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NVIDIA 2D Image And Signal Performance Primitives (NPP)
Version 10.1.1
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NVIDIA 2D Image And Signal Performance Primitives (NPP)
Version 10.1.1
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Primitives for computing both the integral and the squared integral images of a given image. More...
SqrIntegral | |
Given an input image
Given an input image
If the size of the input image is | |
| NppStatus | nppiSqrIntegral_8u32s_C1R_Ctx (const Npp8u *pSrc, int nSrcStep, Npp32s *pDst, int nDstStep, Npp32s *pSqr, int nSqrStep, NppiSize oSrcROI, Npp32s nVal, Npp32s nValSqr, NppStreamContext nppStreamCtx) |
| One-channel 8-bit unsigned image SqrIntegral. More... | |
| NppStatus | nppiSqrIntegral_8u32s_C1R (const Npp8u *pSrc, int nSrcStep, Npp32s *pDst, int nDstStep, Npp32s *pSqr, int nSqrStep, NppiSize oSrcROI, Npp32s nVal, Npp32s nValSqr) |
| NppStatus | nppiSqrIntegral_8u32s64f_C1R_Ctx (const Npp8u *pSrc, int nSrcStep, Npp32s *pDst, int nDstStep, Npp64f *pSqr, int nSqrStep, NppiSize oSrcROI, Npp32s nVal, Npp64f nValSqr, NppStreamContext nppStreamCtx) |
| One-channel 8-bit unsigned image SqrIntegral. More... | |
| NppStatus | nppiSqrIntegral_8u32s64f_C1R (const Npp8u *pSrc, int nSrcStep, Npp32s *pDst, int nDstStep, Npp64f *pSqr, int nSqrStep, NppiSize oSrcROI, Npp32s nVal, Npp64f nValSqr) |
| NppStatus | nppiSqrIntegral_8u32f64f_C1R_Ctx (const Npp8u *pSrc, int nSrcStep, Npp32f *pDst, int nDstStep, Npp64f *pSqr, int nSqrStep, NppiSize oSrcROI, Npp32f nVal, Npp64f nValSqr, NppStreamContext nppStreamCtx) |
| One-channel 8-bit unsigned image SqrIntegral. More... | |
| NppStatus | nppiSqrIntegral_8u32f64f_C1R (const Npp8u *pSrc, int nSrcStep, Npp32f *pDst, int nDstStep, Npp64f *pSqr, int nSqrStep, NppiSize oSrcROI, Npp32f nVal, Npp64f nValSqr) |
Primitives for computing both the integral and the squared integral images of a given image.
| NppStatus nppiSqrIntegral_8u32f64f_C1R | ( | const Npp8u * | pSrc, |
| int | nSrcStep, | ||
| Npp32f * | pDst, | ||
| int | nDstStep, | ||
| Npp64f * | pSqr, | ||
| int | nSqrStep, | ||
| NppiSize | oSrcROI, | ||
| Npp32f | nVal, | ||
| Npp64f | nValSqr | ||
| ) |
| NppStatus nppiSqrIntegral_8u32f64f_C1R_Ctx | ( | const Npp8u * | pSrc, |
| int | nSrcStep, | ||
| Npp32f * | pDst, | ||
| int | nDstStep, | ||
| Npp64f * | pSqr, | ||
| int | nSqrStep, | ||
| NppiSize | oSrcROI, | ||
| Npp32f | nVal, | ||
| Npp64f | nValSqr, | ||
| NppStreamContext | nppStreamCtx | ||
| ) |
One-channel 8-bit unsigned image SqrIntegral.
