“…These videos are often viewed using a head-mounted display (HMD), which enables looking around naturally by turning one's head. This form of viewing can provide an immersive and enjoyable experience, and lead to a high sense of presence [1,3,7,17,21,24,35,36]. Current research commonly identifies the need to guide 360 • video viewers, as enabling viewers to choose their own viewpoint may result in them feeling lost or missing things [8,11,23,26,27,32,35,39].…”