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CodeNeRF is an implicit 3D neural representation that learns the variation of object shapes and textures across a category and can be trained, from a set of posed images, to synthesize novel views of unseen objects. Unlike the original…

图形学 · 计算机科学 2021-09-07 Wonbong Jang , Lourdes Agapito

3D understanding and rendering of moving humans from monocular videos is a challenging task. Despite recent progress, the task remains difficult in real-world scenarios, where obstacles may block the camera view and cause partial occlusions…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Tiange Xiang , Adam Sun , Jiajun Wu , Ehsan Adeli , Li Fei-Fei

While existing Neural Radiance Fields (NeRFs) for dynamic scenes are offline methods with an emphasis on visual fidelity, our paper addresses the online use case that prioritises real-time adaptability. We present ParticleNeRF, a new…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Jad Abou-Chakra , Feras Dayoub , Niko Sünderhauf

We introduce a method to render Neural Radiance Fields (NeRFs) in real time using PlenOctrees, an octree-based 3D representation which supports view-dependent effects. Our method can render 800x800 images at more than 150 FPS, which is over…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Alex Yu , Ruilong Li , Matthew Tancik , Hao Li , Ren Ng , Angjoo Kanazawa

Text-to-3D form plays a crucial role in creating editable 3D scenes for AR/VR. Recent advances have shown promise in merging neural radiance fields (NeRFs) with pre-trained diffusion models for text-to-3D object generation. However, one…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Haotian Bai , Yuanhuiyi Lyu , Lutao Jiang , Sijia Li , Haonan Lu , Xiaodong Lin , Lin Wang

Neural radiance fields (NeRF) excel at synthesizing new views given multi-view, calibrated images of a static scene. When scenes include distractors, which are not persistent during image capture (moving objects, lighting variations,…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Sara Sabour , Suhani Vora , Daniel Duckworth , Ivan Krasin , David J. Fleet , Andrea Tagliasacchi

Dynamic neural radiance fields (dynamic NeRFs) have demonstrated impressive results in novel view synthesis on 3D dynamic scenes. However, they often require complete video sequences for training followed by novel view synthesis, which is…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Zhiwen Yan , Chen Li , Gim Hee Lee

6-DoF object pose estimation from a monocular image is challenging, and a post-refinement procedure is generally needed for high-precision estimation. In this paper, we propose a framework based on a recurrent neural network (RNN) for…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Yan Xu , Kwan-Yee Lin , Guofeng Zhang , Xiaogang Wang , Hongsheng Li

The goal of our work is to generate high-quality novel views from monocular videos of complex and dynamic scenes. Prior methods, such as DynamicNeRF, have shown impressive performance by leveraging time-varying dynamic radiation fields.…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Xingyu Miao , Yang Bai , Haoran Duan , Yawen Huang , Fan Wan , Yang Long , Yefeng Zheng

In this work, we introduce FourieRF, a novel approach for achieving fast and high-quality reconstruction in the few-shot setting. Our method effectively parameterizes features through an explicit curriculum training procedure, incrementally…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Diego Gomez , Bingchen Gong , Maks Ovsjanikov

We present a novel framework to regularize Neural Radiance Field (NeRF) in a few-shot setting with a geometry-aware consistency regularization. The proposed approach leverages a rendered depth map at unobserved viewpoint to warp sparse…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Min-seop Kwak , Jiuhn Song , Seungryong Kim

Neural Radiance Fields (NeRFs) implicitly model continuous three-dimensional scenes using a set of images with known camera poses, enabling the rendering of photorealistic novel views. However, existing NeRF-based methods encounter…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Zhengyu Zou , Jingfeng Li , Hao Li , Xiaolei Hou , Jinwen Hu , Jingkun Chen , Lechao Cheng , Dingwen Zhang

Neural Radiance Fields (NeRF) often struggle with reconstructing and rendering highly reflective scenes. Recent advancements have developed various reflection-aware appearance models to enhance NeRF's capability to render specular…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Ji Shi , Xianghua Ying , Ruohao Guo , Bowei Xing , Wenzhen Yue

Monocular 3D reconstruction for categorical objects heavily relies on accurately perceiving each object's pose. While gradient-based optimization in a NeRF framework updates the initial pose, this paper highlights that scale-depth ambiguity…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Yuliang Guo , Abhinav Kumar , Cheng Zhao , Ruoyu Wang , Xinyu Huang , Liu Ren

Applying NeRF to downstream perception tasks for scene understanding and representation is becoming increasingly popular. Most existing methods treat semantic prediction as an additional rendering task, \textit{i.e.}, the "label rendering"…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Hao Li , Dingwen Zhang , Yalun Dai , Nian Liu , Lechao Cheng , Jingfeng Li , Jingdong Wang , Junwei Han

Neural Radiance Fields (NeRFs) have unmatched fidelity on large, real-world scenes. A common approach for scaling NeRFs is to partition the scene into regions, each of which is assigned its own parameters. When implemented naively, such an…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Clinton Wang , Peter Hedman , Polina Golland , Jonathan T. Barron , Daniel Duckworth

This paper introduces a novel continual learning framework for synthesising novel views of multiple scenes, learning multiple 3D scenes incrementally, and updating the network parameters only with the training data of the upcoming new…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Yuze Wang , Junyi Wang , Chen Wang , Wantong Duan , Yongtang Bao , Yue Qi

Event cameras offer many advantages over standard cameras due to their distinctive principle of operation: low power, low latency, high temporal resolution and high dynamic range. Nonetheless, the success of many downstream visual…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Weng Fei Low , Gim Hee Lee

Generalizable Neural Radiance Fields (GeNeRFs) enable high-quality scene reconstruction from sparse views and can generalize to unseen scenes. However, in real-world settings, transient distractors break cross-view structural consistency,…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Wenjie Mu , Zhan Li , Chuanzhou Su , Xuanyi Shen , Ziniu Liu , Fan Lu , Yujian Mo , Junqiao Zhao , Tiantian Feng , Chen Ye , Guang Chen

Novel view synthesis aims to render unseen views given a set of calibrated images. In practical applications, the coverage, appearance or geometry of the scene may change over time, with new images continuously being captured. Efficiently…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Zhipeng Cai , Matthias Mueller