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High efficiency video coding (HEVC) has brought outperforming efficiency for video compression. To reduce the compression artifacts of HEVC, we propose a DenseNet based approach as the in-loop filter of HEVC, which leverages multiple…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Tianyi Li , Mai Xu , Ren Yang , Xiaoming Tao

Street Scene Change Detection (SSCD) aims to locate the changed regions between a given street-view image pair captured at different times, which is an important yet challenging task in the computer vision community. The intuitive way to…

计算机视觉与模式识别 · 计算机科学 2020-12-30 Yinjie Lei , Duo Peng , Pingping Zhang , Qiuhong Ke , Haifeng Li

Current learned image compression models typically exhibit high complexity, which demands significant computational resources. To overcome these challenges, we propose an innovative approach that employs hierarchical feature extraction…

图像与视频处理 · 电气工程与系统科学 2025-05-01 Ayman A. Ameen , Thomas Richter , André Kaup

Recently, deep learning-based image compression has made signifcant progresses, and has achieved better ratedistortion (R-D) performance than the latest traditional method, H.266/VVC, in both subjective metric and the more challenging…

图像与视频处理 · 电气工程与系统科学 2022-06-23 Haisheng Fu , Feng Liang , Jie Liang , Binglin Li , Guohe Zhang , Jingning Han

Medical image classification has developed rapidly under the impetus of the convolutional neural network (CNN). Due to the fixed size of the receptive field of the convolution kernel, it is difficult to capture the global features of…

图像与视频处理 · 电气工程与系统科学 2022-09-22 Xiangzuo Huo , Gang Sun , Shengwei Tian , Yan Wang , Long Yu , Jun Long , Wendong Zhang , Aolun Li

Diffusion models have achieved remarkable success in content generation but often incur prohibitive computational costs due to iterative sampling. Recent feature caching methods accelerate inference via temporal extrapolation, yet can…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Liang Feng , Shikang Zheng , Jiacheng Liu , Yuqi Lin , Qinming Zhou , Peiliang Cai , Xinyu Wang , Junjie Chen , Chang Zou , Yue Ma , Linfeng Zhang

Normalizing flows have recently demonstrated promising results for low-level vision tasks. For image super-resolution (SR), it learns to predict diverse photo-realistic high-resolution (HR) images from the low-resolution (LR) image rather…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Jingyun Liang , Andreas Lugmayr , Kai Zhang , Martin Danelljan , Luc Van Gool , Radu Timofte

In frame-based vision, object detection faces substantial performance degradation under challenging conditions due to the limited sensing capability of conventional cameras. Event cameras output sparse and asynchronous events, providing a…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Hu Cao , Zehua Zhang , Yan Xia , Xinyi Li , Jiahao Xia , Guang Chen , Alois Knoll

Image dehazing aims to restore image clarity and visual quality by reducing atmospheric scattering and absorption effects. While deep learning has made significant strides in this area, more and more methods are constrained by network…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Wang Yinglong , He Bin

We propose a data-driven approach for deep convolutional neural network compression that achieves high accuracy with high throughput and low memory requirements. Current network compression methods either find a low-rank factorization of…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Breton Minnehan , Andreas Savakis

Hierarchical federated learning (HFL) has emerged as a key architecture for large-scale wireless and Internet of Things systems, where devices communicate with nearby edge servers before reaching the cloud. In these environments, uplink…

分布式、并行与集群计算 · 计算机科学 2026-02-03 Amirreza Kazemi , Seyed Mohammad Azimi-Abarghouyi , Gabor Fodor , Carlo Fischione

With the increasing deployment of facial image data across a wide range of applications, efficient compression tailored to facial semantics has become critical for both storage and transmission. While recent learning-based face image…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Yimin Zhou , Yichong Xia , Bin Chen , Mingyao Hong , Jiawei Li , Zhi Wang , Yaowei Wang

While image generation with diffusion models has achieved a great success, generating images of higher resolution than the training size remains a challenging task due to the high computational cost. Current methods typically perform the…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Zhengqiang Zhang , Ruihuang Li , Lei Zhang

Typical video compression systems consist of two main modules: motion coding and residual coding. This general architecture is adopted by classical coding schemes (such as international standards H.265 and H.266) and deep learning-based…

计算机视觉与模式识别 · 计算机科学 2023-04-07 David Alexandre , Hsueh-Ming Hang , Wen-Hsiao Peng

In object detection, multi-level prediction (e.g., FPN) and reweighting skills (e.g., focal loss) have drastically improved one-stage detector performance. However, the synergy between these two techniques is not fully explored in a unified…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Binghong Wu , Yehui Yang , Dalu Yang , Junde Wu , Xiaorong Wang , Haifeng Huang , Lei Wang , Yanwu Xu

To enhance image compression performance, recent deep neural network-based research can be divided into three categories: a learnable codec, a postprocessing network, and a compact representation network. The learnable codec has been…

图像与视频处理 · 电气工程与系统科学 2021-12-21 Hanbin Son , Taeoh Kim , Hyeongmin Lee , Sangyoun Lee

Recent advancements in deep learning-based image compression are notable. However, prevalent schemes that employ a serial context-adaptive entropy model to enhance rate-distortion (R-D) performance are markedly slow. Furthermore, the…

应用统计 · 统计学 2024-03-25 Haisheng Fu , Feng Liang , Jie Liang , Zhenman Fang , Guohe Zhang , Jingning Han

Hyperspectral image classification demands spatially coherent predictions and precise boundary delineation. Yet prevailing superpixel-based methods face an inherent contradiction: clustering aggregates similar pixels into regions, but the…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Peifu Liu , Tingfa Xu , Jie Wang , Huan Chen , Huiyan Bai , Jianan Li

Given a real-world dataset, data condensation (DC) aims to synthesize a small synthetic dataset that captures the knowledge of a natural dataset while being usable for training models with comparable accuracy. Recent works propose to…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Haizhong Zheng , Jiachen Sun , Shutong Wu , Bhavya Kailkhura , Zhuoqing Mao , Chaowei Xiao , Atul Prakash

In recent years, there has been rapid development in learned image compression techniques that prioritize ratedistortion-perceptual compression, preserving fine details even at lower bit-rates. However, current learning-based image…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Peirong Ning , Wei Jiang , Ronggang Wang