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Mixed-Initiative Personal Assistants, Joshua W. Buck 2017 University of Dayton

Mixed-Initiative Personal Assistants, Joshua W. Buck

Computer Science Faculty Publications

Specification and implementation of flexible human-computer dialogs is challenging because of the complexity involved in rendering the dialog responsive to a vast number of varied paths through which users might desire to complete the dialog. To address this problem, we developed a toolkit for modeling and implementing task-based, mixed-initiative dialogs based on metaphors from lambda calculus. Our toolkit can automatically operationalize a dialog that involves multiple prompts and/or sub-dialogs, given a high-level dialog specification of it. Our current research entails incorporating the use of natural language to make the flexibility in communicating user utterances commensurate with that in dialog ...


Hydrobase: An Iot Gardening Application, Nandini Kant Goyal 2016 San Jose State University

Hydrobase: An Iot Gardening Application, Nandini Kant Goyal

Master's Projects

As the world is moving towards urban agriculture, there are many IoT Hydroponic Control Systems being introduced these days. There are many different platforms emerging, but they all suffer from the same flaw, the software and hardware are so tightly integrated that most of the times the individuals have no freedom of how to use the product, or they need to completely hack the system. This brings us to the need of a system that is designed to allow the user more flexibility in platform configuration, as well as assist in platform construction. We propose a model called Hydrobase to ...


Dc Optimal Power Flow Formulation And Solution Using Quadprogj, Junjie Sun, Leigh Tesfatsion 2016 Iowa State University

Dc Optimal Power Flow Formulation And Solution Using Quadprogj, Junjie Sun, Leigh Tesfatsion

Leigh Tesfatsion

Nonlinear AC Optimal Power Flow (OPF) problems are commonly approximated by linearized DC OPF problems to obtain real power solutions for restructured wholesale power markets. We first present a standard DC OPF problem, which has the numerically desirable form of a strictly convex quadratic programming (SCQP) problem when voltage angles are eliminated by substitution. We next augment this standard DC OPF problem in a physically meaningful way, still retaining an SCQP form, so that solution values for voltage angles and locational marginal prices are directly obtained along with real power injections and branch flows. We then show how this augmented ...


Color Separation For Background Subtraction, Jiaqi Zhou 2016 The University of Western Ontario

Color Separation For Background Subtraction, Jiaqi Zhou

Electronic Thesis and Dissertation Repository

Background subtraction is a vital step in many computer vision systems. In background subtraction, one is given two (or more) frames of a video sequence taken with a still camera. Due to the stationarity of the camera, any color change in the scene is mainly due to the presence of moving objects. The goal of background subtraction is to separate the moving objects (also called the foreground) from the stationary background. Many background subtraction approaches have been proposed over the years. They are usually composed of two distinct stages, background modeling and foreground detection.

Most of the standard background subtraction ...


Implementation And Testing Of A Book Lookup System For The Robert E. Kennedy Library, Casey C. Sheehan 2016 California Polytechnic State University, San Luis Obispo

Implementation And Testing Of A Book Lookup System For The Robert E. Kennedy Library, Casey C. Sheehan

Computer Science

The goal of this senior project centered around improving the quality of student and teacher experiences when visiting the library. The task of finding a book amongst the shelves is an arduous one, which I felt could be improved upon through implementation and testing of a Book Lookup system for the Cal Poly Robert E. Kennedy Library. Development for this project was done using a Python framework. Testing and earlier designs were also created using JavaScript and PHP. Repeated tests were conducted on the accuracy of the software and its ability to decrease user search-time when compared to conventional methods.


Tagamajig: Image Recognition Via Crowdsourcing, Gregory Martin Simpson 2016 University of Tennessee, Knoxville

Tagamajig: Image Recognition Via Crowdsourcing, Gregory Martin Simpson

Masters Theses

The University of Tennessee, Knoxville (UTK) Library possesses thousands of unlabeled gray-scale photographs from the Smoky Mountains circa the 1920s - 1940s. Their current method of identifying and labeling attributes of the photographs is to do so manually. This is problematic both because of the scale of the collection as well as the reliance on an individual's limited knowledge of the area's numerous landmarks.

