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One of the core components of conventional (i.e., non-learned) video codecs consists of predicting a frame from a previously-decoded frame, by leveraging temporal correlations. In this paper, we propose an end-to-end learned system for…

Image and Video Processing · Electrical Eng. & Systems 2020-04-22 Nannan Zou , Honglei Zhang , Francesco Cricri , Hamed R. Tavakoli , Jani Lainema , Emre Aksu , Miska Hannuksela , Esa Rahtu

While the BD-rate performance of recent learned video codec models in both low-delay and random-access modes exceed that of respective modes of traditional codecs on average over common benchmarks, the performance improvements for…

Image and Video Processing · Electrical Eng. & Systems 2025-10-13 Ahmet Bilican , M. Akın Yılmaz , A. Murat Tekalp

The growth in video Internet traffic and advancements in video attributes such as framerate, resolution, and bit-depth boost the demand to devise a large-scale, highly efficient video encoding environment. This is even more essential for…

The paper presents a new approach to multiview video coding using Screen Content Coding. It is assumed that for a time instant the frames corresponding to all views are packed into a single frame, i.e. the frame-compatible approach to…

Multimedia · Computer Science 2021-06-28 Jarosław Samelak , Marek Domański

While the next generation video compression standard, Versatile Video Coding (VVC), provides a superior compression efficiency, its computational complexity dramatically increases. This paper thoroughly analyzes this complexity for both…

Multimedia · Computer Science 2020-10-08 Farhad Pakdaman , Mohammad Ali Adelimanesh , Moncef Gabbouj , Mahmoud Reza Hashemi

Deep video compression has made remarkable process in recent years, with the majority of advancements concentrated on P-frame coding. Although efforts to enhance B-frame coding are ongoing, their compression performance is still far behind…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Xihua Sheng , Li Li , Dong Liu , Shiqi Wang

Depth data has a widespread use since the popularity of high-resolution 3D sensors. In multi-view sequences, depth information is used to supplement the color data of each view. This article proposes a joint encoding of multiple depth maps…

Computer Vision and Pattern Recognition · Computer Science 2019-11-04 Marc Maceira , David Varas , Josep-Ramon Morros , JavierRuiz-Hidalgo , Ferran Marques

A depth image provides partial geometric information of a 3D scene, namely the shapes of physical objects as observed from a particular viewpoint. This information is important when synthesizing images of different virtual camera viewpoints…

Multimedia · Computer Science 2016-12-26 Yuan Yuan , Gene Cheung , Patrick Le Callet , Pascal Frossard , Hong Vicky Zhao

Recently, deep image compression has shown a big progress in terms of coding efficiency and image quality improvement. However, relatively less attention has been put on video compression using deep learning networks. In the paper, we first…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Woonsung Park , Munchurl Kim

Distributed Video Coding (DVC) is a new coding paradigm for video compression, based on Slepian- Wolf (lossless coding) and Wyner-Ziv (lossy coding) information theoretic results. DVC is useful for emerging applications such as wireless…

Multimedia · Computer Science 2011-03-25 Vijay Kumar Kodavalla , Dr. P. G. Krishna Mohan

3D video coding is one of the most popular research area in multimedia. This paper reviews the recent progress of the coding technologies for multiview video (MVV) and free view-point video (FVV) which is represented by MVV and depth maps.…

Multimedia · Computer Science 2015-12-31 Qifei Wang

In this paper, a novel decoding algorithm for low-density parity-check (LDPC) codes based on convex optimization is presented. The decoding algorithm, called interior point decoding, is designed for linear vector channels. The linear vector…

Information Theory · Computer Science 2009-11-13 Tadashi Wadayama

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…

Multimedia · Computer Science 2022-12-13 Farhad Pakdaman , Mohammad Ali Adelimanesh , Mahmoud Reza Hashemi

We present a new algorithm for video coding, learned end-to-end for the low-latency mode. In this setting, our approach outperforms all existing video codecs across nearly the entire bitrate range. To our knowledge, this is the first…

Image and Video Processing · Electrical Eng. & Systems 2018-11-20 Oren Rippel , Sanjay Nair , Carissa Lew , Steve Branson , Alexander G. Anderson , Lubomir Bourdev

We address the problem of efficiently compressing video for conferencing-type applications. We build on recent approaches based on image animation, which can achieve good reconstruction quality at very low bitrate by representing face…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Goluck Konuko , Stéphane Lathuilière , Giuseppe Valenzise

Learned image compression (LIC) has recently made significant progress, surpassing traditional methods. However, most LIC approaches operate mainly in the spatial domain and lack mechanisms for reducing frequency-domain correlations. To…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Haisheng Fu , Jie Liang , Feng Liang , Zhenman Fang , Guohe Zhang , Jingning Han

We propose a very simple and efficient video compression framework that only focuses on modeling the conditional entropy between frames. Unlike prior learning-based approaches, we reduce complexity by not performing any form of explicit…

Image and Video Processing · Electrical Eng. & Systems 2020-08-24 Jerry Liu , Shenlong Wang , Wei-Chiu Ma , Meet Shah , Rui Hu , Pranaab Dhawan , Raquel Urtasun

In this paper, we propose a partition-masked Convolution Neural Network (CNN) to achieve compressed-video enhancement for the state-of-the-art coding standard, High Efficiency Video Coding (HECV). More precisely, our method utilizes the…

Multimedia · Computer Science 2019-12-30 Xiaoyi He , Qiang Hu , Xintong Han , Xiaoyun Zhang , Chongyang Zhang , Weiyao Lin

Neural Representations for Videos (NeRV) have simplified the video codec process and achieved swift decoding speeds by encoding video content into a neural network, presenting a promising solution for video compression. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Li Yu , Zhihui Li , Jimin Xiao , Moncef Gabbouj

A transcoding scheme for the High Efficiency Video Coding (HEVC) is proposed that allows any partial frame modification to be followed by a partial re-compression of only the modified areas, while guaranteeing identical reconstruction of…

Multimedia · Computer Science 2023-12-20 Mohsen Abdoli , Félix Henry , Gordon Clare