Camera images usually contain additional description about camera settings and scene information of the the picture taken. By using EXIF, you can view this data online.
The video you are about to witness is a live camera recording of a live projection-mapping performance. Meaning, no special effects or CGI were used in this video, amazing.
Not your average pixel effect tutorial, let me show you a nice little trick where you apply the normal square pixelated effect and turn it into checkered, diamond looking photo pixels.