Automatic Projector Calibration using Embedded Light Sensors (2004)

 

 

Proceedings of the ACM Symposium on User Interface Software and Technology

 

Projection technology typically places several constraints on the geometric relationship between the projector and the projection surface to obtain an undistorted, properly sized image. In this paper we describe a simple, robust, fast, and low-cost method for automatic projector calibration that eliminates many of these constraints. We embed light sensors in the target surface, project Gray-coded binary patterns to discover the sensor locations, and then prewarp the image to accurately fit the physical features of the projection surface. This technique can be expanded to automatically stitch multiple projectors, calibrate onto nonplanar surfaces for object decoration, and provide a method for simple geometry acquisition. [via]
http://www.cs.cmu.edu/~johnny/academic/proj4....

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Tags: Tag geometry acquisition, Tag automatic projector, Tag projector, Tag calibration, Tag projector calibration, Tag light sensor, Tag paper, Tag sensor, Tag keystone correction, Tag structured light, Tag object decoration, Tag multi projector stitching, ...

 

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Automatic Projector Calibration using Embedded Light Sensors

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