@article{Okuno_1998 author = {T. Okuno and S. Nishio and Y. Yoshino}, title = {Flow Field Measurement Method by Means of Time-Averaged Contrast of Images}, journal = {International Journal of Fluid Mechanics Research}, issn = {2152-5102}, year = {1998}, volume = {25}, number = {4-6}, pages = {763--769} }