NPPST Image Processing

NCVStatus
nppiStDecimate_32f_C1R_host(
    Ncv32f* h_src,
    Ncv32u srcStep,
    Ncv32f* h_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 32-bit float pixels, single channel. Host implementation.

See also:

NCVStatus
nppiStDecimate_32s_C1R(
    Ncv32s* d_src,
    Ncv32u srcStep,
    Ncv32s* d_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale,
    NcvBool readThruTexture
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 32-bit signed pixels, single channel.

See also:

NCVStatus
nppiStDecimate_32s_C1R_host(
    Ncv32s* h_src,
    Ncv32u srcStep,
    Ncv32s* h_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 32-bit signed pixels, single channel. Host implementation.

See also:

NCVStatus
nppiStDecimate_32u_C1R(
    Ncv32u* d_src,
    Ncv32u srcStep,
    Ncv32u* d_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale,
    NcvBool readThruTexture
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 32-bit unsigned pixels, single channel.

Parameters:

d_src	[IN] Source image pointer (CUDA device memory)
srcStep	[IN] Source image line step
d_dst	[OUT] Destination image pointer (CUDA device memory)
dstStep	[IN] Destination image line step
srcRoi	[IN] Region of interest in the source image
scale	[IN] Downsampling scale factor (positive integer)
readThruTexture	[IN] Performance hint to cache source in texture (true) or read directly (false)

Returns:

NCV status code

NCVStatus
nppiStDecimate_32u_C1R_host(
    Ncv32u* h_src,
    Ncv32u srcStep,
    Ncv32u* h_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 32-bit unsigned pixels, single channel. Host implementation.

Parameters:

h_src	[IN] Source image pointer (Host or pinned memory)
srcStep	[IN] Source image line step
h_dst	[OUT] Destination image pointer (Host or pinned memory)
dstStep	[IN] Destination image line step
srcRoi	[IN] Region of interest in the source image
scale	[IN] Downsampling scale factor (positive integer)

Returns:

NCV status code

NCVStatus
nppiStDecimate_64f_C1R(
    Ncv64f* d_src,
    Ncv32u srcStep,
    Ncv64f* d_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale,
    NcvBool readThruTexture
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 64-bit float pixels, single channel.

See also:

NCVStatus
nppiStDecimate_64f_C1R_host(
    Ncv64f* h_src,
    Ncv32u srcStep,
    Ncv64f* h_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 64-bit float pixels, single channel. Host implementation.

See also:

NCVStatus
nppiStDecimate_64s_C1R(
    Ncv64s* d_src,
    Ncv32u srcStep,
    Ncv64s* d_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale,
    NcvBool readThruTexture
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 64-bit signed pixels, single channel.

See also:

NCVStatus
nppiStDecimate_64s_C1R_host(
    Ncv64s* h_src,
    Ncv32u srcStep,
    Ncv64s* h_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 64-bit signed pixels, single channel. Host implementation.

See also:

NCVStatus
nppiStDecimate_64u_C1R(
    Ncv64u* d_src,
    Ncv32u srcStep,
    Ncv64u* d_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale,
    NcvBool readThruTexture
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 64-bit unsigned pixels, single channel.

See also:

NCVStatus
nppiStDecimate_64u_C1R_host(
    Ncv64u* h_src,
    Ncv32u srcStep,
    Ncv64u* h_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi,
    Ncv32u scale
    )

Downsamples (decimates) an image using the nearest neighbor algorithm. 64-bit unsigned pixels, single channel. Host implementation.

See also:

nppiStIntegral_8u32u_C1R_host

NCVStatus
nppiStFilterColumnBorder_32f_C1R(
    const Ncv32f* pSrc,
    NcvSize32u srcSize,
    Ncv32u nSrcStep,
    Ncv32f* pDst,
    NcvSize32u dstSize,
    Ncv32u nDstStep,
    NcvRect32u oROI,
    NppStBorderType borderType,
    const Ncv32f* pKernel,
    Ncv32s nKernelSize,
    Ncv32s nAnchor,
    Ncv32f multiplier
    )

Column linear filter. 32-bit floating point image, single channel

Apply vertical linear filter

Parameters:

pSrc	[IN] Source image pointer (CUDA device memory)
srcSize	[IN] Source image size
nSrcStep	[IN] Source image line step
pDst	[OUT] Destination image pointer (CUDA device memory)
dstSize	[OUT] Destination image size
nDstStep	[IN]
oROI	[IN] Region of interest in the source image
borderType	[IN] Type of border
pKernel	[IN] Pointer to column kernel values (CUDA device memory)
nKernelSize	[IN] Size of the kernel in pixels
nAnchor	[IN] The kernel column alignment with respect to the position of the input pixel
multiplier	[IN] Value by which the computed result is multiplied

