New interleaved hierarchical interpolation with median-based interpolators for progressive image transmission

Bing Zeng, Ming Sun Fu, Chun Cheong Chuang

Research output: Contribution to journalJournal Articlepeer-review

8 Citations (Scopus)

Abstract

The Hierarchical INTerpolation (HINT) algorithm provides an interpolated-pyramid data structure that is truly lossless and non-redundant for progressive image transmission. By splitting the interpolation into two directional stages, the so-called interleaved HINT (IHINT) is developed to further reduce the resulting entropy. In this paper, we introduce a new IHINT algorithm based on the quincunx sub-sampling grid, in which the diagonal interpolation is done first. We equip this algorithm with two novel interpolators that are based on some FIR-median hybrid filters. Simulation results consistently show an improved coding performance.

Original languageEnglish
Pages (from-to)431-438
Number of pages8
JournalSignal Processing
Volume81
Issue number2
DOIs
Publication statusPublished - Feb 2001
Externally publishedYes

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