发明名称 Dynamic range compression
摘要 A method and apparatus for processing image data is described, comprising acquiring a frame of image data and compressing the dynamic range of the frame of image data using a dynamic range compression (DRC) algorithm that utilizes down-sampling, median filtering, and up-sampling. The DRC algorithm comprises down-sampling a frame of image data comprising a first array of pixels to generate a second array of pixels, applying a first median filter to the second array of pixels to generate a blurred array of pixels, up-sampling the blurred array of pixels, and removing at least a portion of low-frequency gradient data generated by previous steps from the frame of image data.
申请公布号 US6973218(B2) 申请公布日期 2005.12.06
申请号 US20010841081 申请日期 2001.04.25
申请人 LOCKHEED MARTIN CORPORATION 发明人 ALDERSON TIMOTHY;TENER GENE D.;HOPKINS VALETE C.;STUART CHARLIE W.;NGUYEN CHINH X.
分类号 G06T5/20;G06T5/40;H04N5/208;H04N5/217;H04N5/33;(IPC1-7):G06K9/40 主分类号 G06T5/20
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