Diffuse and specular reflection
Unifying Diffuse and Specular Reflections for the Photometric Stereo Problem
... both diffuse and specular reflection components in a general lighting ...both diffuse and specular reflections as well as non-linear light propagation features ...
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Diffuse Reflection Radius in a Simple Polygon
... Diffuse reflection paths have received increasing attention since the mid-1990s when Tokarsky [34] answered a question of Klee [24, 25], proving that a light source may not cover the interior of the simple ...
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Influence of leaf specular reflection on canopy radiative regime using an improved version of the stochastic radiative transfer model
... leaf specular reflection into RT ...leaf specular reflection, i.e., both diffuse and specular parts are considered [ 17 , 19 – 21 ...leaf specular reflection on ...
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Specular color imaging on a metallic substrate
... Introduction Metal substrates are increasingly used in the packaging industry. Packaging design has the primary goal to attract the customers’ attention by communicating emotions. At present, most of today's package ...
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Specular and diffuse reflectance of phase-separated polymer blend films
... enhanced diffuse reflectance relative to as-cast and thermally annealed phase-separated films that are rela- tively ...The diffuse reflectance increased with greater surface-roughened area as controlled by ...
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Direct Differential Photometric Stereo Shape Recovery of Diffuse and Specular Surfaces
... Once we assume that objects reflect light diffusely, the most complex case subsists whenever no information is available about the lighting setup. In such uncali- brated scenario, both the surface properties and lighting ...
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Thermal non-line-of-sight imaging from specular and diffuse reflections
... the reflection on the wall can be separated into diffuse and specular components, whose light paths depend on the position of the hidden object, and the intensities relate to the ...
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Study of the processes of layer growth and ion beam etching using specular and diffuse X-ray scattering
... Figure 1-7: Reflectivity versus energy for grazing incidence mirror coated with different materials systems. The aperiodic multilayer structure was calculated using the “a b c“ model parameters which are in given in the ...
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Specular. Specular is direct and indirect reflections which can be made glossy (blurred).
... Specular Weight 0 to 1 Roughness Controls the glossiness of the specular reflections. The lower the value, the sharper the reflection. In the limit, a value of 0 will give you a perfectly sharp ...
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The Potential of Specular Reflections for Facade Image Analysis
... called diffuse reflection is proportional to the cosine of the angle between the surface’s normal vector and the vector to the light ...to diffuse reflections, specular reflec- tions do not ...
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An accurate treatment of diffuse reflection boundary conditions for a stochastic particle Fokker-Planck algorithm with large time steps
... For specular re‡ection, one can simply use the algo- rithm of [11] with large time steps with the following ...combining specular and di¤use re‡ection with an proper accommodation coe¢ ...
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CiteSeerX — Fast Image-based Separation of Diffuse and Specular Reflections
... separating diffuse and specular reflections of real objects under distant environmental ...the specular and diffuse reflections can be separated by computing the maximum and minimum observed ...
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CiteSeerX — parameter on diffuse reflection of light
... It has also been shown that measuring the path-length distribution, and using the measured data in the standard DWS theory (instead of calculations based on the diffusion approxima- tion)[r] ...
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Absolute height measurement of specular surfaces with modified active fringe reflection photogrammetry
... freeform specular surfaces, which integrates a virtual reference specular surface into the method of active fringe reflection delfectometry and presents a straight-forward relation between height and ...
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Operating instructions Diffuse reflection sensor. OJ50xx / / 2004
... If the setting button is not activated for 15 minutes during the programming process, the unit passes automatically into the operating mode with the sensitivity being unchanged.. To a[r] ...
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Calculating Angle Lambda (λ) Using Zernike Tilt Measurements in Specular Reflection Corneal Topography
... Angle λ can be calculated out of these images by calculating the tilt of the iris plane in the image with respect to the fixation target, as it is done by the Orbscan.6,19 In Placido–rin[r] ...
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Specular reflection. Dielectrics and Distribution in Ray Tracing. Snell s Law. Ray tracing dielectrics
... – blur shadows with distributed shadow rays – blur reflections with distributed reflection rays – camera lens blur with distributed eye points – motion blur with distributed ray times. ©[r] ...
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Specular Reflection FTIR: A Non- Contact Method for Analyzing Coatings on Photographs and Other Cultural Materials
... using specular reflection mode on different FTIR instruments operated by different ...the specular reflection library and methodology for different ...
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Synthetic image generator model: Application of specular and diffuse reflectivity components and performance evaluation in the visible region
... Synthetic image generator model: Application of specular and diffuse reflectivity components and performance evaluation in the visible region.. Richard Stark.[r] ...
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Laser diffuse reflection light scanner with background suppression. Dimensioned drawing
... It is imperative to note the task and the associated inclination of the scanner of approx. 5° … 7°. z Objects should only be moved in laterally from the right or left. Moving in objects from the connection side or ...
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