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METHOD FOR PROCESSING PROJECTION-BASED FRAME THAT INCLUDES AT LEAST ONE PROJECTION FACE AND AT LEAST ONE PADDING REGION PACKED IN 360-DEGREE VIRTUAL REALITY PROJECTION LAYOUT
METHOD FOR PROCESSING PROJECTION-BASED FRAME THAT INCLUDES AT LEAST ONE PROJECTION FACE AND AT LEAST ONE PADDING REGION PACKED IN 360-DEGREE VIRTUAL REALITY PROJECTION LAYOUT
A video processing method includes: receiving a part of a bitstream; decoding the part of the bitstream to generate a reconstructed projection-based frame with at least one projection face and at least one padding region packed in a projection layout of a 360-degree Virtual Reality (360 VR) projection; obtaining chroma sampling position information that is signaled via the bitstream; and performing a blending process for generating a blended chroma sample value at a target chroma sample position by blending a first chroma sample value obtained for a first chroma sample position in the at least one projection face and a second chroma sample value obtained for a second chroma sample position in the at least one padding region. At least one of the target chroma sample position, the first chroma sample position and the second chroma sample position is determined according to the chroma sampling position information.
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