ImageJ to import movies

    In this exercise, you will setup imageJ, download a movie sequence and find the mean square deviation of a bead in the movie
    1. Download ImageJ if it is not on your computer
    2. Download virtualdub if it is not on your computer
    3. Download the sample movie
    4. On a windows machine, load the movie into virtualdub and save it as a sequence of images
    5. On a mac, process the movie with iSquint (free download -- google it) and convert it to mp4 (TV, high res). Then, import the mp4 into Imovie and save it as a sequence of images (share --> export movie using QuickTime)
    6. start imageJ and load the sequence of images, be sure to check the box for 8-bit gray scale.
    7. measure the field of view
    8. What are its units?