中文
相关论文

相关论文: Graph-Based Compensated Wavelet Lifting for Scalab…

200 篇论文

Efficient point cloud compression is essential for applications like virtual and mixed reality, autonomous driving, and cultural heritage. This paper proposes a deep learning-based inter-frame encoding scheme for dynamic point cloud…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Anique Akhtar , Zhu Li , Geert Van der Auwera

A significant portion of the data today, e.g, social networks, web connections, etc., can be modeled by graphs. A proper analysis of graphs with Machine Learning (ML) algorithms has the potential to yield far-reaching insights into many…

社会与信息网络 · 计算机科学 2020-09-11 Taha Atahan Akyildiz , Amro Alabsi Aljundi , Kamer Kaya

Spatial-temporal graph modeling is an important task to analyze the spatial relations and temporal trends of components in a system. Existing approaches mostly capture the spatial dependency on a fixed graph structure, assuming that the…

机器学习 · 计算机科学 2019-06-04 Zonghan Wu , Shirui Pan , Guodong Long , Jing Jiang , Chengqi Zhang

Self-reset analog-to-digital converters (ADCs) are used to sample high dynamic range signals resulting in modulo-operation based folded signal samples. We consider the case where each vertex of a graph (e.g., sensors in a network) is…

信号处理 · 电气工程与系统科学 2020-01-22 Feng Ji , Pratibha , Wee Peng Tay

Modern compression systems use linear transformations in their encoding and decoding processes, with transforms providing compact signal representations. While multiple data-dependent transforms for image/video coding can adapt to diverse…

图像与视频处理 · 电气工程与系统科学 2024-11-26 Alessandro Gnutti , Fabrizio Guerrini , Riccardo Leonardi , Antonio Ortega

Cardiac motion estimation is an important diagnostic tool to detect heart diseases and it has been explored with modalities such as MRI and conventional ultrasound (US) sequences. US cardiac motion estimation still presents challenges…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Angelica I. Aviles , Thomas Widlak , Alicia Casals , Maartje M. Nillesen , Habib Ammari

Medical image compression is a widely studied field of data processing due to its prevalence in modern digital databases. This domain requires a high color depth of 12 bits per pixel component for accurate analysis by physicians, primarily…

图像与视频处理 · 电气工程与系统科学 2024-11-11 Taaha Khan

Given a fully dynamic graph, represented as a stream of edge insertions and deletions, how can we obtain and incrementally update a lossless summary of its current snapshot? As large-scale graphs are prevalent, concisely representing them…

数据库 · 计算机科学 2020-06-18 Jihoon Ko , Yunbum Kook , Kijung Shin

In this paper the focus is on subsampling as well as reconstructing the second-order statistics of signals residing on nodes of arbitrary undirected graphs. Second-order stationary graph signals may be obtained by graph filtering zero-mean…

信息论 · 计算机科学 2018-05-08 Sundeep Prabhakar Chepuri , Geert Leus

Human motion capture data has been widely used in data-driven character animation. In order to generate realistic, natural-looking motions, most data-driven approaches require considerable efforts of pre-processing, including motion…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Noshaba Cheema , Somayeh Hosseini , Janis Sprenger , Erik Herrmann , Han Du , Klaus Fischer , Philipp Slusallek

Video tokenizers are essential for latent video diffusion models, converting raw video data into spatiotemporally compressed latent spaces for efficient training. However, extending state-of-the-art video tokenizers to achieve a temporal…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Aniruddha Mahapatra , Long Mai , David Bourgin , Yitian Zhang , Feng Liu

Can we use machine learning to compress graph data? The absence of ordering in graphs poses a significant challenge to conventional compression algorithms, limiting their attainable gains as well as their ability to discover relevant…

机器学习 · 计算机科学 2023-09-26 Giorgos Bouritsas , Andreas Loukas , Nikolaos Karalias , Michael M. Bronstein

Accurate motion estimation in cardiac computed tomography (CT) imaging is critical for assessing cardiac function and surgical planning. Data-driven methods have become the standard approach for dense motion estimation, but they rely on…

图像与视频处理 · 电气工程与系统科学 2025-07-23 Shahar Zuler , Gal Lifshitz , Hadar Averbuch-Elor , Dan Raviv

Visual analytics have played an increasingly critical role in the Internet of Things, where massive visual signals have to be compressed and fed into machines. But facing such big data and constrained bandwidth capacity, existing…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Yueyu Hu , Wenhan Yang , Haofeng Huang , Jiaying Liu

In this paper, we study a new problem arising from the emerging MPEG standardization effort Video Coding for Machine (VCM), which aims to bridge the gap between visual feature compression and classical video coding. VCM is committed to…

图像与视频处理 · 电气工程与系统科学 2020-01-10 Sifeng Xia , Kunchangtai Liang , Wenhan Yang , Ling-Yu Duan , Jiaying Liu

Purpose: To introduce a novel deep learning based approach for fast and high-quality dynamic multi-coil MR reconstruction by learning a complementary time-frequency domain network that exploits spatio-temporal correlations simultaneously…

图像与视频处理 · 电气工程与系统科学 2021-06-21 Chen Qin , Jinming Duan , Kerstin Hammernik , Jo Schlemper , Thomas Küstner , René Botnar , Claudia Prieto , Anthony N. Price , Joseph V. Hajnal , Daniel Rueckert

Bearing data compression is vital to manage the large volumes of data generated during condition monitoring. In this paper, a novel asymmetrical autoencoder with a lifting wavelet transform (LWT) layer is developed to compress bearing…

信号处理 · 电气工程与系统科学 2025-01-22 Xin Zhu , Ahmet Enis Cetin

As 3D scanning devices and depth sensors advance, dynamic point clouds have attracted increasing attention as a format for 3D objects in motion, with applications in various fields such as immersive telepresence, navigation for autonomous…

多媒体 · 计算机科学 2020-08-11 Yiqun Xu , Wei Hu , Shanshe Wang , Xinfeng Zhang , Shiqi Wang , Siwei Ma , Zongming Guo , Wen Gao

In this paper, a deep neural network with interpretable motion compensation called CS-MCNet is proposed to realize high-quality and real-time decoding of video compressive sensing. Firstly, explicit multi-hypothesis motion compensation is…

图像与视频处理 · 电气工程与系统科学 2020-10-09 Bowen Huang , Jinjia Zhou , Xiao Yan , Ming'e Jing , Rentao Wan , Yibo Fan

Training Graph Neural Networks (GNNs) on large graphs presents unique challenges due to the large memory and computing requirements. Distributed GNN training, where the graph is partitioned across multiple machines, is a common approach to…

机器学习 · 计算机科学 2024-06-26 Juan Cervino , Md Asadullah Turja , Hesham Mostafa , Nageen Himayat , Alejandro Ribeiro