TIL IM2GPS: estimating geographic information from a single image. im2gps/ page on uni site includes even link Code for finding and downloading images on Flickr.

TIL What Are Textons.

TIL what is gist:

In computer vision, GIST descriptors are a representation of a low-dimensional image that contains enough information to identify the scene in an image. Global GIST descriptors allow a very small size representation of an image.

TIL many people started there own TIL sites: 1, 2, 3, 4 by Chris Eidhof from objc.io.