In the past few years, similar dilemmas have been tackled via an approach known as crowd computing. Some examples include Floating Forests, in which users are asked to identify and mark kelp forests in satellite ...


Who's In And Who's Out?: What's Important In The Cyber World?, Tony M. Kelly 2016 La Salle University

Who's In And Who's Out?: What's Important In The Cyber World?, Tony M. Kelly

HON499 projects

The aim of this paper is to offer an introduction to the exploding field of cybersecurity by asking what are the most important concepts or topics that a new member of the field of cybersecurity should know. This paper explores this question from three perspectives: from the realm of business and how the cyber world is intertwined with modern commerce, including common weaknesses and recommendations, from the academic arena examining how cybersecurity is taught and how it should be taught in a classroom or laboratory environment, and lastly, from the author’s personal experience with the cyber world. Included information ...


Further Evidence Of The Contribution Of The Ear Canal To Directional Hearing: Design Of A Compensating Filter, Andrea Martelloni, Davide Andrea Mauro PhD, Antonio Mancuso 2016 Marshall University

Further Evidence Of The Contribution Of The Ear Canal To Directional Hearing: Design Of A Compensating Filter, Andrea Martelloni, Davide Andrea Mauro Phd, Antonio Mancuso

Davide Andrea Mauro

It has been proven, and it is well documented in literature, that the directional response in HRTFs comes largely from the effect of the pinnae. However, few studies have analysed the contribution given by the remaining part of the external ear, particularly the ear canal. This work investigates the directionally dependent response of the modelled ear canal of a dummy head, assuming that the behaviour of the external ear is sufficiently linear to be approximated by an LTI system. In order to extract the ear canal's transfer function, two critical microphone placements (at the eardrum and at the beginning ...


Self-Organizing The Space Of Vocal Imitations, Davide Rocchesso, Davide Andrea Mauro PhD 2016 Marshall University

Self-Organizing The Space Of Vocal Imitations, Davide Rocchesso, Davide Andrea Mauro Phd

Davide Andrea Mauro

The human voice is a powerful instrument for producing sound sketches. The sonic space that can be spanned with the voice is vast and complex and, therefore, it is difficult to organize and explore. In this contribution, we report on our attempts at extracting the principal components from a database of 152 short excerpts of vocal imitations. We describe each excerpt by a set of statistical audio features and by a measure of similarity of the envelope to a small number of prototype envelopes. We apply k-means clustering on a space whose dimensionality has been reduced by singular value decomposition ...


Analyzing And Organizing The Sonic Space Of Vocal Imitation, Davide Andrea Mauro PhD, D. Rocchesso 2016 Marshall University

Analyzing And Organizing The Sonic Space Of Vocal Imitation, Davide Andrea Mauro Phd, D. Rocchesso

Davide Andrea Mauro

The sonic space that can be spanned with the voice is vast and complex and, therefore, it is difficult to organize and explore. In order to devise tools that facilitate sound design by vocal sketching we attempt at organizing a database of short excerpts of vocal imitations. By clustering the sound samples on a space whose dimensionality has been reduced to the two principal components, it is experimentally checked how meaningful the resulting clusters are for humans. Eventually, a representative of each cluster, chosen to be close to its centroid, may serve as a landmark in the exploration of the ...


Sound And The City: Multi-Layer Representation And Navigation Of Audio Scenarios, Luca A. Ludovico, Davide Andrea Mauro PhD 2016 Marshall University

Sound And The City: Multi-Layer Representation And Navigation Of Audio Scenarios, Luca A. Ludovico, Davide Andrea Mauro Phd

Davide Andrea Mauro

IEEE 1599-2008 is an XML-based standard originally intended for the multi-layer representation of music information. Nevertheless, it is versatile enough to describe also information different from traditional scores written according to the Common Western Notation (CWN) rules. This paper will discuss the application of IEEE 1599-2008 to the audio description of paths and scenarios from the urban life or other landscapes. The standard we adopt allows the multilayer integration of textual, symbolical, structural, graphical, audio and video contents within a unique synchronized environment. Besides, for each kind of media, a number of digital objects is supported. As a consequence, thanks ...


