Reconstruction of baseline JPEG coded images in error prone environments

TitleReconstruction of baseline JPEG coded images in error prone environments
Publication TypeJournal Article
Year of Publication2000
AuthorsShirani, S., F. Kossentini, and R. Ward
JournalImage Processing, IEEE Transactions on
Pagination1292 -1299
Date Publishedjul.
Keywordsbaseline JPEG coded images, code standards, computational complexity, correlation, correlation methods, data compression, diagonal edges reconstruction, error prone environments, image coding, image reconstruction, image stripes removal, image transmission, missing data reconstruction, missing DC coefficients estimation, simulation results, telecommunication standards

A two-stage method for the reconstruction of missing data in the transmission of baseline JPEG coded images in error prone environments is proposed. In the first stage, we estimate the values of the missing DC coefficients. As effects of errors in estimating the missing DC values will appear as a number of stripes across the image, a technique for removing such stripes is also developed. In the second stage, the data of missing blocks is reconstructed by exploiting the correlation between adjacent blocks. Simulation results intricate that our reconstruction method performs very well. The two key contributions of our method are that it does not assume nondifferential encoding of the DC coefficients, and that it performs well in the reconstruction of diagonal edges


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