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Defocus deblurring is a challenging task due to the spatially varying nature of defocus blur. While deep learning approach shows great promise in solving image restoration problems, defocus deblurring demands accurate training data that…

Image and Video Processing · Electrical Eng. & Systems 2022-04-04 Lingyan Ruan , Bin Chen , Jizhou Li , Miuling Lam

While achieving excellent results on various datasets, many deep learning methods for image deblurring suffer from limited generalization capabilities with out-of-domain data. This limitation is likely caused by their dependence on certain…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Jixiang Sun , Fei Lei , Jiawei Zhang , Wenxiu Sun , Yujiu Yang

The search for efficient neural network architectures has gained much focus in recent years, where modern architectures focus not only on accuracy but also on inference time and model size. Here, we present FUN, a family of novel…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Kfir Goldberg , Stav Shapiro , Elad Richardson , Shai Avidan

Image restoration aims to recover high-quality images from their corrupted counterparts. Many existing methods primarily focus on the spatial domain, neglecting the understanding of frequency variations and ignoring the impact of implicit…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Hu Gao , Depeng Dang

Cross-Domain Few-Shot Learning has witnessed great stride with the development of meta-learning. However, most existing methods pay more attention to learning domain-adaptive inductive bias (meta-knowledge) through feature-wise manipulation…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Tiange Zhang , Qing Cai , Feng Gao , Lin Qi , Junyu Dong

Many computer vision and image processing applications rely on local features. It is well-known that motion blur decreases the performance of traditional feature detectors and descriptors. We propose an inertial-based deblurring method for…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Janne Mustaniemi , Juho Kannala , Simo Särkkä , Jiri Matas , Janne Heikkilä

Image reconstruction from radio-frequency data is pivotal in ultrafast plane wave ultrasound imaging. Unlike the conventional delay-and-sum (DAS) technique, which relies on somewhat imprecise assumptions, deep learning-based methods perform…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Hengrong Lan , Zhiqiang Li , Qiong He , Jianwen Luo

Understanding the morphological structure of medical images and precisely segmenting the region of interest or abnormality is an important task that can assist in diagnosis. However, the unique properties of medical imaging make clear…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Sungmin Kang , Jaeha Song , Jihie Kim

Layer decomposition to separate an input image into base and detail layers has been steadily used for image restoration. Existing residual networks based on an additive model require residual layers with a small output range for fast…

Image and Video Processing · Electrical Eng. & Systems 2021-02-09 Chang-Hwan Son

In this paper, we present a novel image inpainting technique using frequency domain information. Prior works on image inpainting predict the missing pixels by training neural networks using only the spatial domain information. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Hiya Roy , Subhajit Chaudhury , Toshihiko Yamasaki , Tatsuaki Hashimoto

In this paper, we consider the problem in defocus image deblurring. Previous classical methods follow two-steps approaches, i.e., first defocus map estimation and then the non-blind deblurring. In the era of deep learning, some researchers…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Qian Ye , Masanori Suganuma , Takayuki Okatani

In recent years, the use of large convolutional kernels has become popular in designing convolutional neural networks due to their ability to capture long-range dependencies and provide large receptive fields. However, the increase in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Gang Wu , Junjun Jiang , Yuanchao Bai , Xianming Liu

Deep generative models have emerged as promising tools for detecting arbitrary anomalies in data, dispensing with the necessity for manual labelling. Recently, autoregressive transformers have achieved state-of-the-art performance for…

A Discrete Fourier Transform Method (DFTM) for discrimination between the signal of neutrons and gamma rays in organic scintillation detectors is presented. The method is based on the transformation of signals into the frequency domain…

Instrumentation and Detectors · Physics 2016-11-03 M. J. Safari , F. Abbasi Davani , H. Afarideh , S. Jamili , E. Bayat

The performance of single image super-resolution depends heavily on how to generate and complement high-frequency details to low-resolution images. Recently, diffusion-based DDPM models exhibit great potential in generating high-quality…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Xingjian Wang , Li Chai , Jiming Chen

Variational Autoencoders (VAEs) are powerful generative models, however their generated samples are known to suffer from a characteristic blurriness, as compared to the outputs of alternative generating techniques. Extensive research…

Image and Video Processing · Electrical Eng. & Systems 2024-01-09 Vibhu Dalal

Stereo Image Super-Resolution (stereoSR) has attracted significant attention in recent years due to the extensive deployment of dual cameras in mobile phones, autonomous vehicles and robots. In this work, we propose a new StereoSR method,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Ke Chen , Liangyan Li , Huan Liu , Yunzhe Li , Congling Tang , Jun Chen

Deep learning-based motion deblurring techniques have advanced significantly in recent years. This class of techniques, however, does not carefully examine the inherent flaws in blurry images. For instance, low edge and structural…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Nianzu Qiao , Lamei Di , Changyin Sun

Nowadays advanced image editing tools and technical skills produce tampered images more realistically, which can easily evade image forensic systems and make authenticity verification of images more difficult. To tackle this challenging…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Jing Hao , Zhixin Zhang , Shicai Yang , Di Xie , Shiliang Pu

Remote sensor image object detection is an important technology for Earth observation, and is used in various tasks such as forest fire monitoring and ocean monitoring. Image object detection technology, despite the significant…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Gu Lingyun , Eugene Popov , Dong Ge
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