Mark A. J. Barzilay

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It is well known that a compression trade-off exists between the spatial and temporal video quality. Various temporal scalability techniques have been considered for lowering the encoded frame rate such that the freed bit rate can be used to increase the PSNR quality of the remaining frames. Temporal scalability in the SVC extension of the MPEG4/AVC codec(More)
With Asymmetric Multiple Description Coding we address the transmission case where there is a plethora of communication paths between sender and receiver, all with a different bandwidth and different levels of reliability (in terms of packet loss rate). For this scenario we have several possibilities for coding and transmission at our disposal, namely(More)
The status of concanavalin A (Con A)-triggered suppressor cells in aging mice was assessed in relation to untreated cells. Spleen cells of (C3H/ebJ X C57BL/6J)F1 and (BALB/cJ X C57BL/6J)F1 aging (20-41 months' old) and young (2-3 months' old) mice were triggered with Con A and examined for their capacity to suppress lymphocyte proliferative responses(More)
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