vera , Su Ruan

Recently, infrared small target detection with single-point supervision has attracted extensive attention. However, the detection accuracy of existing methods has difficulty meeting actual needs. Therefore, we propose an innovative refined…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Jinmiao Zhao , Zelin Shi , Chuang Yu , Yunpeng Liu

Although sparse-view computed tomography (CT) has significantly reduced radiation dose, it also introduces severe artifacts which degrade the image quality. In recent years, deep learning-based methods for inverse problems have made…

图像与视频处理 · 电气工程与系统科学 2024-01-02 Shuo Xu , Yucheng Zhang , Gang Chen , Xincheng Xiang , Peng Cong , Yuewen Sun

Infrared small target detection (ISTD) under complex backgrounds is a difficult problem, for the differences between targets and backgrounds are not easy to distinguish. Background reconstruction is one of the methods to deal with this…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Jingchao Peng , Haitao Zhao , Kaijie Zhao , Zhongze Wang , Lujian Yao