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The enhanced Deep Hierarchical Video Compression-DHVC 2.0-has been introduced. This single-model neural video codec operates across a broad range of bitrates, delivering not only superior compression performance to representative methods…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Ming Lu , Zhihao Duan , Wuyang Cong , Dandan Ding , Fengqing Zhu , Zhan Ma

Particle image velocimetry (PIV) is essential in experimental fluid dynamics. In the current work, we propose a new velocity field estimation paradigm, which achieves a synergetic combination of the deep learning method and the traditional…

流体动力学 · 物理学 2022-01-12 Qi Gao , Hongtao Lin , Han Tu , Haoran Zhu , Runjie Wei , Guoping Zhang , Xueming Shao

We propose a learning-based compression scheme that envelopes a standard codec between pre and post-processing deep CNNs. Specifically, we demonstrate improvements over prior approaches utilizing a compression-decompression network by…

图像与视频处理 · 电气工程与系统科学 2023-11-03 Dipti Mishra , Satish Kumar Singh , Rajat Kumar Singh

In this paper, we propose a deformable convolution-based generative adversarial network (DCNGAN) for perceptual quality enhancement of compressed videos. DCNGAN is also adaptive to the quantization parameters (QPs). Compared with optical…

图像与视频处理 · 电气工程与系统科学 2022-01-31 Saiping Zhang , Luis Herranz , Marta Mrak , Marc Gorriz Blanch , Shuai Wan , Fuzheng Yang

Compressed video quality enhancement (CVQE) is crucial for improving user experience with lossy video codecs like H.264/AVC, H.265/HEVC, and H.266/VVC. While deep learning based CVQE has driven significant progress, existing surveys still…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Xiem HoangVan , Dang BuiDinh , Sang NguyenQuang , Wen-Hsiao Peng

The proliferation of deep learning-based machine vision applications has given rise to a new type of compression, so called video coding for machine (VCM). VCM differs from traditional video coding in that it is optimized for machine vision…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Yeongwoong Kim , Hyewon Jeong , Janghyun Yu , Younhee Kim , Jooyoung Lee , Se Yoon Jeong , Hui Yong Kim

Convolutional neural networks (CNNs) have constantly achieved better performance over years by introducing more complex topology, and enlarging the capacity towards deeper and wider CNNs. This makes the manual design of CNNs extremely…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Bin Wang , Bing Xue , Mengjie Zhang

The rapid advancement of deep learning models that can generate and synthesis hyper-realistic videos known as Deepfakes and their ease of access to the general public have raised concern from all concerned bodies to their possible malicious…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Deressa Wodajo , Solomon Atnafu

Vision Transformers (ViT) have recently demonstrated the significant potential of transformer architectures for computer vision. To what extent can image-based deep reinforcement learning also benefit from ViT architectures, as compared to…

机器学习 · 计算机科学 2022-05-17 Tianxin Tao , Daniele Reda , Michiel van de Panne

In recent years, deep learning poses a deep technical revolution in almost every field and attracts great attentions from industry and academia. Especially, the convolutional neural network (CNN), one representative model of deep learning,…

人机交互 · 计算机科学 2018-07-09 Mao Yang , Bo Li , Guanxiong Feng , Zhongjiang Yan

This paper introduces AIVC, an end-to-end neural video codec. It is based on two conditional autoencoders MNet and CNet, for motion compensation and coding. AIVC learns to compress videos using any coding configurations through a single…

神经与进化计算 · 计算机科学 2022-06-29 Théo Ladune , Pierrick Philippe

Perceptual video compression adopts generative video modeling to improve perceptual realism but frequently sacrifices signal fidelity, diverging from the goal of video compression to faithfully reproduce visual signal. To alleviate the…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Ding Ding , Daowen Li , Ying Chen , Yixin Gao , Ruixiao Dong , Kai Li , Li Li

The latest video coding standard, Versatile Video Coding (VVC), achieves almost twice coding efficiency compared to its predecessor, the High Efficiency Video Coding (HEVC). However, achieving this efficiency (for intra coding) requires 31x…

多媒体 · 计算机科学 2022-12-13 Farhad Pakdaman , Mohammad Ali Adelimanesh , Mahmoud Reza Hashemi

The Transformer architecture has gained significant popularity in computer vision tasks due to its capacity to generalize and capture long-range dependencies. This characteristic makes it well-suited for generating spatiotemporal tokens…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Rachid Reda Dokkar , Faten Chaieb , Hassen Drira , Arezki Aberkane

Recent advancements in deep learning techniques have significantly improved the quality of compressed videos. However, previous approaches have not fully exploited the motion characteristics of compressed videos, such as the drastic change…

图像与视频处理 · 电气工程与系统科学 2023-02-28 Thong Bach , Thuong Nguyen Canh , Van-Quang Nguyen

Networked video applications, e.g., video conferencing, often suffer from poor visual quality due to unexpected network fluctuation and limited bandwidth. In this paper, we have developed a Quality Enhancement Network (QENet) to reduce the…

图像与视频处理 · 电气工程与系统科学 2019-05-06 Ming Lu , Ming Cheng , Yiling Xu , Shiliang Pu , Qiu Shen , Zhan Ma

In this work, we propose a deep learning approach to improve docking-based virtual screening. The introduced deep neural network, DeepVS, uses the output of a docking program and learns how to extract relevant features from basic data such…

定量方法 · 定量生物学 2016-11-22 Janaina Cruz Pereira , Ernesto Raul Caffarena , Cicero dos Santos

Following the rapidly growing digital image usage, automatic image categorization has become preeminent research area. It has broaden and adopted many algorithms from time to time, whereby multi-feature (generally, hand-engineered features)…

计算机视觉与模式识别 · 计算机科学 2017-05-12 Thangarajah Akilan , Q. M. Jonathan Wu , Wei Jiang

The integration of advanced video codecs into the streaming pipeline is growing in response to the increasing demand for high quality video content. However, the significant computational demand for advanced codecs like Versatile Video…

多媒体 · 计算机科学 2023-12-14 Yiqun Liu , Hadi Amirpour , Mohsen Abdoli , Christian Timmerer , Thomas Guionnet

Foreground segmentation in video sequences is a classic topic in computer vision. Due to the lack of semantic and prior knowledge, it is difficult for existing methods to deal with sophisticated scenes well. Therefore, in this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Xu Zhao , Yingying Chen , Ming Tang , Jinqiao Wang