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Automatic detection of shadow regions in an image is a difficult task due to the lack of prior information about the illumination source and the dynamic of the scene objects. To address this problem, in this paper, a deep-learning based…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Sorour Mohajerani , Parvaneh Saeedi

In this paper, we propose a novel technique to reconstruct 3D surface of an underwater object using stereo images. Reconstructing the 3D surface of an underwater object is really a challenging task due to degraded quality of underwater…

计算机视觉与模式识别 · 计算机科学 2012-11-12 C. J. Prabhakar , P. U. Praveen Kumar

3D geometry is a very informative cue when interacting with and navigating an environment. This writing proposes a new approach to 3D reconstruction and scene understanding, which implicitly learns 3D geometry from depth maps pairing a deep…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Dario Rethage , Federico Tombari , Felix Achilles , Nassir Navab

In this study, we propose a simple and effective fine-tuning algorithm called "restore-from-restored", which can greatly enhance the performance of fully pre-trained image denoising networks. Many supervised denoising approaches can produce…

计算机视觉与模式识别 · 计算机科学 2020-11-19 Seunghwan Lee , Dongkyu Lee , Donghyeon Cho , Jiwon Kim , Tae Hyun Kim

With the recent advances in hardware and rendering techniques, 3D models have emerged everywhere in our life. Yet creating 3D shapes is arduous and requires significant professional knowledge. Meanwhile, Deep learning has enabled…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Zhiqin Chen

Computational stereo has reached a high level of accuracy, but degrades in the presence of occlusions, repeated textures, and correspondence errors along edges. We present a novel approach based on neural networks for depth estimation that…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Yinda Zhang , Neal Wadhwa , Sergio Orts-Escolano , Christian Häne , Sean Fanello , Rahul Garg

3D scene reconstruction from 2D images has been a long-standing task. Instead of estimating per-frame depth maps and fusing them in 3D, recent research leverages the neural implicit surface as a unified representation for 3D reconstruction.…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Xinyi Yu , Liqin Lu , Jintao Rong , Guangkai Xu , Linlin Ou

We present a novel approach for recovering 3D shape and view dependent appearance from a few colored images, enabling efficient 3D reconstruction and novel view synthesis. Our method learns an implicit neural representation in the form of a…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Mae Younes , Amine Ouasfi , Adnane Boukhayma

Relighting of human images enables post-photography editing of lighting effects in portraits. The current mainstream approach uses neural networks to approximate lighting effects without explicitly accounting for the principle of physical…

图形学 · 计算机科学 2024-11-04 Daichi Tajima , Yoshihiro Kanamori , Yuki Endo

Reconstructing object geometry and material from multiple views typically requires optimization. Differentiable path tracing is an appealing framework as it can reproduce complex appearance effects. However, it is difficult to use due to…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Purvi Goel , Loudon Cohen , James Guesman , Vikas Thamizharasan , James Tompkin , Daniel Ritchie

Representing 3D objects and scenes with neural radiance fields has become very popular over the last years. Recently, surface-based representations have been proposed, that allow to reconstruct 3D objects from simple photographs. However,…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Sarthak Gupta , Patrik Huber

Shadow removal is an essential task in computer vision and computer graphics. Recent shadow removal approaches all train convolutional neural networks (CNN) on real paired shadow/shadow-free or shadow/shadow-free/mask image datasets.…

计算机视觉与模式识别 · 计算机科学 2021-02-16 Naoto Inoue , Toshihiko Yamasaki

Current non-rigid structure from motion (NRSfM) algorithms are mainly limited with respect to: (i) the number of images, and (ii) the type of shape variability they can handle. This has hampered the practical utility of NRSfM for many…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Chen Kong , Simon Lucey

In this paper, we proposed a new deep learning based dense monocular SLAM method. Compared to existing methods, the proposed framework constructs a dense 3D model via a sparse to dense mapping using learned surface normals. With single view…

机器人学 · 计算机科学 2019-03-25 Jiexiong Tang , John Folkesson , Patric Jensfelt

We present SuperNormal, a fast, high-fidelity approach to multi-view 3D reconstruction using surface normal maps. With a few minutes, SuperNormal produces detailed surfaces on par with 3D scanners. We harness volume rendering to optimize a…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Xu Cao , Takafumi Taketomi

Active-stereo-based 3D shape measurement is crucial for various purposes, such as industrial inspection, reverse engineering, and medical systems, due to its strong ability to accurately acquire the shape of textureless objects. Active…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Ryo Furukawa , Kota Nishihara , Hiroshi Kawasaki

In this paper, we propose a novel procedure for 3D layout recovery of indoor scenes from single 360 degrees panoramic images. With such images, all scene is seen at once, allowing to recover closed geometries. Our method combines…

计算机视觉与模式识别 · 计算机科学 2018-06-22 Clara Fernandez-Labrador , Alejandro Perez-Yus , Gonzalo Lopez-Nicolas , Jose J. Guerrero

We present a method to edit complex indoor lighting from a single image with its predicted depth and light source segmentation masks. This is an extremely challenging problem that requires modeling complex light transport, and disentangling…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Zhengqin Li , Jia Shi , Sai Bi , Rui Zhu , Kalyan Sunkavalli , Miloš Hašan , Zexiang Xu , Ravi Ramamoorthi , Manmohan Chandraker

Three-dimensional shape reconstruction of 2D landmark points on a single image is a hallmark of human vision, but is a task that has been proven difficult for computer vision algorithms. We define a feed-forward deep neural network…

计算机视觉与模式识别 · 计算机科学 2016-09-29 Ruiqi Zhao , Yan Wang , Aleix Martinez

We propose an embarrassingly simple but very effective scheme for high-quality dense stereo reconstruction: (i) generate an approximate reconstruction with your favourite stereo matcher; (ii) rewarp the input images with that approximate…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Corinne Stucker , Konrad Schindler