Destination integral image is 32-bit floating point. Destination square integral image is 64-bit double floating point.
| pSrc | Source-Image Pointer. |
| nSrcStep | Source-Image Line Step. |
| pDst | Destination-Image Pointer. |
| nDstStep | Destination-Image Line Step. |
| pSqr | Destination-Image Pointer. |
| nSqrStep | Destination-Image Line Step. |
| oSrcROI | Region-of-Interest (ROI). |
| nVal | The value to add to pDst image pixels |
| nValSqr | The value to add to pSqr image pixels |
| nppStreamCtx | Application Managed Stream Context. |
| NppStatus nppiSqrIntegral_8u32s64f_C1R | ( | const Npp8u * | pSrc, |
| int | nSrcStep, | ||
| Npp32s * | pDst, | ||
| int | nDstStep, | ||
| Npp64f * | pSqr, | ||
| int | nSqrStep, | ||
| NppiSize | oSrcROI, | ||
| Npp32s | nVal, | ||
| Npp64f | nValSqr | ||
| ) |
| NppStatus nppiSqrIntegral_8u32s64f_C1R_Ctx | ( | const Npp8u * | pSrc, |
| int | nSrcStep, | ||
| Npp32s * | pDst, | ||
| int | nDstStep, | ||
| Npp64f * | pSqr, | ||
| int | nSqrStep, | ||
| NppiSize | oSrcROI, | ||
| Npp32s | nVal, | ||
| Npp64f | nValSqr, | ||
| NppStreamContext | nppStreamCtx | ||
| ) |
One-channel 8-bit unsigned image SqrIntegral.
Destination integral image is 32-bit signed int. Destination square integral image is 64-bit double floating point.
| pSrc | Source-Image Pointer. |
| nSrcStep | Source-Image Line Step. |
| pDst | Destination-Image Pointer. |
| nDstStep | Destination-Image Line Step. |
| pSqr | Destination-Image Pointer. |
| nSqrStep | Destination-Image Line Step. |
| oSrcROI | Region-of-Interest (ROI). |
| nVal | The value to add to pDst image pixels |
| nValSqr | The value to add to pSqr image pixels |
| nppStreamCtx | Application Managed Stream Context. |
| NppStatus nppiSqrIntegral_8u32s_C1R | ( | const Npp8u * | pSrc, |
| int | nSrcStep, | ||
| Npp32s * | pDst, | ||
| int | nDstStep, | ||
| Npp32s * | pSqr, | ||
| int | nSqrStep, | ||
| NppiSize | oSrcROI, | ||
| Npp32s | nVal, | ||
| Npp32s | nValSqr | ||
| ) |
| NppStatus nppiSqrIntegral_8u32s_C1R_Ctx | ( | const Npp8u * | pSrc, |
| int | nSrcStep, | ||
| Npp32s * | pDst, | ||
| int | nDstStep, | ||
| Npp32s * | pSqr, | ||
| int | nSqrStep, | ||
| NppiSize | oSrcROI, | ||
| Npp32s | nVal, | ||
| Npp32s | nValSqr, | ||
| NppStreamContext | nppStreamCtx | ||
| ) |
One-channel 8-bit unsigned image SqrIntegral.
Destination integral image and square integral image are 32-bit signed int.
| pSrc | Source-Image Pointer. |
| nSrcStep | Source-Image Line Step. |
| pDst | Destination-Image Pointer. |
| nDstStep | Destination-Image Line Step. |
| pSqr | Destination-Image Pointer. |
| nSqrStep | Destination-Image Line Step. |
| oSrcROI | Region-of-Interest (ROI). |
| nVal | The value to add to pDst image pixels |
| nValSqr | The value to add to pSqr image pixels |
| nppStreamCtx | Application Managed Stream Context. |
and the specified value 
, the pixel value of the integral image 
at coordinate (i, j) will be computed as ![\[pDst(j,i) = nVal + \sum_{l=0}^{j-1}\sum_{k=0}^{i-1}pSrc(l,k)\]](form_61.png)
, the pixel value of the squared integral image 
at coordinate (i, j) will be computed as ![\[pSqr(j,i) = nValSqr + \sum_{l=0}^{j-1}\sum_{k=0}^{i-1}{pSrc(l,k)}^2\]](form_66.png)
, the size of the squared integral image will be 
.