I like watching anime, but some of them have really terrible quality or low resolution which greatly decrease my enjoyment... Fortunately some amazing people has developed many tools to help alleviate this and with some googling and forum lurking I managed to piece it together.
These are some example result of using avisynth with ffdshow, note that this is done in real time.
Super bad source 480p upscaled to 768p
Original using evr
Using avisynth and madvr
Source : [Shinsen-Subs]_To_Heart_2_06_[E98C81CE].avi