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May 12, 2015, 01:29 AM
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Another day of testing path footage revealed the mane problem is detecting the horizon. The RALPH algorithm requires the camera to be pointed down from high enough to fill the frame with some distance down the path. The Tamiya is too low. Even with GPS aid, it was still unsolvable without spherincal LIDAR. 10 years on, spherincal LIDAR is still more than the cost of a new car.

It turns out all the LIDAR modules GOOG uses are made by 1 company, invented by 1 guy in search of a use for a real estate investment that went bust in 2001. There was a nifty video about it.

Velodyne: On Sound, LiDar, and Marine Technologies (25 min 7 sec)

A good reminder that if a real estate investment had to go bust for the innovation to happen, how much innovation can happen in a world without recessions, where there is no interest on credit, no limit to borrowing, any invention no matter how small has infinte valuatioin.

Also a good reminder that 10 years on, no-one at the Goog has a clue how to make an audio limiter. They just know how to recite 50 path following algorithms in interviews.
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