Inter-layer prediction method for video signal
First Claim
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1. A method for decoding a video signal, the method comprising:
- decoding, by a decoder, a field macroblock pair in a base layer, the field macroblock pair being two vertically adjacent field macroblocks in a MacroBlock Adaptive Frame Field frame (MBAFF frame), the MBAFF frame being a frame including macroblocks adaptively decoded as frame macroblock or field macroblock;
constructing, by the decoder, a frame macroblock pair from the field macroblock pair;
separating, by the decoder, the frame macroblock pair into even field components and odd field components;
interpolating, by the decoder, the even field components and odd field components in a vertical and/or horizontal direction;
interleaving, by the decoder, the interpolated even field components and odd field components;
obtaining, by the decoder, a reference image by using the interleaved even field components and odd field components; and
obtaining, by the decoder, texture prediction information of a current block in an enhanced layer by using the reference image.
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Abstract
The present invention relates to a method for using interlaced video signal of a base layer in interlayer texture prediction. The present method constructs a pair of frame macro blocks from vertically-adjacent two field macro blocks pertaining to interlaced video signal of a base layer, separates video signal containing the pair of frame macro blocks into even-field and odd-field components, interpolates the even-field and the odd-field components respectively in vertical and/or horizontal direction, and constructs a combined video data by interleaving the interpolated even-field and odd-field components.
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Citations
6 Claims
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1. A method for decoding a video signal, the method comprising:
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decoding, by a decoder, a field macroblock pair in a base layer, the field macroblock pair being two vertically adjacent field macroblocks in a MacroBlock Adaptive Frame Field frame (MBAFF frame), the MBAFF frame being a frame including macroblocks adaptively decoded as frame macroblock or field macroblock; constructing, by the decoder, a frame macroblock pair from the field macroblock pair; separating, by the decoder, the frame macroblock pair into even field components and odd field components; interpolating, by the decoder, the even field components and odd field components in a vertical and/or horizontal direction; interleaving, by the decoder, the interpolated even field components and odd field components; obtaining, by the decoder, a reference image by using the interleaved even field components and odd field components; and obtaining, by the decoder, texture prediction information of a current block in an enhanced layer by using the reference image. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification