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Integrating deep learning techniques into the video coding framework gains significant improvement compared to the standard compression techniques, especially applying super-resolution (up-sampling) to down-sampling based video coding as…

图像与视频处理 · 电气工程与系统科学 2021-01-19 Man M. Ho , Jinjia Zhou , Gang He

In contrast to traditional image restoration methods, all-in-one image restoration techniques are gaining increased attention for their ability to restore images affected by diverse and unknown corruption types and levels. However,…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Yimin Xu , Nanxi Gao , Zhongyun Shan , Fei Chao , Rongrong Ji

Learning-based underwater image enhancement (UIE) methods have made great progress. However, the lack of large-scale and high-quality paired training samples has become the main bottleneck hindering the development of UIE. The inter-frame…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Yaofeng Xie , Lingwei Kong , Kai Chen , Ziqiang Zheng , Xiao Yu , Zhibin Yu , Bing Zheng

This study presents residual U-Net (U-ResNet), a deep learning surrogate model for predicting steady hemodynamic fields in two-dimensional asymmetric stenotic channels at Reynolds numbers ranging from 200 to 800. By integrating residual…

流体动力学 · 物理学 2025-08-12 Xintong Zou , Suiyang Tong , Wenhui Peng , Qiuxiang Huang , Jianchun Wang

Underwater images suffer from color casts and low contrast due to wavelength- and distance-dependent attenuation and scattering. To solve these two degradation issues, we present an underwater image enhancement network via medium…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Chongyi Li , Saeed Anwar , Junhui Hou , Runmin Cong , Chunle Guo , Wenqi Ren

In this study, we have explored an application of deep learning architecture of the U-Net model, originally designed for biomedical image segmentation, in a regression analysis aimed at predicting fluid flows through textured microchannels.…

计算工程、金融与科学 · 计算机科学 2026-04-06 Ganesh Sahadeo Meshram , Partha Pratim Chakrabarti , Suman Chakraborty

ResNet has achieved tremendous success in computer vision through its residual connection mechanism. ResNet can be viewed as a discretized form of ordinary differential equations (ODEs). From this perspective, the multiple residual blocks…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Nuolin Sun , Linyuan Wang , Haonan Wei , Lei Li , Bin Yan

Previous industrial anomaly detection methods often struggle to handle the extensive diversity in training sets, particularly when they contain stylistically diverse and feature-rich samples, which we categorize as feature-rich anomaly…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Fengjie Wang , Chengming Liu , Lei Shi , Pang Haibo

Due to the difficulty in acquiring massive task-specific occluded images, the classification of occluded images with deep convolutional neural networks (CNNs) remains highly challenging. To alleviate the dependency on large-scale occluded…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Feng Cen , Xiaoyu Zhao , Wuzhuang Li , Guanghui Wang

With the goal of recovering high-quality image content from its degraded version, image restoration enjoys numerous applications, such as in surveillance, computational photography, medical imaging, and remote sensing. Recently,…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Syed Waqas Zamir , Aditya Arora , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang , Ling Shao

Reference-based Image Super-Resolution (RefSR) aims to restore a low-resolution (LR) image by utilizing the semantic and texture information from an additional reference high-resolution (reference HR) image. Existing diffusion-based RefSR…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Zhenning Shi , Zizheng Yan , Yuhang Yu , Clara Xue , Jingyu Zhuang , Qi Zhang , Jinwei Chen , Tao Li , Qingnan Fan

Unsupervised image anomaly detection (UAD) has become a critical process in industrial and medical applications, but it faces growing challenges due to increasing concerns over data privacy. The limited class diversity inherent to one-class…

分布式、并行与集群计算 · 计算机科学 2025-12-30 Silin Chen , Andy Liu , Kangjian Di , Yichu Xu , Han-Jia Ye , Wenhan Luo , Ningmu Zou

Underwater wireless communications can be carried out through acoustic, radio frequency (RF), and optical waves. Compared to its bandwidth limited acoustic and RF counterparts, underwater optical wireless communications (UOWCs) can support…

网络与互联网体系结构 · 计算机科学 2018-03-08 Nasir Saeed , Abdulkadir Celik , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Semantic segmentation of remotely sensed images plays an important role in land resource management, yield estimation, and economic assessment. U-Net, a deep encoder-decoder architecture, has been used frequently for image segmentation with…

图像与视频处理 · 电气工程与系统科学 2022-05-06 Rui Li , Chenxi Duan , Shunyi Zheng , Ce Zhang , Peter M. Atkinson

Full-waveform inversion (FWI) is a method that utilizes seismic data to invert the physical parameters of subsurface media by minimizing the difference between simulated and observed waveforms. Due to its ill-posed nature, FWI is…

地球物理 · 物理学 2025-02-18 Xintong Dong , Zhengyi Yuan , Jun Lin , Shiqi Dong , Xunqian Tong , Yue Li

It is challenging to design an equalizer for the complex time-frequency doubly-selective channel. In this paper, we employ the deep unfolding approach to establish an equalizer for the underwater acoustic (UWA) orthogonal frequency division…

信号处理 · 电气工程与系统科学 2023-06-02 Hao Zhao , Cui Yang , Yalu Xu , Fei Ji , Miaowen Wen , Yankun Chen

Compressing convolutional neural networks (CNNs) is essential for transferring the success of CNNs to a wide variety of applications to mobile devices. In contrast to directly recognizing subtle weights or filters as redundant in a given…

机器学习 · 统计学 2017-07-26 Yunhe Wang , Chang Xu , Jiayan Qiu , Chao Xu , Dacheng Tao

Underwater images typically experience mixed degradations of brightness and structure caused by the absorption and scattering of light by suspended particles. To address this issue, we propose a Real-time Spatial and Frequency Domains…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Jingxia Jiang , Jinbin Bai , Yun Liu , Junjie Yin , Sixiang Chen , Tian Ye , Erkang Chen

The ability to extrapolate gene expression dynamics in living single cells requires robust cell segmentation, and one of the challenges is the amorphous or irregularly shaped cell boundaries. To address this issue, we modified the U-Net…

定量方法 · 定量生物学 2020-01-17 Nanyan Zhu , Chen Liu , Zakary S. Singer , Tal Danino , Andrew F. Laine , Jia Guo

As 3D perception problems grow in popularity and the need for large-scale labeled datasets for LiDAR semantic segmentation increase, new methods arise that aim to reduce the necessity for dense annotations by employing weakly-supervised…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Ozan Unal , Dengxin Dai , Lukas Hoyer , Yigit Baran Can , Luc Van Gool