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Inverse telecine algorithm based on state machine

A telecine, reverse technology, applied in the direction of TV, color film scanning, parts of TV system, etc.

Inactive Publication Date: 2008-12-24
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the resulting video from telecine processing may be mixed with real NTSC video which has a different base time base

Method used

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  • Inverse telecine algorithm based on state machine
  • Inverse telecine algorithm based on state machine
  • Inverse telecine algorithm based on state machine

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Embodiment Construction

[0027] The following detailed description is directed to certain specific aspects of the invention. However, the invention can be embodied in a multitude of different ways as defined and covered by the claims. In this description reference is made to the drawings, wherein like parts are designated by like numerals throughout.

[0028] figure 1 is a functional block diagram of a transmission system 5 that supports digital transmission of compressed video to multiple terminals. The transmission system 5 includes a digital video source 1, which may be a digital cable feed or a digitized analogue high signal / rate source. The video 1 may be compressed in a transmission facility 2 and modulated there onto a carrier wave for transmission over a network 9 to a terminal 3 .

[0029] Video compression provides the best results when the characteristics of the source are known and used to select the ideal matching form of processing. For example, off-air video can be generated in sev...

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Abstract

A technique for processing video to determine which segments of video originate in a telecine and which conform to the NTSC standard is described herein. The current pull-down phase of the 3:2 pull-down (see below) in a telecine generated video segment is estimated and used to invert the telecine process.

Description

[0001] Claiming priority under 35 U.S.C. §119 [0002] This patent application claims priority to Provisional Application No. 60 / 730,145, filed October 24, 2005, entitled "Inverse Telecine Algorithm Based on State Machine," and The said provisional application is assigned to the present assignee and is expressly incorporated herein by reference. technical field [0003] The system incorporates procedures for distinguishing telecine-generated video from conventionally-produced broadcast video. According to the decision, the data obtained from the decision process contribute to the reconstruction of the film image that has been subjected to telecine processing. Background technique [0004] In the 1990s, television technology switched from using an analog method to represent and transmit video to a digital method. The advantages of digital video were quickly realized once it was realized that existing solid-state technology would enable new methods for processing video. Di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/01
CPCH04N7/0115H04N19/137H04N5/253H04N7/01H04N9/11G11B27/022
Inventor 田涛刘方维贾雅拉克希米·R·拉韦恩德拉恩
Owner QUALCOMM INC