The set of perspective transform utility functions.
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The set of perspective transform utility functions.
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NppStatus nppiGetPerspectiveBound |
( |
NppiRect |
oSrcROI, |
|
|
double |
bound[2][2], |
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const double |
aCoeffs[3][3] |
|
) |
|
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Calculates bounding box of the perspective transform projection of the given source rectangular ROI.
- Parameters
-
| oSrcROI |
Source ROI |
| bound |
Bounding box of the transformed source ROI |
| aCoeffs |
Perspective transform coefficients |
- Returns
- Error codes:
-
NPP_SIZE_ERROR Indicates an error condition if any image dimension has zero or negative value
-
NPP_RECTANGLE_ERROR Indicates an error condition if width or height of the intersection of the oSrcROI and source image is less than or equal to 1
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NPP_COEFFICIENT_ERROR Indicates an error condition if coefficient values are invalid
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NppStatus nppiGetPerspectiveQuad |
( |
NppiRect |
oSrcROI, |
|
|
double |
quad[4][2], |
|
|
const double |
aCoeffs[3][3] |
|
) |
|
|
Calculates perspective transform projection of given source rectangular ROI.
- Parameters
-
| oSrcROI |
Source ROI |
| quad |
Destination quadrangle |
| aCoeffs |
Perspective transform coefficients |
- Returns
- Error codes:
-
NPP_SIZE_ERROR Indicates an error condition if any image dimension has zero or negative value
-
NPP_RECTANGLE_ERROR Indicates an error condition if width or height of the intersection of the oSrcROI and source image is less than or equal to 1
-
NPP_COEFFICIENT_ERROR Indicates an error condition if coefficient values are invalid
|
NppStatus nppiGetPerspectiveTransform |
( |
NppiRect |
oSrcROI, |
|
|
const double |
quad[4][2], |
|
|
double |
aCoeffs[3][3] |
|
) |
|
|
Calculates perspective transform coefficients given source rectangular ROI and its destination quadrangle projection.
- Parameters
-
| oSrcROI |
Source ROI |
| quad |
Destination quadrangle |
| aCoeffs |
Perspective transform coefficients |
- Returns
- Error codes:
-
NPP_SIZE_ERROR Indicates an error condition if any image dimension has zero or negative value
-
NPP_RECTANGLE_ERROR Indicates an error condition if width or height of the intersection of the oSrcROI and source image is less than or equal to 1
-
NPP_COEFFICIENT_ERROR Indicates an error condition if coefficient values are invalid
