This is a course in computer vision (with an emphasis on neural networks) presented at the M.Sc. program of the «Harbour Space University», Barcelona, Spain. The course is presented in collaboration with Alex Davydow (he is the author of all Colab notebooks and practical sessions). All lectures are delivered remotely with streaming video; all videos are recorded, uploaded to YouTube, and collected in this playlist, with link-only access to both playlist and individual videos.