Looking for the lost function generating the lost landscape shown in this article on Sceince

1

I’m looking for the lost function, and data associated, that was used to generate the “lost landscape” (aka, scalar field) image shown on the following article published on Science. Hope someone can shed a light. Thanks.

F1.large
F1.large1205×977 183 KB

Source: “IMAGE: ALEXANDER AMINI, DANIELA RUS. MASSACHUSETTS INSTITUTE OF TECHNOLOGY, ADAPTED BY M. ATAROD/SCIENCE”

[article link] (https://science.sciencemag.org/content/360/6388/478/tab-figures-data)

2

Spatial Uncertainty Sampling for End to End Control, pp.2., by Alexander Amini, Ava Soleimany, Sertac Karaman.

image
image1483×1347 355 KB