Surface reflection: physical and geometrical perspectives

Nayar, Shree K.; Ikeuchi, Katsushi; Kanade, Takeo

doi:10.1109/34.85654

Cited by 578 publications

(286 citation statements)

References 23 publications

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“…The polar plot in Fig. 5 shows the presence of both a specular lobe along the specular direction, and a distribution in cos y r characteristic of a Lambertian surface [7]. This measurement shows that this sample of PTFE is not purely diffuse for VUV light.…”

Section: Resultsmentioning

confidence: 82%

Measuring the angular profile of the reflection of xenon scintillation light

Silva¹,

Cunha²,

Chepel³

et al. 2007

Nuclear Instruments and Methods in Physics Research Section A:

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Section: Resultsmentioning

confidence: 82%

Measuring the angular profile of the reflection of xenon scintillation light

Silva¹,

Cunha²,

Chepel³

et al. 2007

Nuclear Instruments and Methods in Physics Research Section A:

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“…Since Geant4 provides quite powerful tools for describing the detector and the relevant physics with a fairly flexible optical model inspired by the work of Nayer et al [14], a GEANT4 based Monte Carlo simulation program of this water tank prototype has been developed.…”

Section: Monte Carlo Simulationmentioning

confidence: 99%

A study of the water Cherenkov calorimeter

Chen¹,

Wang²,

He³

et al. 2006

Nuclear Instruments and Methods in Physics Research Section A:

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The novel idea of water Cherenkov calorimeter made of water tanks as the next generation neutrino detector for ν factories and ν beams is investigated. A water tank prototype with a dimension of 1×1×13m 3 is constructed, its performance is studied and compared with a GEANT4 based Monte Carlo simulation. By using measured parameters of the water tank, including the light collection efficiency, attenuation length, angular dependent response etc, a detailed Monte Carlo simulation demonstrates that the detector performance is excellent for identifying neutrino charged current events while rejecting neutral current and wrong-flavor backgrounds.

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“…Hence, any reflection model is applicable to our method providing such a set of linear equations is obtained. Take a simplified Torrance-Sparrow reflection model [15,20] for example; the pixel value of shadow image P (θ e , φ e ) is computed as…”

Section: Known Reflectance Properties: Non-lambertian Modelmentioning

confidence: 99%

“…In the past, the first two kinds of analyses, the shape recovery and the reflectance recovery, have been intensively studied using the shape from shading method [7,8,9,16] as well as through reflectance analysis research [1,12,13,15,18] . In contrast, there has been little progress on the subject of recovering illumination from the knowledge of the shape and the reflectance of an object surface.…”

Section: Introductionmentioning

confidence: 99%