I have a set of uncalibrated images (4 or 5 images). In each of those images, I have detected 60 feature points and have matched them in each image. It can be assured that this is accurate upto a very good scale.
Now , a need a method to calibrate camera(same or varying intrinsic parameters). Kruppa's equations are recommended but the method to solve them are very intense and i cannot find any implementations online.
Can someone suggest a method for doing so , and also solving for dual image of absolute quadric?