Apparatuses and methods for incorporating a border within an image
First Claim
Patent Images
1. A hardware implemented method for incorporating a border region within an image region, comprising the method operations of:
- computing a relative position of a pixel within the image region;
comparing the relative position of the pixel with a border region width to determine whether the pixel is located in the border region;
fetching a border pixel from a border memory if the relative position of the pixel is in the border region; and
fetching an image pixel from a main memory if the relative position of the pixel is in the image region.
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Abstract
A hardware implemented method for incorporating a border region within an image region is provided. In this hardware implemented method, a main image fetching circuit is accessed to determine a relative position of a pixel within the image region. Subsequently, an image pixel or a border pixel is fetched dependent upon the relative position of the pixel. An apparatus and display controllers for incorporating the border region within the image region also are described.
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Citations
21 Claims
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1. A hardware implemented method for incorporating a border region within an image region, comprising the method operations of:
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computing a relative position of a pixel within the image region;
comparing the relative position of the pixel with a border region width to determine whether the pixel is located in the border region;
fetching a border pixel from a border memory if the relative position of the pixel is in the border region; and
fetching an image pixel from a main memory if the relative position of the pixel is in the image region. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A display controller for incorporating a border region within an image region, comprising:
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a main memory configured to store an image pixel;
a border memory configured to store a border pixel;
a memory controller configured to fetch the image pixel from the main memory and to fetch the border pixel from the border memory; and
a main image fetching circuit in communication with the memory controller, the main image fetching circuit including, logic for computing a relative position of a pixel within the image region, logic for fetching the border pixel from the border memory if the relative position of the pixel is in the border region, and logic for fetching the image pixel from the main memory if the relative position of the pixel is in the image region. - View Dependent Claims (9, 10, 11)
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12. An apparatus for incorporating a border region within an image region, comprising:
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a display controller including, circuitry for accessing a main image fetching circuit to determine a relative position of a pixel within the image region, and circuitry for fetching an image pixel or a border pixel dependent upon the relative position of the pixel;
a central processing unit (CPU) in communication with the display controller; and
a display in communication with the display controller, the display enabling the display of the image region. - View Dependent Claims (13, 14)
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15. A hardware implemented method for incorporating a border region within an image region, comprising the method operations of:
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accessing a main image fetching circuit to determine a relative position of a pixel within the image region; and
fetching an image pixel or a border pixel dependent upon the relative position of the pixel. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification