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Description
from the instrinsic we have dSx, fSy,CenterX,CenterY
fSx *= PixelSize;
fSy *= PixelSize;
CenterX *= PixelSize;
CenterY *= PixelSize;
35mm film is 36mmx and 24mmm y
double diag35 = Dist2D(36,24);
double diag = Dist2D(ImageWidth*PixelSize,ImageHeight*PixelSize);
cropFactor = diag35/diag;
Focal35Equivalen is (fSx+fSx)*cropFactor/2
Inputs
Intrinsic
Parameters
PixelSize
FocalLength
CenterX
CenterY
Focal35Equivalen
CropFactor
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