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Related papers: NeRF-Based defect detection

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Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS) have emerged as powerful tools for 3D reconstruction and SLAM tasks. However, their performance depends heavily on accurate camera pose priors. Existing approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Jie Chen , Bo Li , Xiaowen Chu , Fei Deng

This paper presents a neural network that effectively removes visual defects from UAV-captured images. It features an enhanced Pix2Pix GAN, specifically engineered to address visual defects in UAV imagery. The method incorporates advanced…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Volodymyr Rizun

We present a novel iterative algorithm for detection of binary Markov random fields (MRFs) corrupted by two-dimensional (2D) intersymbol interference (ISI) and additive white Gaussian noise (AWGN). We assume a first-order binary MRF as a…

Information Theory · Computer Science 2007-07-13 Ying Zhu , Taikun Cheng , Krishnamoorthy Sivakumar , Benjamin J. Belzer

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

A variety of Neural Radiance Fields (NeRF) methods have recently achieved remarkable success in high render speed. However, current accelerating methods are specialized and incompatible with various implicit methods, preventing real-time…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Xinyu Gao , Ziyi Yang , Yunlu Zhao , Yuxiang Sun , Xiaogang Jin , Changqing Zou

Three-dimensional ultrasound imaging is a critical technology widely used in medical diagnostics. However, traditional 3D ultrasound imaging methods have limitations such as fixed resolution, low storage efficiency, and insufficient…

Artificial Intelligence · Computer Science 2024-09-16 Ziwen Guo , Zi Fang , Zhuang Fu

Near Infrared (NIR) spectroscopy is widely used in industrial quality control and automation to test the purity and grade of items. In this research, we propose a novel sensorized end effector and acquisition strategy to capture spectral…

UAVs showed great efficiency on scanning bridge decks surface by taking a single shot or through stitching a couple of overlaid still images. If potential surface deficits are identified through aerial images, subsequent ground inspections…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Zhexiong Shang , Chongsheng Cheng , Zhigang Shen

The recent surge in popularity of deep generative models for 3D objects has highlighted the need for more efficient training methods, particularly given the difficulties associated with training with conventional 3D representations, such as…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Adam Kania , Artur Kasymov , Jakub Kościukiewicz , Artur Górak , Marcin Mazur , Maciej Zięba , Przemysław Spurek

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

This paper presents a unified surface reconstruction and rendering framework for LiDAR-visual systems, integrating Neural Radiance Fields (NeRF) and Neural Distance Fields (NDF) to recover both appearance and structural information from…

Robotics · Computer Science 2024-09-10 Jianheng Liu , Chunran Zheng , Yunfei Wan , Bowen Wang , Yixi Cai , Fu Zhang

The emerging drone aerial survey has the advantages of low cost, high efficiency, and flexible use. However, UAVs are often equipped with cheap POS systems and non-measurement cameras, and their flight attitudes are easily affected. How to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Jiageng Zhong , Ming Li , Jiangying Qin , Hanqi Zhang

Multi-camera setups find widespread use across various applications, such as autonomous driving, as they greatly expand sensing capabilities. Despite the fast development of Neural radiance field (NeRF) techniques and their wide…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Kai Cheng , Xiaoxiao Long , Wei Yin , Jin Wang , Zhiqiang Wu , Yuexin Ma , Kaixuan Wang , Xiaozhi Chen , Xuejin Chen

Neural Radiance Fields (NeRF) has emerged as a compelling framework for scene representation and 3D recovery. To improve its performance on real-world data, depth regularizations have proven to be the most effective ones. However, depth…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Aoxiang Fan , Corentin Dumery , Nicolas Talabot , Pascal Fua

Advances in image diffusion models have recently led to notable improvements in the generation of high-quality images. In combination with Neural Radiance Fields (NeRFs), they enabled new opportunities in 3D generation. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Jan-Niklas Dihlmann , Andreas Engelhardt , Hendrik Lensch

This study introduces a novel self-supervised learning approach for volumetric segmentation of defect indications captured by phased array ultrasonic testing data from Carbon Fiber Reinforced Polymers (CFRPs). By employing this…

Signal Processing · Electrical Eng. & Systems 2024-11-13 Shaun McKnight , Vedran Tunukovic , Amine Hifi , Gareth Pierce , Ehsan Mohseni , Charles MacLeod , Tom OHare

Neural Radiance Fields (NeRF) has demonstrated remarkable 3D reconstruction capabilities with dense view images. However, its performance significantly deteriorates under sparse view settings. We observe that learning the 3D consistency of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Shoukang Hu , Kaichen Zhou , Kaiyu Li , Longhui Yu , Lanqing Hong , Tianyang Hu , Zhenguo Li , Gim Hee Lee , Ziwei Liu

This paper introduces a robust approach for automated defect detection in tire X-ray images by harnessing traditional feature extraction methods such as Local Binary Pattern (LBP) and Gray Level Co-Occurrence Matrix (GLCM) features, as well…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Andrei Cozma , Landon Harris , Hairong Qi , Ping Ji , Wenpeng Guo , Song Yuan

In this paper, we propose a Neural Radiance Fields (NeRF) based framework, referred to as Novel View Synthesis Framework (NVSF). It jointly learns the implicit neural representation of space and time-varying scene for both LiDAR and Camera.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Gaurav Sharma , Ravi Kothari , Josef Schmid

We address the detection of material defects, which are inside a layered material structure using compressive sensing based multiple-input and multiple-output (MIMO) wireless radar. Here, the strong clutter due to the reflection of the…

Signal Processing · Electrical Eng. & Systems 2022-04-18 Udaya S. K. P. Miriya Thanthrige , Peter Jung , Aydin Sezgin
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