| 摘要 |
An inverse telecine converting device and method converts quasi-television motion picture information back to original cinema motion picture information, wherein the quasi-television motion picture information had been obtained by quasi-converting the original cinema motion picture information. The inverse telecine converting method includes inputting the quasi-television motion picture information including field picture information pieces time-sequentially arranged at a rate of N frames per second such that each frame of the quasi-television motion picture information including top and bottom field picture information pieces and one of every P field picture information pieces of the quasi-television motion picture information is a repetitive field picture information piece; producing judgment frames on the basis of timely-adjacent field picture information pieces of the quasi television motion picture; determining the structure of each judgment frame as being one of a frame structure and a field structure; identifying the repetitive field picture information pieces on the basis of the determined structures corresponding to timely-adjacent judgment frames; and outputting the original cinema motion picture information arranged at a rate of M frames per second, wherein M, N, and P are natural numbers.
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