Báo cáo hóa học: " Editorial The Interplay between Compression and Security for Image and Video Communication and Adaptation over Networks" potx
Báo cáo hóa học: " Editorial The Interplay between Compression and Security for Image and Video Communication and Adaptation over Networks" potx
... in which the Slepian-Wolf coder takes the twofold role of compression step and diffusion step for security. The last two papers are in the field of secure entropy cod-ing, and address the design ... on Information Security problem of security in a distributed video coding frame-work, where the correlation of adjacent frames is exploitedat the decoder, as opposed to the encoder. In their ... couples randomized entropy coding and bit-stream rotation in order to improve the security. They showthat their scheme makes known and chosen plaintext attacksextremely difficult. The last paper...
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Báo cáo hóa học: " Bridging the Divide between Science and Journalism" potx
... articles,with the latter becoming more and more scarce. There-fore, the format of much of today’s news coverage sim-ply doesn’t allow for detailed reporting.Second, it can be difficult for scientists and ... relying onthem, and t he eve ning network news for the late stmedia headlines to educate and guide them in theirmedical decisions. Now more than ever, it is important for scientists and journalists ... to be the latter for several reasons.First, because research often has many detailed nuan-ces and the media don’t have the time or the space tocover all of those points. The length o f the average...
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Báo cáo hóa học: " On the Krasnoselskii-type fixed point theorems for the sum of continuous and asymptotically nonexpansive mappings in Banach spaces" pptx
... all authors. SP and AA defined the researchtheme. SP designed theorems and methods of proof and interpreted the results. AA proved the theorems, interpreted the results and wrote the paper. All ... thank the referee for the insightful comments and suggestions. The first author would liketo thanks The Thailand Research Fund for financial support and the second author is also supported by the ... Thailand . Moreover, the second author the Thailand ResearchFund for financial support under Grant BRG5280016.Authors’ contributions The work presented here was carried out in collaboration between...
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báo cáo sinh học:" Costing the scaling-up of human resources for health: lessons from Mozambique and Guinea Bissau" docx
... participated in the design of the study, carriedout part of the fieldwork, drafted and edited the manuscript. GD participatedin the study conception and design, and in drafting and editing the manu-script. ... workforce. Capital invest-ments were identified on the basis of informationobtained from the infrastructure department of the MoH.They corresponded to the cost (estimated by MoH) toexpand and ... leaders of the HRDP exercise, assuming the responsibility of mobilising resources for the elabora-tion of the plan, and of advocating for the importance ofHRH costing as a policy tool. Within the...
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báo cáo hóa học:" Cross-cultural development of an item list for computer-adaptive testing of fatigue in oncological patients" potx
... relevant they are for measurement of FA, whether they are appropriate, and whether they are clear and well-formulated. Conse-quently, two items were rephrased and seven items wereexcluded for being ... questionnairemodule, the EORTC measurement system extends itsscopeintwodirections.OntheonehandtheFatigueCAT w ill provide an improved measure for the genericQLQ-C30 fatigue scale; on the other hand the QLQ-FA13 ... measure-ment, whether they are appropriate, and whetherthey are clear and well-fo rmulated . Items consideredproblematic by at least three of the reviewers weredisc ussed further and possibly...
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Báo cáo hóa học: " Research Article Performance Evaluation of Uplink Delay-Tolerant Packet Service in IEEE 802.16-Based Networks" potx
... The SSsgrouping model is shown in Figure 4. The duration of the DL and the UL sub-frames are Td and Tu,respectively.Tristands for the duration of the reservationinterval, and Tudis the ... , N. Similarly, Ristands for the variable capacity assigned for SS i in a frame for the uplink rtPS and ertPS transmissions together. The range of the discrete-time random variable Riis, ... Delay. The transmission delay is the sumof the fixed time from the grant time of the tagged i-packetto the start of transmission of the i-packets in the next frame and the transmission times of the...
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Báo cáo hóa học: "Research Article Cross-Layer Explicit Link Status Notification to Improve TCP Performance in Wireless Networks" potx
... linklayer informs the ELSN agent of the flow information and sequence number of the retransmitted (discarded) packet.Then, the ELSN agent constructs the ERSN (ELN) messagebased on the information and ... received (n is typically3), the sender sets the ssthresh and cwnd as the estimatedbandwidth. When a timeout occurs, the sender sets the ssthresh as the estimated bandwidth and the cwnd as one.In this ... recovery algorithms of fast retransmit and recovery. In fast retransmit phase, the sender retransmits the FirstUnsacked segment. The other operations of ESACK areequal to SACK. Therefore, if there...
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Báo cáo hóa học: "Research Article A Decision-Tree-Based Algorithm for Speech/Music Classification and Segmentation" pot
... based on band energy ratio the lowenergy ratio, defined as the ratio between the spectral energybelow 70 Hz and the total energy, and the high energy ratio,defined as the ratio between the energy ... cost and a short delay. The algorithm proposed here answers all these require-ments: on one hand, it is highly accurate and robust, and on the other hand, simple, efficient, and adequate for real-timeimplementation. ... long-term statistics, such as the mean or the variance, and not the features themselves, are used for the discrimination. The major differences between the different studies lie in the exact classification...
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Báo cáo hóa học: "Research Article A User Cooperation Stimulating Strategy Based on Cooperative Game Theory in Cooperative Relay Networks" potx
... means that the best policy for the source is to increase the value of m and to decrease the value of μ.On the other hand, with the knowledge of the values of λ and μ, the relay calculates the expected ... sentby the BS, the source finally calculates its utility accordingto formula (2) and further adjusts the value of m and μ ifnecessary. The interaction between the source and the relaycontinues and ... m and μ, the source also aims at maximizing itsown utility. Furthermore, the payment λ charged by the BSremains constant during the interaction between the source and the relay.From the aforementioned...
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Báo cáo hóa học: " Research Article Energy-Efficient Bandwidth Allocation for Multiuser Scalable Video Streaming over WLAN" potx
... thatworkswellenoughinpractice. The difference between the maximum energy costachieved by the algorithm and the optimum one lies how-ever for sure between the maximum and minimum energycost achieved by the last adaptation. ... of the video content on the en-ergy cost for the different approaches listed above. The PERconstraint is fixed to 1e-2 for the “constant PER” approach. The QoS constraint is fixed to 35 dB for the ... The video data are encodedusing a scalable video coding scheme and stored on a video server accessed through the AP. Therefore, no real-time en-coding is performed. The users receive data over...
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