NHK's This Is Hi-Vision (1987 Analog HDTV) [video]

What is the halation like artifact around the edges called? This makes the picture so unappealing to me. I'm so glad the modern digital cameras don't have this problem. I hope I'm explaining the issue well. I wish I could post a frame grab here.

Another impressive early HDTV example:

https://youtu.be/eMefy5VK9TI - Toto, Montreaux, 1991