25,201 Hits in 2.5 sec

Diffusion-based three-dimensional reconstruction of complex surface using monocular vision

Yangjie Wei, Chengdong Wu, Yi Wang, Wenxue Wang
2015 Optics Express  
Three-dimensional (3D) reconstruction based on optical diffusion has certain significant advantages, such as its capacity for high-precision depth estimation with a small lens, distant-object depth estimation  ...  Second, the novel 3D reconstruction method based on global heat diffusion is proposed, which incorporates the relationship between the depth information and the degree of diffusion.  ...  The authors also thank for the support by the State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences (CAS).  ... 
doi:10.1364/oe.23.030364 pmid:26698516 fatcat:nb4hwgznu5c2jnubvdo2e6bsaa

Real-Time 3D Shape of Micro-Details [article]

Maryam Khanian, Ali Sharifi Boroujerdi, Michael Breuss
2018 arXiv   pre-print
Motivated by the growing demand for interactive environments, we propose an accurate real-time 3D shape reconstruction technique.  ...  We demonstrate the potential benefits of our hybrid model by providing 3D shape with highly-detailed information from micro-prints for the first time.  ...  Our faithful 3D reconstructions with a high amount of details even for tiny surfaces containing low-depth details (e.g. Coping) represent the proficiency of our approach.  ... 
arXiv:1802.06140v1 fatcat:w66yzlzq2nd7pcgena5lbda7qm

Computer holography: 3D imaging of virtual and real objects

Kyoji Matsushima
2011 SPIE Newsroom  
Introduction The technology of computer-generated holograms (CGH) for display purposes is sometimes called the final 3D technology, because reconstructed 3D images give viewers almost all depth cues.  ...  However, the technique of CGH could not create fine 3D images equal with that by classical holography for a long time.  ...  Introduction The technology of computer-generated holograms (CGH) for display purposes is sometimes called the final 3D technology, because reconstructed 3D images give viewers almost all depth cues.  ... 
doi:10.1117/2.1201103.003639 fatcat:audphgcjozfofd67s5clqefpgi

Real-Time Depth Refinement for Specular Objects [article]

Roy Or - El, Rom Hershkovitz, Aaron Wetzler, Guy Rosman, Alfred M. Bruckstein, Ron Kimmel
2016 arXiv   pre-print
Using this model, we reconstruct the depth map in real-time. Both quantitative tests and visual evaluations prove that the proposed method produces state of the art depth reconstruction results.  ...  We present a novel shape from shading framework that addresses this issue and enhances both diffuse and specular objects' depth profiles.  ...  Here, we propose a novel real-time framework for depth enhancement of non-diffuse surfaces. To that end, we use the IR image supplied by the depth scanners.  ... 
arXiv:1511.08886v2 fatcat:y7rvqmswu5dt7ohrdm3xftasha

Better Together: Joint Reasoning for Non-rigid 3D Reconstruction with Specularities and Shading [article]

Qi Liu-Yin, Rui Yu, Lourdes Agapito, Andrew Fitzgibbon, Chris Russell
2017 arXiv   pre-print
We demonstrate the use of shape-from-shading (SfS) to improve both the quality and the robustness of 3D reconstruction of dynamic objects captured by a single camera.  ...  Moving beyond Lambertian S f S , we propose a general approach that models both specularities and shading while simultaneously tracking and reconstructing general dynamic objects.  ...  readily be applied to RGB-D and multi-camera based approaches, and the increased robustness and detailed reconstructions it brings is likely to be of use to the wider community.  ... 
arXiv:1708.01654v1 fatcat:gp2wz3senncmbibikcidiijesu

Real-Time Depth Refinement for Specular Objects

Roy Or-El, Rom Hershkovitz, Aaron Wetzler, Guy Rosman, Alfred M. Bruckstein, Ron Kimmel
2016 2016 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)  
Yet, the preci- Here, we propose a novel real-time framework for depth sion of existing depth scanners is not accurate enough to re- enhancement of non-diffuse surfaces.  ...  Real-time shading-based refinement for ity photometric reconstruction using a depth camera. In consumer depth cameras.  ... 
doi:10.1109/cvpr.2016.474 dblp:conf/cvpr/Or-ElHWRBK16 fatcat:lqs7xd6r7nfvbb65dlwiefm2ka

Information technology of the pitting three-dimensional reconstruction by halftone images
Zastosowanie technologii informatycznej do trójwymiarowej rekonstrukcji pittingów przez analizę

Bohdan Rusyn, Natalia Hrabovska, Vitali Ivaniuk, Jura Lysak, Jeremi Varetsky
2015 Mechanik  
An example of the practical application of the developed information technology for 3D surface reconstruction of real pitting is shown.  ...  At the first step a vertical pitting section reconstructed in the form of vertical derivative of the normal vector, and evaluation of the pitting section depth found by accumulation of integral vertical  ...  For 3D reconstruction using video information (direction of illumination light source pitting, placed on the tube of steel 17HS.  ... 
doi:10.17814/mechanik.2015.3.154 fatcat:smkj4af3g5b7xnyzwzmeuaeuji

