Results 11 to 20 of about 7,550 (263)
Photometric Stereo Using Internet Images [PDF]
2014 2nd International Conference on 3D Vision, 2014 Photometric stereo using unorganized Internet images is very challenging, because the input images are captured under unknown general illuminations, with uncontrolled cameras. We propose to solve this difficult problem by a simple yet effective approach that makes use of a coarse shape prior.
Boxin Shi +5 more
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Approach to getting images of objects based on indirect laser location data [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2021 Subject of Research. The paper presents an approach to obtaining images of objects based on indirect laser location data. The concept of recording and processing photometric data about an object is developed, which implies the joint usage of an optical ...
Andrey N. Grigor’ev +2 more
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Sensors, 2022 This paper presents an automatic system for the quality control of metallic components using a photometric stereo-based sensor and a customized semantic segmentation network.
Fátima A. Saiz +3 more
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3D POINT CLOUD MODEL COLORIZATION BY DENSE REGISTRATION OF DIGITAL IMAGES [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 Architectural heritage is a historic and artistic property which has to be protected, preserved, restored and must be shown to the public. Modern tools like 3D laser scanners are more and more used in heritage documentation.
N. Crombez, G. Caron, E. Mouaddib
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Control of Optical Clearing of Human Skin by Ellipsoidal Reflector Method
Mìkrosistemi, Elektronìka ta Akustika, 2019 Current research deals with the problem of optical clearing during photometry by ellipsoidal reflectors. The specific problem is optical clearing of human skin, specifically the level control tasks during non-invasive conditions of experiment.
Mikhail O. Bezuglyi +2 more
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The Dynamic Photometric Stereo Method Using a Multi-Tap CMOS Image Sensor
Sensors, 2018 The photometric stereo method enables estimation of surface normals from images that have been captured using different but known lighting directions. The classical photometric stereo method requires at least three images to determine the normals in a ...
Takuya Yoda +5 more
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RMAFF-PSN: A Residual Multi-Scale Attention Feature Fusion Photometric Stereo Network
Photonics, 2023 Predicting accurate normal maps of objects from two-dimensional images in regions of complex structure and spatial material variations is challenging using photometric stereo methods due to the influence of surface reflection properties caused by ...
Kai Luo +4 more
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Detection of Variable Stars in the Open Cluster M11 Using Difference Image Analysis Pipeline [PDF]
Journal of Astronomy and Space Sciences, 2010 We developed a photometric pipeline to be used for a wide field survey. This pipeline employs the difference image analysis (DIA) method appropriate for the photometry of star dense field such as the Galactic bulge.
Chung-Uk Lee +5 more
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ACCURACY OF 3D RECONSTRUCTION IN AN ILLUMINATION DOME [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 The accuracy of 3D surface reconstruction was compared from image sets of a Metric Test Object taken in an illumination dome by two methods: photometric stereo and improved structure-from-motion (SfM), using point cloud data from a 3D colour laser ...
L. MacDonald +5 more
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Proceedings of the International Conference on Applied Innovations in IT, 2023 This paper addresses the problem of novel view synthesis using Neural Radiance Fields (NeRF) for scenes with dynamic illumination. NeRF training utilizes photometric consistency loss that is pixel-wise consistency between a set of scene images and ...
Olena Kolodiazhna +3 more
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