Method and apparatus for detecting flicker in an LCD image
First Claim
1. A flicker pattern detector coupled to a video signal source suitable for detecting a sub-pixel pair susceptible to producing a flicker event in an image displayed on a liquid crystal display (LCD) unit, comprising:
- a two dimensional flicker pattern analyzer arranged to perform a two dimensional flicker pattern analysis on a selected group of sub-pixels some of which are included in a first plurality of sub-pixels that includes a first current sub-pixel and a first previous sub-pixel included in a first video frameline and a remainder of which are included in a second plurality of sub-pixels included in a second video frameline that is received, in real time, from the video signal source that includes a second current sub-pixel and a second previous sub-pixel, wherein the two dimensional flicker pattern analyzer includes, a first storage device suitable for storing the first plurality of sub-pixels, a second storage device coupled to the first storage device suitably arranged to store the first current sub-pixel, a third storage device arranged to store a the second current sub-pixel, and a comparator unit coupled to the first storage device, the second storage device and the third storage device arranged to, perform a two dimensional compare operation, and update a final flicker frame score based upon the compare operation indicative of the susceptibility of producing a flicker event in an image displayed on a liquid crystal display (LCD) unit.
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Accused Products
Abstract
A method, system and apparatus for detecting a sub-pixel pair susceptible of producing a flicker event in an image from a video signal source displayed on a liquid crystal display (LCD) unit is described. A two dimensional flicker pattern analysis is performed on a selected group of sub-pixels some of which are included in a first plurality of sub-pixels that includes a first current sub-pixel and a first next sub-pixel included in a first video frameline and a remainder of which are included in a second plurality of sub-pixels included in a second video frameline that is received, in real time, from the video signal source that includes a second current sub-pixel and a second current sub-pixel.
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Citations
20 Claims
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1. A flicker pattern detector coupled to a video signal source suitable for detecting a sub-pixel pair susceptible to producing a flicker event in an image displayed on a liquid crystal display (LCD) unit, comprising:
a two dimensional flicker pattern analyzer arranged to perform a two dimensional flicker pattern analysis on a selected group of sub-pixels some of which are included in a first plurality of sub-pixels that includes a first current sub-pixel and a first previous sub-pixel included in a first video frameline and a remainder of which are included in a second plurality of sub-pixels included in a second video frameline that is received, in real time, from the video signal source that includes a second current sub-pixel and a second previous sub-pixel, wherein the two dimensional flicker pattern analyzer includes, a first storage device suitable for storing the first plurality of sub-pixels, a second storage device coupled to the first storage device suitably arranged to store the first current sub-pixel, a third storage device arranged to store a the second current sub-pixel, and a comparator unit coupled to the first storage device, the second storage device and the third storage device arranged to, perform a two dimensional compare operation, and update a final flicker frame score based upon the compare operation indicative of the susceptibility of producing a flicker event in an image displayed on a liquid crystal display (LCD) unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for detecting a sub-pixel pair susceptible of producing a flicker event in an image from a video signal source displayed on a liquid crystal display (LCD) unit, comprising:
performing a two dimensional flicker pattern analysis on a selected group of sub-pixels some of which are included in a first plurality of sub-pixels that includes a first current sub-pixel and a first previous sub-pixel included in a first video frameline and a remainder of which are included in a second plurality of sub-pixels included in a second video frameline that is received, in real time, from the video signal source that includes a second current sub-pixel and a second previous sub-pixel. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. Computer program product for enabling a computer to perform a method for detecting a sub-pixel pair susceptible of producing a flicker event in an image from a video signal source displayed on a liquid crystal display (LCD) unit, comprising:
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computer code for performing a two dimensional flicker pattern analysis on a selected group of sub-pixels some of which are included in a first plurality of sub-pixels that includes a first current sub-pixel and a first previous sub-pixel included in a first video frameline and a remainder of which are included in a second plurality of sub-pixels included in a second video frameline that is received, in real time, from the video signal source that includes a second current sub-pixel and a second previous sub-pixel; and
computer readable medium for storing the computer code. - View Dependent Claims (18, 19, 20)
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Specification