Výsledky vyhledávání - Image Processing and Computer Vision—Digitization and Image Capture

Mobile Surface Reflectometry Autor Riviere, J., Peers, P., Ghosh, A.

“…We present two novel mobile reflectometry approaches for acquiring detailed spatially varying isotropic surface reflectance and mesostructure of a planar…”
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Compressive Dual Photography Autor Sen, Pradeep, Darabi, Soheil

“…The accurate measurement of the light transport characteristics of a complex scene is an important goal in computer graphics and has applications in relighting and dual photography…”
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Projective Blue-Noise Sampling Autor Reinert, Bernhard, Ritschel, Tobias, Seidel, Hans-Peter, Georgiev, Iliyan

“… purpose. For image reconstruction, our method outperforms traditional blue‐noise sampling when the variation in the signal is concentrated along one dimension…”
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Multisampling Compressive Video Spectroscopy Autor Jeon, Daniel S., Choi, Inchang, Kim, Min H.

“… Despite allowing concurrent capture of hyperspectral video, spatial modulation in CASSI sacrifices image resolution significantly while reconstructing spectral projection via sparse sampling…”
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Radiometric Transfer: Example-based Radiometric Linearization of Photographs Autor Li, Han, Peers, Pieter

“…We present an example‐based approach for radiometrically linearizing photographs that takes as input a radiometrically linear exemplar image and a target regular uncalibrated image of the same scene, possibly…”
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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

“…We present a statistical method for the estimation of the Spatially Varying Bidirectional Reflectance Distribution Function (SVBRDF) of an object with complex…”
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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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Data Driven Surface Reflectance from Sparse and Irregular Samples Autor Ruiters, Roland, Schwartz, Christopher, Klein, Reinhard

“… Capturing images of the object under varying illumination and view conditions results in irregular angular samplings of the reflectance function with a limited angular resolution. Classical data…”
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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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Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization Autor Havran, V., Filip, J., Myszkowski, K.

“…The Bidirectional Texture Function (BTF) is becoming widely used for accurate representation of real‐world material appearance. In this paper a novel BTF…”
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Reflectance and Illumination Estimation for Realistic Augmentations of Real Scenes Autor Jiddi, Salma, Robert, Philippe, Marchand, Eric

“…The acquisition of surface material properties and lighting conditions is a fundamental step for photo-realistic Augmented Reality (AR). In this paper, we…”
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Time-of-Flight Cameras in Computer Graphics Autor Kolb, A., Barth, E., Koch, R., Larsen, R.

“… The estimation of a range map by image analysis or laser scan techniques is still a time‐consuming and expensive part of such systems. A lower…”
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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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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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Panorama light-field imaging Autor Birklbauer, C., Bimber, O.

“…‐perspective image stitching, our approach is the first that processes ray entries directly and does not require depth reconstruction or matching of image features…”
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Computational Plenoptic Imaging Autor Wetzstein, Gordon, Ihrke, Ivo, Lanman, Douglas, Heidrich, Wolfgang

“…The plenoptic function is a ray‐based model for light that includes the colour spectrum as well as spatial, temporal and directional variation. Although…”
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Rendering Gigaray Light Fields Autor Birklbauer, C., Opelt, S., Bimber, O.

“… We consider applications such as light‐field photography and the visualization of large image stacks from modern scanning microscopes…”
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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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Practical Low-Cost Recovery of Spectral Power Distributions Autor Alvarez-Cortes, Sara, Kunkel, Timo, Masia, Belen

“… We present here the image formation model and the calibration process necessary to recover the spectrum, including spectral calibration and amplitude recovery…”
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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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