Method and apparatus for forming a video signal using motion est

Details Method and apparatus for forming a video signal using motion est Method and apparatus for forming a video signal using motion est

1994-09-30

1996-08-13

Kostak, Victor R.

Television

Format conversion

Field rate type flicker compensating

348459, 348910, H04N 701

Patent

active

055461301

ABSTRACT:
Motion compensated video output signal (SO) produced by a soft switching or "fading" (SSW) between the a motion compensated interpolation (MCI) and a "fallback" mode (FFI) (e.g., intra-field), controlled by a "measure of confidence" (CF) in the reliability of the estimated motion vector. The confidence measure includes the following two components, namely: (i) a "basic confidence measure" (e.g., a block based, minimum motion estimation error (BME) and (ii) a measure based on the motion velocity or "speed" of movement of the motion vector or its horizontal (MVX) and vertical components (MVY).

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Signal Processing of HDTV, 29 Feb.-Mar. 1988, pp. 345-354, Reuter et al., "Motion Vector Estimation for Improved Standards Conversion".
BBC Research Department Report No. 11, Sep. 1987, Tadworth, G. B., pp. 1-20, Thomas "Television Motion Measurement for DATV and Other Applications".
Signal Processing of HDTV, II; 30 Aug.-1 Sep. 1989; Turin, IT, pp. 649-655, Haghiri et al. "A motion Compensated Field Rate Conversion Algorithm".
Signal Processing Of HDTV; 29 Feb.-2 Mar. 1988; L'Aquila, IT, pp. 393-399 Fernando et al., "Motion Compensated Display Conversion".

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