Developer Reference

  • 2021
  • 06/28/2021
  • Public Content
Contents

FilterBox

Blurs an image using a simple box filter.

Syntax

IppStatus ippiFilterBox_64f_C1R(const Ipp<datatype>*
pSrc
, int srcStep, Ipp<datatype>*
pDst
, int
dstStep
, IppiSize
dstRoiSize
, IppiSize
maskSize
, IppiPoint
anchor
);
Include Files
ippi.h
Domain Dependencies
Headers:
ippcore.h
,
ippvm.h
,
ipps.h
Libraries:
ippcore.lib
,
ippvm.lib
,
ipps.lib
Parameters
pSrc
Pointer to the source image ROI.
srcStep
Distance in bytes between starts of consecutive lines in the source image.
pDst
Pointer to the destination image ROI.
dstStep
Distance in bytes between starts of consecutive lines in the destination image.
dstRoiSize
Size of the destination ROI in pixels.
maskSize
Size of the mask in pixels.
anchor
Anchor cell specifying the mask alignment with respect to the position of the input pixel.
Description
This function operates with ROI (see Regions of Interest in Intel IPP).
This function sets each pixel in the destination image as the average of all the input image pixels in the rectangular neighborhood of size
maskSize
with the anchor cell at that pixel. This has the effect of smoothing or blurring on the input image. To ensure valid operation when image boundary pixels are processed, the application must correctly define additional border pixels (see Borders in Neighborhood Operations).
Return Values
ippStsNoErr
Indicates no error. Any other value indicates an error or a warning.
ippStsNullPtrErr
Indicates an error if
pSrc
,
pDst
, or
pSrcDst
is
NULL
.
ippStsSizeErr
Indicates an error if
dstRoiSize
has a field with zero or negative value.
ippStsStepErr
Indicates an error if
srcStep
or
dstStep
has a zero or negative value.
ippStsMaskSizeErr
Indicates an error if
maskSize
has a field with zero or negative value.
ippStsAnchorErr
Indicates an error if
anchor
is outside the mask size.
ippStsMemAllocErr
Indicates a memory allocation error.

Product and Performance Information

1

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