Výsledky vyhledávání - I.4.1 [Image Processing and Computer Vision]: Digitisation and image capture - image geometry

Image Capture by Computer Autor Cipra, Barry A.

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New sensor geometries for image processing: Computer vision in the polar exponential grid Autor Schenker, P., Cande, E., Wong, K., Patterson, W.

“…) transformation, in the context of image analysis. The PEG transformation is an isomorphic (1) representation of the image intensity array that simplifies, and potentially offers new insights about, a variety of tasks in computational vision…”
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Image Interpolation by Pixel-Level Data-Dependent Triangulation Autor Su, Dan, Willis, Philip

“…We present a novel image interpolation algorithm. The algorithm can be used in arbitrary resolution enhancement, arbitrary rotation and other applications of still images in continuous space. High…”
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Auto-calibration of multi-projector displays with a single handheld camera Autor Sanghun Park, Hyunggoog Seo, Seunghoon Cha, Junyong Noh

“… Moreover, the observation of the entire area by the camera is almost impossible for a small space surrounded by walls as there is not enough distance for the camera to capture the entire scene…”
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Image-to-Geometry Registration: a Mutual Information Method exploiting Illumination-related Geometric Properties Autor Corsini, Massimiliano, Dellepiane, Matteo, Ponchio, Federico, Scopigno, Roberto

“…This work concerns a novel study in the field of image‐to‐geometry registration. Our approach takes inspiration from medical imaging, in particular from multi…”
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Time-of-Flight Cameras in Computer Graphics Autor Kolb, A., Barth, E., Koch, R., Larsen, R.

“…‐cost and compact ToF devices, which have the potential to revolutionize many fields of research, including computer graphics, computer vision and human machine interaction (HMI…”
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A camera-based calibration for automotive augmented reality Head-Up-Displays Autor Wientapper, Folker, Wuest, Harald, Rojtberg, Pavel, Fellner, Dieter

“…Using Head-up-Displays (HUD) for Augmented Reality requires to have an accurate internal model of the image generation process, so that 3D content can be visualized perspectively correct from the viewpoint of the user…”
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Turning a Digital Camera into an Absolute 2D Tele‐Colorimeter Autor Guarnera, G. C., Bianco, S., Schettini, R.

“…We present a simple and effective technique for absolute colorimetric camera characterization, invariant to changes in exposure/aperture and scene irradiance, suitable in a wide range of applications including image…”
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Design and Fabrication of Faceted Mirror Arrays for Light Field Capture Autor Fuchs, Martin, Kächele, Markus, Rusinkiewicz, Szymon

“…The high resolution of digital cameras has made single‐shot, single‐sensor acquisition of light fields feasible, though considerable design effort is still…”
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General Point Sampling with Adaptive Density and Correlations Autor Roveri, Riccardo, Öztireli, A. Cengiz, Gross, Markus

“…Analyzing and generating sampling patterns are fundamental problems for many applications in computer graphics…”
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BSSRDF Estimation from Single Images Autor Munoz, Adolfo, Echevarria, Jose I., Seron, Francisco J., Lopez-Moreno, Jorge, Glencross, Mashhuda, Gutierrez, Diego

“… of suboptimal input data inferred from the image. We then fit to a smoother monotonically decreasing model, ensuring continuity on its first derivative…”
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A Statistical Method for SVBRDF Approximation from Video Sequences in General Lighting Conditions Autor Palma, Gianpaolo, Callieri, Marco, Dellepiane, Matteo, Scopigno, Roberto

“…) of an object with complex geometry, starting from video sequences acquired with fixed but general lighting conditions…”
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Parallel Blue-noise Sampling by Constrained Farthest Point Optimization Autor Chen, Renjie, Gotsman, Craig

“…We describe a fast sampling algorithm for generating uniformly‐distributed point patterns with good blue noise characteristics. The method, based on…”
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Data Driven Surface Reflectance from Sparse and Irregular Samples Autor Ruiters, Roland, Schwartz, Christopher, Klein, Reinhard

“… However, the acquisition of this data is a challenging task especially if complex object geometry is involved…”
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3D Slit Scanning with Planar Constraints Autor Leotta, Matthew J., Vandergon, Austin, Taubin, Gabriel

“… The parameters of the plane of laser light linearly parametrize a homography between a pair of images of the laser points…”
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Inexpensive Immersive Projection Autor Yuen, Nancy P. Y., Thibault, William C.

“… We present a technique for rendering perspectively correct images using a casual arrangement of a projector, a mirror and a display surface…”
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A Concept for Applying VR and AR Technologies to Support Efficient 3D Non-contact Model Digitalization Autor Schoor, Wolfram, Masik, Steffen, Tumler, Johannes, Adler, Simon, Hofmann, Marc, Trostmann, Erik

“…In this paper a new interactive digitization concept for large real world objects is described using the virtual reality (VR…”
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Image Based Interactive Rendering with View Dependent Geometry Autor Evers-Senne, J.-F., Koch, R.

“…In this paper we present a novel approach for interactive rendering of virtual views from real image…”
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A Fast Method for Large-Scale Scene Data Acquisition and 3D Reconstruction Autor Li, Yao, Xie, Yang, Wang, Xijing, Luo, Xun, Qi, Yue

“…Large-scale 3D scene has an important application prospect in virtual reality and augmented reality. However, due to the doubling of the amount of data in the…”
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[POSTER] Augmenting Mobile C-arm Fluoroscopes via Stereo-RGBD Sensors for Multimodal Visualization Autor Habert, Severine, Ma Meng, Kehl, Wadim, Xiang Wang, Tombari, Federico, Fallavollita, Pascal, Navab, Nassir

“… The goal of this work is to design a flexible system comprising two RGBD sensors that can be attached to any mobile C-arm, with the objective of synthesizing projective color images from the X-ray source viewpoint…”
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