on RESIZED IMAGES (resized to 480_640 after vidtomem gave 486_720; note vlan_grab gives (gave) 480_640, hence the need to resize to match)

dots -r4 -c4 dots1_resized
Input image size: (480 (y), 640 (x)). Frames: 1. Bytes/pixel : 1.
Hold on, working...
Working on dots1_resized/data.
Read 307200 bytes of input image data.
dots.c: assuming dots are white on a black background
 C O M    329.69525  241.52768    2.50000    2.50000 
 moment   219.12843    1.58114  138.58899 
 X , Y    131.61778   96.14750 
 linearity error (no correction)  459.33136 
 StartErr    49.31256   320.00   240.00 
 linearity error   49.31256 
 unit =  4.000000 
 unit =  2.000000 
 unit =  1.000000 
 unit =  0.500000 
 unit =  0.250000 
 unit =  0.125000 
 unit =  0.062500 
Final Best quarter pixel resolution:    0.43111   333.94   293.00 
Final poly 3.252453e-12 0.000000e+00 1.046068e-06 0.000000e+00 9.135202e-01 
 linearity error    0.43111 
now run: swarp -w -x  333.94 -y  293.00 -a 9.135164337e-01 -b 1.046063839e-06 -c 3.252439319e-12 -o outfile infile

(the following 5 rows of 6 dots, lower right dot was very slighly beyond its
boundary...)
dots -r5 -c6 dots5_resized
Input image size: (480 (y), 640 (x)). Frames: 1. Bytes/pixel : 1.
Hold on, working...
Working on dots5_resized/data.
Read 307200 bytes of input image data.
dots.c: assuming dots are white on a black background
 C O M    298.50238  241.62758    3.50000    3.00000 
 moment   220.02223    2.21736   99.22730 
 X , Y     85.10074   80.46878 
 linearity error (no correction) 1017.14966 
 StartErr   126.01949   320.00   240.00 
 linearity error  126.01949 
 unit =  4.000000 
 unit =  2.000000 
 unit =  1.000000 
 unit =  0.500000 
 unit =  0.250000 
 unit =  0.125000 
 unit =  0.062500 
Final Best quarter pixel resolution:    1.93404   333.06   291.00 
Final poly 4.145763e-12 0.000000e+00 9.675319e-07 0.000000e+00 9.052007e-01 
 linearity error    1.93404 
now run: swarp -w -x  333.06 -y  291.00 -a 9.051847539e-01 -b 9.675149156e-07 -c 4.145689721e-12 -o outfile infile


-----------------------------------------------------------------------------


on original 486_720 size images

dots -r4 -c4 dots1
Input image size: (486 (y), 720 (x)). Frames: 1. Bytes/pixel : 1.
Hold on, working...
Working on dots1/data.
Read 349920 bytes of input image data.
dots.c: assuming dots are white on a black background
 C O M    370.47406  244.06969    2.50000    2.50000 
 moment   236.64828    1.58114  149.66951 
 X , Y    147.89390   97.15393 
 linearity error (no correction)  512.29376 
 StartErr    54.59111   360.00   243.00 
 linearity error   54.59111 
 unit =  4.000000 
 unit =  2.000000 
 unit =  1.000000 
 unit =  0.500000 
 unit =  0.250000 
 unit =  0.125000 
 unit =  0.062500 
Final Best quarter pixel resolution:    6.42342   376.38   290.81 
Final poly 3.110088e-12 0.000000e+00 7.834348e-07 0.000000e+00 9.190236e-01 
 linearity error    6.42342 
now run: swarp -w -x  376.38 -y  290.81 -a 9.190191844e-01 -b 7.834310217e-07 -c 3.110073212e-12 -o outfile infile



/mas/vision/projects/TextureHeads/LieOrbits/dots -r5 -c6 dots5
Input image size: (486 (y), 720 (x)). Frames: 1. Bytes/pixel : 1.
Hold on, working...
Working on dots5/data.
Read 349920 bytes of input image data.
dots.c: assuming dots are white on a black background
 C O M    335.39789  244.15382    3.50000    3.00000 
 moment   239.66631    2.21736  108.08654 
 X , Y     95.61751   81.30836 
 linearity error (no correction) 1110.34521 
 StartErr   125.05033   360.00   243.00 
 linearity error  125.05033 
 unit =  4.000000 
 unit =  2.000000 
 unit =  1.000000 
 unit =  0.500000 
 unit =  0.250000 
 unit =  0.125000 
 unit =  0.062500 
Final Best quarter pixel resolution:   14.10882   378.25   288.75 
Final poly 3.670028e-12 0.000000e+00 6.852150e-07 0.000000e+00 9.090108e-01 
 linearity error   14.11025 
now run: swarp -w -x  378.25 -y  288.75 -a 9.089922436e-01 -b 6.852009767e-07 -c 3.669952557e-12 -o outfile infile
    Th'th'that's all, FFolks!