Adaptive Huffman Coding
... probabilities Effective exploitation of locality For example suppose that a file starts out with a series of a character that are not repeated again in the file In static Huffman coding, that ... Basi di Dati Multimediali a. a 2005 The key idea The key idea is to build a Huffman tree that is optimal for the part of the message already seen, and to reorganize it when needed, to maintain ... called algorithm V Gabriele Monfardini - Corso di Basi di Dati Multimediali a. a 2005 An important question Better exploiting locality, adaptive Huffman coding is sometimes able to better than...
Ngày tải lên: 22/10/2015, 17:10
... WZC data sent by the encoder The advantage of this approach is that all relevant SI is available A disadvantage in this case is that the encoder has to estimate the correlation between uk and ... issue on advances in video coding and delivery [9] A Sehgal, A Jagmohan, and N Ahuja, A state-free causal video encoding paradigm,” in Proceedings of IEEE International Conference on Image Processing ... Picture Coding Symposium (PCS ’04), San Francisco, Calif, USA, December 2004 [15] M Tagliasacchi, A Majumdar, and K Ramchandran, A distributed-source -coding based robust spatio-temporal scalable...
Ngày tải lên: 22/06/2014, 23:20
... more organizations are waking up to the value of building a strong coaching culture Analogies to athletic coaching are common but especially apt Training alone does not guarantee that a great tennis ... self-esteem can sometimes take a beating, but organizations that find ways to build their salespeople’s self-esteem reap an invaluable dividend: according to Jay Abraham, marketing strategist, when salespeople ... and, above all, can be used in manageable pieces so that sales teams can absorb and actually implement new ideas "Sustainable shifts in behavior will only ever be realized when first-line leaders...
Ngày tải lên: 20/12/2013, 19:15
The Carbon and Global Warming Potential Impacts of Organic Farming: Does It Have a Significant Role in an Energy Constrained World? pptx
... that Canadian and North American data is particularly scarce Sustainability 2011, 335 Table Dairy—summary of organic vs conventional comparisons Authors Main [56] Olesen et al [59] Bos et al ... offers some additional, if smaller, potential for E and GHG gains (and again data for the Canadian food system is lacking) and a significant body of literature has examined relative E and GHG efficiency ... Spring barley Barley-pea/grass Rye Grass Grass OR2 Grass-clover Barley/grass Pea + oat Wheat – OR3 Winter wheat Beet roots Barley Alfalfa – OR4 Potatoes Oat/grass Grass Maize – OR5 Permanent meadow...
Ngày tải lên: 08/03/2014, 23:20
Dollars and Sense- A Process Improvement Approach to Logistics Financial Management pptx
Ngày tải lên: 22/03/2014, 23:21
Báo cáo hóa học: "Research Article A Modified Run-Length Coding towards the Realization of a RRO-NRDPWT-Based ECG Data Compression System" pdf
... propagation resistance and a uniform distribution of subband error The two mechanisms facilitate the significant normalization of subband data and a quantization scheme design with linear distortion ... determination of quantization scales, we define c j as cj = cp j , SNF j (3) − j+1 where SNF j = maxl { 2=2− j |akl |} is a significant normalk ization factor and cp[ j] are adjustable parameters and akl is ... investigated Each signal contains about a 15 minutes length of sampled data The measurement results are depicted in Figure Figure reveals that an approximately linear relationship between PRD and...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article A Cost-Based Adaptive Handover Hysteresis Scheme to Minimize the Handover Failure Rate in 3GPP LTE System" docx
... blocks a new call into a cell when there is no available bandwidth The bandwidth allocation and usage ratio per service type are shown in Table It was assumed that each UE originating a call supports ... 0.032 0.034 0.036 Call arrival rate 0.038 0.04 Fixed hysteresis Load-based adaptive hysteresis Speed-based adaptive hysteresis Service-based adaptive hysteresis Cost-based adaptive hysteresis ... 0.03 1.5 Load-based adaptive hysteresis Speed-based adaptive hysteresis Service-based adaptive hysteresis Figure 4: AHFR by the proposed cost-based adaptive hysteresis scheme under a variety of...
Ngày tải lên: 21/06/2014, 17:20
báo cáo hóa học:" Research Article An Optimal Adaptive Network Coding Scheme for Minimizing Decoding Delay in Broadcast " doc
... for any x satisfying Ax ≤ 1N , xi + x j ≤ (Again, note that the addition of variables takes place in real domain.) We also say that x j is constrained to xi and vice versa It can be proven that ... One can easily verify the relations defined above For example, variables x1 and x3 are constrained because for p = 1, a p1 = a p3 = Variables x1 and x4 are not constrained to each other because ... overall decoding delays It is clear that maximum coding is not a reasonable choice and results in worse delays compared with minimum coding We attempt to explain this behavior by means of an example...
Ngày tải lên: 21/06/2014, 18:20
Báo cáo hóa học: " Research Article Link-Adaptive Distributed Coding for Multisource Cooperation" potx
... where we set all instantaneous SNRs to have the same average γ; that is, one can pick the maximum average SNR among all EURASIP Journal on Advances in Signal Processing links of our setup and bound ... Giannakis, “Smart regenerative relays for link -adaptive cooperation,” to appear in IEEE Transactions on Communications [5] X Deng and A M Haimovich, “Power allocation for cooperative relaying ... available at terminals and destination Our main result is to show that the diversity order of LAR-MSC coincides with that of a real antenna array using the same encoding function used by the VAA...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Description of a 2-Bit Adaptive Sigma-Delta Modulation System with Minimized Idle Tones" docx
... (ICASSP ’01), vol 4, pp 2621–2624, Salt Lake City, Utah, USA, May 2001 [6] M A Aldajani and A H Sayed, “Stability and performance analysis of an adaptive sigma-delta modulator,” IEEE Transactions ... Processing, vol 2007, Article ID 16286, pages, 2007 [8] G S Tombras and C A Karybakas, “New adaptation algorithm for a two-digit adaptive delta modulation system,” International Journal of Electronics, ... M A Aldajani and A H Sayed, A stable adaptive structure for delta modulation with improved performance,” in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Least-Square Prediction for Backward Adaptive Video Coding" docx
... Forward adaptation for temporally unpredictable events In addition to fast camera panning, change of camera panning/zooming speed or disturbance of camera positions also has a subtle impact on ... update of LSP support and analyzes the spatiotemporal adaptation Section introduces temporal warping to compensate camera panning and forward adaptive selection of LSP parameters In Section 6, ... the camera panning is via temporal warping [29] Under the assumption that the camera panning is approximately along the horizontal direction, the global translational motion can be compensated...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: "Research Article A 2-bit Adaptive Delta Modulation System with Improved Performance" ppt
... 2621–2624, Salt Lake City, Utah, USA, May 2001 [10] M A Aldajani and A H Sayed, “Stability and performance analysis of an adaptive sigma-delta modulator,” IEEE Transactions on Circuits and Systems ... Tombras and C A Karybakas, “New adaptation algorithm for a two-digit adaptive delta modulation system,” International Journal of Electronics, vol 68, no 3, pp 343–349, 1990 [9] M A Aldajani and A ... that again THE PROPOSED NEW 2-BIT ADAPTATION ALGORITHM Based on the adaptation algorithm of the 2-digit ADM system presented above, we now propose a modification that eliminates the need of a...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " A Robust Orthogonal Adaptive Approach to SISO Deconvolution" pot
... EXAMPLE: LINEAR ROBUST ADAPTIVE EQUALIZATION FOR AN ADSL TYPE OF COMMUNICATION CHANNEL The general problem of equalization and particularly adaptive equalization is well described in [28] and a ... A Robust Orthogonal Adaptive Approach to SISO Deconvolution to nonlinear equalization applications in [4] and presented as a general polynomial equations framework for nominal and robust ... coefficient adaptation When adaptive equalization is considered, the FIR and the robust orthogonal design coefficients Θ are updated by an adaptation algorithm The performance of the equalizers is evaluated...
