Photo Response Non-Uniformity Correction of High Dynamic Range Video System

Lei Liang; Ning Mei Yu; Jian Wei Li

doi:10.4028/www.scientific.net/AMM.263-266.2524

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The Application of LabVIEW and IMAQ in Image Acquisition and Processing
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A High Capacity Reversible Data Hiding Scheme for Halftone Images by Similar Pattern Selection
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 263-266Photo Response Non-Uniformity Correction of High...

Photo Response Non-Uniformity Correction of High Dynamic Range Video System

Abstract:

In order to solve the problem of the photo response non-uniformity (PRNU) for High Dynamic Range (HDR) video system, this paper discusses the causes of the problem and the common solution, and then proposed a new non-uniformity correction approach based on the reference source for HDR video system. This approach use high-pass filter to calibration image in Frequency domain to get the correction matrix of one level light conditions at first. And then performs an inverse Fourier transform to the spatial domain. Finally calculate the difference between the correction matrix and the target image to obtain the corrected results. The experimental result indicates that the approach has good effect on dealing with non-uniformity of the HDR images and the definition has been greatly improved.

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Periodical:

Applied Mechanics and Materials (Volumes 263-266)

Pages:

2524-2529

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.263-266.2524

Citation:

Cite this paper

Online since:

December 2012

Authors:

Lei Liang, Ning Mei Yu, Jian Wei Li

Keywords:

Frequency Domain Filtering, HDR, PRNU

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