an efficient algorithm and architecture for real time perspective image warping

... task was 1.8 times slower than real time on a 1.7 GHz AMD Athalon processor [14] Additionally, the models for such a task are times larger than the models used for the 1000-word command and control ... (X) (6) The values μ, σ, V , K, and W relate to specific speech corpus being used and represent the mean, standard deviation, covariance matrix, scaling constant, and mixture weight, respectively ... discrete cosine transform These operations can be performed on most currently available DSP devices with very high precision and speed and will therefore not be considered for optimization within...

Ngày tải lên: 22/06/2014, 22:20

... costs in many systems Real- time software spans the entire range of complexity and costs In some real- time systems, the software is so small and simple, and the hardware is so complex and/ or expensive, ... Kobryn, Eran Gery, Jim Rumbaugh, Bran Selic, and many, many others are certainly among those who should be acknowledged in bringing forth a useful standard language for capturing and manipulating ... allowing distributed objects to communication and another pattern for concurrency management and another pattern for fault management and still another pattern for mapping to the underlying hardware...

Ngày tải lên: 08/03/2016, 11:37

... distributed and assigned a score value between to 100, an arbitrary scoring range For example, the CV values for the 2003 samples ranged from 0.98 for SAND to 2.24 for UBQ-L40 SAND was assigned an arbitrary ... developmental and cellular processes Realtime RT-PCR is currently one of the more powerful and sensitive techniques for analyzing gene expression It provides outstanding accuracy of RNA quantification and ... expression levels of an aquaporin and a sucrose transporter during grape development Results and discussion Microarray datasets can be a rich source of information for selecting real- time RT-PCR reference...

Ngày tải lên: 12/08/2014, 05:20

... can be easily seen that the values for PSNR are better for our algorithm than those reported in Hou [29] and for the direct form The obtained numerical properties of the proposed algorithm and ... [16, 33] and our solution The number of bits for I/O channels is 88 for our proposed solution, 107 for [24], and 71 for [16] In [33, 34], we have only 41, respectively, 20 bits for I/O channels ... Ahmed, T Natarajan, and K R Rao, “Discrete cosine transform,” IEEE Transactions on Computers, vol 23, no 1, pp 90–94, 1974 [2] A K Jain, “A fast Karhunen-Loeve transform for a class of random processes,”...

Ngày tải lên: 21/06/2014, 07:20

... encryption (SAME) and autoadaptive speed control mechanism for SAME are presented in Section 4, and Section discusses the performances and presents the theoretical analysis and experimental results ... P- and B-frames, and is not suitable for RPS Another kind of partial encryption focuses on discrete cosine transform (DCT) coefficients, motion vector, and other sensitive data For example, Tang ... R Frederick, and V Jacobson, “RTP: A transport protocol for real- time applications,” RFC 1889, 1996 [31] T G Robertazzi, Computer Networks and System: Queuing Theory and Performance Evaluation,...

Ngày tải lên: 21/06/2014, 11:20

... problems for an increasing homeomorphism and positive homomorphism on time scales Liu Yang∗1,2 and Weiguo Zhang1 College of Science, University of Shanghai for Science and Technology, Shanghai, ... on an application of a fixed point theorem due to Avery and Peterson which deals with fixed points of a cone-preserving operator defined on an ordered Banach space By using analysis techniques and ... conditions for existence of at least three positive solutions of the problems (1.5, 1.6) and (1.5, 1.7) Preliminaries First we present some basic definitions on time scales which can be found in Atici and...

Ngày tải lên: 21/06/2014, 17:20

... problems for an increasing homeomorphism and positive homomorphism on time scales Liu Yang∗1,2 and Weiguo Zhang1 College of Science, University of Shanghai for Science and Technology, Shanghai, ... on an application of a fixed point theorem due to Avery and Peterson which deals with fixed points of a cone-preserving operator defined on an ordered Banach space By using analysis techniques and ... conditions for existence of at least three positive solutions of the problems (1.5, 1.6) and (1.5, 1.7) Preliminaries First we present some basic definitions on time scales which can be found in Atici and...

Ngày tải lên: 21/06/2014, 20:20

... the Bark scale For the Mel scale, there are 10 constantbandwidth bands, and 14 constant-Q bands with Q = 6.9 SHORT -TIME CRITICAL-BAND ANALYSIS ON SPEECH In this section, the performance of the proposed ... critical-band transform algorithm is proposed to approximate the critical-band filtering of the human ear It consists of two transforms: a constant- Q transform (CQT) in the higher frequency range and ... design an efficient spectral analyzer for low-power speech systems In this study, we develop an efficient critical-band transform algorithm and an architecture for approximating the critical-band filtering...

Ngày tải lên: 22/06/2014, 19:20

... September 2003 [3] C R Wren, A Azarbayejani, T Darrell, and A P Pentland, “Pfinder: real- time tracking of the human body,” IEEE Transactions on Pattern Analysis and Machine Intelligence, vol 19, no ... product, and σ is the standard deviation over the area being matched A plot of correlation coefficient ∂k versus HF is shown in Figure 11 For real- time requirement, the mean and the variance of ... varies form person to person and the ratio HF /WE vary in the range 1.1–1.3 Several face images, about 450, were manually cropped from images captured in our lab and an average of all these face images...

