SYSTEM AND METHOD OF GEOMETRICAL PREDISTORTION OF OVERLAYING GRAPHICS SOURCES
A system and method of geometrical predistortion of a graphical source signal is provided in which the graphical source signal is merged with an input video signal for display on a display device. The input video signal is received at a hardware scaler device and a predistorted video signal is gener...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
29.01.2009
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A system and method of geometrical predistortion of a graphical source signal is provided in which the graphical source signal is merged with an input video signal for display on a display device. The input video signal is received at a hardware scaler device and a predistorted video signal is generated there from. A warping map is calculated using a programmed processor and a graphics source signal is then predistorted, in software, using the warping map to generate a warped graphical overlay signal. The predistorted video signal from the hardware scaler is then merged with the warped graphical overlay signal from the programmed processor. |
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| AbstractList | A system and method of geometrical predistortion of a graphical source signal is provided in which the graphical source signal is merged with an input video signal for display on a display device. The input video signal is received at a hardware scaler device and a predistorted video signal is generated there from. A warping map is calculated using a programmed processor and a graphics source signal is then predistorted, in software, using the warping map to generate a warped graphical overlay signal. The predistorted video signal from the hardware scaler is then merged with the warped graphical overlay signal from the programmed processor. |
| Author | BERBECEL GHEORGHE |
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| SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION |
| Title | SYSTEM AND METHOD OF GEOMETRICAL PREDISTORTION OF OVERLAYING GRAPHICS SOURCES |
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