select_grayvalues_from

Herror ::select_grayvalues_from_channels ( Hobject MultichannelImage, Hobject IndexImage, Hobject *Selected ) HImage HImage::SelectGrayvaluesFromChannels ( const HImage &IndexImage ) const HImage HImageArray::SelectGrayvaluesFromChannels ( const HImage &IndexImage ) const

Selection of gray values of a multi channel image using an index image.

The operator ::select_grayvalues_from_channels selects gray values from a MultichannelImage. The channel number for each pixel is determined by using IndexImage: The gray value in IndexImage is used as the channel number in MultichannelImage.

Parameters

`MultichannelImage` (input_object)	multichannel-image(-array) `->` Hobject: HImage(Array) ( byte )
Multichannel gray image.

`IndexImage` (input_object)	singlechannelimage `->` Hobject: HImage ( byte )
Image, where gray values are interpreted als indexes.

`Selected` (output_object)	singlechannelimage `->` Hobject : HImage* ( byte )
Depth image.

Example

compose3(Focus0,Focus1,Focus2,&MultiFocus);
depth_from_focus(MultiFocus,&Depth,&Confidence,'highpass','next_maximum');
mean_image(Depth,&Smooth,15,15);
select_grayvalues_from_channels(MultiChannel,Smooth,SharpImage);

Possible Predecessors

::depth_from_focus, ::mean_image

Possible Successors

::disp_image

See also

::count_channels

Module

Tools