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相关论文: Enhanced Intra Prediction for Video Coding by Usin…

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The upcoming video coding standard, Versatile Video Coding (VVC), has shown great improvement compared to its predecessor, High Efficiency Video Coding (HEVC), in terms of bitrate saving. Despite its substantial performance, compressed…

图像与视频处理 · 电气工程与系统科学 2021-12-09 Fatemeh Nasiri , Wassim Hamidouche , Luce Morin , Nicolas Dhollande , Gildas Cocherel

In this paper, a dual learning-based method in intra coding is introduced for PCS Grand Challenge. This method is mainly composed of two parts: intra prediction and reconstruction filtering. They use different network structures, the neural…

图像与视频处理 · 电气工程与系统科学 2019-11-25 Chao Liu , Heming Sun , Junan Chen , Zhengxue Cheng , Masaru Takeuchi , Jiro Katto , Xiaoyang Zeng , Yibo Fan

Intra prediction is an important component of modern video codecs, which is able to efficiently squeeze out the spatial redundancy in video frames. With preceding pixels as the context, traditional intra prediction schemes generate linear…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Yueyu Hu , Wenhan Yang , Mading Li , Jiaying Liu

Learning-based video compression has been extensively studied over the past years, but it still has limitations in adapting to various motion patterns and entropy models. In this paper, we propose multi-mode video compression (MMVC), a…

图像与视频处理 · 电气工程与系统科学 2023-04-06 Bowen Liu , Yu Chen , Rakesh Chowdary Machineni , Shiyu Liu , Hun-Seok Kim

Over the past two decades, traditional block-based video coding has made remarkable progress and spawned a series of well-known standards such as MPEG-4, H.264/AVC and H.265/HEVC. On the other hand, deep neural networks (DNNs) have shown…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Haojie Liu , Ming Lu , Zhan Ma , Fan Wang , Zhihuang Xie , Xun Cao , Yao Wang

The past decade has witnessed the huge success of deep learning in well-known artificial intelligence applications such as face recognition, autonomous driving, and large language model like ChatGPT. Recently, the application of deep…

图像与视频处理 · 电气工程与系统科学 2023-09-15 Yue Li , Junru Li , Chaoyi Lin , Kai Zhang , Li Zhang , Franck Galpin , Thierry Dumas , Hongtao Wang , Muhammed Coban , Jacob Ström , Du Liu , Kenneth Andersson

In this contribution, a novel spatio-temporal prediction algorithm for video coding is introduced. This algorithm exploits temporal as well as spatial redundancies for effectively predicting the signal to be encoded. To achieve this, the…

图像与视频处理 · 电气工程与系统科学 2022-07-05 Jürgen Seiler , André Kaup

Screen content coding (SCC) is becoming increasingly important in various applications, such as desktop sharing, video conferencing, and remote education. When compared to natural camera- captured content, screen content has different…

图形学 · 计算机科学 2015-11-12 Haoming Chen , Ankur Saxena , Felix Fernandes

Traditional intra prediction methods for HEVC rely on using the nearest reference lines for predicting a block, which ignore much richer context between the current block and its neighboring blocks and therefore cause inaccurate prediction…

计算机视觉与模式识别 · 计算机科学 2018-08-20 Wenxue Cui , Tao Zhang , Shengping Zhang , Feng Jiang , Wangmeng Zuo , Debin Zhao

In both H.264 and HEVC, context-adaptive binary arithmetic coding (CABAC) is adopted as the entropy coding method. CABAC relies on manually designed binarization processes as well as handcrafted context models, which may restrict the…

多媒体 · 计算机科学 2018-03-30 Rui Song , Dong Liu , Houqiang Li , Feng Wu

We propose an end-to-end learned video compression scheme for low-latency scenarios. Previous methods are limited in using the previous one frame as reference. Our method introduces the usage of the previous multiple frames as references.…

图像与视频处理 · 电气工程与系统科学 2021-08-02 Jianping Lin , Dong Liu , Houqiang Li , Feng Wu

Intra-frame prediction in the High Efficiency Video Coding (HEVC) standard can be empirically improved by applying sets of recursive two-dimensional filters to the predicted values. However, this approach does not allow (or complicates…

图像与视频处理 · 电气工程与系统科学 2025-05-30 Amir Said , Xin Zhao , Marta Karczewicz , Jianle Chen , Feng Zou

This paper presents an iterative training of neural networks for intra prediction in a block-based image and video codec. First, the neural networks are trained on blocks arising from the codec partitioning of images, each paired with its…

图像与视频处理 · 电气工程与系统科学 2021-02-24 Thierry Dumas , Franck Galpin , Philippe Bordes

With the widespread application of Large Language Models (LLMs) in the field of Natural Language Processing (NLP), enhancing their performance has become a research hotspot. This paper presents a novel multi-prompt ensemble decoding…

This paper presents a framework for Convolutional Neural Network (CNN)-based quality enhancement task, by taking advantage of coding information in the compressed video signal. The motivation is that normative decisions made by the encoder…

图像与视频处理 · 电气工程与系统科学 2021-05-13 Fatemeh Nasiri , Wassim Hamidouche , Luce Morin , Nicolas Dhollande , Gildas Cocherel

The next-generation Versatile Video Coding (VVC) standard introduces a new Multi-Type Tree (MTT) block partitioning structure that supports Binary-Tree (BT) and Ternary-Tree (TT) splits in both vertical and horizontal directions. This new…

图像与视频处理 · 电气工程与系统科学 2022-12-29 Alexandre Tissier , Wassim Hamidouche , Souhaiel Belhadj Dit Mdalsi , Jarno Vanne , Franck Galpin , Daniel Menard

Neural networks provide a powerful tool for applications from classification and regression to general purpose alternative computing. Photonics have the potential to provide enormous speed benefits over electronic and software networks,…

信号处理 · 电气工程与系统科学 2018-10-18 Ethan Gordon

Video compression benefits from advanced chroma intra prediction methods, such as the Cross-Component Linear Model (CCLM) which uses linear models to approximate the relationship between the luma and chroma components. Recently it has been…

多媒体 · 计算机科学 2021-09-27 Chengyi Zou , Shuai Wan , Tiannan Ji , Marta Mrak , Marc Gorriz Blanch , Luis Herranz

We present a multi-scale predictive coding model for future video frames prediction. Drawing inspiration on the ``Predictive Coding" theories in cognitive science, it is updated by a combination of bottom-up and top-down information flows,…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Chaofan Ling , Junpei Zhong , Weihua Li

Despite the outstanding performance of convolutional neural networks (CNNs) for many vision tasks, the required computational cost during inference is problematic when resources are limited. In this context, we propose Convolutional Neural…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Adria Ruiz , Jakob Verbeek