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In the realm of digital situational awareness during disaster situations, accurate digital representations, like 3D models, play an indispensable role. To ensure the safety of rescue teams, robotic platforms are often deployed to generate…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Hartmut Surmann , Niklas Digakis , Jan-Nicklas Kremer , Julien Meine , Max Schulte , Niklas Voigt

Talking head generation based on the neural radiation fields model has shown promising visual effects. However, the slow rendering speed of NeRF seriously limits its application, due to the burdensome calculation process over hundreds of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Niu Guanchen

Photorealistic rendering of dynamic humans is an important ability for telepresence systems, virtual shopping, synthetic data generation, and more. Recently, neural rendering methods, which combine techniques from computer graphics and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-21 Ziyan Wang , Timur Bagautdinov , Stephen Lombardi , Tomas Simon , Jason Saragih , Jessica Hodgins , Michael Zollhöfer

Neural Radiance Fields (NeRFs) increase reconstruction detail for novel view synthesis and scene reconstruction, with applications ranging from large static scenes to dynamic human motion. However, the increased resolution and model-free…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Abiramy Kuganesan , Shih-yang Su , James J. Little , Helge Rhodin

We propose a novel unsupervised method to learn the pose and part-segmentation of articulated objects with rigid parts. Given two observations of an object in different articulation states, our method learns the geometry and appearance of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Jianning Deng , Kartic Subr , Hakan Bilen

Despite the rapid progress of vision-language-action (VLA) models, the prevailing practice of predicting action chunks as discrete waypoints remains structurally misaligned with the intrinsic continuity of physical motion. This…

Neural Radiance Fields (NeRF) have emerged as a powerful representation for the task of novel view synthesis due to their simplicity and state-of-the-art performance. Though NeRF can produce photorealistic renderings of unseen viewpoints…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Michael Niemeyer , Jonathan T. Barron , Ben Mildenhall , Mehdi S. M. Sajjadi , Andreas Geiger , Noha Radwan

Adopting Neural Radiance Fields (NeRF) to long-duration dynamic sequences has been challenging. Existing methods struggle to balance between quality and storage size and encounter difficulties with complex scene changes such as topological…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Minye Wu , Tinne Tuytelaars

Recent advances in Multimodal Large Language Models (MLLMs) have shown remarkable capabilities in understanding both images and 3D data, yet these modalities face inherent limitations in comprehensively representing object geometry and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Andrea Amaduzzi , Pierluigi Zama Ramirez , Giuseppe Lisanti , Samuele Salti , Luigi Di Stefano

Neural radiance field is an emerging rendering method that generates high-quality multi-view consistent images from a neural scene representation and volume rendering. Although neural radiance field-based techniques are robust for scene…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Ka Chun Shum , Jaeyeon Kim , Binh-Son Hua , Duc Thanh Nguyen , Sai-Kit Yeung

Object pose estimation is a prominent task in computer vision. The object pose gives the orientation and translation of the object in real-world space, which allows various applications such as manipulation, augmented reality, etc. Various…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Varun Burde , Artem Moroz , Vit Zeman , Pavel Burget

Hyperspectral Imagery (HSI) has been used in many applications to non-destructively determine the material and/or chemical compositions of samples. There is growing interest in creating 3D hyperspectral reconstructions, which could provide…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Gerry Chen , Sunil Kumar Narayanan , Thomas Gautier Ottou , Benjamin Missaoui , Harsh Muriki , Cédric Pradalier , Yongsheng Chen

Neural Radiance Fields (NeRF) has gained significant attention for its prominent implicit 3D representation and realistic novel view synthesis capabilities. Available works unexceptionally employ straight-line volume rendering, which…

Graphics · Computer Science 2025-08-20 Nan Luo , Chenglin Ye , Jiaxu Li , Gang Liu , Bo Wan , Di Wang , Lupeng Liu , Jun Xiao

Detailed and realistic 3D environment representations have been a long-standing goal in the fields of computer vision and robotics. The recent emergence of neural implicit representations has introduced significant advances to these…

Recent efforts in Neural Rendering Fields (NeRF) have shown impressive results on novel view synthesis by utilizing implicit neural representation to represent 3D scenes. Due to the process of volumetric rendering, the inference speed for…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Junli Cao , Huan Wang , Pavlo Chemerys , Vladislav Shakhrai , Ju Hu , Yun Fu , Denys Makoviichuk , Sergey Tulyakov , Jian Ren

Neural Radiance Fields (NeRF) achieves impressive novel view rendering performance by learning implicit 3D representation from sparse view images. However, it is difficult to reconstruct a sharp NeRF from blurry input that often occurs in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Yunshan Qi , Jia Li , Yifan Zhao , Yu Zhang , Lin Zhu

NeRF is a popular model that efficiently represents 3D objects from 2D images. However, vanilla NeRF has some important limitations. NeRF must be trained on each object separately. The training time is long since we encode the object's…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Dominik Zimny , Artur Kasymov , Adam Kania , Jacek Tabor , Maciej Zięba , Marcin Mazur , Przemysław Spurek

Neural Radiance Field (NeRF) is a representation for 3D reconstruction from multi-view images. Despite some recent work showing preliminary success in editing a reconstructed NeRF with diffusion prior, they remain struggling to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Chieh Hubert Lin , Changil Kim , Jia-Bin Huang , Qinbo Li , Chih-Yao Ma , Johannes Kopf , Ming-Hsuan Yang , Hung-Yu Tseng

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Chengan He , Jun Saito , James Zachary , Holly Rushmeier , Yi Zhou

In this work, we propose the use of Neural Radiance Fields (NeRF) as a scene representation for visual localization. Recently, NeRF has been employed to enhance pose regression and scene coordinate regression models by augmenting the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Qunjie Zhou , Maxim Maximov , Or Litany , Laura Leal-Taixé