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Hierarchical Segmentation-Based Image Coding Using Hybrid Quad-Binary Trees
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DOI：10.1109/TIP.2009.2017339.png)
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Abstract
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A novel segmentation-based image approximation and coding technique is proposed. A hybrid quad-binary (QB) tree structure is utilized to efficiently model and code geometrical information within images. Compared to other tree-based representation such as wedgelets, the proposed QB-tree based method is more efficient for a wide range of contour features such as junctions, corners and ridges, especially at low bit rates.
Keywords:
Beamlets
binary space-partitioning
image coding
platelets
quadtrees
segmentation
wedgelets
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