Recommendation: interesting Approaches to Realtime Refraction with OpenGL

I recently stepped over these two interesting papers on realtime refraction techniques. Can’t wait to occasionally try them out! Realtime rough refraction (De Rousiers et al.) http://graphics.berkeley.edu/papers/DeRousiers-RRR-2011-02/DeRousiers-RRR-2011-02.pdf Preceding is also partly based on these realtime refraction techniques developed by M. Kakimoto et al.: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.104.9755&rep=rep1&type=pdf However, the paper by M. Kakimoto et al. states that its technique lacks…