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In this paper, a hybrid video compression framework is proposed that serves as a demonstrative showcase of deep learning-based approaches extending beyond the confines of traditional coding methodologies. The proposed hybrid framework is…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Yanchen Zhao , Wenxuan He , Chuanmin Jia , Qizhe Wang , Junru Li , Yue Li , Chaoyi Lin , Kai Zhang , Li Zhang , Siwei Ma

Learning-based lossy image compression usually involves the joint optimization of rate-distortion performance. Most existing methods adopt spatially invariant bit length allocation and incorporate discrete entropy approximation to constrain…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Mu Li , Wangmeng Zuo , Shuhang Gu , Jane You , David Zhang

Good quality video coding for low bit-rate applications is important for transmission over narrow-bandwidth channels and for storage with limited memory capacity. In this work, we develop a previous analysis for image compression at low…

Multimedia · Computer Science 2015-04-27 Yehuda Dar , Alfred M. Bruckstein

In this work we describe a Convolutional Neural Network (CNN) to accurately predict the scene illumination. Taking image patches as input, the CNN works in the spatial domain without using hand-crafted features that are employed by most…

Computer Vision and Pattern Recognition · Computer Science 2015-04-20 Simone Bianco , Claudio Cusano , Raimondo Schettini

It has long been considered a significant problem to improve the visual quality of lossy image and video compression. Recent advances in computing power together with the availability of large training data sets has increased interest in…

Multimedia · Computer Science 2017-03-30 Aaditya Prakash , Nick Moran , Solomon Garber , Antonella DiLillo , James Storer

Deep learning has shown great potential in image and video compression tasks. However, it brings bit savings at the cost of significant increases in coding complexity, which limits its potential for implementation within practical…

Image and Video Processing · Electrical Eng. & Systems 2021-05-28 Luka Murn , Saverio Blasi , Alan F. Smeaton , Noel E. O'Connor , Marta Mrak

This paper presents a learning-based method to improve bi-prediction in video coding. In conventional video coding solutions, the motion compensation of blocks from already decoded reference pictures stands out as the principal tool used to…

Image and Video Processing · Electrical Eng. & Systems 2022-02-08 Franck Galpin , Philippe Bordes , Thierry Dumas , Pavel Nikitin , Fabrice Le Leannec

Over the last few years, neural image compression has gained wide attention from research and industry, yielding promising end-to-end deep neural codecs outperforming their conventional counterparts in rate-distortion performance. Despite…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 Ahmed Ghorbel , Wassim Hamidouche , Luce Morin

Image Coding for Machines (ICM) is an image compression technique for image recognition. This technique is essential due to the growing demand for image recognition AI. In this paper, we propose a method for ICM that focuses on encoding and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Takahiro Shindo , Kein Yamada , Taiju Watanabe , Hiroshi Watanabe

Image coding for machines (ICM) aims to compress images for machine analysis using recognition models rather than human vision. Hence, in ICM, it is important for the encoder to recognize and compress the information necessary for the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Kei Iino , Shunsuke Akamatsu , Hiroshi Watanabe , Shohei Enomoto , Akira Sakamoto , Takeharu Eda

We consider the problem of integrating non-imaging information into segmentation networks to improve performance. Conditioning layers such as FiLM provide the means to selectively amplify or suppress the contribution of different feature…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Grzegorz Jacenków , Alison Q. O'Neil , Brian Mohr , Sotirios A. Tsaftaris

The past decade has witnessed great success of deep learning technology in many disciplines, especially in computer vision and image processing. However, deep learning-based video coding remains in its infancy. This paper reviews the…

Multimedia · Computer Science 2020-03-13 Dong Liu , Yue Li , Jianping Lin , Houqiang Li , Feng Wu

Video Coding for Machines (VCM) aims to compress visual signals for machine analysis. However, existing methods only consider a few machines, neglecting the majority. Moreover, the machine's perceptual characteristics are not leveraged…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Qi Zhang , Shanshe Wang , Xinfeng Zhang , Chuanmin Jia , Zhao Wang , Siwei Ma , Wen Gao

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

It has recently been demonstrated that spatial resolution adaptation can be integrated within video compression to improve overall coding performance by spatially down-sampling before encoding and super-resolving at the decoder. Significant…

Image and Video Processing · Electrical Eng. & Systems 2021-01-21 Di Ma , Fan Zhang , David R. Bull

Scalable image coding for both humans and machines is a technique that has gained a lot of attention recently. This technology enables the hierarchical decoding of images for human vision and image recognition models. It is a highly…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Takahiro Shindo , Yui Tatsumi , Taiju Watanabe , Hiroshi Watanabe

This paper presents a study on the use of Convolutional Neural Networks for camera relocalisation and its application to map compression. We follow state of the art visual relocalisation results and evaluate response to different data…

Computer Vision and Pattern Recognition · Computer Science 2017-03-03 Luis Contreras , Walterio Mayol-Cuevas

Large-scale pre-trained Vision-Language Models (VLMs), such as CLIP, establish the correlation between texts and images, achieving remarkable success on various downstream tasks with fine-tuning. In existing fine-tuning methods, the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Yi Zhang , Ce Zhang , Yushun Tang , Zhihai He

Accuracy of depth estimation from static images has been significantly improved recently, by exploiting hierarchical features from deep convolutional neural networks (CNNs). Compared with static images, vast information exists among video…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Haokui Zhang , Chunhua Shen , Ying Li , Yuanzhouhan Cao , Yu Liu , Youliang Yan

To segment 4K or 6K ultra high-resolution images needs extra computation consideration in image segmentation. Common strategies, such as down-sampling, patch cropping, and cascade model, cannot address well the balance issue between…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Tiancheng Shen , Yuechen Zhang , Lu Qi , Jason Kuen , Xingyu Xie , Jianlong Wu , Zhe Lin , Jiaya Jia