Patent ID: 8780265
Filing Date: 2014-07-15
Classification: H04N

Abstract:
1. A method of converting a film image into a television (TV) image, the method comprising: receiving a film image; checking field information included in header information of the film image; and converting the film image into the TV image by a 3:2 pull-down method, based on the checked field information, wherein the converting the image comprises, every four frames of the film image, the first operation of adding an odd field to the first frame among the four frames of the film image, when an accumulated value of the field information is 4n (n=0, 1, 2, 3 . . . ); the second operation of adding no field to the second frame among the four frames of the film image, when an accumulated value of the field information is 4n+1 (n=0, 1, 2, 3 . . . ); the third operation of adding an even field to the third frame every four frames and changing a location of fields constituting the third frame, when an accumulated value of the field information is 4n+2 (n=0, 1, 2, 3 . . . ), and the fourth operation of adding no field to the fourth frame every four frames and changing a location of fields constituting the fourth frame, when an accumulated value of the field information is 4n+3 (n=0, 1, 2, 3 . . . ), and wherein the first to fourth operations are repeated in sequence every four frames of the film image.