Patent ID: 7479978

Claim:
A method for performing an inverse telecine process, the method comprising the steps of: calculating a Frame Totals of Absolute Local Field Difference (FT) for each frame of telecine images that are input at a rate of M frames per second; normalizing the Frame Totals of Absolute Local Field Difference (FT) and outputting a vector of normalized Frame Totals of Absolute Local Field Difference (NFT) that are normalized per every five frames, wherein the normalization is performed according to NFT =  FTi - MD K  wherein, FTi is Frame Total Field Difference (FT) of the i-th frame, MD represents the median value of the Frame Total Field Difference (FT) of five consecutive frames, and K represents a denominator; comparing the vector of the normalized Frame Totals of Absolute Local Field Difference (NFT) in a five-frame unit to a reference template; and controlling the number of video frames input at the rate of M frames per second and the number of original film frames that are recovered from the input video frames and output at a rate of N frames per second.