Kernel: Sobel 3x3

Functions
VX_API_ENTRY vx_node VX_API_CALL	vxSobel3x3Node (vx_graph graph, vx_image input, vx_image output_x, vx_image output_y)
	[Graph] Creates a Sobel3x3 node.
VX_API_ENTRY vx_status VX_API_CALL	vxuSobel3x3 (vx_context context, vx_image input, vx_image output_x, vx_image output_y)
	[Immediate] Invokes an immediate Sobel 3x3.

Detailed Description

Function Documentation

vxSobel3x3Node()

VX_API_ENTRY vx_node VX_API_CALL vxSobel3x3Node	(	vx_graph	graph,
		vx_image	input,
		vx_image	output_x,
		vx_image	output_y )

#include <vx_nodes.h>

[Graph] Creates a Sobel3x3 node.

Parameters

[in]	graph	The reference to the graph.
[in]	input	The input image in VX_DF_IMAGE_U8 format.
[out]	output_x	[optional] The output gradient in the x direction in VX_DF_IMAGE_S16. Must have the same dimensions as the input image.
[out]	output_y	[optional] The output gradient in the y direction in VX_DF_IMAGE_S16. Must have the same dimensions as the input image.

See also

VX_KERNEL_SOBEL_3x3

Returns

vx_node.

Return values

vx_node

A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

vxuSobel3x3()

VX_API_ENTRY vx_status VX_API_CALL vxuSobel3x3	(	vx_context	context,
		vx_image	input,
		vx_image	output_x,
		vx_image	output_y )

#include <vxu.h>

[Immediate] Invokes an immediate Sobel 3x3.

Parameters

[in]	context	The reference to the overall context.
[in]	input	The input image in VX_DF_IMAGE_U8 format.
[out]	output_x	[optional] The output gradient in the x direction in VX_DF_IMAGE_S16.
[out]	output_y	[optional] The output gradient in the y direction in VX_DF_IMAGE_S16.

Returns

A vx_status_e enumeration.

Return values

VX_SUCCESS	Success
*	An error occurred. See vx_status_e.