Developer Reference

  • 2021
  • 01/15/2021
  • Public Content
Contents

PyramidGetSize

Computes the size of the pyramid structure and the size of the temporary buffer for the
ippiPyramidInit
function.

Syntax

IppStatus ippiPyramidGetSize(int*
pPyrSize
, int*
pBufSize
, int
level
, IppiSize
roiSize
, Ipp32f
rate
);
Include Files
ippcv.h
Domain Dependencies
Headers:
ippcore.h
,
ippvm.h
,
ipps.h
,
ippi.h
Libraries:
ippcore.lib
,
ippvm.lib
,
ipps.lib
,
ippi.lib
Parameters
pPyrSize
Pointer to the size of the pyramid structure.
pBufSize
Pointer to the size of the external work buffer for pyramid processing.
level
Maximum value for the pyramid level.
roiSize
Size of zero level image ROI, in pixels.
rate
Ratio between neighbouring levels (1 <
rate
10).
Description
This function computes the size of the pyramid structure and the size of the temporary buffer, in bytes, for the
ippiPyramidInit
function. For an example on how to use this function, refer to the example provided with the
ippiPyramidLayerDown
function description.
Return Values
ippStsNoErr
Indicates no error.
ippStsNullPtrErr
Indicates an error when any of the specified pointers is
NULL
.
ippStsSizeErr
Indicates an error when
roiSize
has a field with a zero or negative value.
ippStsBadArgErr
Indicates an error when
level
is equal to or less than 0, or when
rate
is out of the range.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.