Ngày tải lên: 22/06/2014, 20:20

... likelihood by the Elston-Stewart algorithm (peeling), and anterior and posterior cutsets are used to describe an efficient algorithm to calculate marginal probabilities for every member of a pedigree ... tables called anterior and posterior cutsets Anterior and Posterior Cutsets Computing the likelihood by peeling involves summing over the genotypes of one individual at a time and storing the ... (14) cannot be written as a product of a single anterior and posterior However, any of the anterior the posterior cutsets used in 14 can be computed efficiently Thus, this new peeling based algorithm...

Ngày tải lên: 14/08/2014, 13:21

... than µm and µm for transverse and axial direction respectively, so that cellular or even sub-cellular structural and functional image can be acquired collinearly and simultaneously Because many ... to thank: Dr Zheng Wei for her kind help and technical assistance; Dr Wang Haifeng from Data Storage Institute (A*STAR) for many fruitful discussions; Dr Liu Cheng and Dr Wang Lin for many fruitful ... researchers, and repetition rates of 2000 [107] and 4000 [108] scans have been reported for such delay lines with a galvonometer (driven with a 1-kHz triangle waveform) and a 4-kHz resonant scanner,...

Ngày tải lên: 14/09/2015, 14:10

... Mr Rangaswamy Premkumar for his understanding and giving me enough time to work on my research project when I worked in EASTMAN I would like to thank my lab mates in iACE lab ─ Kashyap, Anand,YewSeng ... performance of a FCCU All the operation of FCCU was based on three balances: material balance, heat balance, and pressure balance Understanding of the heat balance was deemed very critical for ... reference and online signals are accounted for by using dynamic time warping (DTW) for signal comparison Dynamic locus analysis can be directly used for multivariate temporal signals and has the...

Ngày tải lên: 30/09/2015, 06:40

... Drosophila melanogaster, Caenorhabditiselegans and Homo sapiensrevealed the outperformance of SPINAL over IsoRank and MI-GRAAL, which are two state-of-the-art methods by then FASTAN ALGORITHM 3.1 Algorithm ... alignment problem and some associated issues The proposed algorithm FASTAn is introduced in section Section then describes our experiments and the performance comparisons between FASTAn and SPINAL Finally, ... nodes ui ∈ V1 and vj ∈ V2 Two distinct nodes < ui , vj > and < ui , vj > of V12 imply ui = ui and vj = vj The edge (< ui , vj >, < ui , vj >) is of E12 if and only if (ui , ui ) ∈ E1 and (vi , vi...

Ngày tải lên: 14/10/2015, 15:16

... problems For example, Kahraman, Cebeci, and Ulukan (2003) employed analytical hierarchy process (AHP) with fuzzy data in order to compare the catering service companies Kull and Talluri (2008) used an ... about organizational factors and strategic performance metrics, which consist of seven evaluating criteria Talluri and Narasimhan (2005) developed a linear programming model to evaluate and select ... To help and guide the decision-makers, it is required to apply simple, systematic, and logical approaches or mathematical tools believed to have many number of selection attributes and candidate...

Ngày tải lên: 25/04/2016, 07:24

... cassette and rearrange the pictures - Arrange the pictures in the order - Listen again to check answer - Read the sentences and make a guess - Listen and fill in the blanks Unit 6: An excursion ... tape for the first time - play the tape for the second time - Gives feedback answers: 1.a 2.e 3.b 4.c 5.f 6.d * Task 2: - Give instructions and have Ss read the sentences quickly and guess the answers ... peaceful and quiet in the garden They took pictures, played games, talked together, sang and danced IV Post-listening (10) - Gives instructions and ask Ss to discuss to plan a picnic for their...

Ngày tải lên: 01/07/2013, 01:26

... deeper into the network, both for business and residential consumers The demand for high-speed voice, data, and video services is escalating, and new distribution architectures must be added to ... constantly require upgrades and overhauls as demand and technology moves forward ADC has introduced craft-friendly access networks based on many years of experience in addressing these and other ... transport and backhaul in mind – a means to carry telecommunications traffic on and off a larger transport system and usually over long distances There was little demand for actual service delivery to...

Ngày tải lên: 18/10/2013, 14:15

... deeper into the network, both for business and residential consumers The demand for high-speed voice, data, and video services is escalating, and new distribution architectures must be added to ... constantly require upgrades and overhauls as demand and technology moves forward ADC has introduced craft-friendly access networks based on many years of experience in addressing these and other ... transport and backhaul in mind – a means to carry telecommunications traffic on and off a larger transport system and usually over long distances There was little demand for actual service delivery to...

Ngày tải lên: 20/12/2013, 22:15

... influenced by the syntactic and semantic relations which hold between the verb and its arguments; for example, 15, L5 and T5 can all be assigned to verbs which take a N P subject and a sentential complement, ... syntactic and semantic information of this kind, therefore, if the information provided by the Longman g r a m m a r code system is to be of use we need to be able to separate out this information and ... knowledge of the syntax of the grammar code system and the significance of punctuation and font changes For example, semicolons indicate concatenated codes and commas indicate concatenated, elided codes...

Ngày tải lên: 22/02/2014, 09:20

... mechanism and properties of playing cards (e.g suits and values) and the instance data can provide the additional structures required for a game of poker (e.g ranking of the hands, staking, and ... sequence can appear to be random To make a distinction, these random-like (or ‘randomish’) numbers are usually called quasirandom numbers Quasi-randomness can be preferable to pseudo-randomness, for ... sometimes provided us with new insights into various topics (and most of the time it was just fun to play) Finally, Jouni wants to thank Iris for all the love and understanding, and Harri wants...

Ngày tải lên: 08/03/2014, 09:20