Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 45 for “"alphabets"”.
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Towards a theory of phonological alphabets
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Linguistics and Philosophy, 1988.
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Capabilities of parity check codes for nonprime alphabets
Thesis: M.S., Massachusetts Institute of Technology, Department of Electrical Engineering, 1964
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Reading hidden messages through deciphered manual alphabets on classic artwork
Decipherment is the tool used to uncover several types of hand signs that played vital roles in the creation of hidden messages in classic artwork. A 3,100 B.C. bas-relief of The 'Kaph' Telescope, formerly named The Narmer Palette, and Michaelangelo Buonarrotte's Battle of Cascina of 1506 were two …
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ΕΛΛΗΝΙΚA ΓΡΑΜΜΑΤΑ: a linguistic analysis of the early Greek alphabets
… call for a revised, comprehensive study of these alphabets. Unlike previous research, which was mostly concerned with palaeography, this thesis is a linguistic analysis of the epichoric alphabets that follows the latest trends in grapholinguistics and the methodology of comparative graphematics. …
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Synthesis of Partial Behavior Models from Overlapping Scenarios with Alternative Alphabets
… They are overlappingscenarios, and alternative alphabets.</p><p>Scenarios can overlap and have shared actions. Synthesizing behavioral modelsform overlapping scenarios can result into redundant states and transitions. Thisresearch proposes the decomposition of the overlapping scenarios into a …
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Longest Common Subsequence Over Constant-Sized Alphabets: Beating the Naive Approximation Ratio
… extends the Rubinstein and Song result to all alphabets of constant size, and gives the first nontrivial improvement over the naive 1/k approximation for the LCS of strings over alphabets of size k for all k ≥ 3.
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Learning Pattern Languages from a Small Number of Helpfully Chosen Examples
… of pattern languages over various sizes of alphabets from which the constant symbols can be taken. In particular, we aim to determine the effect of the alphabet size on these parameters. We study arbitrary patterns, regular patterns and one-variable patterns over three types of alphabets, …
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Minimizer-space computation
… on how to efficiently construct these extended alphabets, demonstrate how to develop approaches that use these alphabets and consequently use only a fraction of sequence data, and show how fundamental biological tasks, such as genome assembly and read mapping, can be significantly accelerated …
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An investigation of relationships between graph theory and coding theory
… of perfect and nearly perfect codes over finite alphabets is generalised in two directions. This thesis is concerned with the existence and combinatorial properties of completely regular codes in distance-regular graphs. One of the main tools is the generalisation of Lloyd's …
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Visual Performance in Pseudophakia. The Effect of Meridional Blur in Pseudoaccommodation.
… of meridional blur was evaluated for alphabets in addition to the standard Roman alphabet using a VA task. The results confirm that myopic astigmatism contributes to a better visual performance at closer distances, with ATR astigmatism providing higher performance for reading tasks …
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Struktur und Verhalten von verteilten endlichen Automaten
… Abhängigkeit von der Unabhängigkeitsrelation des Alphabets untersucht. Im Anhang der Arbeit wird das Trace-Modell einer Fertigungszelle vorgestellt. Das Verhalten wird mit Hilfe der hier definierten Begriffe interpretiert.
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ROBUST KULLBACK-LEIBLER DIVERGENCE AND ITS APPLICATIONS IN UNIVERSAL HYPOTHESIS TESTING AND DEVIATION DETECTION
… version of the KL divergence for continuous alphabets. Specifically, the KL divergence defined from a distribution to the Levy ball centered at the other distribution is found to be continuous. This robust version of the KL divergence allows one to generalize the result in universal …
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d-bar continuity beyond subshifts of finite type
… For Topological Markov Shifts on finite alphabets, potentials with summable variations have a unique equilibrium state. One can quickly prove that the map that sends a potential to its unique equilibrium state is continuous in the weak*-topology. For full shifts on a finite alphabet, …
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A channel emulation viewpoint of coding theorems
… channel with possibly different input and output alphabets. With the concept of channel comparison, we define different types of channel emulation and derive the relationship between these types of emulation. We prove the error probability bound of concatenated codes from the channel emulation …
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Analysis of e-mail attachment signatures for potential use by intrusion detection systems
… a pattern. This frequency is limited to Base64 alphabets. Based on these patterns, certain E-mail attachments can be related to the source type of the attached file.
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Umbilicus Runicus: Runic and Mediterranean Epigraphy
… If one examines the runic, Greek and Latin alphabets on the basis of letter shapes, graphic-phonological correspondences, direction of writing, use of ligatures and interpuncts, use of double letters, and the orthographic treatment of nasals without any regard to time, striking similarities …
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Long read mapping at scale: Algorithms and applications
… In contrast to prior results that assume alphabets as a function of the problem size, we prove that the problem variants that allow edits in graph remain NP-complete for even constant-sized alphabets, thereby resolving computational complexity of the problem for DNA and protein sequence to …
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REAL-TIME CLASSIFICATION OF CONTINUOUS GESTURES
… using all 26 American Sign Language (ASL) manual alphabets as the examples. The system also achieves real-time performance at an average of 25 FPS. Other novel approaches in this study include the use of adaptive background model with the combination of elliptical skin-color model, K-mean …
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Magnitude, concentration, and metric complexity in phylogenetics and information theory
… to magnitude and diversity. We show that for alphabets with two letters, the magnitude of type classes is approximately 2nHK(p), where HK(p) is the metric 1-complexity, which is the logarithm of the diversity of order 1. Methods to extend these results to alphabets of any size are also …
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An IoT System for Converting Handwritten Text to Editable Format via Gesture Recognition
… recognition of uppercase and lowercase alphabets, numbers, special characters, mathematical symbols, equations, graphs and figures are included with recognition of word, lines, blocks, and paragraphs. With the help of Raspberry Pi and IoT, the editable format of lecture notes is given to …
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