wired camera;
moved around a little
black tape to improve, etc

dots -w -r 9 -c 14 netcam8.5_E_wired/deletemedots
Input image size: (480 (y), 640 (x)). Frames: 1. Bytes/pixel : 1.
Hold on, working...
Working on netcam8.5_E_wired/deletemedots/data.
Read 307200 bytes of input image data.
 C O M    320.22208  239.44667    7.50000    5.00000 
 moment   236.51132    4.78714   49.40560 
 X , Y     42.68671   47.87160 
 linearity error (no correction)  813.87286 
 StartErr    16.22192   320.00   240.00 
 linearity error   16.22192 
 unit =  4.000000 
 unit =  2.000000 
 unit =  1.000000 
 unit =  0.500000 
 unit =  0.250000 
Final Best quarter pixel resolution:    2.58413   325.75   215.50 
Final poly -1.074184e-12 0.000000e+00 6.559819e-07 0.000000e+00 9.561596e-01 
 linearity error    2.58413 
run swarp -w -x  325.75 -y  215.50 -a 9.561563974e-01 -b 6.559797119e-07 -c -1.074180737e-12 -o outfile infile
    Th'th'that's all, FFolks!