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Gerard De Haan, Robert J Schutten, Anna Pelagotti: Motion estimation and motion-compensated interpolition. US Philips Corporation, Edward W Goodman, May 7, 2002: US06385245 (161 worldwide citation)

In a method of estimating motion, at least two motion parameter sets are generated (PE1-PEn) from input video data (n, n−1), a motion parameter set being a set of parameters describing motion in an image, by means of which motion parameter set motion vectors can be calculated. One motion parameter s ...


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Gerard de Haan, Hendrik Huijgen: Motion vector processing device. U S Philips Corporation, Edward W Goodman, September 15, 1992: US05148269 (71 worldwide citation)

In motion compensated interpolation of TV-pictures it is usual to divide the picture into a plurality of blocks, a motion vector being determined for each block. This division into blocks has the disadvantage, that sometimes block boundaries become visible (dirty window effect). The invention genera ...


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Gerard De Haan, Michiel Adriaanszoon Klompenhouwer: Anti motion blur display. Koninklijke Philips Electronics, Edward W Goodman, August 16, 2005: US06930676 (51 worldwide citation)

A method, a circuit arrangement and a display device which suppresses motion blur due to motion integration carried out along a motion trajectory on the image data, which occurs in matrix type displays in which a motion trajectory is integrated by the viewer and/or the display, includes an inverse i ...


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Gerard De Haan, Hendrik Huijgen: Method of estimating motiion in a picture signal. U S Philips Corporation, Michael E Marion, December 10, 1991: US05072293 (44 worldwide citation)

In a method of estimating motion per picture portion in an image of a picture signal, wherein, starting from a first (x0=x1, y0=y2) and a second (x0=x3, y0=y4) starting vector a motion vector is determined, a first and a second candidate motion vector, respectively, are determined on the basis of th ...


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Gerard De Haan, Hendrik Huijgen, Paul W A C Biezen, Olukayode A Ojo: Method and apparatus for discriminating between movie film and non-movie film and generating a picture signal processing mode control signal. U S Philips Corporation, Michael E Marion, November 15, 1994: US05365280 (33 worldwide citation)

In a method of controlling a picture signal processing mode, first and second motion vectors are determined (ME, D.sub.T) for first and second fields, and a picture signal processing mode control signal is obtained by comparing (D.sub.T, -, COMP-R) the first and second motion vectors. The control si ...


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Gerard De Haan, Paul W A C Biezen, Olukayode A Ojo: Interlaced-to-sequential scan conversion. U S Philips Corporation, Edward W Goodman, July 2, 1996: US05532750 (32 worldwide citation)

In a method of converting an interlaced video signal (IS) into an output sequentially scanned video signal (SSS), a first sequentially scanned video signal (SS1) is furnished in dependence upon the interlaced video signal (IS). Subsequently, a motion-compensated sequentially scanned signal (MCS) is ...


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Gerard De Haan, Anna Pelagotti: Motion vector estimation and detection of covered/uncovered image parts. U S Philips Corporation, John F Vodopia, April 17, 2001: US06219436 (32 worldwide citation)

In a method of detecting covered and uncovered parts in an image to be interpolated between neighboring previous (I) and next (III) input images, backward motion vectors from the next input image to the previous input image, and having corresponding backward estimation errors, and forward motion vec ...


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Gerard De Haan, Paul W A C Biezen: Video signal scan conversion. U S Philips Corporation, Steven R Biren, March 7, 2000: US06034734 (31 worldwide citation)

In a scan conversion method of generating an output video signal from an interlaced input signal, including the steps of furnishing (1) a first signal having first lines (F.sub.i (x-(0, 1).sup.T, n)) corresponding to original lines of the interlaced input signal, and second lines (F.sub.i (x, n)) in ...


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Gerard De Haan, Tatiana G Kwaaitaal Spassova, Robert J Schutten: Image data recursive noise filter with reduced temporal filtering of higher spatial frequencies. U S Philips Corporation, Lerov Eason, May 11, 1999: US05903680 (31 worldwide citation)

An image data recursive noise filter wherein relatively high spatial frequency components of the image data are either not filtered at all or are filtered to a lesser degree than relatively low spatial frequency components of the image data. This minimizes blurring of fine low-contrast detail and al ...