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Implicit neural representations (INRs) have recently emerged as a powerful tool that provides an accurate and resolution-independent encoding of data. Their robustness as general approximators has been shown in a wide variety of data…

Machine Learning · Computer Science 2022-08-12 Elizabeth Fons , Alejandro Sztrajman , Yousef El-laham , Alexandros Iosifidis , Svitlana Vyetrenko

Recent progress in video diffusion models has markedly advanced character animation, which synthesizes motioned videos by animating a static identity image according to a driving video. Explicit methods represent motion using skeleton,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Zhufeng Xu , Xuan Gao , Feng-Lin Liu , Haoxian Zhang , Zhixue Fang , Yu-Kun Lai , Xiaoqiang Liu , Pengfei Wan , Lin Gao

Human action recognition (HAR) in videos is one of the core tasks of video understanding. Based on video sequences, the goal is to recognize actions performed by humans. While HAR has received much attention in the visible spectrum, action…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Soufiane Lamghari , Guillaume-Alexandre Bilodeau , Nicolas Saunier

Recent advances in implicit neural representation (INR)-based video coding have demonstrated its potential to compete with both conventional and other learning-based approaches. With INR methods, a neural network is trained to overfit a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Ho Man Kwan , Ge Gao , Fan Zhang , Andrew Gower , David Bull

Implicit Neural Representations (INRs) are proving to be a powerful paradigm in unifying task modeling across diverse data domains, offering key advantages such as memory efficiency and resolution independence. Conventional deep learning…

Machine Learning · Computer Science 2025-03-20 Amirhossein Kazerouni , Soroush Mehraban , Michael Brudno , Babak Taati

How to represent an image? While the visual world is presented in a continuous manner, machines store and see the images in a discrete way with 2D arrays of pixels. In this paper, we seek to learn a continuous representation for images.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Yinbo Chen , Sifei Liu , Xiaolong Wang

Implicit Neural Representations (INR) use multilayer perceptrons to represent high-frequency functions in low-dimensional problem domains. Recently these representations achieved state-of-the-art results on tasks related to complex 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Nuri Benbarka , Timon Höfer , Hamd ul-moqeet Riaz , Andreas Zell

Humans and animals recognize objects irrespective of the beholder's point of view, which may drastically change their appearances. Artificial pattern recognizers also strive to achieve this, e.g., through translational invariance in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Lukas Tuggener , Thilo Stadelmann , Jürgen Schmidhuber

High-quality imaging in photoacoustic computed tomography (PACT) usually requires a high-channel count system for dense spatial sampling around the object to avoid aliasing-related artefacts. To reduce system complexity, various image…

Image and Video Processing · Electrical Eng. & Systems 2024-09-24 Bowei Yao , Shilong Cui , Haizhao Dai , Qing Wu , Youshen Xiao , Fei Gao , Jingyi Yu , Yuyao Zhang , Xiran Cai

While deep learning reshaped the classical motion capture pipeline with feed-forward networks, generative models are required to recover fine alignment via iterative refinement. Unfortunately, the existing models are usually hand-crafted or…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Shih-Yang Su , Frank Yu , Michael Zollhoefer , Helge Rhodin

Humans do not perceive all parts of a scene with the same resolution, but rather focus on few regions of interest (ROIs). Traditional Object-Based codecs take advantage of this biological intuition, and are capable of non-uniform allocation…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Yura Perugachi-Diaz , Guillaume Sautière , Davide Abati , Yang Yang , Amirhossein Habibian , Taco S Cohen

Infrared and visible light image fusion aims to combine the strengths of both modalities to generate images that are rich in information and fulfill visual or computational requirements. This paper proposes an image fusion method based on…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Shuchen Sun , Ligen Shi , Chang Liu , Lina Wu , Jun Qiu

In motion-robust magnetic resonance imaging (MRI), slice-to-volume reconstruction is critical for recovering anatomically consistent 3D brain volumes from 2D slices, especially under accelerated acquisitions or patient motion. However, this…

Image and Video Processing · Electrical Eng. & Systems 2026-03-25 Zhenxuan Zhang , Lipei Zhang , Yanqi Cheng , Zi Wang , Fanwen Wang , Haosen Zhang , Yue Yang , Yinzhe Wu , Jiahao Huang , Angelica I Aviles-Rivero , Zhifan Gao , Guang Yang , Peter J. Lally

Action recognition in videos has attracted a lot of attention in the past decade. In order to learn robust models, previous methods usually assume videos are trimmed as short sequences and require ground-truth annotations of each video…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Xiao-Yu Zhang , Haichao Shi , Changsheng Li , Kai Zheng , Xiaobin Zhu , Lixin Duan

The approximation and convergence properties of implicit neural representations (INRs) are known to be highly sensitive to parameter initialization strategies. While several data-driven initialization methods demonstrate significant…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Kushal Vyas , Alper Kayabasi , Daniel Kim , Vishwanath Saragadam , Ashok Veeraraghavan , Guha Balakrishnan

Emerging Implicit Neural Representation (INR) is a promising data compression technique, which represents the data using the parameters of a Deep Neural Network (DNN). Existing methods manually partition a complex scene into local regions…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Jianchen Zhao , Cheng-Ching Tseng , Ming Lu , Ruichuan An , Xiaobao Wei , He Sun , Shanghang Zhang

We introduce the concept of "dynamic image", a novel compact representation of videos useful for video analysis, particularly in combination with convolutional neural networks (CNNs). A dynamic image encodes temporal data such as RGB or…

Computer Vision and Pattern Recognition · Computer Science 2017-08-22 Hakan Bilen , Basura Fernando , Efstratios Gavves , Andrea Vedaldi

Implicit Neural Representations (INRs) have recently exhibited immense potential in the field of scientific visualization for both data generation and visualization tasks. However, these representations often consist of large multi-layer…

Graphics · Computer Science 2023-04-11 Qi Wu , David Bauer , Yuyang Chen , Kwan-Liu Ma

This paper presents a novel scheme to efficiently compress Light Detection and Ranging~(LiDAR) point clouds, enabling high-precision 3D scene archives, and such archives pave the way for a detailed understanding of the corresponding 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Akihiro Kuwabara , Sorachi Kato , Toshiaki Koike-Akino , Takuya Fujihashi

This paper presents NOIR, a framework that reframes core medical imaging tasks as operator learning between continuous function spaces, challenging the prevailing paradigm of discrete grid-based deep learning. Instead of operating on fixed…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Sidaty El Hadramy , Nazim Haouchine , Michael Wehrli , Philippe C. Cattin