APPLYING A SCALING FACTOR TO SELECT A FILTER FOR FILTERING DECODED VIDEO DATA
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United States of America
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Apr 10, 2025
app pub date -
Sep 11, 2024
filing date -
Sep 11, 2024
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Abstract
A device for filtering decoded video data includes a memory configured to store video data; and a processing system implemented in circuitry and configured to: calculate a filter selection value for a decoded block of video data; quantize the filter selection value using a scaling factor to form a quantized filter selection value; select a filter for the decoded block according to the quantized filter selection value; and filter the decoded block using the selected filter. The filter selection value may be an activity value that is the sum of horizontal and vertical Laplacian values. The processing system may quantize the filter selection value using a scaling factor, which the processing system may determine based on a color component to which the block belongs and/or a color sampling format of a picture including the block.
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