Results 41 to 50 of about 731,441 (344)

An evaluation of PlanetScope images for 3D reconstruction and change detection – experimental validations with case studies

open access: yesGIScience & Remote Sensing, 2022
The PlanetScope satellite constellation has over 130 Dove satellites running 24/7, which collect weekly and even daily images globally at 3–5 m resolution.
Debao Huang, Yang Tang, Rongjun Qin
doaj   +1 more source

Iterative Online 3D Reconstruction from RGB Images

open access: yesSensors, 2022
3D reconstruction is the computer vision task of reconstructing the 3D shape of an object from multiple 2D images. Most existing algorithms for this task are designed for offline settings, producing a single reconstruction from a batch of images taken ...
Thorsten Cardoen   +2 more
doaj   +1 more source

Pix3D: Dataset and Methods for Single-Image 3D Shape Modeling

open access: yes, 2018
We study 3D shape modeling from a single image and make contributions to it in three aspects. First, we present Pix3D, a large-scale benchmark of diverse image-shape pairs with pixel-level 2D-3D alignment.
Freeman, William T.   +7 more
core   +1 more source

Self-correction of 3D reconstruction from multi-view stereo images [PDF]

open access: yes, 2009
We present a self-correction approach to improving the 3D reconstruction of a multi-view 3D photogrammetry system. The self-correction approach has been able to repair the reconstructed 3D surface damaged by depth discontinuities.
Ayoub, A.F.   +3 more
core   +1 more source

Overview of image-based 3D reconstruction technology

open access: yesJournal of the European Optical Society-Rapid Publications
Three-dimensional (3D) reconstruction technology is the key technology to establish and express the objective world by using computer, and it is widely used in real 3D, automatic driving, aerospace, navigation and industrial robot applications. According
Niu Yuandong   +4 more
doaj   +1 more source

SfM Flow: A comprehensive toolset for the evaluation of 3D reconstruction pipelines

open access: yesSoftwareX, 2022
We present SfM Flow, a Blender add-on that provides a toolset for the evaluation of three-dimensional reconstructions obtained form images. 3D reconstruction is increasingly becoming popular and, to date, many techniques are available to perform it ...
Davide Marelli   +2 more
doaj   +1 more source

Neural networks based recognition of 3D freeform surface from 2D sketch [PDF]

open access: yes, 2005
In this paper, the Back Propagation (BP) network and Radial Basis Function (RBF) neural network are employed to recognize and reconstruct 3D freeform surface from 2D freehand sketch.
Qin, SF, Sun, G, Wright, DK
core   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

An End-to-End Approach to Reconstructing 3D Model From Image Set

open access: yesIEEE Access, 2020
Large-scale 3D reconstruction from imagery has received much attention from the computer vision community. However, recovering 3D structures from 2D images is a notoriously complex process that requires expertise with often limited results.
Youcheng Cai   +3 more
doaj   +1 more source

Deep Single-View 3D Object Reconstruction with Visual Hull Embedding

open access: yes, 2018
3D object reconstruction is a fundamental task of many robotics and AI problems. With the aid of deep convolutional neural networks (CNNs), 3D object reconstruction has witnessed a significant progress in recent years.
Liang, Wei   +3 more
core   +1 more source

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