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- W2016409093 abstract "In this paper, we present an adaptive frame type selection algorithm for motion compensation, which is applied to low bit rate video coding. In the adaptive scheme, the number of reference frames for motion compensation is determined by a scene change detection algorithm using temporal segmentation. To choose for the distance measure for the temporal segmentation, three histogram-based measures and one variance-based measure were tested and compared. The reference frame positions may be determined by an exhaustive search algorithm which is computationally complex. The complexity can be reduced by using a binary search algorithm which exploits the monotonicity of the distance measure with respect to the reference frame interval. Variable target bit allocation for each picture type in a group of pictures is used to allow a variable number of reference frames with the constraint of constant channel bit rate. Simulation results show that the reference frame positioning scheme compares favorably with the fixed interpolation structure at the bit rates of 64 kb/s and 14.4 kb/s." @default.
- W2016409093 created "2016-06-24" @default.
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- W2016409093 date "1994-09-16" @default.
- W2016409093 modified "2023-09-23" @default.
- W2016409093 title "<title>Adaptive frame type selection for low bit-rate video coding</title>" @default.
- W2016409093 doi "https://doi.org/10.1117/12.185899" @default.
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