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Neural Representations for Videos (NeRV) has emerged as a promising implicit neural representation (INR) approach for video analysis, which represents videos as neural networks with frame indexes as inputs. However, NeRV-based methods are…

计算机视觉与模式识别 · 计算机科学 2025-01-20 Jialong Guo , Ke liu , Jiangchao Yao , Zhihua Wang , Jiajun Bu , Haishuai Wang

Implicit Neural Networks (INRs) have emerged as powerful representations to encode all forms of data, including images, videos, audios, and scenes. With video, many INRs for video have been proposed for the compression task, and recent…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Shishira R Maiya , Anubhav Gupta , Matthew Gwilliam , Max Ehrlich , Abhinav Shrivastava

Implicit neural representations have emerged as a powerful tool in learning 3D geometry, offering unparalleled advantages over conventional representations like mesh-based methods. A common type of INR implicitly encodes a shape's boundary…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Shen Fan , Przemyslaw Musialski

Human Activity Recognition (HAR) has become increasingly popular with ubiquitous computing, driven by the popularity of wearable sensors in fields like healthcare and sports. While Convolutional Neural Networks (ConvNets) have significantly…

信号处理 · 电气工程与系统科学 2024-05-31 Shuai Shao , Yu Guan , Victor Sanchez

Neural networks have recently been used to analyze diverse physical systems and to identify the underlying dynamics. While existing methods achieve impressive results, they are limited by their strong demand for training data and their weak…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Florian Hofherr , Lukas Koestler , Florian Bernard , Daniel Cremers

Recognizing human activities in videos is challenging due to the spatio-temporal complexity and context-dependence of human interactions. Prior studies often rely on single input modalities, such as RGB or skeletal data, limiting their…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Tuyen Tran , Thao Minh Le , Hung Tran , Truyen Tran

We present a novel approach for super-resolution that utilizes implicit neural representation (INR) to effectively reconstruct and enhance low-resolution videos and images. By leveraging the capacity of neural networks to implicitly encode…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Mary Aiyetigbo , Wanqi Yuan , Feng Luo , Nianyi Li

Implicit Neural Representations (INRs) have emerged as a paradigm in knowledge representation, offering exceptional flexibility and performance across a diverse range of applications. INRs leverage multilayer perceptrons (MLPs) to model…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Amer Essakine , Yanqi Cheng , Chun-Wun Cheng , Lipei Zhang , Zhongying Deng , Lei Zhu , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero

This paper addresses the challenges of estimating a continuous-time human motion field from a stream of events. Existing Human Mesh Recovery (HMR) methods rely predominantly on frame-based approaches, which are prone to aliasing and…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Ziyun Wang , Ruijun Zhang , Zi-Yan Liu , Yufu Wang , Kostas Daniilidis

The many variations of Implicit Neural Representations (INRs), where a neural network is trained as a continuous representation of a signal, have tremendous practical utility for downstream tasks including novel view synthesis, video…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Namitha Padmanabhan , Matthew Gwilliam , Pulkit Kumar , Shishira R Maiya , Max Ehrlich , Abhinav Shrivastava

We present an implicit neural representation to learn the spatio-temporal space of kinematic motions. Unlike previous work that represents motion as discrete sequential samples, we propose to express the vast motion space as a continuous…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Chengan He , Jun Saito , James Zachary , Holly Rushmeier , Yi Zhou

Implicit neural representations (INRs) mark a fundamental shift in signal modeling, moving from discrete sampled data to continuous functional representations. By parameterizing signals as neural networks, INRs provide a unified framework…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Dhananjaya Jayasundara , Vishal M. Patel

Implicit Neural Representations (INRs) have garnered significant attention for their ability to model complex signals in various domains. Recently, INR-based frameworks have shown promise in neural video compression by embedding video…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Taiga Hayami , Kakeru Koizumi , Hiroshi Watanabe

Inspired by ideas in cognitive science, we propose a novel and general approach to solve human motion understanding via pattern completion on a learned latent representation space. Our model outperforms current state-of-the-art methods in…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Yi Tian Xu , Yaqiao Li , David Meger

We propose to learn a probabilistic motion model from a sequence of images. Besides spatio-temporal registration, our method offers to predict motion from a limited number of frames, useful for temporal super-resolution. The model is based…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Julian Krebs , Tommaso Mansi , Nicholas Ayache , Hervé Delingette

We introduce Programmatic Motion Concepts, a hierarchical motion representation for human actions that captures both low-level motion and high-level description as motion concepts. This representation enables human motion description,…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Sumith Kulal , Jiayuan Mao , Alex Aiken , Jiajun Wu

Existing implicit neural representation (INR) methods do not fully exploit spatiotemporal redundancies in videos. Index-based INRs ignore the content-specific spatial features and hybrid INRs ignore the contextual dependency on adjacent…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Qi Zhao , M. Salman Asif , Zhan Ma

Recently Implicit Neural Representations (INRs) gained attention as a novel and effective representation for various data types. Thus far, prior work mostly focused on optimizing their reconstruction performance. This work investigates INRs…

图像与视频处理 · 电气工程与系统科学 2022-08-05 Yannick Strümpler , Janis Postels , Ren Yang , Luc van Gool , Federico Tombari

Previous attempts to integrate Neural Radiance Fields (NeRF) into the Simultaneous Localization and Mapping (SLAM) framework either rely on the assumption of static scenes or require the ground truth camera poses, which impedes their…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Chengyao Duan , Zhiliu Yang

The field of image-to-video generation has made remarkable progress. However, challenges such as human limb twisting and facial distortion persist, especially when generating long videos or modeling intensive motions. Existing human image…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Chang Liu , Mengting Chen , Yixuan Huang , Haoning Wu , Chen Ju , Shuai Xiao , Jinsong Lan , Yanfeng Wang