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Three-dimensional (3-D) synthetic aperture radar (SAR) is widely used in many security and industrial applications requiring high-resolution imaging of concealed or occluded objects. The ability to resolve intricate 3-D targets is essential…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Josiah Smith , Murat Torlak

Sparse-view CT reconstruction, aimed at reducing X-ray radiation risks, frequently suffers from image quality degradation, manifested as noise and artifacts. Existing post-processing and dual-domain techniques, although effective in…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Xinyuan Wang , Changqing Su , Bo Xiong

Tasks that involve high-resolution dense prediction require a modeling of both local and global patterns in a large input field. Although the local and global structures often depend on each other and their simultaneous modeling is…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Naoya Takahashi , Yuki Mitsufuji

In this paper we propose a convolutional neural network that is designed to upsample a series of sparse range measurements based on the contextual cues gleaned from a high resolution intensity image. Our approach draws inspiration from…

计算机视觉与模式识别 · 计算机科学 2019-07-11 Shreyas S. Shivakumar , Ty Nguyen , Ian D. Miller , Steven W. Chen , Vijay Kumar , Camillo J. Taylor

In the field of spatial-spectral fusion, the model-based method and the deep learning (DL)-based method are state-of-the-art. This paper presents a fusion method that incorporates the deep neural network into the model-based method for the…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Huanfeng Shen , Menghui Jiang , Jie Li , Qiangqiang Yuan , Yanchong Wei , Liangpei Zhang

Deep learning-based super-resolution (SR) techniques have generally achieved excellent performance in the computer vision field. Recently, it has been proven that three-dimensional (3D) SR for medical volumetric data delivers better visual…

图像与视频处理 · 电气工程与系统科学 2021-05-19 Yinhao Li , Yutaro Iwamoto , Lanfen Lin , Rui Xu , Yen-Wei Chen

Deep convolutional neural networks (CNNs) for image denoising can effectively exploit rich hierarchical features and have achieved great success. However, many deep CNN-based denoising models equally utilize the hierarchical features of…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Wencong Wu , An Ge , Guannan Lv , Yuelong Xia , Yungang Zhang , Wen Xiong

Pansharpening aims to fuse a multispectral (MS) image with an associated panchromatic (PAN) image, producing a composite image with the spectral resolution of the former and the spatial resolution of the latter. Traditional pansharpening…

图像与视频处理 · 电气工程与系统科学 2018-06-26 Lin He , Yizhou Rao , Jun Li , Antonio Plaza , Jiawei Zhu

We present a wavelet-based dual-stream network that addresses color cast and blurry details in underwater images. We handle these artifacts separately by decomposing an input image into multiple frequency bands using discrete wavelet…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Ziyin Ma , Changjae Oh

Most satellites decouple the acquisition of a panchromatic image at high spatial resolution from the acquisition of a multispectral image at lower spatial resolution. Pansharpening is a fusion technique used to increase the spatial…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Joan Duran , Antoni Buades , Bartomeu Coll , Catalina Sbert , Gwendoline Blanchet

Recently, single-image super-resolution has made great progress owing to the development of deep convolutional neural networks (CNNs). The vast majority of CNN-based models use a pre-defined upsampling operator, such as bicubic…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Xin Yang , Haiyang Mei , Jiqing Zhang , Ke Xu , Baocai Yin , Qiang Zhang , Xiaopeng Wei

Low-light image enhancement is a classical computer vision problem aiming to recover normal-exposure images from low-light images. However, convolutional neural networks commonly used in this field are good at sampling low-frequency local…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Yunliang Zhuang , Zhuoran Zheng , Chen Lyu

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

Deep learning has substantially advanced pansharpening, achieving impressive fusion quality. However, a prevalent limitation is that conventional deep learning models, which typically rely on training datasets, often exhibit suboptimal…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Haorui Chen , Zeyu Ren , Jiaxuan Ren , Ran Ran , Jinliang Shao , Jie Huang , Liangjian Deng

Recent works achieve excellent results in defocus deblurring task based on dual-pixel data using convolutional neural network (CNN), while the scarcity of data limits the exploration and attempt of vision transformer in this task. In…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Dafeng Zhang , Xiaobing Wang

Deep convolutional neural networks (ConvNets) of 3-dimensional kernels allow joint modeling of spatiotemporal features. These networks have improved performance of video and volumetric image analysis, but have been limited in size due to…

计算机视觉与模式识别 · 计算机科学 2017-06-13 David Budden , Alexander Matveev , Shibani Santurkar , Shraman Ray Chaudhuri , Nir Shavit

Multi-exposure High Dynamic Range (HDR) imaging is a challenging task when facing truncated texture and complex motion. Existing deep learning-based methods have achieved great success by either following the alignment and fusion pipeline…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Lingtong Kong , Bo Li , Yike Xiong , Hao Zhang , Hong Gu , Jinwei Chen

Retaining spatial characteristics of panchromatic image and spectral information of multispectral bands is a critical issue in pansharpening. This paper proposes a pyramid based deep fusion framework that preserves spectral and spatial…

图像与视频处理 · 电气工程与系统科学 2021-02-18 Hannan Adeel , Syed Sohaib Ali , Muhammad Mohsin Riaz , Syed Abdul Mannan Kirmani , Muhammad Imran Qureshi , Junaid Imtiaz

Most existing deep learning-based pan-sharpening methods have several widely recognized issues, such as spectral distortion and insufficient spatial texture enhancement, we propose a novel pan-sharpening convolutional neural network based…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Jiaming Wang , Zhenfeng Shao , Xiao Huang , Tao Lu , Ruiqian Zhang , Jiayi Ma

Depth super-resolution (DSR) aims to restore high-resolution (HR) depth from low-resolution (LR) one, where RGB image is often used to promote this task. Recent image guided DSR approaches mainly focus on spatial domain to rebuild depth…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Zhengxue Wang , Zhiqiang Yan , Jian Yang