Returns:

NCV status code

NCVStatus
nppiStFilterRowBorder_32f_C1R(
    const Ncv32f* pSrc,
    NcvSize32u srcSize,
    Ncv32u nSrcStep,
    Ncv32f* pDst,
    NcvSize32u dstSize,
    Ncv32u nDstStep,
    NcvRect32u oROI,
    NppStBorderType borderType,
    const Ncv32f* pKernel,
    Ncv32s nKernelSize,
    Ncv32s nAnchor,
    Ncv32f multiplier
    )

Row linear filter. 32-bit floating point image, single channel

Apply horizontal linear filter

Parameters:

pSrc	[IN] Source image pointer (CUDA device memory)
srcSize	[IN] Source image size
nSrcStep	[IN] Source image line step
pDst	[OUT] Destination image pointer (CUDA device memory)
dstSize	[OUT] Destination image size
nDstStep
oROI	[IN] Region of interest in the source image
borderType	[IN] Type of border
pKernel	[IN] Pointer to row kernel values (CUDA device memory)
nKernelSize	[IN] Size of the kernel in pixels
nAnchor	[IN] The kernel row alignment with respect to the position of the input pixel
multiplier	[IN] Value by which the computed result is multiplied

Returns:

NCV status code

NCVStatus
nppiStGetInterpolationBufferSize(
    NcvSize32u srcSize,
    Ncv32u nStep,
    Ncv32u* hpSize
    )

Size of a buffer required for interpolation.

Requires several such buffers. See

Parameters:

srcSize	[IN] Frame size (both frames must be of the same size)
nStep	[IN] Frame line step
hpSize	[OUT] Where to store computed size (host memory)

Returns:

NCV status code

See also:

NppStInterpolationState.

NCVStatus
nppiStIntegral_32f32f_C1R(
    Ncv32f* d_src,
    Ncv32u srcStep,
    Ncv32f* d_dst,
    Ncv32u dstStep,
    NcvSize32u roiSize,
    Ncv8u* pBuffer,
    Ncv32u bufSize,
    cudaDeviceProp& devProp
    )

Creates an integral image representation for the input image

See also:

nppiStIntegral_8u32u_C1R

NCVStatus
nppiStIntegral_32f32f_C1R_host(
    Ncv32f* h_src,
    Ncv32u srcStep,
    Ncv32f* h_dst,
    Ncv32u dstStep,
    NcvSize32u roiSize
    )

Creates an integral image representation for the input image. Host implementation

See also:

NCVStatus
nppiStIntegral_8u32u_C1R(
    Ncv8u* d_src,
    Ncv32u srcStep,
    Ncv32u* d_dst,
    Ncv32u dstStep,
    NcvSize32u roiSize,
    Ncv8u* pBuffer,
    Ncv32u bufSize,
    cudaDeviceProp& devProp
    )

Creates an integral image representation for the input image

Parameters:

d_src	[IN] Source image pointer (CUDA device memory)
srcStep	[IN] Source image line step
d_dst	[OUT] Destination integral image pointer (CUDA device memory)
dstStep	[IN] Destination image line step
roiSize	[IN] Region of interest of the source image
pBuffer	[IN] Pointer to the pre-allocated temporary buffer (CUDA device memory)
bufSize	[IN] Size of the pBuffer in bytes
devProp	[IN] CUDA device properties structure, containing texture alignment information

Returns:

NCV status code

NCVStatus
nppiStIntegral_8u32u_C1R_host(
    Ncv8u* h_src,
    Ncv32u srcStep,
    Ncv32u* h_dst,
    Ncv32u dstStep,
    NcvSize32u roiSize
    )

Creates an integral image representation for the input image. Host implementation

Parameters:

h_src	[IN] Source image pointer (Host or pinned memory)
srcStep	[IN] Source image line step
h_dst	[OUT] Destination integral image pointer (Host or pinned memory)
dstStep	[IN] Destination image line step
roiSize	[IN] Region of interest of the source image

Returns:

NCV status code

NCVStatus
nppiStIntegralGetSize_32f32f(
    NcvSize32u roiSize,
    Ncv32u* pBufsize,
    cudaDeviceProp& devProp
    )

Calculates the size of the temporary buffer for integral image creation

See also:

nppiStIntegralGetSize_8u32u

NCVStatus
nppiStIntegralGetSize_8u32u(
    NcvSize32u roiSize,
    Ncv32u* pBufsize,
    cudaDeviceProp& devProp
    )

Calculates the size of the temporary buffer for integral image creation

Parameters:

roiSize	[IN] Size of the input image
pBufsize	[OUT] Pointer to host variable that returns the size of the temporary buffer (in bytes)
devProp	[IN] CUDA device properties structure, containing texture alignment information

