@InProceedings{fearing1996a, author = {Paul Fearing}, title = {Importance Ordering for Real-Time Depth of Field}, booktitle = {Proceedings of the Third International Conference on Computer Science}, address = {Hong Kong}, year = {1996}, pages = {372--380}, annote = {Also available as Technical Report TR-96-06 from the Department of Computer Science, University of British Columbia, Vancouver, BC, Canada} }