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Optimizing framerate for a given bitrate-spatial resolution pair in adaptive video streaming is essential to maintain perceptual quality while considering decoding complexity. Low framerates at low bitrates reduce compression artifacts and…

多媒体 · 计算机科学 2024-10-02 Prajit T Rajendran , Samira Afzal , Vignesh V Menon , Christian Timmerer

The strong temporal consistency of surveillance video enables compelling compression performance with traditional methods, but downstream vision applications operate on decoded image frames with a high data rate. Since it is not…

多媒体 · 计算机科学 2024-02-09 Andrew C. Freeman , Ketan Mayer-Patel , Montek Singh

Fluorescence microscopy has been a significant tool to observe long-term imaging of embryos (in vivo) growth over time. However, cumulative exposure is phototoxic to such sensitive live samples. While techniques like light-sheet…

图像与视频处理 · 电气工程与系统科学 2022-01-05 Varun Mannam , Jacob Brandt , Cody J. Smith , Scott Howard

Today, according to the Cisco Annual Internet Report (2018-2023), the fastest-growing category of Internet traffic is machine-to-machine communication. In particular, machine-to-machine communication of images and videos represents a new…

图像与视频处理 · 电气工程与系统科学 2021-10-14 Nam Le , Honglei Zhang , Francesco Cricri , Ramin Ghaznavi-Youvalari , Hamed Rezazadegan Tavakoli , Esa Rahtu

Modern video generation frameworks based on Latent Diffusion Models suffer from inefficiencies in tokenization due to the Frame-Proportional Information Assumption. Existing tokenizers provide fixed temporal compression rates, causing the…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Tianxiong Zhong , Xingye Tian , Boyuan Jiang , Xuebo Wang , Xin Tao , Pengfei Wan , Zhiwei Zhang

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…

图像与视频处理 · 电气工程与系统科学 2020-08-24 Jerry Liu , Shenlong Wang , Wei-Chiu Ma , Meet Shah , Rui Hu , Pranaab Dhawan , Raquel Urtasun

In perceptual image coding applications, the main objective is to decrease, as much as possible, Bits Per Pixel (BPP) while avoiding noticeable distortions in the reconstructed image. In this paper, we propose a novel perceptual image…

图像与视频处理 · 电气工程与系统科学 2021-02-10 Lee Prangnell , Victor Sanchez

Video compression is widely used in digital television, surveillance systems, and virtual reality. Real-time video decoding is crucial in practical scenarios. Recently, neural video compression (NVC) combines traditional coding with deep…

图像与视频处理 · 电气工程与系统科学 2023-12-20 Siyu Zhang , Wendong Mao , Huihong Shi , Zhongfeng Wang

Although block compressive sensing (BCS) makes it tractable to sense large-sized images and video, its recovery performance has yet to be significantly improved because its recovered images or video usually suffer from blurred edges, loss…

计算机视觉与模式识别 · 计算机科学 2017-03-16 Trinh Van Chien , Khanh Quoc Dinh , Byeungwoo Jeon , Martin Burger

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…

图像与视频处理 · 电气工程与系统科学 2021-01-21 Di Ma , Fan Zhang , David R. Bull

Video compression has always been a popular research area, where many traditional and deep video compression methods have been proposed. These methods typically rely on signal prediction theory to enhance compression performance by…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Lv Tang , Xinfeng Zhang , Gai Zhang , Xiaoqi Ma

In the medical field, managing high-dimensional massive medical imaging data and performing reliable medical analysis from it is a critical challenge, especially in resource-limited environments such as remote medical facilities and mobile…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Yuxin Hong , Xiao Zhang , Xin Zhang , Joey Tianyi Zhou

Virtual Reality (VR) has the potential of becoming the next ubiquitous computing platform. Continued progress in the burgeoning field of VR depends critically on an efficient computing substrate. In particular, DRAM access energy is known…

图形学 · 计算机科学 2023-10-03 Nisarg Ujjainkar , Ethan Shahan , Kenneth Chen , Budmonde Duinkharjav , Qi Sun , Yuhao Zhu

In this paper, we propose a novel cross-layer ap-proach for video delivery over Wireless Video Sensor Networks (WVSN)s. We adopt an energy efficient and adaptive video compression scheme dedicated to the WVSNs, based on the H.264/AVC video…

网络与互联网体系结构 · 计算机科学 2015-01-30 Othmane Alaoui-Fdili , Patrick CORLAY , Youssef Fakhri , François-Xavier Coudoux , Driss Aboutajdine

In recent years, there has been a growing trend in accelerating computationally complex non-real-time beamforming algorithms in ultrasound imaging using deep learning models. However, due to the large size and complexity these…

硬件体系结构 · 计算机科学 2025-09-04 Abdul Rahoof , Vivek Chaturvedi , Mahesh Raveendranatha Panicker , Muhammad Shafique

In the advent of a digital health revolution, vast amounts of clinical data are being generated, stored and processed on a daily basis. This has made the storage and retrieval of large volumes of health-care data, especially,…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Asif Shahriyar Sushmit , Shakib Uz Zaman , Ahmed Imtiaz Humayun , Taufiq Hasan , Mohammed Imamul Hassan Bhuiyan

Learned progressive image compression is gaining momentum as it allows improved image reconstruction as more bits are decoded at the receiver. We propose a progressive image compression method in which an image is first represented as a…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Alberto Presta , Enzo Tartaglione , Attilio Fiandrotti , Marco Grangetto , Pamela Cosman

Optimized for pixel fidelity metrics, images compressed by existing image codec are facing systematic challenges when used for visual analysis tasks, especially under low-bitrate coding. This paper proposes a visual analysis-motivated…

图像与视频处理 · 电气工程与系统科学 2021-04-22 Zhimeng Huang , Chuanmin Jia , Shanshe Wang , Siwei Ma

The latest video coding standard H.266/VVC has shown its great improvement in terms of compression performance when compared to its predecessor HEVC standard. Though VVC was implemented with many advanced techniques, it still met the same…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Xiem HoangVan , Hieu Bui Minh , Sang NguyenQuang , Wen-Hsiao Peng

Variational Autoencoders (VAEs) have seen widespread use in learned image compression. They are used to learn expressive latent representations on which downstream compression methods can operate with high efficiency. Recently proposed…

信息论 · 计算机科学 2021-04-20 Gergely Flamich , Marton Havasi , José Miguel Hernández-Lobato