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In this paper, a physics-informed multiresolution wavelet neural network (PIMWNN) method is proposed for solving partial differential equations (PDEs). This method uses the multiresolution wavelet neural network (MWNN) to approximate…

Numerical Analysis · Mathematics 2025-08-12 Feng Han , Jianguo Wang , Guoliang Peng , Xueting Shi

Deep generative models have shown success in automatically synthesizing missing image regions using surrounding context. However, users cannot directly decide what content to synthesize with such approaches. We propose an end-to-end network…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Yinan Zhao , Brian Price , Scott Cohen , Danna Gurari

Quantitative phase imaging (QPI) is a label-free technique that provides optical path length information for transparent specimens, finding utility in biology, materials science, and engineering. Here, we present quantitative phase imaging…

Deep neural networks have shown promising results in image inpainting even if the missing area is relatively large. However, most of the existing inpainting networks introduce undesired artifacts and noise to the repaired regions. To solve…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Ugur Demir , Gozde Unal

Language guided image inpainting aims to fill in the defective regions of an image under the guidance of text while keeping non-defective regions unchanged. However, the encoding process of existing models suffers from either receptive…

Computer Vision and Pattern Recognition · Computer Science 2022-02-11 Minheng Ni , Chenfei Wu , Haoyang Huang , Daxin Jiang , Wangmeng Zuo , Nan Duan

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…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Ziyin Ma , Changjae Oh

Recently, learning-based algorithms for image inpainting achieve remarkable progress dealing with squared or irregular holes. However, they fail to generate plausible textures inside damaged area because there lacks surrounding information.…

Image and Video Processing · Electrical Eng. & Systems 2019-09-19 Zongyu Guo , Zhibo Chen , Tao Yu , Jiale Chen , Sen Liu

Image outpainting is a very intriguing problem as the outside of a given image can be continuously filled by considering as the context of the image. This task has two main challenges. The first is to maintain the spatial consistency in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Kyunghun Kim , Yeohun Yun , Keon-Woo Kang , Kyeongbo Kong , Siyeong Lee , Suk-Ju Kang

The problem of imaging extended targets (sources or scatterers) is formulated in the framework of compressed sensing with emphasis on subwavelength resolution. The proposed formulation of the problems of inverse source/scattering is…

Optics · Physics 2009-09-15 Albert C. Fannjiang

Image pyramids are commonly used in modern computer vision tasks to obtain multi-scale features for precise understanding of images. However, image pyramids process multiple resolutions of images using the same large-scale model, which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Xizhou Zhu , Xue Yang , Zhaokai Wang , Hao Li , Wenhan Dou , Junqi Ge , Lewei Lu , Yu Qiao , Jifeng Dai

Existing image inpainting methods often produce artifacts when dealing with large holes in real applications. To address this challenge, we propose an iterative inpainting method with a feedback mechanism. Specifically, we introduce a deep…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Yu Zeng , Zhe Lin , Jimei Yang , Jianming Zhang , Eli Shechtman , Huchuan Lu

Seismic full-waveform inversion (FWI) provides high resolution images of the subsurface by exploiting information in the recorded seismic waveforms. This is achieved by solving a highly nonnlinear and nonunique inverse problem. Bayesian…

Geophysics · Physics 2023-02-22 Xin Zhang , Angus Lomas , Muhong Zhou , York Zheng , Andrew Curtis

The deep learning (DL)-based methods of low-level tasks have many advantages over the traditional camera in terms of hardware prospects, error accumulation and imaging effects. Recently, the application of deep learning to replace the image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Hongyang Chen , Kaisheng Ma

Quasiparticle interference (QPI) imaging is a powerful tool for probing electronic structures in quantum materials, but extracting the single-scatterer QPI pattern (i.e., the kernel) from a multi-scatterer image remains a fundamentally…

Machine Learning · Computer Science 2026-02-16 Yingshuai Ji , Haomin Zhuang , Matthew Toole , James McKenzie , Xiaolong Liu , Xiangliang Zhang

Medical imaging datasets often suffer from class imbalance and limited availability of pathology-rich cases, which constrains the performance of machine learning models for segmentation, classification, and vision-language tasks. To address…

Image and Video Processing · Electrical Eng. & Systems 2026-01-15 Fei Tan , Ashok Vardhan Addala , Bruno Astuto Arouche Nunes , Xucheng Zhu , Ravi Soni

Blind inpainting algorithms based on deep learning architectures have shown a remarkable performance in recent years, typically outperforming model-based methods both in terms of image quality and run time. However, neural network…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Jenny Schmalfuss , Erik Scheurer , Heng Zhao , Nikolaos Karantzas , Andrés Bruhn , Demetrio Labate

Synthesizing healthy brain scans from diseased brain scans offers a potential solution to address the limitations of general-purpose algorithms, such as tissue segmentation and brain extraction algorithms, which may not effectively handle…

Image and Video Processing · Electrical Eng. & Systems 2024-02-05 Ruizhi Zhu , Xinru Zhang , Haowen Pang , Chundan Xu , Chuyang Ye

Image inpainting plays a vital role in restoring missing image regions and supporting high-level vision tasks, but traditional methods struggle with complex textures and large occlusions. Although Transformer-based approaches have…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Sijin He , Guangfeng Lin , Tao Li , Yajun Chen

Inpainting lesions within different normal backgrounds is a potential method of addressing the generalization problem, which is crucial for polyp segmentation models. However, seamlessly introducing polyps into complex endoscopic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-22 Jiajian Ma , Fangqi Lu , Silin Huang , Song Wu , Zhen Li

Quantum microwave photonics (QMWP) is an innovative approach that combines energy-time entangled biphoton sources as the optical carrier with time-correlated single-photon detection for high-speed RF signal recovery. This groundbreaking…

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