VISUAL PROCESSING APPARATUS, VISUAL PROCESSING METHOD, PROGRAM, RECORDING MEDIUM, DISPLAY DEVICE, AND INTEGRATED CIRCUIT
1 Assignment
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Accused Products
Abstract
It is possible to inhibit side effects even when an image that has sharp edge regions has been input, using a spatial processing portion (10) outputting surrounding image information US from an input image signal, a control signal generation portion (40) outputting an effect adjustment signal MOD according to a degree of flatness of an edge proximal region, and an effect adjustment portion (20) outputting a synthesized signal MUS that is synthesized by changing a ratio of the image signal IS and the surrounding image information US according to the effect adjustment signal MOD. Further, the side effects are inhibited using a visual processing portion (30) visually processing the image signal IS based on the synthesized signal MUS and the image signal IS.
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Citations
22 Claims
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1-12. -12. (canceled)
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13. A visual processing device, comprising:
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a spatial processing portion operable to perform a predetermined spatial processing on an image signal that has been input using pixels surrounding a target pixel and output a processed signal; and a visual processing portion operable to receive the image signal and the processed signal and output an output signal that has been visually processed for an enhancement of a local contrast, wherein the visual processing portion controls an effect of the enhancement of the local contrast to be reduced with respect to a flat region in the image signal that is proximal to an edge. - View Dependent Claims (14, 15)
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16. An image display device, comprising:
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a spatial processing portion operable to perform a predetermined spatial processing on an image signal that has been input using pixels surrounding a target pixel and output a processed signal; a visual processing portion operable to receive the image signal and the processed signal and output an output signal that has been visually processed for an enhancement of a local contrast; and a display portion operable to display the output signal, wherein the visual processing portion controls an effect of the enhancement of the local contrast to be reduced with respect to a flat region in the image signal that is proximal to an edge.
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17. A television device comprising:
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a reception portion operable to receive a video signal; a decoding portion operable to decode the video signal and output an image signal; a spatial processing portion operable to perform a predetermined spatial processing on the image signal using pixels surrounding a target pixel and output a processed signal; a visual processing portion operable to receive the image signal and the processed signal and output an output signal that has been visually processed for an enhancement of a local contrast; and a display portion operable to display the output signal, wherein the visual processing portion controls an effect of the enhancement of the local contrast to be reduced with respect to a flat region in the image signal that is proximal to an edge.
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18. A portable information terminal device, comprising:
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a reception portion operable to receive a video signal; a decoding portion operable to decode the video signal and output an image signal; a spatial processing portion operable to perform a predetermined spatial processing on the image signal using pixels surrounding a target pixel and output a processed signal; a visual processing portion operable to receive the image signal and the processed signal and output an output signal that has been visually processed for an enhancement of a local contrast; and a display portion operable to display the output signal, wherein the visual processing portion controls an effect of the enhancement of the local contrast to be reduced with respect to a flat region in the image signal that is proximal to an edge.
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19. A camera, comprising:
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an imaging portion operable to capture an image and generate an image signal; a spatial processing portion operable to perform a predetermined spatial processing on the image signal using pixels surrounding a target pixel and output a processed signal; a visual processing portion operable to receive the image signal and the processed signal and output an output signal that has been visually processed for an enhancement of a local contrast; and a display portion operable to display the output signal, wherein the visual processing portion controls an effect of the enhancement of the local contrast to be reduced with respect to a flat region in the image signal that is proximal to an edge.
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20. A visual processing method, comprising:
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a spatial processing step of performing a predetermined spatial processing on an image signal that has been input using pixels surrounding a target pixel and outputting a processed signal; and a visual processing step of receiving the image signal and the processed signal and outputting an output signal that has been visually processed for an enhancement of a local contrast, wherein the visual processing step includes controlling an effect of the enhancement of the local contrast to be reduced with respect to a flat region in the image signal that is proximal to an edge.
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21. An integrated circuit used for an image output device, executing:
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a spatial processing step of performing a predetermined spatial processing on an image signal that has been input using pixels surrounding a target pixel and outputting a processed signal; and a visual processing step of receiving the image signal and the processed signal and outputting an output signal that has been visually processed for an enhancement of a local contrast, wherein the visual processing step includes controlling an effect of the enhancement of the local contrast to be reduced with respect to a flat region in the image signal that is proximal to an edge.
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22. A non-transitory computer-readable storage medium having an image processing program stored thereon, the image processing program for performing a visual processing by a computer, and the image processing program causing a computer to execute a visual processing method comprising:
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a spatial processing step of performing a predetermined spatial processing on an image signal that has been input using pixels surrounding a target pixel and outputting a processed signal; and a visual processing step of receiving the image signal and the processed signal and outputting an output signal that has been visually processed for an enhancement of a local contrast, wherein the visual processing step includes controlling an effect of the enhancement of the local contrast to be reduced with respect to a flat region in the image signal that is proximal to an edge.
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Specification