Returns:

NCV status code

NCVStatus
nppiStInterpolateFrames(const NppStInterpolationState* pState)

Interpolate frames (images) using provided optical flow (displacement field). 32-bit floating point images, single channel

Parameters:

pState

[IN] structure containing all required parameters (host memory)

Returns:

NCV status code

NCVStatus
nppiStRectStdDev_32f_C1R(
    Ncv32u* d_sum,
    Ncv32u sumStep,
    Ncv64u* d_sqsum,
    Ncv32u sqsumStep,
    Ncv32f* d_norm,
    Ncv32u normStep,
    NcvSize32u roi,
    NcvRect32u rect,
    Ncv32f scaleArea,
    NcvBool readThruTexture
    )

Computes standard deviation for each rectangular region of the input image using integral images.

Parameters:

d_sum	[IN] Integral image pointer (CUDA device memory)
sumStep	[IN] Integral image line step
d_sqsum	[IN] Squared integral image pointer (CUDA device memory)
sqsumStep	[IN] Squared integral image line step
d_norm	[OUT] Stddev image pointer (CUDA device memory). Each pixel contains stddev of a rect with top-left corner at the original location in the image
normStep	[IN] Stddev image line step
roi	[IN] Region of interest in the source image
rect	[IN] Rectangular region to calculate stddev over
scaleArea	[IN] Multiplication factor to account decimated scale
readThruTexture	[IN] Performance hint to cache source in texture (true) or read directly (false)

Returns:

NCV status code

NCVStatus
nppiStRectStdDev_32f_C1R_host(
    Ncv32u* h_sum,
    Ncv32u sumStep,
    Ncv64u* h_sqsum,
    Ncv32u sqsumStep,
    Ncv32f* h_norm,
    Ncv32u normStep,
    NcvSize32u roi,
    NcvRect32u rect,
    Ncv32f scaleArea
    )

Computes standard deviation for each rectangular region of the input image using integral images. Host implementation

Parameters:

h_sum	[IN] Integral image pointer (Host or pinned memory)
sumStep	[IN] Integral image line step
h_sqsum	[IN] Squared integral image pointer (Host or pinned memory)
sqsumStep	[IN] Squared integral image line step
h_norm	[OUT] Stddev image pointer (Host or pinned memory). Each pixel contains stddev of a rect with top-left corner at the original location in the image
normStep	[IN] Stddev image line step
roi	[IN] Region of interest in the source image
rect	[IN] Rectangular region to calculate stddev over
scaleArea	[IN] Multiplication factor to account decimated scale

Returns:

NCV status code

NCVStatus
nppiStResize_32f_C1R(
    const Ncv32f* pSrc,
    NcvSize32u srcSize,
    Ncv32u nSrcStep,
    NcvRect32u srcROI,
    Ncv32f* pDst,
    NcvSize32u dstSize,
    Ncv32u nDstStep,
    NcvRect32u dstROI,
    Ncv32f xFactor,
    Ncv32f yFactor,
    NppStInterpMode interpolation
    )

Resize. 32-bit floating point image, single channel

Resizes image using specified filter (interpolation type)

Parameters:

pSrc	[IN] Source image pointer (CUDA device memory)
srcSize	[IN] Source image size
nSrcStep	[IN] Source image line step
srcROI	[IN] Source image region of interest
pDst	[OUT] Destination image pointer (CUDA device memory)
dstSize	[IN] Destination image size
nDstStep	[IN] Destination image line step
dstROI	[IN] Destination image region of interest
xFactor	[IN] Row scale factor
yFactor	[IN] Column scale factor
interpolation	[IN] Interpolation type

Returns:

NCV status code

NCVStatus
nppiStSqrIntegral_8u64u_C1R(
    Ncv8u* d_src,
    Ncv32u srcStep,
    Ncv64u* d_dst,
    Ncv32u dstStep,
    NcvSize32u roiSize,
    Ncv8u* pBuffer,
    Ncv32u bufSize,
    cudaDeviceProp& devProp
    )

Creates a squared integral image representation for the input image

Parameters:

d_src	[IN] Source image pointer (CUDA device memory)
srcStep	[IN] Source image line step
d_dst	[OUT] Destination squared integral image pointer (CUDA device memory)
dstStep	[IN] Destination image line step
roiSize	[IN] Region of interest of the source image
pBuffer	[IN] Pointer to the pre-allocated temporary buffer (CUDA device memory)
bufSize	[IN] Size of the pBuffer in bytes
devProp	[IN] CUDA device properties structure, containing texture alignment information

Returns:

