Reconstruction from Photometric Stereo
Photometric stereo reconstruction for surface analysis of mucosal tissue
... imaging, photometric stereo (PS) has recently been explored in applications ranging from dermatology [3] to laparoscopy ...metric stereo to mucosal tissue, which is tissue that is typically ...
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Reconstruction of Lambertian Surfaces from Photometric Stereo
... obtained from the imaging lab. As explained in chapter 2, the idea of photometric stereo is to vary the direction of the incident illumination between successive views while holding the viewing ...
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An efficient and practical 3D face scanner using near infrared and visible photometric stereo
... One current limitation of the hardware described in this paper is that it does not cope with large deviations of peoples’ height. Extremely tall or short people, or wheelchair bound persons would probably trigger the ...
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In vivo measurement of skin microrelief using photometric stereo in the presence of interreflections
... novel photometric stereo based technique for in vivo assessment of three-dimensional (3D) skin topography in the presence of ...surface reconstruction for all Caucasian, Asian and African American ...
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An improved photometric stereo through distance estimation and light vector optimization from diffused maxima region
... Although photometric stereo offers an attractive technique for acquiring 3D data using low-cost equipment, inherent limitations in the methodology have served to limit its practical application, ...
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Face recognition and verification using photometric stereo: The photoface database and a comprehensive evaluation
... on photometric stereo (PS): the Photoface ...necessary from the ...map reconstruction) affect recognition and verification ...optimal reconstruction and recognition algorithms for use ...
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Long range concealed object detection through active covert illumination
... geometric stereo, only provide a coarse grained reconstruction of the scene and are ill-suited to fine ...analysis. Photometric stereo is a well established technique providing dense, ...
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High Map Shape Estimation from Gray Real Images based on Integrability Condition and Fourier Descriptor
... Shading, photometric stereo and shape from contour are three fundamental problems in Computer Vision aimed at reconstructing surface depth given either a single image taken under a known light source ...
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Average Surface Roughness Measurement Using Photometric Stereo Method
... captured from the Basler Ace Digital Gigabit Ethernet camera with a 16× optical zoom ...acquired from each tilt angle are precisely performed by the CMM’s ...shape reconstruction results can be ...
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3D face recognition using photometric stereo
... calculated from a point at the centre of the camera’s field of view and this is used for all reconstructions regardless of where the face is actually ...learn from this and include the ...
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Fast 3D recognition for forensics and counter terrorism applications
... reconstructed from saved footage: their position and orientation of the 3D facial models can then be automatically manipulated to match existing 2D photographs of suspects in a database at a higher accuracy than a ...
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3D Reconstruction Using a Stereo Vision System with Simplified Inter-Camera Geometry
... Another approach for self-calibrating a camera consists in upgrading the projective structure of a scene into an affine one from which the metric reconstruction can be eas- ily obtained. This can be ...
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An Application of Stereo Matching Algorithm for Waste Bin Level Estimation
... based stereo matching algorithms are developed for extraction depth information from two colour stereo image pair of waste ...technique from a disparity map is a key part of this ...calculated ...
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Stereo Vision Based Depth Estimation Algorithm In Uncalibrated Rectification
... directly from the inlier points resulting from the fundamental ...for stereo matching can be classified in two basic categories: Feature-based algorithms and area based algorithms ...elements ...
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Accurate high resolution 3D surface reconstruction and localisation using a wide angle flat port underwater stereo camera: towards autonomous ship hull inspection
... cameras from 2010, Telem and Filin [98] applied single interface approximation and approximated refractive forward ...images from different camera ...multi-view reconstruction accuracy were also ...
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3D Dense Reconstruction of Plant or Tree Canopy Based on Stereo Vision
... In this paper, a revised 3D reconstruction method using stereo vision was introduced. Camera matrices for left and right cameras were calibrated in the world coordinate system. An image rectification method ...
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Optical techniques for 3D surface reconstruction in computer assisted laparoscopic surgery
... Deformable Shape-from-Motion. In the context of MIS, rigid SfM has primarily been applied in SLAM-based algorithms, as shown in sec. 4. The current research in applying DSfM to la- paroscopy mainly follows the ...
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2D to 3D Image Conversion Using Machine Learning Approach
... In [1] the authors proposed a fully convolutional deep neural network loosely inspired by the supervised DispNet architecture of Mayer et al. [10]. They treat depth estimation problem as an image reconstruction ...
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The VANDELS ESO spectroscopic survey
... feedback from active galactic nuclei (AGN), stellar winds, merging and environmental/mass driven quenching have all been widely discussed in the recent literature ...different from their low-redshift ...
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Improved Stereo Matching With Boosting Method
... At first, images are preprocessed to reduce the illumination variances. Then stereo matching is applied on the processed images [1]. The preprocessing method is based on the work in [19]. This basically involves ...
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