MATLAB VIDEO AND IMAGE PROCESSING BLOCKSET 3 Guide de l'utilisateur Page 108

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4 Conversions
TheImagePadblockaddsonecolumntotherightofeachplaneofthe
array by repeating its border values. This padding minimizes the effect
of the pixels outside the image on the processing of the image.
Note When processing video streams, it is computationally expensive to
pad every video frame. You should change the dimensions of the video
stream before you process it with VideoandImageProcessingBlockset
blocks.
7 Use the Selector blocks to separate the individual color planes from the
main signal. This simplifies the color space conversion section of the model.
Set the Selector block parameters as fo llows:
Number of input dimensions =
3
1
4-22
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