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Current multimodal models, aimed at solving Vision and Language (V+L) tasks, predominantly repurpose Vision Encoders (VE) as feature extractors. While many VEs -- of different architectures, trained on different data and objectives -- are…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Gregor Geigle , Chen Cecilia Liu , Jonas Pfeiffer , Iryna Gurevych

High-Efficiency Video Coding (HEVC) surpasses its predecessors in encoding efficiency by introducing new coding tools at the cost of an increased encoding time-complexity. The Coding Tree Unit (CTU) is the main building block used in HEVC.…

Multimedia · Computer Science 2021-09-07 Ekrem Cetinkaya , Hadi Amirpour , Mohammad Ghanbari , Christian Timmerer

In recent years, neural network-based image compression techniques have been able to outperform traditional codecs and have opened the gates for the development of learning-based video codecs. However, to take advantage of the high temporal…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Aishwarya Jadhav

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

Learning based video compression attracts increasing attention in the past few years. The previous hybrid coding approaches rely on pixel space operations to reduce spatial and temporal redundancy, which may suffer from inaccurate motion…

Image and Video Processing · Electrical Eng. & Systems 2021-08-24 Zhihao Hu , Guo Lu , Dong Xu

Prior research on deep video compression (DVC) for machine tasks typically necessitates training a unique codec for each specific task, mandating a dedicated decoder per task. In contrast, traditional video codecs employ a flexible encoder…

Image and Video Processing · Electrical Eng. & Systems 2024-04-23 Xingtong Ge , Jixiang Luo , Xinjie Zhang , Tongda Xu , Guo Lu , Dailan He , Jing Geng , Yan Wang , Jun Zhang , Hongwei Qin

The emerging conditional coding-based neural video codec (NVC) shows superiority over commonly-used residual coding-based codec and the latest NVC already claims to outperform the best traditional codec. However, there still exist critical…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Jiahao Li , Bin Li , Yan Lu

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…

Image and Video Processing · Electrical Eng. & Systems 2022-12-29 Alexandre Tissier , Wassim Hamidouche , Souhaiel Belhadj Dit Mdalsi , Jarno Vanne , Franck Galpin , Daniel Menard

As the successor of H.265/HEVC, the new versatile video coding standard (H.266/VVC) can provide up to 50% bitrate saving with the same subjective quality, at the cost of increased decoding complexity. To accelerate the application of the…

Image and Video Processing · Electrical Eng. & Systems 2021-03-08 Yiming Li , Shan Liu , Yu Chen , Yushan Zheng , Sijia Chen , Bin Zhu , Jian Lou

Building correspondences across different modalities, such as video and language, has recently become critical in many visual recognition applications, such as video captioning. Inspired by machine translation, recent models tackle this…

Computer Vision and Pattern Recognition · Computer Science 2019-11-11 Silvio Olivastri , Gurkirt Singh , Fabio Cuzzolin

Mainstream image and video coding standards -- including state-of-the-art codecs like H.266/VVC, AVS3, and AV1 -- adopt a block-based hybrid coding framework. While this framework facilitates straightforward optimization for Peak…

Image and Video Processing · Electrical Eng. & Systems 2025-10-17 Runyu Yang , Ivan V. Bajić

Video coding is a critical step in all popular methods of streaming video. Marked progress has been made in video quality, compression, and computational efficiency. Recently, there has been an interest in finding ways to apply techniques…

Image and Video Processing · Electrical Eng. & Systems 2019-05-14 Everett Fall , Kai-wei Chang , Liang-Gee Chen

Versatile Video Coding (VVC), as the latest standard, significantly improves the coding efficiency over its ancestor standard High Efficiency Video Coding (HEVC), but at the expense of sharply increased complexity. In VVC, the quad-tree…

Image and Video Processing · Electrical Eng. & Systems 2021-06-08 Tianyi Li , Mai Xu , Runzhi Tang , Ying Chen , Qunliang Xing

Standardized lossy video coding is at the core of almost all real-world video processing pipelines. Rate control is used to enable standard codecs to adapt to different network bandwidth conditions or storage constraints. However, standard…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Christoph Reich , Biplob Debnath , Deep Patel , Tim Prangemeier , Daniel Cremers , Srimat Chakradhar

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…

Image and Video Processing · Electrical Eng. & Systems 2019-05-06 Ming Lu , Ming Cheng , Yiling Xu , Shiliang Pu , Qiu Shen , Zhan Ma

Video has become the predominant medium for information dissemination, driving the need for efficient video codecs. Recent advancements in learned video compression have shown promising results, surpassing traditional codecs in terms of…

Multimedia · Computer Science 2023-09-12 Peng-Yu Chen , Wen-Hsiao Peng

To provide users with more realistic visual experiences, videos are developing in the trends of Ultra High Definition (UHD), High Frame Rate (HFR), High Dynamic Range (HDR), Wide Color Gammut (WCG) and high clarity. However, the data amount…

Multimedia · Computer Science 2022-11-17 Yun Zhang , Linwei Zhu , Gangyi Jiang , Sam Kwong , C. -C. Jay Kuo

In recent years, deep learning has made great progress in many fields such as image recognition, natural language processing, speech recognition and video super-resolution. In this survey, we comprehensively investigate 33 state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Hongying Liu , Zhubo Ruan , Peng Zhao , Chao Dong , Fanhua Shang , Yuanyuan Liu , Linlin Yang , Radu Timofte

Pareto-front optimization is crucial for addressing the multi-objective challenges in video streaming, enabling the identification of optimal trade-offs between conflicting goals such as bitrate, video quality, and decoding complexity. This…

Image and Video Processing · Electrical Eng. & Systems 2024-09-30 Angeliki Katsenou , Vignesh V Menon , Adam Wieckowski , Benjamin Bross , Detlev Marpe

Encoding video content into compact latent tokens has become a fundamental step in video generation and understanding, driven by the need to address the inherent redundancy in pixel-level representations. Consequently, there is a growing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Anni Tang , Tianyu He , Junliang Guo , Xinle Cheng , Li Song , Jiang Bian