Episode 48: Image Processing and Anomalies, Part 2
Exposing PseudoAstronomy
English - August 16, 2012 12:00 - 46 minutes - 26.8 MB - ★★★★★ - 186 ratingsNatural Sciences Science Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
Previous Episode: Episode 47: Image Processing and Anomalies, Part 1
So many pseudoscientific claims rely on photographic evidence, and astronomy is no exception. In this Part 2 episode, I build on the basics from Part 1 and talk about dynamic range, noise, rotation, resizing, and adjusting the range of colors displayed. In almost every case, the computer is estimating the final result based on the original image, and anomalies can easily form.