Apparatus and method for converting cinematic images to...

H - Electricity – 04 – N

Patent

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350/39

H04N 3/36 (2006.01) H04N 5/253 (2006.01) H04N 5/44 (2006.01) H04N 7/01 (2006.01)

Patent

CA 2033370

An apparatus and method for converting images recorded in a plurality of frames in a cinematic film into an output video signal having a plurality of fields. A predetermined number of fields of a video signal are generated from each of the plurality of frames of the film such that the predetermined number of fields generated from odd numbered frames differ from the predetermined number of fields generated from even numbered frames by a number n, where n is a positive integer. An interpolated video signal is generated from a plurality of the generated fields of the video signal which include fields generated from at least two sequential frames. The interpolated video signal has a duration of n multiplied by the duration of a field. The interpolated video signal is combined with at least some of the predetermined number of fields of the video signal to form the output video signal.

L'invention est construite par un appareil et une méthode de conversion d'images cinématographiques en un signal vidéo ayant une pluralité de trames. Un nombre prédéterminé de trames est produit pour chacune des images cinématographiques de telle façon que le nombre prédéterminé des trames produites par les images de numéros impairs diffère de n, où n est un entier positif, du nombre prédéterminé des trames produites par les images de numéros pairs. Un signal vidéo interpolé est engendré à partir d'une pluralité de trames de signal vidéo incluant des trames provenant de deux images cinématographiques successives. Le signal vidéo interpolé a une durée égale à n fois la durée d'une trame. Il est combiné avec certaines des trames faisant partie du numéro prédéterminé de trames du signal vidéo pour former le signal vidéo de sortie.

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