@conference {jaehne1989c, title = {Motion determination in space-time images}, booktitle = {Image Processing III, SPIE Proceeding 1135, international congress on optical science and engineering, Paris, 24-28 April 1989}, year = {1989}, pages = {147--152}, doi = {10.1117/12.961657}, author = {Bernd J{\"a}hne} }