中文
相关论文

相关论文: Volumetric Cloud Field Reconstruction

200 篇论文

We propose a method for reconstructing 3D shapes from 2D sketches in the form of line drawings. Our method takes as input a single sketch, or multiple sketches, and outputs a dense point cloud representing a 3D reconstruction of the input…

计算机视觉与模式识别 · 计算机科学 2017-10-02 Zhaoliang Lun , Matheus Gadelha , Evangelos Kalogerakis , Subhransu Maji , Rui Wang

Monocular 3D reconstruction is to reconstruct the shape of object and its other information from a single RGB image. In 3D reconstruction, polygon mesh, with detailed surface information and low computational cost, is the most prevalent…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Rongfei Zeng , Mai Su , Ruiyun Yu , Xingwei Wang

Dense 3D reconstruction from a stream of depth images is the key to many mixed reality and robotic applications. Although methods based on Truncated Signed Distance Function (TSDF) Fusion have advanced the field over the years, the TSDF…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Kejie Li , Yansong Tang , Victor Adrian Prisacariu , Philip H. S. Torr

We introduce a View-Volume convolutional neural network (VVNet) for inferring the occupancy and semantic labels of a volumetric 3D scene from a single depth image. The VVNet concatenates a 2D view CNN and a 3D volume CNN with a…

计算机视觉与模式识别 · 计算机科学 2018-06-15 Yu-Xiao Guo , Xin Tong

The problem of estimating a surface shape from its observed reflectance properties still remains a challenging task in computer vision. The presence of global illumination effects such as inter-reflections or cast shadows makes the task…

计算机视觉与模式识别 · 计算机科学 2021-03-24 David Honzátko , Engin Türetken , Pascal Fua , L. Andrea Dunbar

Object reconstruction from 3D point clouds has been a long-standing research problem in computer vision and computer graphics, and achieved impressive progress. However, reconstruction from time-varying point clouds (a.k.a. 4D point clouds)…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Tuan-Anh Vu , Duc Thanh Nguyen , Binh-Son Hua , Quang-Hieu Pham , Sai-Kit Yeung

We investigate the problem of 3D complex field reconstruction corresponding to unstained red blood cells (RBCs) with a single defocused off-axis digital hologram. We employ recently introduced mean gradient descent (MGD) optimization…

图像与视频处理 · 电气工程与系统科学 2023-03-22 Sunaina Rajora , Mansi Butola , Kedar Khare

With the popularity of 3D volumetric video applications, such as Autonomous Driving, Virtual Reality, and Mixed Reality, current developers have turned to deep learning for compressing volumetric video frames, i.e., point clouds for video…

密码学与安全 · 计算机科学 2025-02-26 Rui Lu , Bihai Zhang , Dan Wang

Inferring the 3D shape of an object from an RGB image has shown impressive results, however, existing methods rely primarily on recognizing the most similar 3D model from the training set to solve the problem. These methods suffer from poor…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Haozhe Xie , Hongxun Yao , Shangchen Zhou , Shengping Zhang , Xiaoshuai Sun , Wenxiu Sun

High-quality 4D reconstruction of human performance with complex interactions to various objects is essential in real-world scenarios, which enables numerous immersive VR/AR applications. However, recent advances still fail to provide…

计算机视觉与模式识别 · 计算机科学 2021-05-03 Zhuo Su , Lan Xu , Dawei Zhong , Zhong Li , Fan Deng , Shuxue Quan , Lu Fang

Early detection of lung cancer is crucial for effective treatment and relies on accurate volumetric assessment of pulmonary nodules in CT scans. Traditional methods, such as consolidation-to-tumor ratio (CTR) and spherical approximation,…

图像与视频处理 · 电气工程与系统科学 2025-08-29 Yihan Zhou , Haocheng Huang , Yue Yu , Jianhui Shang

We present a method to reconstruct the initial linear-regime matter density field from the late-time non-linearly evolved density field in which we channel the output of standard first-order reconstruction to a convolutional neural network…

宇宙学与河外天体物理 · 物理学 2023-10-23 Christopher J. Shallue , Daniel J. Eisenstein

The reconstruction of electrical current densities from magnetic field measurements is an important technique with applications in materials science, circuit design, quality control, plasma physics, and biology. Analytic reconstruction…

One challenge that remains open in 3D deep learning is how to efficiently represent 3D data to feed deep networks. Recent works have relied on volumetric or point cloud representations, but such approaches suffer from a number of issues…

计算机视觉与模式识别 · 计算机科学 2019-01-25 Jhony K. Pontes , Chen Kong , Sridha Sridharan , Simon Lucey , Anders Eriksson , Clinton Fookes

Advances in deep learning techniques have allowed recent work to reconstruct the shape of a single object given only one RBG image as input. Building on common encoder-decoder architectures for this task, we propose three extensions: (1)…

计算机视觉与模式识别 · 计算机科学 2020-08-06 Stefan Popov , Pablo Bauszat , Vittorio Ferrari

It has been a longstanding goal in computer vision to describe the 3D physical space in terms of parameterized volumetric models that would allow autonomous machines to understand and interact with their surroundings. Such models are…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Tim Oblak , Klemen Grm , Aleš Jaklič , Peter Peer , Vitomir Štruc , Franc Solina

Rendering volumetric scattering media, including clouds, fog, smoke, and other complex materials, is crucial for realism in computer graphics. Traditional path tracing, while unbiased, requires many long path samples to converge in scenes…

图形学 · 计算机科学 2024-04-19 Becky Hu , Xi Deng , Fujun Luan , Miloš Hašan , Steve Marschner

We address the challenging problem of jointly inferring the 3D flow and volumetric densities moving in a fluid from a monocular input video with a deep neural network. Despite the complexity of this task, we show that it is possible to…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Aleksandra Franz , Barbara Solenthaler , Nils Thuerey

While the keypoint-based maps created by sparse monocular simultaneous localisation and mapping (SLAM) systems are useful for camera tracking, dense 3D reconstructions may be desired for many robotic tasks. Solutions involving depth cameras…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Tristan Laidlow , Jan Czarnowski , Stefan Leutenegger

Confocal microscopy is the standard approach for obtaining volumetric images of a sample with high axial and lateral resolution, especially when dealing with scattering samples. Unfortunately, a confocal microscope is quite expensive…