Not quite. If you're interested take a look at, https://youtu.be/eKaYnXQUb2g?t=6m10s https://youtu.be/eKaYnXQUb2g?t=6m10s https://www.youtube.com/watch?v=iz9U

Not quite. If you're interested take a look at, https://youtu.be/eKaYnXQUb2g?t=6m10s https://youtu.be/eKaYnXQUb2g?t=6m10s https://www.youtube.com/watch?v=iz9UVIo_ZUo&list=PL0AknDL1Vt-nEn1U-ztDulFATxiPvrELY&index=10 https://www.youtube.com/watch?v=iz9UVIo_ZUo&list=PL0AknDL1Vt... Camera homography preserves straight-lines, but it also gives a heuristic to avoid obstacles. Apparently this is also how bees and birds navigate.