Distortion is also important

來源: 於 2012-01-31 09:29:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

If you can see a straight line curved at the edge of picture, you will have ~2% or so distortion. How about 0.1% distortion?  That still makes a satelite camera not accurate enough