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The emerging Learned Compression (LC) replaces the traditional codec modules with Deep Neural Networks (DNN), which are trained end-to-end for rate-distortion performance. This approach is considered as the future of image/video…

图像与视频处理 · 电气工程与系统科学 2024-07-08 Farhad Pakdaman , Moncef Gabbouj

Recent advances in deep generative models led to the development of neural face video compression codecs that use an order of magnitude less bandwidth than engineered codecs. These neural codecs reconstruct the current frame by warping a…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Anna Volokitin , Stefan Brugger , Ali Benlalah , Sebastian Martin , Brian Amberg , Michael Tschannen

Deep learning is overwhelmingly dominant in the field of computer vision and image/video processing for the last decade. However, for image and video compression, it lags behind the traditional techniques based on discrete cosine transform…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Honglei Zhang , Francesco Cricri , Hamed Rezazadegan Tavakoli , Emre Aksu , Miska M. Hannuksela

Compressive imaging is an emerging application of compressed sensing, devoted to acquisition, encoding and reconstruction of images using random projections as measurements. In this paper we propose a novel method to provide a scalable…

信息论 · 计算机科学 2013-10-07 Diego Valsesia , Enrico Magli

We propose to employ a saliency-driven hierarchical neural image compression network for a machine-to-machine communication scenario following the compress-then-analyze paradigm. By that, different areas of the image are coded at different…

图像与视频处理 · 电气工程与系统科学 2023-02-28 Kristian Fischer , Fabian Brand , Christian Blum , André Kaup

Learned video compression has recently emerged as an essential research topic in developing advanced video compression technologies, where motion compensation is considered one of the most challenging issues. In this paper, we propose a…

图像与视频处理 · 电气工程与系统科学 2023-06-30 Huairui Wang , Zhenzhong Chen , Chang Wen Chen

This paper proposes a method that enhances the compression performance of the current model under development for the upcoming MPEG standard on Feature Coding for Machines (FCM). This standard aims at providing inter-operable compressed…

图像与视频处理 · 电气工程与系统科学 2025-12-15 Juan Merlos , Fabien Racapé , Hyomin Choi , Mateen Ulhaq , Hari Kalva

Conventional video compression (VC) methods are based on motion compensated transform coding, and the steps of motion estimation, mode and quantization parameter selection, and entropy coding are optimized individually due to the…

图像与视频处理 · 电气工程与系统科学 2021-12-20 M. Akın Yılmaz , A. Murat Tekalp

High Efficiency Video Coding (HEVC) has doubled the video compression ratio with equivalent subjective quality as compared to its predecessor H.264/AVC. The significant coding efficiency improvement is attributed to many new techniques.…

图像与视频处理 · 电气工程与系统科学 2019-12-04 Yongfei Zhang , Chao Zhang , Rui Fan , Siwei Ma , Zhibo Chen , C. -C. Jay Kuo

Feature coding has become increasingly important in scenarios where semantic representations rather than raw pixels are transmitted and stored. However, most existing methods are architecture-specific, targeting either CNNs or Transformers.…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Changsheng Gao , Shan Liu , Feng Wu , Weisi Lin

As an increasing amount of image and video content will be analyzed by machines, there is demand for a new codec paradigm that is capable of compressing visual input primarily for the purpose of computer vision inference, while secondarily…

图像与视频处理 · 电气工程与系统科学 2023-01-12 Ezgi Ozyilkan , Mateen Ulhaq , Hyomin Choi , Fabien Racape

High frame video (HFV) is an important investigational tool in sciences, engineering and military. In ultra-high speed imaging, the obtainable temporal, spatial and spectral resolutions are limited by the sustainable throughput of in-camera…

多媒体 · 计算机科学 2015-06-16 Reza Pournaghi , Xiaolin Wu

Lossless image compression is required in various applications to reduce storage or transmission costs of images, while requiring the reconstructed images to have zero information loss compared to the original. Existing lossless image…

信息论 · 计算机科学 2024-09-12 Samar Agnihotri , Renu Rameshan , Ritwik Ghosal

Existing diffusion codecs typically build on text-to-image diffusion foundation models like Stable Diffusion. However, text conditioning is suboptimal from a compression perspective, hindering the potential of downstream diffusion codecs,…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Zhaoyang Jia , Zihan Zheng , Naifu Xue , Jiahao Li , Bin Li , Zongyu Guo , Xiaoyi Zhang , Houqiang Li , Yan Lu

Although there have been significant advancements in image compression techniques, such as standard and learned codecs, these methods still suffer from severe quality degradation at extremely low bits per pixel. While recent diffusion-based…

图像与视频处理 · 电气工程与系统科学 2025-09-23 Chanung Park , Joo Chan Lee , Jong Hwan Ko

Under the limited storage, computing and network bandwidth resources, the video compression coding technology plays an important role for visual communication. To efficiently compress raw video data, a colorization-based video compression…

图像与视频处理 · 电气工程与系统科学 2019-12-24 Zhaoqing Pan , Feng Yuan , Jianjun Lei , Sam Kwong

Recently, deep learning-based image compression has made signifcant progresses, and has achieved better ratedistortion (R-D) performance than the latest traditional method, H.266/VVC, in both subjective metric and the more challenging…

图像与视频处理 · 电气工程与系统科学 2022-06-23 Haisheng Fu , Feng Liang , Jie Liang , Binglin Li , Guohe Zhang , Jingning Han

Although deep convolutional neural network has been proved to efficiently eliminate coding artifacts caused by the coarse quantization of traditional codec, it's difficult to train any neural network in front of the encoder for gradient's…

计算机视觉与模式识别 · 计算机科学 2018-01-17 Lijun Zhao , Huihui Bai , Anhong Wang , Yao Zhao

Crowd flow segmentation is an important step in many video surveillance tasks. In this work, we propose an algorithm for segmenting flows in H.264 compressed videos in a completely unsupervised manner. Our algorithm works on motion vectors…

计算机视觉与模式识别 · 计算机科学 2015-06-22 Srinivas S. S. Kruthiventi , R. Venkatesh Babu

Recent learning-based lossless image compression methods encode an image in the unit of subimages and achieve comparable performances to conventional non-learning algorithms. However, these methods do not consider the performance drop in…

图像与视频处理 · 电气工程与系统科学 2021-12-14 Hochang Rhee , Yeong Il Jang , Seyun Kim , Nam Ik Cho