Method And Image Sensor For Image Sharpening And Apparatuses Including The Image Sensor
First Claim
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1. A method for image sharpening, the method comprising:
- deciding a predominant edge direction of an image based on edge directions of a plurality of pixels; and
sharpening each of the pixels based on the predominant edge direction and the edge directions of the pixels.
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Abstract
The method includes deciding a predominant edge direction of an image using edge directions of a plurality of pixels, and sharpening each of the pixels based on the predominant edge direction and the edge directions of the pixels.
9 Citations
19 Claims
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1. A method for image sharpening, the method comprising:
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deciding a predominant edge direction of an image based on edge directions of a plurality of pixels; and sharpening each of the pixels based on the predominant edge direction and the edge directions of the pixels. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An image sensor comprising:
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an image sensing block configured to convert an optical image into electrical image data and output the electrical image data; and an image signal processor configured to decide a predominant edge direction of the electrical image data using edge directions of a plurality of pixels forming the electrical image data and to sharpen each of the pixels based on the predominant edge direction and the edge directions of the pixels. - View Dependent Claims (8, 9, 10, 11, 12)
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13. An image sensing system comprising:
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an image sensor configured to convert an optical image into electrical image data and output the electrical image data; and an image signal processor configured to decide a predominant edge direction of the electrical image data using edge directions of a plurality of pixels forming the electrical image data and to sharpen each of the pixels based on the predominant edge direction and the edge directions of the pixels. - View Dependent Claims (14, 15, 16, 17, 18)
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19-24. -24. (canceled)
Specification