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Modern sensors produce increasingly rich streams of high-resolution data. Due to resource constraints, machine learning systems discard the vast majority of this information via resolution reduction. Compressed-domain learning allows models…

图像与视频处理 · 电气工程与系统科学 2024-12-13 Dan Jacobellis , Neeraja J. Yadwadkar

A big part of the video content we consume from video providers consists of genres featuring low-light aesthetics. Low light sequences have special characteristics, such as spatio-temporal varying acquisition noise and light flickering,…

图像与视频处理 · 电气工程与系统科学 2021-09-17 Nantheera Anantrasirichai , Fan Zhang , Alexandra Malyugina , Paul Hill , Angeliki Katsenou

The paper deals with Video Coding for Machines that is a new paradigm in video coding related to consumption of decoded video by humans and machines. For such tasks, joint transmission of compressed video and features is considered. In this…

图像与视频处理 · 电气工程与系统科学 2022-01-11 Sławomir Maćkowiak , Marek Domański , Sławomir Różek , Dominik Cywiński , Jakub Szkiełda

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…

图像与视频处理 · 电气工程与系统科学 2024-09-30 Angeliki Katsenou , Vignesh V Menon , Adam Wieckowski , Benjamin Bross , Detlev Marpe

Deep learning advancements have revolutionized scalable classification in many domains including computer vision. However, when it comes to wearable-based classification and domain adaptation, existing computer vision-based deep learning…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Yidong Zhu , Md Mahmudur Rahman , Mohammad Arif Ul Alam

We introduce a video compression algorithm based on instance-adaptive learning. On each video sequence to be transmitted, we finetune a pretrained compression model. The optimal parameters are transmitted to the receiver along with the…

图像与视频处理 · 电气工程与系统科学 2023-06-26 Ties van Rozendaal , Johann Brehmer , Yunfan Zhang , Reza Pourreza , Auke Wiggers , Taco S. Cohen

The integration of advanced video codecs into the streaming pipeline is growing in response to the increasing demand for high quality video content. However, the significant computational demand for advanced codecs like Versatile Video…

多媒体 · 计算机科学 2023-12-14 Yiqun Liu , Hadi Amirpour , Mohsen Abdoli , Christian Timmerer , Thomas Guionnet

In computer vision, convolutional networks (CNNs) often adopts pooling to enlarge receptive field which has the advantage of low computational complexity. However, pooling can cause information loss and thus is detrimental to further…

计算机视觉与模式识别 · 计算机科学 2019-07-09 Pengju Liu , Hongzhi Zhang , Wei Lian , Wangmeng Zuo

Streaming rendered content is an attractive way to bring high-quality graphics to billions of mobile devices that do not have sufficient rendering power. Existing solutions render content on a server at a fixed frame rate, typically 30 or…

图像与视频处理 · 电气工程与系统科学 2026-05-13 Yaru Liu , Joseph G. March , Rafal K. Mantiuk

In recent years, the proliferation of multimedia applications and formats, such as IPTV, Virtual Reality (VR, 360-degree), and point cloud videos, has presented new challenges to the video compression research community. Simultaneously,…

图像与视频处理 · 电气工程与系统科学 2023-10-23 Thomas Amestoy , Naty Sidaty , Wassim Hamidouche , Pierrick Philippe , Daniel Menard

Good quality video services always require higher bandwidth. Hence, to provide the video services e.g., multicast/broadcast services (MBS) and unicast services along with the existing voice, internet, and other background traffic services…

多媒体 · 计算机科学 2014-12-12 Mostafa Zaman Chowdhury , Tuan Nguyen , Young-Il Kim , Won Ryu , Yeong Min Jang

To improve the efficiency of surgical trajectory segmentation for robot learning in robot-assisted minimally invasive surgery, this paper presents a fast unsupervised method using video and kinematic data, followed by a promoting procedure…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Zhenzhou Shao , Hongfa Zhao , Jiexin Xie , Ying Qu , Yong Guan , Jindong Tan

Coding 4K data has become of vital interest in recent years, since the amount of 4K data is significantly increasing. We propose a coding chain with spatial down- and upscaling that combines the next-generation VVC codec with machine…

图像与视频处理 · 电气工程与系统科学 2023-08-15 Kristian Fischer , Christian Herglotz , André Kaup

Learned lossless image compression has achieved significant advancements in recent years. However, existing methods often rely on training amortized generative models on massive datasets, resulting in sub-optimal probability distribution…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Daxin Li , Yuanchao Bai , Kai Wang , Junjun Jiang , Xianming Liu , Wen Gao

Video Variational Autoencoder (VAE) encodes videos into a low-dimensional latent space, becoming a key component of most Latent Video Diffusion Models (LVDMs) to reduce model training costs. However, as the resolution and duration of…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Zongjian Li , Bin Lin , Yang Ye , Liuhan Chen , Xinhua Cheng , Shenghai Yuan , Li Yuan

Wavelet transformation stands as a cornerstone in modern data analysis and signal processing. Its mathematical essence is an invertible transformation that discerns slow patterns from fast ones in the frequency domain. Such an invertible…

机器学习 · 计算机科学 2022-01-28 Shuo-Hui Li

The exponential growth of video traffic has placed increasing demands on bandwidth and storage infrastructure, particularly for content delivery networks (CDNs) and edge devices. While traditional video codecs like H.264 and HEVC achieve…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Manikanta Kotthapalli , Banafsheh Rekabdar

Traditional image codecs emphasize signal fidelity and human perception, often at the expense of machine vision tasks. Deep learning methods have demonstrated promising coding performance by utilizing rich semantic embeddings optimized for…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Sha Guo , Zhuo Chen , Yang Zhao , Ning Zhang , Xiaotong Li , Lingyu Duan

Surveillance footage can catch a wide range of realistic anomalies. This research suggests using a weakly supervised strategy to avoid annotating anomalous segments in training videos, which is time consuming. In this approach only video…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Kapil Deshpande , Narinder Singh Punn , Sanjay Kumar Sonbhadra , Sonali Agarwal

Many convolutional neural networks (CNNs) rely on progressive downsampling of their feature maps to increase the network's receptive field and decrease computational cost. However, this comes at the price of losing granularity in the…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Robin Hesse , Simone Schaub-Meyer , Stefan Roth