@InProceedings{yu98icip, author = {W. Yu and K. Daniilidis and G. Sommer}, title = {Low-cost junction characterization using polar averaging filters}, booktitle = {Int. Conf. Image Processing, ICIPŽ98}, publisher = {IEEE Signal Processing Society}, address = {Chicago, Illinois}, year = 1998, volume = 3, pages = {41-44}, }