?url_ver=Z39.88-2004&rft_id=doi%3A10.1109%2FCAMP.2003.1598167&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Le%2C+Vu+Ha&rft.aulast=Le&rft.aufirst=Vu+Ha&rft.date=May+2003&rft.title=A+Multiscale+Technique+for+Optical+Flow+Computation+Using+Piecewise+Affine+Approximation&rft.btitle=2003+IEEE+International+Workshop+on+Computer+Architectures+for+Machine+Perception&rft.genre=proceeding