Non-square scaling of image data to be mapped to pixel sub-components
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United States of America Patent
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Aug 21, 2001
Grant Date -
N/A
app pub date -
Oct 7, 1998
filing date -
Oct 7, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatus for displaying an image by uttilizing pixel sub-components which form a pixel element of an LCD display as separate luminous intensity elements. By treating the pixel sub-components independently, increased resolution is achieved in the dimension that is perpendicular to the dimension in which the screen is striped. To take advantage of the increased resolution, the image is processed by first scaling the image data in one dimension at a rate that is greater than the scaling of the image data in another dimension. The pixel sub-components are then independently determined from different portions of the scaled image data though scan conversion, which may involve the use of different weights for each color component. Color distortions such as color fringing is compensated by treating eachi pixel sub-component independently. For horizontally flowing text, applications, screens with vertical striping are preferred.
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