ACM SIGGRAPH 2005 Papers 2005
DOI: 10.1145/1186822.1073257
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Dual photography

Abstract: a) (b)(c) (d) Figure 1: (a) Conventional photograph of a scene, illuminated by a projector with all its pixels turned on. (b) After measuring the light transport between the projector and the camera using structured illumination, our technique is able to synthesize a photorealistic image from the point of view of the projector. This image has the resolution of the projector and is illuminated by a light source at the position of the camera. The technique can capture subtle illumination effects such as caustics… Show more

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Cited by 135 publications
(165 citation statements)
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“…Projectors are commonly used in reconstruction [28], relighting [10], light transport analysis [20,25] and defocus [9]. Our paper is related to a recent trend towards building projector-camera systems that utilize reflective micromirrors for high-speed control of light.…”
Section: Previous Workmentioning
confidence: 99%
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“…Projectors are commonly used in reconstruction [28], relighting [10], light transport analysis [20,25] and defocus [9]. Our paper is related to a recent trend towards building projector-camera systems that utilize reflective micromirrors for high-speed control of light.…”
Section: Previous Workmentioning
confidence: 99%
“…It is these types of effects that allow us to classify and detect challenging materials. Furthermore, while there has been previous work on using structured and controlled illumination to obtain the full light-transport matrix [25] (and therefore identify the scene material properties), we attempt to do the same with a single slice of the light transport function. In this sense, our sensor enables a low-power, low-cost version of domebased material identification work [27].…”
Section: Identifying a Scene's Dominant Materials Charactermentioning
confidence: 99%
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“…Projectors are commonly used as programmable light sources for a variety of active vision techniques including structured light range finding [1][2][3][4][5][6], photometrybased reconstruction [7,8], relighting [9], light transport analysis [10,11] and depth from defocus [12]. The intensity and color of the scene's illumination can be controlled over space and time depending on the task at hand.…”
Section: Introductionmentioning
confidence: 99%
“…Other research concentrated on improving the accuracy of HS by radiometric calibration (Jankó et al, 2004), as well as generalising the method to structured and strongly textured surfaces (Guillemaut et al, 2004). Applications of the Helmholtz reciprocity principle have also been considered in the contexts of surface registration and computer graphics (Sen et al, 2005).…”
Section: Introductionmentioning
confidence: 99%