Sobel image filters.
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SIMD_API void | SimdSobelDx (const uint8_t *src, size_t srcStride, size_t width, size_t height, uint8_t *dst, size_t dstStride) |
| Calculates Sobel's filter along x axis. More...
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SIMD_API void | SimdSobelDxAbs (const uint8_t *src, size_t srcStride, size_t width, size_t height, uint8_t *dst, size_t dstStride) |
| Calculates absolute value of Sobel's filter along x axis. More...
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SIMD_API void | SimdSobelDy (const uint8_t *src, size_t srcStride, size_t width, size_t height, uint8_t *dst, size_t dstStride) |
| Calculates Sobel's filter along y axis. More...
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SIMD_API void | SimdSobelDyAbs (const uint8_t *src, size_t srcStride, size_t width, size_t height, uint8_t *dst, size_t dstStride) |
| Calculates absolute value of Sobel's filter along y axis. More...
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template<template< class > class A> |
SIMD_INLINE void | SobelDx (const View< A > &src, View< A > &dst) |
| Calculates Sobel's filter along x axis. More...
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template<template< class > class A> |
SIMD_INLINE void | SobelDxAbs (const View< A > &src, View< A > &dst) |
| Calculates absolute value of Sobel's filter along x axis. More...
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template<template< class > class A> |
SIMD_INLINE void | SobelDy (const View< A > &src, View< A > &dst) |
| Calculates Sobel's filter along y axis. More...
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template<template< class > class A> |
SIMD_INLINE void | SobelDyAbs (const View< A > &src, View< A > &dst) |
| Calculates absolute value of Sobel's filter along y axis. More...
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Sobel image filters.
void SimdSobelDx |
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const uint8_t * |
src, |
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size_t |
srcStride, |
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size_t |
width, |
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size_t |
height, |
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uint8_t * |
dst, |
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size_t |
dstStride |
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) |
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Calculates Sobel's filter along x axis.
All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
For every point:
dst[x, y] = (src[x+1,y-1] + 2*src[x+1, y] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x-1, y] + src[x-1, y+1]).
- Note
- This function has a C++ wrappers: Simd::SobelDx(const View<A>& src, View<A>& dst).
- Parameters
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[in] | src | - a pointer to pixels data of the input image. |
[in] | srcStride | - a row size of the input image. |
[in] | width | - an image width. |
[in] | height | - an image height. |
[out] | dst | - a pointer to pixels data of the output image. |
[in] | dstStride | - a row size of the output image (in bytes). |
void SimdSobelDxAbs |
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const uint8_t * |
src, |
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size_t |
srcStride, |
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size_t |
width, |
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size_t |
height, |
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uint8_t * |
dst, |
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size_t |
dstStride |
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) |
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Calculates absolute value of Sobel's filter along x axis.
All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
For every point: dst[x, y] = (src[x+1,y-1] + 2*src[x+1, y] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x-1, y] + src[x-1, y+1]).
- Note
- This function has a C++ wrappers: Simd::SobelDxAbs(const View<A>& src, View<A>& dst).
- Parameters
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[in] | src | - a pointer to pixels data of the input image. |
[in] | srcStride | - a row size of the input image. |
[in] | width | - an image width. |
[in] | height | - an image height. |
[out] | dst | - a pointer to pixels data of the output image. |
[in] | dstStride | - a row size of the output image (in bytes). |
void SimdSobelDy |
( |
const uint8_t * |
src, |
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size_t |
srcStride, |
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size_t |
width, |
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size_t |
height, |
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uint8_t * |
dst, |
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size_t |
dstStride |
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) |
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Calculates Sobel's filter along y axis.
All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
For every point: dst[x, y] = (src[x-1,y+1] + 2*src[x, y+1] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x, y-1] + src[x+1, y-1]);
- Note
- This function has a C++ wrappers: Simd::SobelDy(const View<A>& src, View<A>& dst).
- Parameters
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[in] | src | - a pointer to pixels data of the input image. |
[in] | srcStride | - a row size of the input image. |
[in] | width | - an image width. |
[in] | height | - an image height. |
[out] | dst | - a pointer to pixels data of the output image. |
[in] | dstStride | - a row size of the output image (in bytes). |
void SimdSobelDyAbs |
( |
const uint8_t * |
src, |
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size_t |
srcStride, |
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size_t |
width, |
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size_t |
height, |
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uint8_t * |
dst, |
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size_t |
dstStride |
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) |
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Calculates absolute value of Sobel's filter along y axis.
All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
For every point: dst[x, y] = abs((src[x-1,y+1] + 2*src[x, y+1] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x, y-1] + src[x+1, y-1]));
- Note
- This function has a C++ wrappers: Simd::SobelDyAbs(const View<A>& src, View<A>& dst).
- Parameters
-
[in] | src | - a pointer to pixels data of the input image. |
[in] | srcStride | - a row size of the input image. |
[in] | width | - an image width. |
[in] | height | - an image height. |
[out] | dst | - a pointer to pixels data of the output image. |
[in] | dstStride | - a row size of the output image (in bytes). |
void SobelDx |
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const View< A > & |
src, |
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View< A > & |
dst |
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) |
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Calculates Sobel's filter along x axis.
All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
For every point: dst[x, y] = (src[x+1,y-1] + 2*src[x+1, y] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x-1, y] + src[x-1, y+1]).
- Note
- This function is a C++ wrapper for function SimdSobelDx.
- Parameters
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[in] | src | - an input image. |
[out] | dst | - an output image. |
void SobelDxAbs |
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const View< A > & |
src, |
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View< A > & |
dst |
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) |
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Calculates absolute value of Sobel's filter along x axis.
All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
For every point: dst[x, y] = abs((src[x+1,y-1] + 2*src[x+1, y] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x-1, y] + src[x-1, y+1])).
- Note
- This function is a C++ wrapper for function SimdSobelDxAbs.
- Parameters
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[in] | src | - an input image. |
[out] | dst | - an output image. |
void SobelDy |
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const View< A > & |
src, |
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View< A > & |
dst |
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) |
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Calculates Sobel's filter along y axis.
All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
For every point: dst[x, y] = (src[x-1,y+1] + 2*src[x, y+1] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x, y-1] + src[x+1, y-1]);
- Note
- This function is a C++ wrapper for function SimdSobelDy.
- Parameters
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[in] | src | - an input image. |
[out] | dst | - an output image. |
void SobelDyAbs |
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const View< A > & |
src, |
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View< A > & |
dst |
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) |
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Calculates absolute value of Sobel's filter along y axis.
All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
For every point: dst[x, y] = abs((src[x-1,y+1] + 2*src[x, y+1] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x, y-1] + src[x+1, y-1]));
- Note
- This function is a C++ wrapper for function SimdSobelDyAbs.
- Parameters
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[in] | src | - an input image. |
[out] | dst | - an output image. |
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