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Related papers: Neural Pruning for 3D Scene Reconstruction: Effici…

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Neural network pruning with suitable retraining can yield networks with considerably fewer parameters than the original with comparable degrees of accuracy. Typical pruning methods require large, fully trained networks as a starting point…

Machine Learning · Computer Science 2020-10-13 Timothy Foldy-Porto , Yeshwanth Venkatesha , Priyadarshini Panda

We present MVSNeRF, a novel neural rendering approach that can efficiently reconstruct neural radiance fields for view synthesis. Unlike prior works on neural radiance fields that consider per-scene optimization on densely captured images,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Anpei Chen , Zexiang Xu , Fuqiang Zhao , Xiaoshuai Zhang , Fanbo Xiang , Jingyi Yu , Hao Su

Although 3D Convolutional Neural Networks (CNNs) are essential for most learning based applications involving dense 3D data, their applicability is limited due to excessive memory and computational requirements. Compressing such networks by…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Zhiwei Xu , Thalaiyasingam Ajanthan , Vibhav Vineet , Richard Hartley

Three-dimensional (3D) reconstruction of trees has always been a key task in precision forestry management and research. Due to the complex branch morphological structure of trees themselves and the occlusions from tree stems, branches and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Hongyu Huang , Guoji Tian , Chongcheng Chen

We present a method enabling the scaling of NeRFs to learn a large number of semantically-similar scenes. We combine two techniques to improve the required training time and memory cost per scene. First, we learn a 3D-aware latent space in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Antoine Schnepf , Karim Kassab , Jean-Yves Franceschi , Laurent Caraffa , Flavian Vasile , Jeremie Mary , Andrew Comport , Valérie Gouet-Brunet

Pruning on neural networks before training not only compresses the original models, but also accelerates the network training phase, which has substantial application value. The current work focuses on fine-grained pruning, which uses…

Machine Learning · Computer Science 2022-09-28 Xiatao Kang , Ping Li , Jiayi Yao , Chengxi Li

3D reconstruction technology generates three-dimensional representations of real-world objects, scenes, or environments using sensor data such as 2D images, with extensive applications in robotics, autonomous vehicles, and virtual reality…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Hong Zhang , Fei Guo , Zihan Xie , Dizhao Yao

Neural Radiance Fields (NeRF) enable 3D scene reconstruction from 2D images and camera poses for Novel View Synthesis (NVS). Although NeRF can produce photorealistic results, it often suffers from overfitting to training views, leading to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Fusang Wang , Arnaud Louys , Nathan Piasco , Moussab Bennehar , Luis Roldão , Dzmitry Tsishkou

Neural radiance field (NeRF) has achieved impressive results in high-quality 3D scene reconstruction. However, NeRF heavily relies on precise camera poses. While recent works like BARF have introduced camera pose optimization within NeRF,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Yunlong Ran , Yanxu Li , Qi Ye , Yuchi Huo , Zechun Bai , Jiahao Sun , Jiming Chen

Magnetic Resonance Fingerprinting (MRF) is a fast quantitative MR Imaging technique that provides multi-parametric maps with a single acquisition. Neural Networks (NNs) accelerate reconstruction but require significant resources for…

Neural Radiance Fields (NeRF) show impressive performance for the photorealistic free-view rendering of scenes. However, NeRFs require dense sampling of images in the given scene, and their performance degrades significantly when only a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Nagabhushan Somraj , Adithyan Karanayil , Rajiv Soundararajan

Convolutional Neural Networks (CNNs) suffer from different issues, such as computational complexity and the number of parameters. In recent years pruning techniques are employed to reduce the number of operations and model size in CNNs.…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Morteza Mousa Pasandi , Mohsen Hajabdollahi , Nader Karimi , Shadrokh Samavi

Many real-world 3D reconstruction applications demand photorealism and metric accuracy across unbounded, complex scenes with challenging lighting and imperfect captures that current Neural Radiance Field (NeRF) pipelines only partly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Vladislav Polianskii , Elijs Dima , Isabel Salmerón Marazuela , Gergő László Nagy , Sigurdur Sverrisson , Volodya Grancharov

Structured pruning is a popular method to reduce the cost of convolutional neural networks, that are the state of the art in many computer vision tasks. However, depending on the architecture, pruning introduces dimensional discrepancies…

Neural and Evolutionary Computing · Computer Science 2022-12-13 Hugo Tessier , Vincent Gripon , Mathieu Léonardon , Matthieu Arzel , David Bertrand , Thomas Hannagan

The emergence of Neural Radiance Fields (NeRF) for novel view synthesis has increased interest in 3D scene editing. An essential task in editing is removing objects from a scene while ensuring visual reasonability and multiview consistency.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Youtan Yin , Zhoujie Fu , Fan Yang , Guosheng Lin

The emergence of Neural Radiance Fields (NeRF) has promoted the development of synthesized high-fidelity views of the intricate real world. However, it is still a very demanding task to repaint the content in NeRF. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Xingchen Zhou , Ying He , F. Richard Yu , Jianqiang Li , You Li

Neural Radiance Fields (NeRF) have demonstrated impressive performance in novel view synthesis. However, NeRF and most of its variants still rely on traditional complex pipelines to provide extrinsic and intrinsic camera parameters, such as…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Jie Chen , Bo Li , Xiaowen Chu , Fei Deng

Recently, Neural Radiance Fields (NeRF) have emerged as a potent method for synthesizing novel views from a dense set of images. Despite its impressive performance, NeRF is plagued by its necessity for numerous calibrated views and its…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Jiayang Bai , Letian Huang , Wen Gong , Jie Guo , Yanwen Guo

3D reconstruction from images has wide applications in Virtual Reality and Automatic Driving, where the precision requirement is very high. Ground-breaking research in the neural radiance field (NeRF) by utilizing Multi-Layer Perceptions…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Jiaming Shen , Bolin Song , Zirui Wu , Yi Xu

We present neural radiance fields for rendering and temporal (4D) reconstruction of humans in motion (H-NeRF), as captured by a sparse set of cameras or even from a monocular video. Our approach combines ideas from neural scene…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Hongyi Xu , Thiemo Alldieck , Cristian Sminchisescu