Results 51 to 60 of about 188,468 (230)
A Variational Stereo Method for the Three-Dimensional Reconstruction of Ocean Waves [PDF]
, 2011 We develop a novel remote sensing technique for the observation of waves on the ocean surface. Our method infers the 3-D waveform and radiance of oceanic sea states via a variational stereo imagery formulation.
Benetazzo, Alvise +3 more
core +3 more sources
Automated Optical Inspection System for O-Ring Based on Photometric Stereo and Machine Vision
Applied Sciences, 2021 This research developed an AOI (automated optical inspection) system for the O-Ring inspection. First, an AOI system was implemented to detect surface scratches, flow marks, non-fills, and indentations on elastomer O-Rings with high surface reflection ...
Fu-Sheng Yang +2 more
doaj +1 more source
DeepPS2: Revisiting Photometric Stereo Using Two Differently Illuminated Images [PDF]
European Conference on Computer Vision, 2022 Photometric stereo, a problem of recovering 3D surface normals using images of an object captured under different lightings, has been of great interest and importance in computer vision research.
Ashish Tiwari, S. Raman
semanticscholar +1 more source
Fast Compressive 3D Single-pixel Imaging [PDF]
, 2016 In this work, we demonstrate a modified photometric stereo system with perfect pixel registration, capable of reconstructing continuous real-time 3D video at ~8 Hz for 64 x 64 image resolution by employing evolutionary compressed ...
Edgar, Matthew +4 more
core +1 more source
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
doaj +1 more source
Neural Radiance Fields Approach to Deep Multi-View Photometric Stereo [PDF]
IEEE Workshop/Winter Conference on Applications of Computer Vision, 2021 We present a modern solution to the multi-view photometric stereo problem (MVPS). Our work suitably exploits the image formation model in a MVPS experimental setup to recover the dense 3D reconstruction of an object from images.
Berk Kaya +4 more
semanticscholar +1 more source
Multi-View Stereo with Single-View Semantic Mesh Refinement [PDF]
, 2017 While 3D reconstruction is a well-established and widely explored research topic, semantic 3D reconstruction has only recently witnessed an increasing share of attention from the Computer Vision community.
Ciccone, Marco +3 more
core +2 more sources
Joint optimisation model for light source position based on a combined target [PDF]
MATEC Web of ConferencesPhotometric stereo vision, as a non-contact three-dimensional imaging technology, can achieve fast and high-precision reconstruction of normal vectors and three-dimensional morphology of object surfaces by resolving the intensity changes under different ...
Kong Xiangjin +5 more
doaj +1 more source
Robust Photometric Stereo Using Learned Image and Gradient Dictionaries
, 2017 Photometric stereo is a method for estimating the normal vectors of an object from images of the object under varying lighting conditions. Motivated by several recent works that extend photometric stereo to more general objects and lighting conditions ...
Moore, Brian E. +2 more
core +1 more source
Mesh-based 3D Textured Urban Mapping [PDF]
, 2017 In the era of autonomous driving, urban mapping represents a core step to let vehicles interact with the urban context. Successful mapping algorithms have been proposed in the last decade building the map leveraging on data from a single sensor.
Fiorenti, Daniele +2 more
core +2 more sources