Ngày tải lên: 23/06/2014, 01:20
Báo cáo hóa học: " A Psychoacoustic “NofM”-Type Speech Coding Strategy for Cochlear Implants" ppt
... in each cycle of stimulation Table 5: Statistical analysis Condition 4-channel ACE 8-channel ACE 4-channel PACE 4-channel ACE Condition 4-channel PACE 8-channel PACE 8-channel PACE 8-channel ACE ... research ACE strategy is designed to process signals that are already digitized For this reason, the pre-emphasis filter and adaptive- gain controls (AGC) incorporated at the analogue stage are ... a considerable energy saving could be made using the PACE strategy as it is able to generate the same scores as the ACE strategy while stimulating only half as many electrodes Another advantage...
Ngày tải lên: 23/06/2014, 01:20
Báo cáo khoa học: "Thickness of cumulus cell layer is a significant factor in meiotic competence of buffalo oocytes" potx
... slaughtered buffalo ovaries and assessment of their nuclear maturation Buffalo J 1998, 14, 217-227 17 Gupta SP, Nandi S, Ravindaranatha BM, Sharma VP Effect of commercially available PMSG on maturation, ... nuclear material was scattered in the ooplasm indicating spindle damage Statistical analysis Data for meiotic development of oocytes among all groups was analyzed by chi square procedure using Statistix ... 13th FAO/SIDA Int Course on Animal Reproduction, Uppsala, Sweden, 1979 27 Samad HA, Khan IQ, Rehman NU, Ahmad N The recovery, in vitro maturation and fertilization of Nili-Ravi buffalo follicular...
Ngày tải lên: 07/08/2014, 18:20
Báo cáo lâm nghiệp: "Predicting the potential distribution of Sirex noctilio (Hymenoptera: Siricidae), a significant exotic pest of Pinus plantations" pot
... model also predicted that S noctilio would be able to persist in central Guatemala, Costa Rica and Panama, but not Salvador (see Figs and 5) There is no climate data for Honduras or Nicaragua in ... countries are P patula, P taeda, P radiata and P elliottii, all known to be susceptible to S noctilio Due to the distance of plantations in Zimbabwe, Tanzania, Uganda and Ethiopia from plantations ... Queensland, specifically aimed at reducing the chance of S noctilio establishing in that state Plantations in Western Australia are separated from those in eastern Australia by approximately 000...
Ngày tải lên: 08/08/2014, 00:22
báo cáo khoa học: " The health disparities cancer collaborative: a case study of practice registry measurement in a quality improvement collaborative" pot
... pooled data can be interpreted and compared to outside organizations Before external audiences use this type of data as an evaluation tool of an overall collaborative's performance, standardization ... measurement to effectively support practice management Training in the software was provided by HRSA at a national level, as an adjunct to collaborative learning sessions, and at the regional and ... up-to-date with screening or follow up was reported and shared among collaborative participants on a monthly basis; no shared information was identifiable at the patient level Analyses We anticipated...
Ngày tải lên: 10/08/2014, 10:23
báo cáo khoa học: " Short- and long-term effects of a quality improvement collaborative on diabetes management" pptx
... scoring the biomedical items in the abstraction instrument All available values over three years were obtained and afterwards a mean per patient per year was calculated Data abstractors were blinded ... multifaceted implementation approach emphasizing collaborative learning and exchange of insights and support among a set of healthcare organizations, like a quality improvement collaborative ... collaborative, organizational and team factors associated with successful improvement to help individual teams and organizations increase the magnitude and pace of improvement Summary Healthcare systems...
Ngày tải lên: 10/08/2014, 10:23
báo cáo khoa học: " Validity and usefulness of members reports of implementation progress in a quality improvement initiative: findings from the Team Check-up Tool (TCT)" pot
... data, performed all statistical analysis, and participated in data interpretation and drafting of the paper LHL participated in conceptualization and design of the study and provided critical ... care In addition to teamwork, leadership support and available resources may be important context variables However, team functioning, leadership and organizational support can vary across teams ... subscales have been validated through a confirmatory factor analysis and Cronbach’s alpha reliability estimates range between 0.71 and 0.84 [14] The PES-NWI was filled out at baseline by all nurses...
Ngày tải lên: 10/08/2014, 11:20