Image 2.2.1 package

[ijourneaux]

Is it possible that the routine isimage is missing from the image 2.2.1
package?

Imresize tests that the incoming array is an image using the logic

 elseif (! isimage (im) || (! isrgb (im) && ! isgray (im)))
 
isrgb and is gray are defined but I can not find isimage.

test imresize also produces an error
...
 out = [ 47  249   75   24   44
        221  230  153  115  118
        158   77  168  229  225
        47   135  207   43   73];
 assert (imresize (uint8 (in), 0.5, "nearest"), uint8 (out))
!!!!! test failed
'isimage' undefined near line 65 column 13





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