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About IPP Function "DemosaicAHD"

Intel_C_21
Beginner
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Hi!

My current research work is focused in image processing and algorithms for CFA interpolation. I'm interested in evaluating the performance of the IPP CFAToRGB and DemosaicAHD demosaicing functionality.

I am new in using IPP library. I have troubles with understanding the meaning of parameter “pTmp” of function DemosaicAHD.

In the function description it is written that: “The algorithm requires “the temporary image pTmp of size (srcRoi.width +6, 30)” to be defined and passed during the function call. Could someone to help me to understand:

  1. What the purpose of the temporary image is and what determines this size for the temporary image?
  2.  Which IPP method to use for allocating memory for that image?

Thanks in advance,

Iva

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