The OpenVX Specification  a73e458
Equalize Histogram

Detailed Description

Equalizes the histogram of a grayscale image.

This kernel uses Histogram Equalization to modify the values of a grayscale image so that it will automatically have a standardized brightness and contrast [R00054].

Functions

vx_node VX_API_CALL vxEqualizeHistNode (vx_graph graph, vx_image input, vx_image output)
 [Graph] Creates a Histogram Equalization node. More...
 

Function Documentation

◆ vxEqualizeHistNode()

vx_node VX_API_CALL vxEqualizeHistNode ( vx_graph  graph,
vx_image  input,
vx_image  output 
)

[Graph] Creates a Histogram Equalization node.

Parameters
[in]graphThe reference to the graph [R00198].
[in]inputThe grayscale input image in VX_DF_IMAGE_U8 [R00199].
[out]outputThe grayscale output image of type VX_DF_IMAGE_U8 with equalized brightness and contrast [R00200].
Returns
vx_node [R00201].
Return values
vx_nodeA node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus