normp
      Arguments:
      
      Description:
Compute the pointwise Lp-norm norm of vector-valued pixels in selected images.
Default values:
p=2.
      Example of use:
       <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +normp[0] 0 +normp[0] 1 +normp[0] 2 +normp[0] inf
                
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +normp[0] 0 +normp[0] 1 +normp[0] 2 +normp[0] inf
        
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +normp[0] 0 +normp[0] 1 +normp[0] 2 +normp[0] inf
        
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +normp[0] 0 +normp[0] 1 +normp[0] 2 +normp[0] inf
        
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +normp[0] 0 +normp[0] 1 +normp[0] 2 +normp[0] inf
        
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +normp[0] 0 +normp[0] 1 +normp[0] 2 +normp[0] inf