Results 31 to 40 of about 158,596 (115)

Photometric stereo for 3D face reconstruction using non-linear illumination models [PDF]

, 2016
Face recognition in presence of illumination changes, variant pose and different facial expressions is a challenging problem. In this paper, a method for 3D face reconstruction using photometric stereo and without knowing the illumination directions and ...
Gkelias, Athanasios, Barbara Villarini, Vasilios Argyriou, Villarini, Barbara, Argyriou, Vasileios, Argyriou, V., Athanasios Gkelias, Villarini, B., Gkelias, A.   +8 more
core   +1 more source

Polarisation photometric stereo [PDF]

, 2017
© 2017 This paper concerns a novel approach to fuse two-source photometric stereo (PS) data with polarisation information for complete surface normal recovery for smooth or slightly rough surfaces.
Atkinson, Gary, Gary A. Atkinson
core   +1 more source

Reconstruction of Lambertian Surfaces from Photometric Stereo

, 2005
The objective of this thesis is to implement and compare two algorithms to reconstruct the shape of an object from photometric stereo. Photometric stereo is a practical technique for determining an object's shape and surface reflectance properties at a ...
Sethuram, Amrutha Shree
core  

Multiview Photometric Stereo Using Planar Mesh Parameterization

, 2013
We propose a method for accurate 3D shape reconstruction using uncalibrated multiview photometric stereo. A coarse mesh reconstructed using multiview stereo is first parameterized using a planar mesh parameterization technique.
Yasuyuki Matsushita, Tai, Yu-Wing, In So Kweon, Jaesik Park, Yu-Wing Tai, Park, Jaesik, Sinha, Sudipta N., Sudipta N. Sinha, Kweon, In So, Kweon, In-So, Matsushita, Yasuyuki   +10 more
core   +1 more source

Sensor node localisation using a stereo camera rig [PDF]

, 2007
In this paper, we use stereo vision processing techniques to detect and localise sensors used for monitoring simulated environmental events within an experimental sensor network testbed.
Dermot Diamond, Beirne, Stephen, Kelly, Philip, Philip Kelly, Diamond, Dermot, Alan F. Smeaton, Noel E. O'Connor, Corcoran, Brian, Roderick Shepherd, O'Connor, Noel E., Lau, King-Tong, Stephen Beirne, King Tong Lau, Smeaton, Alan F., O\u27Connor, Noel E., Brian Corcoran   +15 more
core   +2 more sources

Photometric-Stereo-Based Defect Detection System for Metal Parts. [PDF]

Sensors (Basel), 2022
Cao Y, Ding B, Chen J, Liu W, Guo P, Huang L, Yang J.   +6 more
europepmc   +1 more source

Evaluation of Stereo Matching Costs on Images with Radiometric Differences [PDF]

, 2009
Stereo correspondence methods rely on matching costs forcomputing the similarity of image locations. We evaluate the insensitivity of different costs for passive binocular stereo methods with respect to radiometric variations of the input images.
Hirschmüller, Heiko, Scharstein, Daniel
core  

Photometric Stereo Using Internet Images

, 2014
Photometric stereo using unorganized Internet images is very challenging, because the input images are captured under unknown general illuminations, with uncontrolled cameras.
Yasuyuki Matsushita, Katsushi Ikeuchi, Yeung, Sai Kit, Shi, Boxin, Ikeuchi, Katsushi, Inose, Kenji, Tan, Ping, Boxin Shi, Sai-Kit Yeung, Kenji Inose, Ping Tan, Matsushita, Yasuyuki   +11 more
core   +1 more source

Dense Depth Estimation from Stereo Endoscopy Videos Using Unsupervised Optical Flow Methods. [PDF]

Med Image Underst Anal, 2021
Yang Z, Simon R, Li Y, Linte CA.
europepmc   +1 more source

Examining the uncertainty of the recovered surface normal in three light photometric stereo

, 2007
Although the three light photometric stereo technique has been used in many applications, there is little published work concerned with characterizing the uncertainty of these systems due to the involvement of a number of complicating factors. This paper
Smith, Lyndon, Sun, Jiuai, Smith, Melvyn, Farooq, Abdul   +3 more
core   +1 more source