Puremx: Automatic Transcription Of Midi Live Music Performances Into Xml Format, Stefano Baldan, Luca A. Ludovico, Davide Andrea Mauro PhD 2016 Marshall University

Puremx: Automatic Transcription Of Midi Live Music Performances Into Xml Format, Stefano Baldan, Luca A. Ludovico, Davide Andrea Mauro Phd

Davide Andrea Mauro

This paper addresses the problem of the real-time automatic transcription of a live music performance into a symbolic format based on XML. The source data are given by any music instrument or other device able to communicate with Pure Data by MIDI. Pure Data is a free, multi-platform, real-time programming environment for graphical, audio, and video processing. During a performance, music events are parsed and their parameters are evaluated thanks to rhythm and pitch detection algorithms. The final step is the creation of a well-formed XML document, validated against the new international standard known as IEEE 1599. This work will ...


On Binaural Spatialization And The Use Of Gpgpu For Audio Processing, Davide Andrea Mauro PhD 2016 Marshall University

On Binaural Spatialization And The Use Of Gpgpu For Audio Processing, Davide Andrea Mauro Phd

Davide Andrea Mauro

3D recordings and audio, namely techniques that aim to create the perception of sound sources placed anywhere in 3 dimensional space, are becoming an interesting resource for composers, live performances and augmented reality. This thesis focuses on binaural spatialization techniques. We will tackle the problem from three different perspectives. The first one is related to the implementation of an engine for audio convolution, this is a real implementation problem where we will confront with a number of already available systems trying to achieve better results in terms of performances. General Purpose computing on Graphic Processing Units (GPGPU) is a promising ...


Analyzing And Organizing The Sonic Space Of Vocal Imitation, Davide Andrea Mauro PhD, D. Rocchesso 2016 Marshall University

Analyzing And Organizing The Sonic Space Of Vocal Imitation, Davide Andrea Mauro Phd, D. Rocchesso

Davide Andrea Mauro

The sonic space that can be spanned with the voice is vast and complex and, therefore, it is difficult to organize and explore. In order to devise tools that facilitate sound design by vocal sketching we attempt at organizing a database of short excerpts of vocal imitations. By clustering the sound samples on a space whose dimensionality has been reduced to the two principal components, it is experimentally checked how meaningful the resulting clusters are for humans. Eventually, a representative of each cluster, chosen to be close to its centroid, may serve as a landmark in the exploration of the ...


Puremx: Automatic Transcription Of Midi Live Music Performances Into Xml Format, Stefano Baldan, Luca A. Ludovico, Davide Andrea Mauro PhD 2016 Marshall University

Puremx: Automatic Transcription Of Midi Live Music Performances Into Xml Format, Stefano Baldan, Luca A. Ludovico, Davide Andrea Mauro Phd

Davide Andrea Mauro

This paper addresses the problem of the real-time automatic transcription of a live music performance into a symbolic format based on XML.

The source data are given by any music instrument or other device able to communicate with Pure Data by MIDI. Pure Data is a free, multi-platform, real-time programming environment for graphical, audio, and video processing. During a performance, music events are parsed and their parameters are evaluated thanks to rhythm and pitch detection algorithms. The final step is the creation of a well-formed XML document, validated against the new international standard known as IEEE 1599.

This work will ...


Further Evidence Of The Contribution Of The Ear Canal To Directional Hearing: Design Of A Compensating Filter, Andrea Martelloni, Davide Andrea Mauro PhD, Antonio Mancuso 2016 Marshall University

Further Evidence Of The Contribution Of The Ear Canal To Directional Hearing: Design Of A Compensating Filter, Andrea Martelloni, Davide Andrea Mauro Phd, Antonio Mancuso

Davide Andrea Mauro

It has been proven, and it is well documented in literature, that the directional response in HRTFs comes largely from the effect of the pinnae. However, few studies have analysed the contribution given by the remaining part of the external ear, particularly the ear canal. This work investigates the directionally dependent response of the modelled ear canal of a dummy head, assuming that the behaviour of the external ear is sufficiently linear to be approximated by an LTI system. In order to extract the ear canal's transfer function, two critical microphone placements (at the eardrum and at the beginning ...


