REVISION DATE: 30-Jul-2018 16:23:34

The graphs below show how I defined the tracks. Grey/green patches are what is averaged for each track.

 
Track pixels: 
Track:  1       2       3       4       5       6       7       8       9      10      11      12      13      14
Left:   3      81     156     230     302     375     446     519     590     662     734     806     880     955
Right:  80     155     229     301     374     445     518     589     661     733     805     878     953    1024

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

Figure 14

Figure 15