Image analysis – Image compression or coding – Predictive coding
Reexamination Certificate
2007-01-23
2010-11-02
Alavi, Amir (Department: 2624)
Image analysis
Image compression or coding
Predictive coding
C382S167000, C382S190000
Reexamination Certificate
active
07826673
ABSTRACT:
Methods for predicting a high dynamic range (HDR) image element based on a received low dynamic range (LDR) image element or data and a HDR image element or data. LDR data is extracted to create either a color-converted image element or a LDR image luminance element and a LDR image chrominance element. The created image element or elements are modified either based on prediction data or through a luminance modification operation and a chrominance modification operation. The HDR residual image element is then combined with either a HDR prediction image element or a HDR luminance prediction element and a HDR chrominance prediction element to form an HDR image element. Alternatively, a residual HDR image element may be calculated through a comparison operation.
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Alavi Amir
Brooks Michael B.
Michael Blaine Brooks PC
Ripma David
Sharp Laboratories of America Inc.
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