Interframe Coding Via Nonhomogeneous Progressive Transmission

Howard M. Dreizen

doi:10.1117/12.952636

5 April 1989 Interframe Coding Via Nonhomogeneous Progressive Transmission

Howard M. Dreizen

Proceedings Volume 1075, Digital Image Processing Applications; (1989) https://doi.org/10.1117/12.952636
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Progressive image transmission provides rapid reception of an image approximation, which is thereafter refined without incurring excess coding overhead. Nonhomogeneous techniques improve progressive reception by concentrating early transmission efforts on the most informative image areas, again without incurring excess coding overhead. A nonhomogeneous progressive coding method is described for interframe or intersample (nonconsecutive frame) coding and transmission. Working upon the simple difference of successive frames/samples, the coding method first transmits the most important differences followed by differences of lesser importance. The amount of coded data and the transmission time for each sample difference is proportional to the degree of image change. The nonhomogeneous, progressive, intersample coding method does not provide motion compensation, but does have the advantage of simplicity and low computational requirements. As all progressive techniques, the coding method is particularly suited for use with low bandwidth communication channels.

Citation Download Citation

Howard M. Dreizen "Interframe Coding Via Nonhomogeneous Progressive Transmission", Proc. SPIE 1075, Digital Image Processing Applications, (5 April 1989); https://doi.org/10.1117/12.952636

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