Methods and systems for inter-layer image prediction with color-conversion
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United States of America Patent
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Nov 2, 2010
Grant Date -
Jul 24, 2008
app pub date -
Jan 23, 2007
filing date -
Jan 23, 2007
priority date (Note) -
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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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