Enhancing video sharpness and contrast by luminance and chrominance transient improvement
First Claim
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1. An apparatus, comprising:
- a processor;
a media processing node arranged to enhance sharpness of an input image using said processor, said media processing node comprising;
a receiver to receive the input image;
a wavelet decomposition module to perform wavelet decomposition of said input image to detect and modify edge information, wherein said wavelet decomposition module is to perform multiple levels of decomposition, with each level of decomposition having a detail component and an approximation component; and
an edge enhancement module to receive said detail component as wavelet decomposition output from said wavelet decomposition module, and perform horizontal, vertical and diagonal enhancement on said detail component.
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Abstract
An apparatus, system, method, and article for enhancing video sharpness are described. The apparatus may include a media processing node to enhance sharpness of an input image. The media processing node may include a wavelet decomposition module to perform wavelet decomposition of the input image to detect and modify edge information. Other embodiments are described and claimed.
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Citations
18 Claims
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1. An apparatus, comprising:
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a processor; a media processing node arranged to enhance sharpness of an input image using said processor, said media processing node comprising; a receiver to receive the input image; a wavelet decomposition module to perform wavelet decomposition of said input image to detect and modify edge information, wherein said wavelet decomposition module is to perform multiple levels of decomposition, with each level of decomposition having a detail component and an approximation component; and an edge enhancement module to receive said detail component as wavelet decomposition output from said wavelet decomposition module, and perform horizontal, vertical and diagonal enhancement on said detail component. - View Dependent Claims (2, 3, 4, 5)
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6. A system, comprising:
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a source node; a processor; a media processing node to couple to said source node and arranged to enhance sharpness of an input image using said processor, said media processing node comprising; a receiver to receive an input image; a wavelet decomposition module to perform wavelet decomposition of said input image to detect and modify edge information, wherein said wavelet decomposition module is to perform multiple levels of decomposition, with each level of decomposition having a detail component and an approximation component; and an edge enhancement module to receive said detail component as wavelet decomposition output from said wavelet decomposition module, and perform horizontal, vertical and diagonal enhancement on said detail component. - View Dependent Claims (7, 8, 9, 10)
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11. A method, comprising:
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receiving an input image in a computer comprising a processor; performing multiple levels of wavelet decomposition of said input image to detect and modify edge information with said processor, with each level of decomposition having a detail component and an approximation component; receiving said detail component as wavelet decomposition output; and performing horizontal, vertical and diagonal enhancement on said detail component of said wavelet decomposition output with said processor. - View Dependent Claims (12, 13, 14, 15)
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16. An article comprising a computer-readable storage medium containing instructions that when executed enable a computer to:
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receive an input image; perform multiple levels of wavelet decomposition of said input image to detect and modify edge information, with each level of decomposition having a detail component and an approximation component; receive said detail component as wavelet decomposition output; and perform horizontal, vertical and diagonal enhancement on said detail component of said wavelet decomposition output. - View Dependent Claims (17, 18)
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Specification