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计算机应用研究 2011
Precise calibration method for computer monitor system
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Abstract:
This paper analyzed the error sources of computer monitor system.All of them could be divided into 3 sorts: manufacture error,measurement error and computation error.Then,presented a precise calibration method.Calibration procedure was described by 4 steps: extracting calibration data,fitting camera model,computing and optimizing both camera intrinsic and extrinsic parameters,correcting distortion.Quantization noise of pixels,orthogonal error of image axes,asymmetric error,radial distortion and tanlggential...