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Related papers: NeAT: Neural Adaptive Tomography

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We present an approach for the reconstruction of textured 3D meshes of human heads from one or few views. Since such few-shot reconstruction is underconstrained, it requires prior knowledge which is hard to impose on traditional 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Egor Burkov , Ruslan Rakhimov , Aleksandr Safin , Evgeny Burnaev , Victor Lempitsky

We introduce the problem of knot-based inverse perceptual art. Given multiple target images and their corresponding viewing configurations, the objective is to find a 3D knot-based tubular structure whose appearance resembles the target…

Graphics · Computer Science 2023-08-22 Aalok Gangopadhyay , Paras Gupta , Tarun Sharma , Prajwal Singh , Shanmuganathan Raman

Recent advances in implicit neural representation have demonstrated the ability to recover detailed geometry and material from multi-view images. However, the use of simplified lighting models such as environment maps to represent…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Yiyu Zhuang , Qi Zhang , Xuan Wang , Hao Zhu , Ying Feng , Xiaoyu Li , Ying Shan , Xun Cao

Computed Tomography (CT) is pivotal in industrial quality control and medical diagnostics. Sparse-view CT, offering reduced ionizing radiation, faces challenges due to its under-sampled nature, leading to ill-posed reconstruction problems.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Jiayang Shi , Junyi Zhu , Daniel M. Pelt , K. Joost Batenburg , Matthew B. Blaschko

Recent learning approaches that implicitly represent surface geometry using coordinate-based neural representations have shown impressive results in the problem of multi-view 3D reconstruction. The effectiveness of these techniques is,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Eduard Ramon , Gil Triginer , Janna Escur , Albert Pumarola , Jaime Garcia , Xavier Giro-i-Nieto , Francesc Moreno-Noguer

Temporal networks have been widely used to model real-world complex systems such as financial systems and e-commerce systems. In a temporal network, the joint neighborhood of a set of nodes often provides crucial structural information…

Machine Learning · Computer Science 2022-12-02 Yuhong Luo , Pan Li

Explicit neural surface representations allow for exact and efficient extraction of the encoded surface at arbitrary precision, as well as analytic derivation of differential geometric properties such as surface normal and curvature. Such…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Weng Fei Low , Gim Hee Lee

This paper proposes a novel neural-network-based adaptive hybrid-reflectance three-dimensional (3-D) surface reconstruction model. The neural network combines the diffuse and specular components into a hybrid model. The proposed model…

Neural and Evolutionary Computing · Computer Science 2009-12-14 Vincy Joseph , Shalini Bhatia

Recent progress in human shape learning, shows that neural implicit models are effective in generating 3D human surfaces from limited number of views, and even from a single RGB image. However, existing monocular approaches still struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Marco Pesavento , Yuanlu Xu , Nikolaos Sarafianos , Robert Maier , Ziyan Wang , Chun-Han Yao , Marco Volino , Edmond Boyer , Adrian Hilton , Tony Tung

In the realm of neural architecture design, achieving high performance is largely reliant on the manual expertise of researchers. Despite the emergence of Neural Architecture Search (NAS) as a promising technique for automating this…

Machine Learning · Computer Science 2025-01-07 Yannis Y. He

High-quality imaging in photoacoustic computed tomography (PACT) usually requires a high-channel count system for dense spatial sampling around the object to avoid aliasing-related artefacts. To reduce system complexity, various image…

Image and Video Processing · Electrical Eng. & Systems 2024-09-24 Bowei Yao , Shilong Cui , Haizhao Dai , Qing Wu , Youshen Xiao , Fei Gao , Jingyi Yu , Yuyao Zhang , Xiran Cai

Designing effective architectures is one of the key factors behind the success of deep neural networks. Existing deep architectures are either manually designed or automatically searched by some Neural Architecture Search (NAS) methods.…

Machine Learning · Computer Science 2020-01-14 Yong Guo , Yin Zheng , Mingkui Tan , Qi Chen , Jian Chen , Peilin Zhao , Junzhou Huang

Dynamic imaging is essential for analyzing various biological systems and behaviors but faces two main challenges: data incompleteness and computational burden. For many imaging systems, high frame rates and short acquisition times require…

Image and Video Processing · Electrical Eng. & Systems 2024-06-12 Luke Lozenski , Mark A. Anastasio , Umberto Villa

We propose and evaluate a neural point-based graphics method that can model semi-transparent scene parts. Similarly to its predecessor pipeline, ours uses point clouds to model proxy geometry, and augments each point with a neural…

Computer Vision and Pattern Recognition · Computer Science 2020-09-08 Maria Kolos , Artem Sevastopolsky , Victor Lempitsky

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

Image registration is a key component of various image processing operations which involve the analysis of different image data sets. Automatic image registration domains have witnessed the application of many intelligent methodologies over…

Computer Vision and Pattern Recognition · Computer Science 2014-05-26 P. V. Arun , S. K. Katiyar

In ultrasound tomography, the speed of sound inside an object is estimated based on acoustic measurements carried out by sensors surrounding the object. An accurate forward model is a prominent factor for high-quality image reconstruction,…

Image and Video Processing · Electrical Eng. & Systems 2021-11-24 Janne Koponen , Timo Lähivaara , Jari Kaipio , Marko Vauhkonen

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

Deep-neural-network-based image reconstruction has demonstrated promising performance in medical imaging for under-sampled and low-dose scenarios. However, it requires large amount of memory and extensive time for the training. It is…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Dufan Wu , Kyungsang Kim , Quanzheng Li

Neural Radiance Fields (NeRF) offer the potential to benefit 3D reconstruction tasks, including aerial photogrammetry. However, the scalability and accuracy of the inferred geometry are not well-documented for large-scale aerial…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Ningli Xu , Rongjun Qin , Debao Huang , Fabio Remondino