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Generative models trained on extensive high-quality datasets effectively capture the structural and statistical properties of clean images, rendering them powerful priors for transforming degraded features into clean ones in image…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Siyang Wang , Feng Zhao

In this paper, we present a texture aware lightweight deep learning framework for iris recognition. Our contributions are primarily three fold. Firstly, to address the dearth of labelled iris data, we propose a reconstruction loss guided…

计算机视觉与模式识别 · 计算机科学 2020-02-24 Manashi Chakraborty , Mayukh Roy , Prabir Kumar Biswas , Pabitra Mitra

When it comes to wild conditions, Facial Expression Recognition is often challenged with low-quality data and imbalanced, ambiguous labels. This field has much benefited from CNN based approaches; however, CNN models have structural…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Hyeonbin Hwang , Soyeon Kim , Wei-Jin Park , Jiho Seo , Kyungtae Ko , Hyeon Yeo

Automated liver segmentation from radiology scans (CT, MRI) can improve surgery and therapy planning and follow-up assessment in addition to conventional use for diagnosis and prognosis. Although convolutional neural networks (CNNs) have…

图像与视频处理 · 电气工程与系统科学 2022-05-31 Ugur Demir , Zheyuan Zhang , Bin Wang , Matthew Antalek , Elif Keles , Debesh Jha , Amir Borhani , Daniela Ladner , Ulas Bagci

Generating desired images conditioned on given text descriptions has received lots of attention. Recently, diffusion models and autoregressive models have demonstrated their outstanding expressivity and gradually replaced GAN as the favored…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Xiaozhou You , Jian Zhang

Blind face restoration is a highly ill-posed problem that often requires auxiliary guidance to 1) improve the mapping from degraded inputs to desired outputs, or 2) complement high-quality details lost in the inputs. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Shangchen Zhou , Kelvin C. K. Chan , Chongyi Li , Chen Change Loy

Generative transformers have shown their superiority in synthesizing high-fidelity and high-resolution images, such as good diversity and training stability. However, they suffer from the problem of slow generation since they need to…

计算机视觉与模式识别 · 计算机科学 2023-03-08 Jiacheng Li , Longhui Wei , ZongYuan Zhan , Xin He , Siliang Tang , Qi Tian , Yueting Zhuang

Ill-posed inverse problems appear in many image processing applications, such as deblurring and super-resolution. In recent years, solutions that are based on deep Convolutional Neural Networks (CNNs) have shown great promise. Yet, most of…

计算机视觉与模式识别 · 计算机科学 2021-02-05 Shady Abu-Hussein , Tom Tirer , Se Young Chun , Yonina C. Eldar , Raja Giryes

This paper introduces a novel method for image colorization that utilizes a color transformer and generative adversarial networks (GANs) to address the challenge of generating visually appealing colorized images. Conventional approaches…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Hamza Shafiq , Bumshik Lee

Existing unpaired low-light image enhancement approaches prefer to employ the two-way GAN framework, in which two CNN generators are deployed for enhancement and degradation separately. However, such data-driven models ignore the inherent…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Jize Zhang , Haolin Wang , Xiaohe Wu , Wangmeng Zuo

Computational imaging through scatter generally is accomplished by first characterizing the scattering medium so that its forward operator is obtained; and then imposing additional priors in the form of regularizers on the reconstruction…

光学 · 物理学 2017-11-21 Shuai Li , Mo Deng , Justin Lee , Ayan Sinha , George Barbastathis

Model Inversion (MI) attacks aim to reconstruct privacy-sensitive training data from released models by utilizing output information, raising extensive concerns about the security of Deep Neural Networks (DNNs). Recent advances in…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Yixiang Qiu , Hao Fang , Hongyao Yu , Bin Chen , MeiKang Qiu , Shu-Tao Xia

Magnetic resonance images (MRI) acquired with low through-plane resolution compromise time and cost. The poor resolution in one orientation is insufficient to meet the requirement of high resolution for early diagnosis of brain disease and…

图像与视频处理 · 电气工程与系统科学 2023-06-13 Shan Huang , Xiaohong Liu , Tao Tan , Menghan Hu , Xiaoer Wei , Tingli Chen , Bin Sheng

Removing noise from images is a challenging and fundamental problem in the field of computer vision. Images captured by modern cameras are inevitably degraded by noise which limits the accuracy of any quantitative measurements on those…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Nikhil Verma , Deepkamal Kaur , Lydia Chau

Image rescaling is a commonly used bidirectional operation, which first downscales high-resolution images to fit various display screens or to be storage- and bandwidth-friendly, and afterward upscales the corresponding low-resolution…

图像与视频处理 · 电气工程与系统科学 2022-10-11 Mingqing Xiao , Shuxin Zheng , Chang Liu , Zhouchen Lin , Tie-Yan Liu

Signal reconstruction is a challenging aspect of computational imaging as it often involves solving ill-posed inverse problems. Recently, deep feed-forward neural networks have led to state-of-the-art results in solving various inverse…

计算机视觉与模式识别 · 计算机科学 2018-04-25 Akshat Dave , Anil Kumar Vadathya , Ramana Subramanyam , Rahul Baburajan , Kaushik Mitra

Attention-based models, exemplified by the Transformer, can effectively model long range dependency, but suffer from the quadratic complexity of self-attention operation, making them difficult to be adopted for high-resolution image…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Long Zhao , Zizhao Zhang , Ting Chen , Dimitris N. Metaxas , Han Zhang

In recent years, deep generative models, such as Generative Adversarial Network (GAN), has grabbed significant attention in the field of computer vision. This project focuses on the application of GAN in image deblurring with the aim of…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Zhengdong Li

Generative diffusion models are becoming one of the most popular prior in image restoration (IR) tasks due to their remarkable ability to generate realistic natural images. Despite achieving satisfactory results, IR methods based on…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Di You , Pier Luigi Dragotti

Reversible face anonymization, unlike traditional face pixelization, seeks to replace sensitive identity information in facial images with synthesized alternatives, preserving privacy without sacrificing image clarity. Traditional methods,…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Haoxin Yang , Xuemiao Xu , Cheng Xu , Huaidong Zhang , Jing Qin , Yi Wang , Pheng-Ann Heng , Shengfeng He