Quote:
Originally Posted by stickyfingerz
No offense, but how do you think you can gain quality by converting a smaller resolution to a larger one...  |
No offense at all. It's all about what the human visitor may perceive as quality and not about the technical quality as pixels count and such.
The concept is the same as when you interpolate a small pic and make it bigger by artificially raising it's resolution. You can just zoom that pic and have a very similar effect, but the human eye likes more the interpolated pic than the zoomed low resolution original.
You can just resize a 320x240 video to 640x480 into the player, but then the player interpolation is made in real time, if the player interpolates at all, and usually ends with 4x4 pixel squares all over the video.
Processing the video properly will "eliminate" these squares by interpolation, noise reduction and gamma correction. The square pixels will be still there because you cannot get more data to fill them if there is not, but the human visitor eye will barely notice them if it notices them at all.