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US 2008/0175494 A1Published application
Methods and Systems for Inter-Layer Image Prediction
AssigneeSharp Laboratories of America, Inc.
InventorChristopher A. Segall
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Abstract
Embodiments of the present invention comprise systems and methods for predicting image elements.
Claims20
A method for predicting a high dynamic range image element, said method comprising:
- receiving low dynamic range (LDR) image data;
- receiving high dynamic range (HDR) image data comprising prediction data and an HDR residual image element;
- extracting an LDR image value from said LDR image data;
- modifying said LDR image value based on said prediction data;
- and
- combining said modified LDR image value with said HDR residual image element to form an HDR image element.
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A method for predicting a high dynamic range image element, said method comprising:
- receiving a low dynamic range (LDR) image element;
- receiving a high dynamic range (HDR) image element corresponding to said LDR image element;
- compressing said LDR image element;
- decompressing said compressed LDR image element;
- modifying said decompressed LDR image element;
- calculating a residual HDR image element by comparing said modified, decompressed LDR image element with said HDR image element;
- and
- combining said residual HDR image element with prediction data comprising modification parameters used in said modifying to form HDR image data.
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Dependencies are inferred from the claim text.