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Advances in hyperspectral imaging (HSI) and 3D reconstruction have enabled accurate, high-throughput characterization of agricultural produce quality and plant phenotypes, both essential for advancing agricultural sustainability and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Kibon Ku , Talukder Z. Jubery , Adarsh Krishnamurthy , Baskar Ganapathysubramanian

A high-quality 3D reconstruction of a scene from a collection of 2D images can be achieved through offline/online mapping methods. In this paper, we explore active mapping from the perspective of implicit representations, which have…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Huangying Zhan , Jiyang Zheng , Yi Xu , Ian Reid , Hamid Rezatofighi

Recently, significant progress has been made in the study of methods for 3D reconstruction from multiple images using implicit neural representations, exemplified by the neural radiance field (NeRF) method. Such methods, which are based on…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Wooseok Kim , Taiki Fukiage , Takeshi Oishi

The neural radiance field (NeRF) achieved remarkable success in modeling 3D scenes and synthesizing high-fidelity novel views. However, existing NeRF-based methods focus more on the make full use of the image resolution to generate novel…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Yuqi Han , Tao Yu , Xiaohang Yu , Yuwang Wang , Qionghai Dai

Neural volume rendering techniques, such as NeRF, have revolutionized 3D-aware image synthesis by enabling the generation of images of a single scene or object from various camera poses. However, the high computational cost of NeRF presents…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Peng Zheng , Linzhi Huang , Yizhou Yu , Yi Chang , Yilin Wang , Rui Ma

As a neuromorphic sensor with high temporal resolution, spike cameras offer notable advantages over traditional cameras in high-speed vision applications such as high-speed optical estimation, depth estimation, and object tracking. Inspired…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Yijia Guo , Yuanxi Bai , Liwen Hu , Mianzhi Liu , Ziyi Guo , Lei Ma , Tiejun Huang

We present a new method for estimating the Neural Reflectance Field (NReF) of an object from a set of posed multi-view images under unknown lighting. NReF represents 3D geometry and appearance of objects in a disentangled manner, and are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Xiu Li , Xiao Li , Yan Lu

First-Person-View (FPV) holds immense potential for revolutionizing the trajectory of Unmanned Aerial Vehicles (UAVs), offering an exhilarating avenue for navigating complex building structures. Yet, traditional Neural Radiance Field (NeRF)…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Liqi Yan , Qifan Wang , Junhan Zhao , Qiang Guan , Zheng Tang , Jianhui Zhang , Dongfang Liu

Neural radiance fields (NeRF) has gained significant attention for its exceptional visual effects. However, most existing NeRF methods reconstruct 3D scenes from RGB images captured by visible light cameras. In practical scenarios like…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Chonghao Zhong , Chao Xu

Large-scale 3D scene reconstruction and novel view synthesis are vital for autonomous vehicles, especially utilizing temporally sparse LiDAR frames. However, conventional explicit representations remain a significant bottleneck towards…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Xiuzhong Hu , Guangming Xiong , Zheng Zang , Peng Jia , Yuxuan Han , Junyi Ma

While originally developed for novel view synthesis, Neural Radiance Fields (NeRFs) have recently emerged as an alternative to multi-view stereo (MVS). Triggered by a manifold of research activities, promising results have been gained…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Vincent Hackstein , Paul Fauth-Mayer , Matthias Rothermel , Norbert Haala

Recent advances in neural rendering have shown that, albeit slow, implicit compact models can learn a scene's geometries and view-dependent appearances from multiple views. To maintain such a small memory footprint but achieve faster…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Juan Luis Gonzalez Bello , Minh-Quan Viet Bui , Munchurl Kim

Neural radiance fields provide state-of-the-art view synthesis quality but tend to be slow to render. One reason is that they make use of volume rendering, thus requiring many samples (and model queries) per ray at render time. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Haithem Turki , Vasu Agrawal , Samuel Rota Bulò , Lorenzo Porzi , Peter Kontschieder , Deva Ramanan , Michael Zollhöfer , Christian Richardt

Neural Radiance Field (NeRF) has received much attention in recent years due to the impressively high quality in 3D scene reconstruction and novel view synthesis. However, image degradation caused by the scattering of atmospheric light and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Tian Li , LU Li , Wei Wang , Zhangchi Feng

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

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

Recently, Neural Radiance Fields (NeRF) achieved impressive results in novel view synthesis. Block-NeRF showed the capability of leveraging NeRF to build large city-scale models. For large-scale modeling, a mass of image data is necessary.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Tong Qin , Changze Li , Haoyang Ye , Shaowei Wan , Minzhen Li , Hongwei Liu , Ming Yang

Neural Radiance Field(NeRF) is an novel implicit method to achieve the 3D reconstruction and representation with a high resolution. After the first research of NeRF is proposed, NeRF has gained a robust developing power and is booming in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Jinwei Lin

We present iNeRF, a framework that performs mesh-free pose estimation by "inverting" a Neural RadianceField (NeRF). NeRFs have been shown to be remarkably effective for the task of view synthesis - synthesizing photorealistic novel views of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Lin Yen-Chen , Pete Florence , Jonathan T. Barron , Alberto Rodriguez , Phillip Isola , Tsung-Yi Lin

In the field of monocular 3D detection, it is common practice to utilize scene geometric clues to enhance the detector's performance. However, many existing works adopt these clues explicitly such as estimating a depth map and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Junkai Xu , Liang Peng , Haoran Cheng , Hao Li , Wei Qian , Ke Li , Wenxiao Wang , Deng Cai