It's just videos often have compression applied to them which makes any 2D element in videos useless without heavy cleaning of compression artifacts. Even HD videos on YouTube are compressed since YouTube automatically compresses all videos uploaded to it. Probably many other video providers do the same thing.
It's easier to put together tools you either find or buy on the internet to try ripping from video games rather than meticulously comb through video frames one by one and do massive compression artifact cleaning of each 2D element present in the frames.
If you don't mind me asking, what game/cartoon are you wanting to rip from? While this forum has a post requirement before you can request, maybe somebody can at least point you to the tools you may need to extract what you want yourself. It'll just be up to you to find the game to personally rip from online.
It's easier to put together tools you either find or buy on the internet to try ripping from video games rather than meticulously comb through video frames one by one and do massive compression artifact cleaning of each 2D element present in the frames.
If you don't mind me asking, what game/cartoon are you wanting to rip from? While this forum has a post requirement before you can request, maybe somebody can at least point you to the tools you may need to extract what you want yourself. It'll just be up to you to find the game to personally rip from online.