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.
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Showing 1 to 20 of 187 for “"sketching"”.
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Curve Sketching
This paper serves as an extension of Eigencurves for Two-Parameter Sturm-Liouville Equations by Binding and Volkmer. Facts about specific sequences of eigenvalues of linear equations developed in Bases and Comparison Results for Linear Elliptic Eigenproblems by Auchmuty are used in order to …
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Paper-based computer-aided form sketching : a prescribed sketching language-based approach
… rapidly externalizing form concepts, paper-based sketching is still extensively used by practising designers. It is a common practice that form concepts are sketched on paper prior to being translated into three-dimensional (3D) virtual models for further development. A critical literature review …
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Sketching distances in graphs
Often in computer science, graphs are used to represent metrics: the nodes represent "locations," and the edges represent connectivity between locations. The salient properties of such a graph are the shortest path distances between its nodes - that is, the minimum length of a path from each point …
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Embodied mathematics by interactive sketching
The language and formalization of mathematics historically evolved as an interplay between abstractions and their grounding in real world objects and events. The embodied mathematics philosophy posits that our mathematical capabilities are centered around our embodied experiences, and abstract math …
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Sketching and streaming high-dimensional vectors
… over the data, a so-called streaming algorithm. Sketching and streaming have found numerous applications in network traffic monitoring, data mining, trend detection, sensor networks, and databases. In this thesis, I describe several new contributions in the area of sketching and streaming …
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Enabling collaboration in the sketching domain
Sketching, although deceptively simple and seemingly primitive, is a powerful paradigm for designing and understanding many types of engineering systems. Many problem domains, such as designing electrical circuits, developing flow charts, and modeling simple mechanical devices, rely heavily on the …
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Algorithms for Subset Sum using linear sketching
… algorithm much faster, using ideas from linear sketching. This is one of the first applications of sketching-based techniques to obtain fast algorithms for exact combinatorial problems in an offline setting.
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Three-Dimensional Sketching within an Iterative Design Workflow
… that allows 2-dimensional and 3-dimensional sketching to happen within a 3d scene, one that intrinsically provides a basis to transition back and forth more fluidly and intuitively between a hand drawing and a virtual model. We feel strongly that the best solution is one that works with …
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Per-flow cardinality estimation based on virtual LogLog sketching
Flow cardinality estimation is the problem of estimating the number of distinct elements in a data flow, often with a stringent memory constraint. It has wide applications in network traffic measurement and in database systems. The virtual LogLog algorithm proposed recently by Xiao, Chen, Chen and …
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Stitching and sketching large-scale single-cell transcriptomic data
… of data sets. The second algorithm, geometric sketching, is a sampling approach that aims to evenly cover the low-dimensional manifold spanned by the cells to capture more of the rare transcriptional structure than would uniform subsampling with equal probability for each cell, obtaining …
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High-dimensional similarity search and sketching : algorithms and hardness
… approximate near neighbor search (ANN) and sketching. We obtain a number of new results including: ' An algorithm for the ANN problem over the ℓ₁ and ℓ₂ distances that, for the first time, improves upon the Locality-Sensitive Hashing (LSH) framework. The key new insight is to use random …
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A foundation for intelligent multimodal drawing and sketching programs
Computers should be able to assist an engineer or designer at all stages of design without chasing the engineer away or frustrating her. In order for this to occur, the computer needs to be able to understand what the engineer is doing and provide unobtrusive help. Furthermore the engineer needs to …
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Scalable sketching and indexing algorithms for large biological datasets
… and propose ways in which UHSs can be used in sketching and indexing sequences for downstream analysis. Secondly, we introduce the concept of minimizer-space sequencing data analysis, where a set of minimizers, rather than DNA nucleotides, are the atomic tokens of the alphabet. We propose that …
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Multi-scale data sketching for large data analysis and visualization
… This thesis presents a multi-scale data sketching solution, specifically for large 3D scientific data with a goal to support collaborative data management, analysis and visualization. The idea is to allow users to quickly identify interesting regions and observe significant patterns …
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Marking and making : a characterisation of sketching for typographic design
This research rests on the premise that sketching in paper and pencil is crucial for typographic designers when designing documents. The aim has been to derive a characterisation of the salient aspects of sketching, through an ethnographically-oriented study of designers' use of paper and pencil. …
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Hybrid sketching : a new middle ground between 2- and 3-D
… requiring an entirely different mindset from 2-D sketching. We introduce a new approach to transform existing 2-D sketches directly into a new kind of sketch-like 3-D model. Finally, we present a novel sketching technique that removes the distinction between 2-D and 3-D altogether. This thesis …
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Analyzing patterns of writing and sketching in the product design process
… on design outcome, differences based on prior sketching experience, and more. This paper looks at the interplay between text entries and sketches in design notebooks, and analyzes patterns that appear over the course of the design process. Data collected from eighteen logbooks from the class …
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Sketching in 3D : towards a fluid space for mind and body
This thesis explores a new type of computer-aided sketching tool for 3-dimensional designs. Sketching, as a process, has been used as an effective way to explore and develop ideas in the design process. However, when designers deal with volumetric designs in 3-dimensional space, current sketching …
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