Developer Reference

  • 2021
  • 03/26/2021
  • Public Content
Contents

DeinterlaceFilterCAVT

Performs deinterlacing of two-field image.

Syntax

IppStatus ippiDeinterlaceFilterCAVT_8u_C1R(const Ipp8u*
pSrc
, int
srcStep
, Ipp8u*
pDst
, int
dstStep
, Ipp16u
threshold
, IppiSize
roiSize
);
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.
threshold
Threshold level value.
roiSize
Size of the source and destination image ROI.
Description
This function operates with ROI (see Regions of Interest in Intel IPP). This function performs deinterlacing of a two-field image, pointed to by
pSrc
, using content adaptive vertical temporal (CAVT) filtering.
The field pointed to by
pSrc
is copied to
pDst
, while the other field in the destination image, pointed to by
pDst
+
dstStep
, is the interpolated one. Note that you can set the pointers to the bottom left corner of the images and use negative steps to have the bottom field unchanged and the top one interpolated.
The
threshold
parameter is the edge detection threshold with the valid range [0-2041] regulating the probability of temporal interpolation: 0 means that all the pixels are interpolated only spatially, from the vertically neighbouring pixels of the copied field, 2041 - that combined spatial-temporal interpolation, involving the pixels from the modified field as well, is applied to all the pixels.
Return Values
ippStsNoErr
Indicates no error. Any other value indicates an error.
ippStsNullPtrErr
Indicates an error condition if one of the specified pointers is
NULL
.
ippStsSizeErr
Indicates an error condition if
roiSize.width
is less than or equal to 0, or
roiSize.height
is odd or less than 8.

Product and Performance Information

1

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