6 A few Functions for manipulating images
Function mexExtractPatches
Function mexCombinePatches
Function mexConvFistaFlat
This functions are not well documented yet
6.1 Function mexExtractPatches
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# The R function is not yet implemented.
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6.2 Function mexCombinePatches
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# The R function is not yet implemented.
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6.3 Function mexConvFistaFlat
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# The R function is not yet implemented.
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