Photometric stereo for strong specular highlights

Maryam Khanian, Ali Sharifi Boroujerdi, Michael Breuß
2018 Computational Visual Media  
We address 3D reconstruction by use of a more realistic set of assumptions, combining for the first time the complete Blinn-Phong reflectance model and perspective projection.  ...  The vast majority of studies in this 3D reconstruction method assume orthographic projection for the camera model.  ...  The authors would like to thank the anonymous reviewers for helpful comments to improve the quality of the paper.  ... 
doi:10.1007/s41095-017-0101-9 fatcat:e6f6jgoeavglhdleqwe2t6h3wq

3D Surface Reconstruction Using Polynomial Texture Mapping [chapter]

Mohammed Elfarargy, Amr Rizq, Marwa Rashwan
2013 Lecture Notes in Computer Science  
A single PTM is used to generate a uniformly lit diffuse map, a normal map and a height map. The three maps are used to reconstruct a 3D texture-mapped surface.  ...  A lot of research has been conducted on 3D surface reconstruction using multiple images of fixed view point and varying lighting conditions.  ...  Thanks to Hewlett-Packard Labs and the Cultural Heritage Imaging Board of Directors, contributors and volunteers for supporting this work.  ... 
doi:10.1007/978-3-642-41914-0_35 fatcat:oplg5mm4brdonmucpamg556gki

Polarimetric Multi-view Stereo

Zhaopeng Cui, Jinwei Gu, Boxin Shi, Ping Tan, Jan Kautz
2017 2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)  
for dense 3D reconstruction.  ...  In ad- normals (i.e., azimuth angles and zenith angles), and thus dition, almost all prior work assumes either pure diffuse useful for 3D reconstruction.  ... 
doi:10.1109/cvpr.2017.47 dblp:conf/cvpr/CuiGSTK17 fatcat:tqy22jbhxrcipe3mboxbdf7wla

New techniques for wave-field rendering of polygon-based high-definition CGHs

Hirohito Nishi, Kentaro Higashi, Yasuaki Arima, Kyoji Matsushima, Sumio Nakahara, Hans I. Bjelkhagen
2011 Practical Holography XXV: Materials and Applications  
The first is algorithm for creating specular surfaces based on Phong reflection model. This is very useful for providing a feel of material to polygonal surfaces.  ...  Another technique for creating PBHD-CGH of real-existent objects is also proposed by a CG-like method using a 3D laser scanner that measures the 3D shape of the object.  ...  Kanaya for his assistance in 3D scan of live faces. The mesh data for the Venus object is provided courtesy of INRIA by the AIM@SHAPE Shape Repository.  ... 
doi:10.1117/12.876362 fatcat:oihxqs5jy5hgnieayushkvnil4

Wave-Field Rendering in Computational Holography: The Polygon-Based Method for Full-Parallax High-Definition CGHs

Kyoji Matsushima
2010 2010 IEEE/ACIS 9th International Conference on Computer and Information Science  
The holograms created, reconstruct a true fine 3D image of occluded scenes, which creates a strong sensation of depth due to motion parallax.  ...  These polygon-based techniques are developed for the creation of high-definition CGHs.  ...  In addition, the reconstruction of occlusion in 3D scenes is also significant for depth sensation.  ... 
doi:10.1109/icis.2010.31 dblp:conf/ACISicis/Matsushima10 fatcat:hz7ckjm4o5gvxcbjggnrzqcjcq

Real-time, realistic full-body 3D reconstruction and texture mapping from multiple Kinects

Dimitrios S. Alexiadis, Dimitrios Zarpalas, Petros Daras
2013 IVMSP 2013  
Real-time, full-body 3D reconstruction, an important task for TI applications, is addressed in this paper.  ...  The reconstruction uses the input from multiple consumer depth cameras and specifically Kinect sensors.  ...  CONCLUSIONS We presented a complete system for realistic 3D reconstruction of moving humans, which can used in real-time applications, such as 3D TI.  ... 
doi:10.1109/ivmspw.2013.6611939 dblp:conf/ivmsp/AlexiadisZD13 fatcat:rh32rmsjwjb5dmbxz46lftiqbm

Simple wave-field rendering for photorealistic reconstruction in polygon-based high-definition computer holography

Kyoji Matsushima
2012 Journal of Electronic Imaging (JEI)  
The presented method takes less computation time than common point-source methods and produces fine spatial 3D images of deep 3D scenes that convey a strong sensation of depth, unlike conventional 3D systems  ...  However, smooth surfaces cannot be reconstructed using the presented method because the surfaces are approximated by planar polygons.  ...  Kanaya of Osaka University for his assistance in the 3D scan of live faces. The mesh data for the moai objects were provided courtesy of Yutaka_Ohtake by the AIM@SHAPE Shape Repository.  ... 
doi:10.1117/1.jei.21.2.023002 fatcat:4vn2t3e2lnhx7bizyizsftyg3m

Disparity map refinement and 3D surface smoothing via directed anisotropic diffusion

Atsuhiko Banno, Katsushi Ikeuchi
2011 Computer Vision and Image Understanding  
Second, we show a method to fill some holes in a distance map and smooth the reconstructed 3D surfaces by using another type of Anisotropic Diffusion technique.  ...  We exclude these assumptions and introduce a Directed Anisotropic Diffusion technique for refining a disparity map.  ...  In addition, we proposed a smoothing technique for reconstructed 3D surfaces by another type of anisotropic diffusion and hole-filling technique that uses color information.  ... 
doi:10.1016/j.cviu.2010.11.020 fatcat:mlqpapfulzek7is7irhbsrcl7e
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