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相关论文: NPLMV-PS: Neural Point-Light Multi-View Photometri…

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Photometric stereo leverages variations in illumination conditions to reconstruct surface normals. Display photometric stereo, which employs a conventional monitor as an illumination source, has the potential to overcome limitations often…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Seokjun Choi , Seungwoo Yoon , Giljoo Nam , Seungyong Lee , Seung-Hwan Baek

While deep learning has recently achieved great success on multi-view stereo (MVS), limited training data makes the trained model hard to be generalized to unseen scenarios. Compared with other computer vision tasks, it is rather difficult…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Yao Yao , Zixin Luo , Shiwei Li , Jingyang Zhang , Yufan Ren , Lei Zhou , Tian Fang , Long Quan

Neural radiance fields (NeRFs) enable novel view synthesis with unprecedented visual quality. However, to render photorealistic images, NeRFs require hundreds of deep multilayer perceptron (MLP) evaluations - for each pixel. This is…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Ziyu Wan , Christian Richardt , Aljaž Božič , Chao Li , Vijay Rengarajan , Seonghyeon Nam , Xiaoyu Xiang , Tuotuo Li , Bo Zhu , Rakesh Ranjan , Jing Liao

Learning-based multi-view stereo (MVS) has by far centered around 3D convolution on cost volumes. Due to the high computation and memory consumption of 3D CNN, the resolution of output depth is often considerably limited. Different from…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Yifei Shi , Junhua Xi , Dewen Hu , Zhiping Cai , Kai Xu

Existing Neural Radiance Fields (NeRF) methods suffer from the existence of reflective objects, often resulting in blurry or distorted rendering. Instead of calculating a single radiance field, we propose a multi-space neural radiance field…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Ze-Xin Yin , Peng-Yi Jiao , Jiaxiong Qiu , Ming-Ming Cheng , Bo Ren

Learning-based multi-view stereo (MVS) methods have demonstrated promising results. However, very few existing networks explicitly take the pixel-wise visibility into consideration, resulting in erroneous cost aggregation from occluded…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Jingyang Zhang , Yao Yao , Shiwei Li , Zixin Luo , Tian Fang

Photometric Stereo methods seek to reconstruct the 3d shape of an object from motionless images obtained with varying illumination. Most existing methods solve a restricted problem where the physical reflectance model, such as Lambertian…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Ofer Bartal , Nati Ofir , Yaron Lipman , Ronen Basri

Photometric stereo provides an important method for high-fidelity 3D reconstruction based on multiple intensity images captured under different illumination directions. In this paper, we present a complete framework, including a multilight…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Yanlong Cao , Binjie Ding , Zewei He , Jiangxin Yang , Jingxi Chen , Yanpeng Cao , Xin Li

Display photometric stereo uses a display as a programmable light source to illuminate a scene with diverse illumination conditions. Recently, differentiable display photometric stereo (DDPS) demonstrated improved normal reconstruction…

计算机视觉与模式识别 · 计算机科学 2025-02-10 Gawoon Ban , Hyeongjun Kim , Seokjun Choi , Seungwoo Yoon , Seung-Hwan Baek

We propose to tackle the multiview photometric stereo problem using an extension of Neural Radiance Fields (NeRFs), conditioned on light source direction. The geometric part of our neural representation predicts surface normal direction,…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Meghna Asthana , William A. P. Smith , Patrik Huber

In modern dense 3D reconstruction, feed-forward systems (e.g., VGGT, pi3) focus on end-to-end matching and geometry prediction but do not explicitly output the novel view synthesis (NVS). Neural rendering-based approaches offer…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Pengcheng Chen , Yue Hu , Wenhao Li , Nicole M Gunderson , Andrew Feng , Zhenglong Sun , Peter Beerel , Eric J Seibel

This paper presents an uncalibrated deep neural network framework for the photometric stereo problem. For training models to solve the problem, existing neural network-based methods either require exact light directions or ground-truth…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Berk Kaya , Suryansh Kumar , Carlos Oliveira , Vittorio Ferrari , Luc Van Gool

We introduce Point-MVSNet, a novel point-based deep framework for multi-view stereo (MVS). Distinct from existing cost volume approaches, our method directly processes the target scene as point clouds. More specifically, our method predicts…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Rui Chen , Songfang Han , Jing Xu , Hao Su

This study addresses the challenge of online 3D model generation for neural rendering using an RGB image stream. Previous research has tackled this issue by incorporating Neural Radiance Fields (NeRF) or 3D Gaussian Splatting (3DGS) as…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Byeonggwon Lee , Junkyu Park , Khang Truong Giang , Sungho Jo , Soohwan Song

Photometric stereo recovers the surface normals of an object from multiple images with varying shading cues, i.e., modeling the relationship between surface orientation and intensity at each pixel. Photometric stereo prevails in superior…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yakun Ju , Kin-Man Lam , Wuyuan Xie , Huiyu Zhou , Junyu Dong , Boxin Shi

Traditional MVS methods have good accuracy but struggle with completeness, while recently developed learning-based multi-view stereo (MVS) techniques have improved completeness except accuracy being compromised. We propose depth…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Nail Ibrahimli , Hugo Ledoux , Julian Kooij , Liangliang Nan

We introduce an approach to enhance the novel view synthesis from images taken from a freely moving camera. The introduced approach focuses on outdoor scenes where recovering accurate geometric scaffold and camera pose is challenging,…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Nishant Jain , Suryansh Kumar , Luc Van Gool

In this paper, we investigate a new optimization framework for multi-view 3D shape reconstructions. Recent differentiable rendering approaches have provided breakthrough performances with implicit shape representations though they can still…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Pierre Zins , Yuanlu Xu , Edmond Boyer , Stefanie Wuhrer , Tony Tung

Real-time visibility determination in expansive or dynamically changing environments has long posed a significant challenge in computer graphics. Existing techniques are computationally expensive and often applied as a precomputation step…

图形学 · 计算机科学 2025-09-30 Xiangyu Wang , Thomas Köhler , Jun Lin Qiu , Shohei Mori , Markus Steinberger , Dieter Schmalstieg

Neural Radiance Field (NeRF) has achieved superior performance for novel view synthesis by modeling the scene with a Multi-Layer Perception (MLP) and a volume rendering procedure, however, when fewer known views are given (i.e., few-shot…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Hanxin Zhu , Tianyu He , Xin Li , Bingchen Li , Zhibo Chen