The OpenVX Specification  r28647
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Absolute Difference

Detailed Description

Computes the absolute difference between two images.

Absolute Difference is computed by:

\[ out(x,y) = |in_1(x,y) - in_2(x,y)| \]

Functions

vx_node vxAbsDiffNode (vx_graph graph, vx_image in1, vx_image in2, vx_image out)
 [Graph] Creates an AbsDiff node. More...
 
vx_status vxuAbsDiff (vx_context context, vx_image in1, vx_image in2, vx_image out)
 [Immediate] Computes the absolute difference between two images. More...
 

Function Documentation

vx_node vxAbsDiffNode ( vx_graph  graph,
vx_image  in1,
vx_image  in2,
vx_image  out 
)

[Graph] Creates an AbsDiff node.

Parameters
[in]graphThe reference to the graph.
[in]in1An input image in VX_DF_IMAGE_U8
[in]in2An input image in VX_DF_IMAGE_U8
[out]outThe output image in VX_DF_IMAGE_U8
Returns
vx_node.
Return values
0Node could not be created.
*Node handle.
vx_status vxuAbsDiff ( vx_context  context,
vx_image  in1,
vx_image  in2,
vx_image  out 
)

[Immediate] Computes the absolute difference between two images.

Parameters
[in]contextThe reference to the overall context.
[in]in1An input image
[in]in2An input image
[out]outThe output image.
Returns
A vx_status_e enumeration.
Return values
VX_SUCCESSSuccess
*An error occurred. See vx_status_e.