Questions, Comments, or the like? Join us join on Discord: https://discord.gg/GnE7XcVs for live and after lecture chats. For more info on the Julia Programming Language, follow us on Twitter: https://twitter.com/JuliaLanguage Course webpage: https://computationalthinking.mit.edu/ Contents 00:00 Welcome 01:25 Announcement: Lectures will be nearly an hour 02:30 Unitful.jl package: adding units to numbers just works in Julia 05:40 Transforming images 06:15 Downsampling/Upsampling 08:55 Linear Combinations (Combining images) 12:20 Element-wise multiplication (broadcast) 14:48 Convex Combinations 18:35 Fun with Photoshop 23:50 Image Filtering (convolutions) 27:17 Definition of convolutions and kernels 28:04 Computer Science: Complexity 28:51 Computer Science: Architectures, GPUs or Graphical Processing Units 30:50 Playing with a few kernels 41:17 Gaussian Filter 47:05 Computer Science: Data Structure: Offset Arrays 49:00 Discrete vs Continuous 50:55 Respect my Boundaries S/O to https://github.com/r2cp for the video timestamps! Want to help add timestamps to our YouTube videos to help with discoverability? Find out more here: https://github.com/JuliaCommunity/YouTubeVideoTimestamps Interested in improving the auto generated captions? Get involved here: https://github.com/JuliaCommunity/YouTubeVideoSubtitles