Patent ID: 7634134

Claim:
A method comprising: using a computer or a motion picture playback apparatus to perform steps of: for each of a plurality of still images of a motion picture, rendering a respective sequence of sub-frames such that each sub-frame comprises a respective portion of the still image with the sequence of sub-frames summing to the still image, an overall sequence of sub-frames comprising the respective sequences of sub-frames ordered according to an order of the plurality of still images; wherein: each pair of consecutive still images of the plurality of still images of the motion picture comprises in sequence a first still image for which a first sequence of sub-frames is rendered, and a second still image for which a second sequence of sub-frames is rendered; and for at least some pairs of consecutive still images of the plurality of still images of the motion picture, there is a variation between the pair of consecutive still images as to a manner in which the respective portions are generated such that a gap left in the first still image due to omission of one or more sub-frames of the first sequence of sub-frames is not filled by a corresponding one or more sub-frames of the second sequence of sub-frames.