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The immersed finite element-finite difference (IFED) method is a computational approach to modeling interactions between a fluid and an immersed structure. This method uses a finite element (FE) method to approximate the stresses and forces…

数值分析 · 数学 2023-02-01 David Wells , Ben Vadala-Roth , Jae H. Lee , Boyce E. Griffith

In an adaptive bitrate streaming application, the efficiency of video compression and the encoded video quality depend on both the video codec and the quality metric used to perform encoding optimization. The development of such a quality…

图像与视频处理 · 电气工程与系统科学 2024-04-11 Yixu Chen , Zaixi Shang , Hai Wei , Yongjun Wu , Sriram Sethuraman

Video Capsule Endoscopy (VCE) is a promising method for improving the medical examination of the small intestine in the gastrointestinal tract. A key challenge is their limited size, resulting in a short battery lifetime which conflicts…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Oliver Bause , Jörg Gamerdinger , Julia Werner , Oliver Bringmann

Centralized learning requires data to be aggregated at a central server, which poses significant challenges in terms of data privacy and bandwidth consumption. Federated learning presents a compelling alternative, however, vanilla federated…

机器人学 · 计算机科学 2025-03-13 Shreya Gummadi , Mateus V. Gasparino , Deepak Vasisht , Girish Chowdhary

Novel display technologies can deliver high-quality images across a wide field of view, creating immersive experiences. While rendering for such devices is expensive, most of the content falls into peripheral vision, where human perception…

图形学 · 计算机科学 2026-01-28 Sophie Kergaßner , Piotr Didyk

Deep convolutional neural networks have been widely used in scene classification of remotely sensed images. In this work, we propose a robust learning method for the task that is secure against partially incorrect categorization of images.…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Jinyang Wang , Tao Wang , Min Gan , George Hadjichristofi

A 3-D spatiotemporal prediction-error filter (PEF), is used to enhance foreground/background contrast in (real and simulated) sensor image sequences. Relative velocity is utilized to extract point-targets that would otherwise be…

计算机视觉与模式识别 · 计算机科学 2015-01-20 Hugh L. Kennedy

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…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Yanchen Zhao , Wenxuan He , Chuanmin Jia , Qizhe Wang , Junru Li , Yue Li , Chaoyi Lin , Kai Zhang , Li Zhang , Siwei Ma

We introduce a new metric to assess the quality of generated images that is more reliable, data-efficient, compute-efficient, and adaptable to new domains than the previous metrics, such as Fr\'echet Inception Distance (FID). The proposed…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Pranav Jeevan , Neeraj Nixon , Amit Sethi

Video technology is advancing toward Ultra High Definition (UHD) and High Dynamic Range (HDR), which intensifies the need for higher compression efficiency for these high-specification videos. Beyond advances in traditional codecs, neural…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Jiayi Wang , Lichun Zhang , Xiaoqi Zhuang , Jiaqi Zhang , Lu Yu , Yin Zhao

Video transmission applications (e.g., conferencing) are gaining momentum, especially in times of global health pandemic. Video signals are transmitted over lossy channels, resulting in low-quality received signals. To restore videos on…

计算机视觉与模式识别 · 计算机科学 2020-12-07 Sachin Mehta , Amit Kumar , Fitsum Reda , Varun Nasery , Vikram Mulukutla , Rakesh Ranjan , Vikas Chandra

Video enhancement plays an important role in various video applications. In this paper, we propose a new intra-and-inter-constraint-based video enhancement approach aiming to 1) achieve high intra-frame quality of the entire picture where…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Yuanzhe Chen , Weiyao Lin , Chongyang Zhang , Zhenzhong Chen , Ning Xu , Jun Xie

Emerging real-time computer vision (CV) applications on wireless edge devices demand energy-efficient and privacy-preserving learning. Federated learning (FL) enables on-device training without raw data sharing, yet remains challenging in…

机器学习 · 计算机科学 2025-08-05 Xiangwang Hou , Jingjing Wang , Fangming Guan , Jun Du , Chunxiao Jiang , Yong Ren

Visual Place Recognition (VPR) aims to estimate the location of an image by treating it as a retrieval problem. VPR uses a database of geo-tagged images and leverages deep neural networks to extract a global representation, called…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Mattia Dutto , Gabriele Berton , Debora Caldarola , Eros Fanì , Gabriele Trivigno , Carlo Masone

360-degree video streaming provides users with immersive experience by letting users determine their field-of-views (FoVs) in real time. To enhance the users' quality of experience (QoE) given their limited bandwidth, recent works have…

网络与互联网体系结构 · 计算机科学 2020-05-07 Ming Tang , Vincent W. S. Wong

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…

多媒体 · 计算机科学 2023-09-12 Peng-Yu Chen , Wen-Hsiao Peng

Video Super-Resolution (VSR) aims to restore high-resolution (HR) videos from low-resolution (LR) videos. Existing VSR techniques usually recover HR frames by extracting pertinent textures from nearby frames with known degradation…

图像与视频处理 · 电气工程与系统科学 2023-01-02 Zhongwei Qiu , Huan Yang , Jianlong Fu , Daochang Liu , Chang Xu , Dongmei Fu

The true vision for real-time virtual and augmented reality is reproducing our visual reality in its entirety on immersive displays. To this end, foveated rendering leverages the limitations of spatial acuity in human peripheral vision to…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Sophie Kergaßner , Taimoor Tariq , Piotr Didyk

Federated learning is a privacy-preserving machine learning technique that learns a shared model across decentralized clients. It can alleviate privacy concerns of personal re-identification, an important computer vision task. In this work,…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Weiming Zhuang , Yonggang Wen , Xuesen Zhang , Xin Gan , Daiying Yin , Dongzhan Zhou , Shuai Zhang , Shuai Yi

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