Head In Space : A Head-Tracking Based Binaural Spatialization System, Luca A. Ludovico, Davide Andrea Mauro PhD, Dario Pizzamiglio 2016 Marshall University

Head In Space : A Head-Tracking Based Binaural Spatialization System, Luca A. Ludovico, Davide Andrea Mauro Phd, Dario Pizzamiglio

Davide Andrea Mauro

This paper discusses a system capable of detecting the position of the listener through a head-tracking system and rendering a 3D audio environment by binaural spatialization. Head tracking is performed through face recognition algorithms which use a standard webcam, and the result is presented over headphones, like in other typical binaural applications. With this system users can choose an audio file to play, provide a virtual position for the source in an euclidean space, and then listen to the sound as if it is coming from that position. If they move their head, the signal provided by the system changes ...


On Binaural Spatialization And The Use Of Gpgpu For Audio Processing, Davide Andrea Mauro PhD 2016 Marshall University

On Binaural Spatialization And The Use Of Gpgpu For Audio Processing, Davide Andrea Mauro Phd

Davide Andrea Mauro

3D recordings and audio, namely techniques that aim to create the perception of sound sources placed anywhere in 3 dimensional space, are becoming an interesting resource for composers, live performances and augmented reality. This thesis focuses on binaural spatialization techniques.

We will tackle the problem from three different perspectives. The first one is related to the implementation of an engine for audio convolution, this is a real implementation problem where we will confront with a number of already available systems trying to achieve better results in terms of performances. General Purpose computing on Graphic Processing Units (GPGPU) is a promising ...


Growing The Practice Of Vocal Sketching, S. Delle Monache, D. Rocchesso, S. Baldan, Davide Andrea Mauro PhD 2016 Marshall University

Growing The Practice Of Vocal Sketching, S. Delle Monache, D. Rocchesso, S. Baldan, Davide Andrea Mauro Phd

Davide Andrea Mauro

Sketch-thinking in the design domain is a complex representational activity, emerging from the reflective conversation with the sketch. A recent line of research on computational support for sound design has been focusing on the exploitation of voice, and especially vocal imitations, as effective representation strategy for the early stage of the design process. A set of introductory exercises on vocal sketching, to probe the communication effectiveness of vocal imitations for design purposes, are presented and discussed, in the scope of the research-through-design workshop activities of the EU project SkAT-VG.


A Genome-Wide Survey Of Highly Expressed Non-Coding Rnas And Biological Validation Of Selected Candidates In Agrobacterium Tumefaciens, Keunsub Lee, Xiaoqiu Huang, Chichun Yang, Danny Lee, Kan Nobuta, Jian-Bing Fan, Kan Wang 2016 Iowa State University

A Genome-Wide Survey Of Highly Expressed Non-Coding Rnas And Biological Validation Of Selected Candidates In Agrobacterium Tumefaciens, Keunsub Lee, Xiaoqiu Huang, Chichun Yang, Danny Lee, Kan Nobuta, Jian-Bing Fan, Kan Wang

Xiaoqiu Huang

Agrobacterium tumefaciens is a plant pathogen that has the natural ability of delivering and integrating a piece of its own DNA into plant genome. Although bacterial non-coding RNAs (ncRNAs) have been shown to regulate various biological processes including virulence, we have limited knowledge of how Agrobacterium ncRNAs regulate this unique inter-Kingdom gene transfer. Using whole transcriptome sequencing and an ncRNA search algorithm developed for this work, we identified 475 highly expressed candidate ncRNAs from A. tumefaciens C58, including 101 trans-encoded small RNAs (sRNAs), 354 antisense RNAs (asRNAs), 20 5′ untranslated region (UTR) leaders including a RNA thermosensor and 6 ...


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