I found this really interesting… While streaming live TV to Chrome, I noted that PMS stated it was transcoding from 1080i to 1080p… I took a couple of screenshots, which isn’t great since it’s a dull tv show that does not have much camera movement, but you can see distinct horizontal lines as if it’s not deinterlaced properly?? 
PMS Stats
This one is more obvious?
This is less obvious, but you can see lines over the persons face (eyes + teeth)
Another image
