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== | ==Files== | ||
The max patch can be downloaded from here;<br> | The max patch can be downloaded from here;<br> | ||
[[Media:Pixel_sampling_test_02.maxpat]]<br> | [[Media:Pixel_sampling_test_02.maxpat]]<br> | ||
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4.Chroma key<br> | 4.Chroma key<br> | ||
[[File: KK_dataflow_step4.png|200px|thumb|left]][[File: | [[File: KK_dataflow_step4.png|200px|thumb|left]][[File: KK_dataflow_chromakey.png|200px|thumb|left]]<br> | ||
The alpha channel of noise map is assigned for the alpha channel of a video from webcam.<br> | The alpha channel of noise map is assigned for the alpha channel of a video from webcam.<br> | ||
Now the video is partially transparent.<br> | Now the video is partially transparent.<br> | ||
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5.Transformation<br> | 5.Transformation<br> | ||
[[File: KK_dataflow_step5.png|200px|thumb|left]][[File: | [[File: KK_dataflow_step5.png|200px|thumb|left]][[File: KK_dataflow_offset.png|200px|thumb|left]]<br> | ||
Final composition consists of a original video as a background, and two edited layer with external alpha channel.<br> | Final composition consists of a original video as a background, and two edited layer with external alpha channel.<br> | ||
To deform the video, the edited two layer must be transformed.<br> | To deform the video, the edited two layer must be transformed.<br> | ||
In this case, scale and offset is varied.<br> | In this case, scale and offset is varied.<br> | ||
<br style="clear:both;"> | |||
<br> | |||
6.Composition<br> | |||
[[File: KK_dataflow_step3.png|200px|thumb|left]]<br> | |||
Layers are composited with "jit.alphablend" node, so that the background video can be seen in the transparent area of upper layers.<br> | |||
<br style="clear:both;"> | <br style="clear:both;"> | ||
<br> | <br> | ||
==Result== | ==Result== | ||
[[File: KK_dataflow_overview.png|200px|thumb|left]]<br> | [[File: KK_dataflow_overview.png|200px|thumb|left]]<br> | ||
[[File: KK_dataflow_result.png|200px|thumb|left]]<br> | [[File: KK_dataflow_result.png|200px|thumb|left]]<br> | ||
<br style="clear:both;"> | <br style="clear:both;"> | ||
<br> | <br> | ||
==Photos== | |||
<gallery> | |||
File:Maria_IMG_1107.JPG | |||
File:Maike_IMG_20170401_212748564.jpg | |||
</gallery> | |||