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相关论文: MV2Cyl: Reconstructing 3D Extrusion Cylinders from…

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Most current neural networks for reconstructing surfaces from point clouds ignore sensor poses and only operate on raw point locations. Sensor visibility, however, holds meaningful information regarding space occupancy and surface…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Raphael Sulzer , Loic Landrieu , Alexandre Boulch , Renaud Marlet , Bruno Vallet

This paper presents a neural architecture MVDiffusion++ for 3D object reconstruction that synthesizes dense and high-resolution views of an object given one or a few images without camera poses. MVDiffusion++ achieves superior flexibility…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Shitao Tang , Jiacheng Chen , Dilin Wang , Chengzhou Tang , Fuyang Zhang , Yuchen Fan , Vikas Chandra , Yasutaka Furukawa , Rakesh Ranjan

Magnetic Resonance Imaging (MRI) is a technology for non-invasive imaging of anatomical features in detail. It can help in functional analysis of organs of a specimen but it is very costly. In this work, methods for (i) virtual…

图像与视频处理 · 电气工程与系统科学 2023-03-17 Somoballi Ghoshal , Shremoyee Goswami , Amlan Chakrabarti , Susmita Sur-Kolay

Recent 3D large reconstruction models typically employ a two-stage process, including first generate multi-view images by a multi-view diffusion model, and then utilize a feed-forward model to reconstruct images to 3D content.However,…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Zhenyu Tang , Junwu Zhang , Xinhua Cheng , Wangbo Yu , Chaoran Feng , Yatian Pang , Bin Lin , Li Yuan

Recovering the 3D geometry of a purely texture-less object with generally unknown surface reflectance (e.g. non-Lambertian) is regarded as a challenging task in multi-view reconstruction. The major obstacle revolves around establishing…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Ziang Cheng , Hongdong Li , Yuta Asano , Yinqiang Zheng , Imari Sato

In this paper, we propose a computational framework for 3D volume reconstruction from 2D histological slices using registration algorithms in feature space. To improve the quality of reconstructed 3D volume, first, intensity variations in…

计算机视觉与模式识别 · 计算机科学 2009-07-21 Ulas Bagci , Li Bai

We introduce neural dual contouring (NDC), a new data-driven approach to mesh reconstruction based on dual contouring (DC). Like traditional DC, it produces exactly one vertex per grid cell and one quad for each grid edge intersection, a…

计算机视觉与模式识别 · 计算机科学 2022-06-02 Zhiqin Chen , Andrea Tagliasacchi , Thomas Funkhouser , Hao Zhang

Recently, deep convolutional neural networks have achieved great success for medical image segmentation. However, unlike segmentation of natural images, most medical images such as MRI and CT are volumetric data. In order to make full use…

图像与视频处理 · 电气工程与系统科学 2022-02-08 Yichi Zhang , Qingcheng Liao , Le Ding , Jicong Zhang

3D reconstruction from single view images is an ill-posed problem. Inferring the hidden regions from self-occluded images is both challenging and ambiguous. We propose a two-pronged approach to address these issues. To better incorporate…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Priyanka Mandikal , K L Navaneet , Mayank Agarwal , R. Venkatesh Babu

Solving image-to-3D from a single view is an ill-posed problem, and current neural reconstruction methods addressing it through diffusion models still rely on scene-specific optimization, constraining their generalization capability. To…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Christian Simon , Sen He , Juan-Manuel Perez-Rua , Mengmeng Xu , Amine Benhalloum , Tao Xiang

Multi-view stereopsis (MVS) tries to recover the 3D model from 2D images. As the observations become sparser, the significant 3D information loss makes the MVS problem more challenging. Instead of only focusing on densely sampled…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Mengqi Ji , Jinzhi Zhang , Qionghai Dai , Lu Fang

3D recovery from multi-stereo and stereo images, as an important application of the image-based perspective geometry, serves many applications in computer vision, remote sensing and Geomatics. In this chapter, the authors utilize the…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Rongjun Qin , Shuang Song , Xiao Ling , Mostafa Elhashash

Volumetric ultrasound has the potential to significantly improve diagnostic accuracy and clinical decision-making, yet its widespread adoption remains limited by dependence on specialized hardware and restrictive acquisition protocols. In…

图像与视频处理 · 电气工程与系统科学 2026-02-03 Max Krähenmann , Sergio Tascon-Morales , Fabian Laumer , Julia E. Vogt , Ece Ozkan

We propose a Point-Voxel DeConvolution (PVDeConv) module for 3D data autoencoder. To demonstrate its efficiency we learn to synthesize high-resolution point clouds of 10k points that densely describe the underlying geometry of Computer…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Kseniya Cherenkova , Djamila Aouada , Gleb Gusev

Reverse Engineering a CAD shape from other representations is an important geometric processing step for many downstream applications. In this work, we introduce a novel neural network architecture to solve this challenging task and…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Joseph G. Lambourne , Karl D. D. Willis , Pradeep Kumar Jayaraman , Longfei Zhang , Aditya Sanghi , Kamal Rahimi Malekshan

Reconstructing a 3D Stereo-lithography (STL) Model from 2D Contours of scanned structure in Digital Imaging and Communication in Medicine (DICOM) images is crucial to understand the geometry and deformity. Computed Tomography (CT) images…

图像与视频处理 · 电气工程与系统科学 2026-01-22 K. Punnam Chandar , Y. Ravi Kumar

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

In the realm of medical 3D data, such as CT and MRI images, prevalent anisotropic resolution is characterized by high intra-slice but diminished inter-slice resolution. The lowered resolution between adjacent slices poses challenges,…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Wei Fang , Yuxing Tang , Heng Guo , Mingze Yuan , Tony C. W. Mok , Ke Yan , Jiawen Yao , Xin Chen , Zaiyi Liu , Le Lu , Ling Zhang , Minfeng Xu

Three-dimensional reconstruction is a fundamental problem in robotics perception. We examine the problem of active view selection to perform 3D Gaussian Splatting reconstructions with as few input images as possible. Although 3D Gaussian…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Monica M. Q. Li , Pierre-Yves Lajoie , Giovanni Beltrame

Object viewpoint estimation from 2D images is an essential task in computer vision. However, two issues hinder its progress: scarcity of training data with viewpoint annotations, and a lack of powerful features. Inspired by the growing…

计算机视觉与模式识别 · 计算机科学 2015-05-22 Hao Su , Charles R. Qi , Yangyan Li , Leonidas Guibas
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