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相关论文: Frequency Enhancement for Image Demosaicking

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Face super-resolution aims to reconstruct a high-resolution face image from a low-resolution face image. Previous methods typically employ an encoder-decoder structure to extract facial structural features, where the direct downsampling…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Wenjie Li , Heng Guo , Xuannan Liu , Kongming Liang , Jiani Hu , Zhanyu Ma , Jun Guo

Demosaicking and denoising are among the most crucial steps of modern digital camera pipelines and their joint treatment is a highly ill-posed inverse problem where at-least two-thirds of the information are missing and the rest are…

计算机视觉与模式识别 · 计算机科学 2018-07-13 Filippos Kokkinos , Stamatios Lefkimmiatis

As a crucial part of the spectral filter array (SFA)-based multispectral imaging process, spectral demosaicing has exploded with the proliferation of deep learning techniques. However, (1) bothering by the difficulty of capturing…

图像与视频处理 · 电气工程与系统科学 2025-03-05 Jiahui Luo , Kai Feng , Haijin Zeng , Yongyong Chen

Although deep learning has enabled a huge leap forward in image inpainting, current methods are often unable to synthesize realistic high-frequency details. In this paper, we propose applying super-resolution to coarsely reconstructed…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Soo Ye Kim , Kfir Aberman , Nori Kanazawa , Rahul Garg , Neal Wadhwa , Huiwen Chang , Nikhil Karnad , Munchurl Kim , Orly Liba

The scene text removal (STR) task aims to remove text regions and recover the background smoothly in images for private information protection. Most existing STR methods adopt encoder-decoder-based CNNs, with direct copies of the features…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Guangtao Lyu , Kun Liu , Anna Zhu , Seiichi Uchida , Brian Kenji Iwana

Deepfake media is becoming widespread nowadays because of the easily available tools and mobile apps which can generate realistic looking deepfake videos/images without requiring any technical knowledge. With further advances in this field…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Sohail Ahmed Khan , Duc-Tien Dang-Nguyen

Deep Convolutional Neural Networks (CNNs), such as Dense Convolutional Networks (DenseNet), have achieved great success for image representation by discovering deep hierarchical information. However, most existing networks simply stacks the…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Zhao Zhang , Zemin Tang , Yang Wang , Zheng Zhang , Choujun Zhan , Zhengjun Zha , Meng Wang

Convolutional neural networks (CNNs) depend on deep network architectures to extract accurate information for image super-resolution. However, obtained information of these CNNs cannot completely express predicted high-quality images for…

图像与视频处理 · 电气工程与系统科学 2024-03-25 Chunwei Tian , Xuanyu Zhang , Qi Zhang , Mingming Yang , Zhaojie Ju

Current methods for medical image segmentation primarily focus on extracting contextual feature information from the perspective of the whole image. While these methods have shown effective performance, none of them take into account the…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Jianjian Yin , Yi Chen , Chengyu Li , Zhichao Zheng , Yanhui Gu , Junsheng Zhou

Very deep Convolutional Neural Networks (CNNs) have greatly improved the performance on various image restoration tasks. However, this comes at a price of increasing computational burden, hence limiting their practical usages. We observe…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Ke Yu , Xintao Wang , Chao Dong , Xiaoou Tang , Chen Change Loy

In image denoising networks, feature scaling is widely used to enlarge the receptive field size and reduce computational costs. This practice, however, also leads to the loss of high-frequency information and fails to consider within-scale…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Hao Shen , Zhong-Qiu Zhao , Wandi Zhang

With the rapid development of facial forgery techniques, forgery detection has attracted more and more attention due to security concerns. Existing approaches attempt to use frequency information to mine subtle artifacts under high-quality…

计算机视觉与模式识别 · 计算机科学 2021-12-30 Qiqi Gu , Shen Chen , Taiping Yao , Yang Chen , Shouhong Ding , Ran Yi

Low-light vision remains a fundamental challenge in computer vision due to severe illumination degradation, which significantly affects the performance of downstream tasks such as detection and segmentation. While recent state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Fangtong Sun , Congyu Li , Ke Yang , Yuchen Pan , Hanwen Yu , Xichuan Zhang , Yiying Li

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,…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Hiya Roy , Subhajit Chaudhury , Toshihiko Yamasaki , Tatsuaki Hashimoto

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

Over the past few years, deep convolutional neural network-based methods have made great progress in semantic segmentation of street scenes. Some recent methods align feature maps to alleviate the semantic gap between them and achieve high…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Xi Weng , Yan Yan , Si Chen , Jing-Hao Xue , Hanzi Wang

As realistic facial manipulation technologies have achieved remarkable progress, social concerns about potential malicious abuse of these technologies bring out an emerging research topic of face forgery detection. However, it is extremely…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Yuyang Qian , Guojun Yin , Lu Sheng , Zixuan Chen , Jing Shao

In image dehazing task, haze density is a key feature and affects the performance of dehazing methods. However, some of the existing methods lack a comparative image to measure densities, and others create intermediate results but lack the…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Zhongze Wang , Haitao Zhao , Lujian Yao , Jingchao Peng , Kaijie Zhao

Artificially generated induced pluripotent stem cells (iPSCs) from somatic cells play an important role for disease modeling and drug screening of neurodegenerative diseases. Astrocytes differentiated from iPSCs are important targets to…

图像与视频处理 · 电气工程与系统科学 2024-02-07 Haoran Li , Jiahua Shi , Huaming Chen , Bo Du , Simon Maksour , Gabrielle Phillips , Mirella Dottori , Jun Shen

The rapid increment of morbidity of brain stroke in the last few years have been a driving force towards fast and accurate segmentation of stroke lesions from brain MRI images. With the recent development of deep-learning, computer-aided…

图像与视频处理 · 电气工程与系统科学 2021-10-25 Hritam Basak , Rukhshanda Hussain , Ajay Rana