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Neural Radiance Fields (NeRF) have constituted a remarkable breakthrough in image-based 3D reconstruction. However, their implicit volumetric representations differ significantly from the widely-adopted polygonal meshes and lack support…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Jiaxiang Tang , Hang Zhou , Xiaokang Chen , Tianshu Hu , Errui Ding , Jingdong Wang , Gang Zeng

Neural Radiance Fields (NeRF) have been widely adopted for reconstructing high quality 3D point clouds from 2D RGB images. However, the segmentation of these reconstructed 3D scenes is more essential for downstream tasks such as object…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Jiangsan Zhao , Jakob Geipel , Krzysztof Kusnierek , Xuean Cui

Implicit Neural Representation (INR) has been emerging in computer vision in recent years. It has been shown to be effective in parameterising continuous signals such as dense 3D models from discrete image data, e.g. the neural radius field…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Wentian Xu , Jianbo Jiao

Neural Radiance Fields (NeRF) have shown remarkable performance in neural rendering-based novel view synthesis. However, NeRF suffers from severe visual quality degradation when the input images have been captured under imperfect…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Byeonghyeon Lee , Howoong Lee , Usman Ali , Eunbyung Park

Inferring a meaningful geometric scene representation from a single image is a fundamental problem in computer vision. Approaches based on traditional depth map prediction can only reason about areas that are visible in the image.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Felix Wimbauer , Nan Yang , Christian Rupprecht , Daniel Cremers

In this paper, we propose a One-Point-One NeRF (OPONeRF) framework for robust scene rendering. Existing NeRFs are designed based on a key assumption that the target scene remains unchanged between the training and test time. However, small…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Yu Zheng , Yueqi Duan , Kangfu Zheng , Hongru Yan , Jiwen Lu , Jie Zhou

Articulated objects and their representations pose a difficult problem for robots. These objects require not only representations of geometry and texture, but also of the various connections and joint parameters that make up each…

Robotics · Computer Science 2024-09-17 Stanley Lewis , Tom Gao , Odest Chadwicke Jenkins

Neural Radiance Field (NeRF) technology has made significant strides in creating novel viewpoints. However, its effectiveness is hampered when working with sparsely available views, often leading to performance dips due to overfitting.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Yuru Xiao , Xianming Liu , Deming Zhai , Kui Jiang , Junjun Jiang , Xiangyang Ji

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

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

This paper presents one of the first learning-based NeRF 3D instance segmentation pipelines, dubbed as Instance Neural Radiance Field, or Instance NeRF. Taking a NeRF pretrained from multi-view RGB images as input, Instance NeRF can learn…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yichen Liu , Benran Hu , Junkai Huang , Yu-Wing Tai , Chi-Keung Tang

Deep learning methods for perception are the cornerstone of many robotic systems. Despite their potential for impressive performance, obtaining real-world training data is expensive, and can be impractically difficult for some tasks.…

Robotics · Computer Science 2024-03-08 Nikhil Mishra , Maximilian Sieb , Pieter Abbeel , Xi Chen

Thin, reflective objects such as forks and whisks are common in our daily lives, but they are particularly challenging for robot perception because it is hard to reconstruct them using commodity RGB-D cameras or multi-view stereo…

Robotics · Computer Science 2022-04-28 Lin Yen-Chen , Pete Florence , Jonathan T. Barron , Tsung-Yi Lin , Alberto Rodriguez , Phillip Isola

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Yuze Wang , Junyi Wang , Chen Wang , Wantong Duan , Yongtang Bao , Yue Qi

Implicit neural 3D representation has achieved impressive results in surface or scene reconstruction and novel view synthesis, which typically uses the coordinate-based multi-layer perceptrons (MLPs) to learn a continuous scene…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Fukun Yin , Wen Liu , Zilong Huang , Pei Cheng , Tao Chen , Gang YU

Event cameras are neuromorphic vision sensors that asynchronously capture changes in logarithmic brightness changes, offering significant advantages such as low latency, low power consumption, low bandwidth, and high dynamic range. While…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Yuanjian Wang , Yufei Deng , Rong Xiao , Jiahao Fan , Chenwei Tang , Deng Xiong , Jiancheng Lv

As a promising fashion for visual localization, scene coordinate regression (SCR) has seen tremendous progress in the past decade. Most recent methods usually adopt neural networks to learn the mapping from image pixels to 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Le Chen , Weirong Chen , Rui Wang , Marc Pollefeys

Given a monocular video, segmenting and decoupling dynamic objects while recovering the static environment is a widely studied problem in machine intelligence. Existing solutions usually approach this problem in the image domain, limiting…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Tianhao Wu , Fangcheng Zhong , Andrea Tagliasacchi , Forrester Cole , Cengiz Oztireli

Neural implicit functions have achieved impressive results for reconstructing 3D shapes from single images. However, the image features for describing 3D point samplings of implicit functions are less effective when significant variations…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Yixin Zhuang , Yunzhe Liu , Yujie Wang , Baoquan Chen

Implicit surfaces via neural radiance fields (NeRF) have shown surprising accuracy in surface reconstruction. Despite their success in reconstructing richly textured surfaces, existing methods struggle with planar regions with weak…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Albert Gassol Puigjaner , Edoardo Mello Rella , Erik Sandström , Ajad Chhatkuli , Luc Van Gool