NCV status code

NCVStatus
nppiStSqrIntegral_8u64u_C1R_host(
    Ncv8u* h_src,
    Ncv32u srcStep,
    Ncv64u* h_dst,
    Ncv32u dstStep,
    NcvSize32u roiSize
    )

Creates a squared integral image representation for the input image. Host implementation

Parameters:

h_src	[IN] Source image pointer (Host or pinned memory)
srcStep	[IN] Source image line step
h_dst	[OUT] Destination squared integral image pointer (Host or pinned memory)
dstStep	[IN] Destination image line step
roiSize	[IN] Region of interest of the source image

Returns:

NCV status code

NCVStatus
nppiStSqrIntegralGetSize_8u64u(
    NcvSize32u roiSize,
    Ncv32u* pBufsize,
    cudaDeviceProp& devProp
    )

Calculates the size of the temporary buffer for squared integral image creation

Parameters:

roiSize	[IN] Size of the input image
pBufsize	[OUT] Pointer to host variable that returns the size of the temporary buffer (in bytes)
devProp	[IN] CUDA device properties structure, containing texture alignment information

Returns:

NCV status code

NCVStatus
nppiStTranspose_128_C1R(
    void* d_src,
    Ncv32u srcStep,
    void* d_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi
    )

Transposes an image. 128-bit pixels of any type, single channel

See also:

NCVStatus
nppiStTranspose_128_C1R_host(
    void* d_src,
    Ncv32u srcStep,
    void* d_dst,
    Ncv32u dstStep,
    NcvSize32u srcRoi
    )

Transposes an image. 128-bit pixels of any type, single channel. Host implementation

See also:

NCVStatus
nppiStTranspose_32f_C1R(
    Ncv32f* d_src,
    Ncv32u srcStride,
    Ncv32f* d_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 32-bit float pixels, single channel

See also:

NCVStatus
nppiStTranspose_32f_C1R_host(
    Ncv32f* h_src,
    Ncv32u srcStride,
    Ncv32f* h_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 32-bit float pixels, single channel. Host implementation

See also:

NCVStatus
nppiStTranspose_32s_C1R(
    Ncv32s* d_src,
    Ncv32u srcStride,
    Ncv32s* d_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 32-bit signed pixels, single channel

See also:

NCVStatus
nppiStTranspose_32s_C1R_host(
    Ncv32s* h_src,
    Ncv32u srcStride,
    Ncv32s* h_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 32-bit signed pixels, single channel. Host implementation

See also:

NCVStatus
nppiStTranspose_32u_C1R(
    Ncv32u* d_src,
    Ncv32u srcStride,
    Ncv32u* d_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 32-bit unsigned pixels, single channel

Parameters:

d_src	[IN] Source image pointer (CUDA device memory)
srcStride	[IN] Source image line step
d_dst	[OUT] Destination image pointer (CUDA device memory)
dstStride	[IN] Destination image line step
srcRoi	[IN] Region of interest of the source image

Returns:

NCV status code

NCVStatus
nppiStTranspose_32u_C1R_host(
    Ncv32u* h_src,
    Ncv32u srcStride,
    Ncv32u* h_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 32-bit unsigned pixels, single channel. Host implementation

Parameters:

h_src	[IN] Source image pointer (Host or pinned memory)
srcStride	[IN] Source image line step
h_dst	[OUT] Destination image pointer (Host or pinned memory)
dstStride	[IN] Destination image line step
srcRoi	[IN] Region of interest of the source image

Returns:

NCV status code

NCVStatus
nppiStTranspose_64f_C1R(
    Ncv64f* d_src,
    Ncv32u srcStride,
    Ncv64f* d_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 64-bit float pixels, single channel

See also:

NCVStatus
nppiStTranspose_64f_C1R_host(
    Ncv64f* h_src,
    Ncv32u srcStride,
    Ncv64f* h_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 64-bit float pixels, single channel. Host implementation

See also:

NCVStatus
nppiStTranspose_64s_C1R(
    Ncv64s* d_src,
    Ncv32u srcStride,
    Ncv64s* d_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 64-bit signed pixels, single channel

See also:

NCVStatus
nppiStTranspose_64s_C1R_host(
    Ncv64s* h_src,
    Ncv32u srcStride,
    Ncv64s* h_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 64-bit signed pixels, single channel. Host implementation

See also:

NCVStatus
nppiStTranspose_64u_C1R(
    Ncv64u* d_src,
    Ncv32u srcStride,
    Ncv64u* d_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 64-bit unsigned pixels, single channel

See also:

NCVStatus
nppiStTranspose_64u_C1R_host(
    Ncv64u* h_src,
    Ncv32u srcStride,
    Ncv64u* h_dst,
    Ncv32u dstStride,
    NcvSize32u srcRoi
    )

Transposes an image. 64-bit unsigned pixels, single channel. Host implementation

See also: