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Previous multi-view normal integration methods typically sample a single ray per pixel, without considering the spatial area covered by each pixel, which varies with camera intrinsics and the camera-to-object distance. Consequently, when…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Tongyu Yang , Heng Guo , Yasuyuki Matsushita , Fumio Okura , Yu Luo , Xin Fan

We propose a differentiable imaging framework to address uncertainty in measurement coordinates such as sensor locations and projection angles. We formulate the problem as measurement interpolation at unknown nodes supervised through the…

图像与视频处理 · 电气工程与系统科学 2023-12-21 Sidharth Gupta , Konik Kothari , Valentin Debarnot , Ivan Dokmanić

Instant-NGP has been the state-of-the-art architecture of neural fields in recent years. Its incredible signal-fitting capabilities are generally attributed to its multi-resolution hash grid structure and have been used and improved in…

机器学习 · 计算机科学 2025-05-07 Steven Tin Sui Luo

In this paper, we propose HeadNeRF, a novel NeRF-based parametric head model that integrates the neural radiance field to the parametric representation of the human head. It can render high fidelity head images in real-time on modern GPUs,…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Yang Hong , Bo Peng , Haiyao Xiao , Ligang Liu , Juyong Zhang

We have recently seen tremendous progress in the neural advances for photo-real human modeling and rendering. However, it's still challenging to integrate them into an existing mesh-based pipeline for downstream applications. In this paper,…

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…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Dominik Zimny , Artur Kasymov , Adam Kania , Jacek Tabor , Maciej Zięba , Marcin Mazur , Przemysław Spurek

Datasets such as images, text, or movies are embedded in high-dimensional spaces. However, in important cases such as images of objects, the statistical structure in the data constrains samples to a manifold of dramatically lower…

机器学习 · 计算机科学 2019-10-29 Stefano Recanatesi , Matthew Farrell , Madhu Advani , Timothy Moore , Guillaume Lajoie , Eric Shea-Brown

Deep artificial neural networks are powerful tools with many possible applications in nanophotonics. Here, we demonstrate how a deep neural network can be used as a fast, general purpose predictor of the full near-field and far-field…

计算物理 · 物理学 2020-01-28 Peter R. Wiecha , Otto L. Muskens

Novel view synthesis (NVS) in dynamic scenes faces persistent challenges in memory consumption, model complexity, training efficiency, and rendering quality. Offline methods offer high fidelity but suffer from high memory usage and limited…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Zhenhuan Liu , Shuai Liu , Zhiwei Ning , Jie Yang , Yifan Zuo , Yuming Fang , Wei Liu

Reliably reconstructing physical fields from sparse sensor data is a challenge that frequently arises in many scientific domains. In practice, the process generating the data often is not understood to sufficient accuracy. Therefore, there…

机器学习 · 计算机科学 2024-01-23 Xihaier Luo , Wei Xu , Yihui Ren , Shinjae Yoo , Balu Nadiga

Hyperspectral Imagery (HSI) has been used in many applications to non-destructively determine the material and/or chemical compositions of samples. There is growing interest in creating 3D hyperspectral reconstructions, which could provide…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Gerry Chen , Sunil Kumar Narayanan , Thomas Gautier Ottou , Benjamin Missaoui , Harsh Muriki , Cédric Pradalier , Yongsheng Chen

Neural Radiance Fields (NeRFs) have remodeled 3D scene representation since release. NeRFs can effectively reconstruct complex 3D scenes from 2D images, advancing different fields and applications such as scene understanding, 3D content…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Wenhui Xiao , Remi Chierchia , Rodrigo Santa Cruz , Xuesong Li , David Ahmedt-Aristizabal , Olivier Salvado , Clinton Fookes , Leo Lebrat

The modern computer graphics pipeline can synthesize images at remarkable visual quality; however, it requires well-defined, high-quality 3D content as input. In this work, we explore the use of imperfect 3D content, for instance, obtained…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Justus Thies , Michael Zollhöfer , Matthias Nießner

The main objective of image segmentation is to divide an image into homogeneous regions for further analysis. This is a significant and crucial task in many applications such as medical imaging. Deep learning (DL) methods have been proposed…

图像与视频处理 · 电气工程与系统科学 2023-06-27 Junying Meng , Weihong Guo , Jun Liu , Mingrui Yang

In this paper, we introduce a novel deep neural network suitable for multi-scale analysis and propose efficient model-agnostic methods that help the network extract information from high-frequency domains to reconstruct clearer images. Our…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Hyungmin Roh , Myungjoo Kang

Generating realistic intermediate shapes between non-rigidly deformed shapes is a challenging task in computer vision, especially with unstructured data (e.g., point clouds) where temporal consistency across frames is lacking, and…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Lu Sang , Zehranaz Canfes , Dongliang Cao , Riccardo Marin , Florian Bernard , Daniel Cremers

Neural Radiance Fields (NeRF) use multi-view images for 3D scene representation, demonstrating remarkable performance. As one of the primary sources of multi-view images, multi-camera systems encounter challenges such as varying intrinsic…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Yu Gao , Lutong Su , Hao Liang , Yufeng Yue , Yi Yang , Mengyin Fu

We propose a novel learnable representation for detail-preserving shape deformation. The goal of our method is to warp a source shape to match the general structure of a target shape, while preserving the surface details of the source. Our…

图形学 · 计算机科学 2020-03-20 Wang Yifan , Noam Aigerman , Vladimir G. Kim , Siddhartha Chaudhuri , Olga Sorkine-Hornung

Rendering novel view images is highly desirable for many applications. Despite recent progress, it remains challenging to render high-fidelity and view-consistent novel views of large-scale scenes from in-the-wild images with inevitable…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Peng Dai , Yinda Zhang , Xin Yu , Xiaoyang Lyu , Xiaojuan Qi

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…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Jiaxiang Tang , Hang Zhou , Xiaokang Chen , Tianshu Hu , Errui Ding , Jingdong Wang , Gang Zeng