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Graphics and Human Computer Interfaces Commons™
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Articles 91 - 104 of 104
Full-Text Articles in Graphics and Human Computer Interfaces
Interpretative Phenomenological Analysis Of Accessibility Awareness Among Faculty In Online Learning Environments, Rachael Sessler Trinkowsky
Interpretative Phenomenological Analysis Of Accessibility Awareness Among Faculty In Online Learning Environments, Rachael Sessler Trinkowsky
CCAC Theses and Dissertations
Although all organizations and institutions should consider accessibility when developing online content, inaccessibility is a recurring issue in recent literature pertaining to online learning environments (OLEs) and faculty accessibility awareness. The goal was to describe how online faculty gain knowledge regarding accessibility, to explore the lived experiences of online faculty who have worked with students who have disabilities, and to gain a better understanding of how faculty experience the process of accessibility implementation. The following research questions guided this study: How do faculty in OLEs experience encounters regarding accessibility for students who have print related disabilities? How do faculty in …
Math In The Dark: Tools For Expressing Mathematical Content By Visually Impaired Students, Patricia M. Mcdermott-Wells
Math In The Dark: Tools For Expressing Mathematical Content By Visually Impaired Students, Patricia M. Mcdermott-Wells
CCAC Theses and Dissertations
Blind and visually impaired students are under-represented in the science, technology, engineering, and mathematics disciplines of higher education and the workforce. This is due primarily to the difficulties they encounter in trying to succeed in mathematics courses. While there are sufficient tools available to create Braille content, including the special Nemeth Braille used in the U.S. for mathematics constructs, there are very few tools to allow a blind or visually impaired student to create his/her own mathematical content in a manner that sighted individuals can use. The software tools that are available are isolated, do not interface well with other …
Seniors With Diabetes-Investigation Of The Impact Of Semantic Auditory Distractions On The Usability Of A Blood Glucose Tracking Mobile Application, Jose A. Rivera Rodriguez
Seniors With Diabetes-Investigation Of The Impact Of Semantic Auditory Distractions On The Usability Of A Blood Glucose Tracking Mobile Application, Jose A. Rivera Rodriguez
CCAC Theses and Dissertations
Diabetes is the seventh leading cause of death in the United States. With the population rapidly aging, it is expected that 1 out of 3 Americans will have diabetes by 2050. Mobile devices and mobile applications have the potential to contribute to diabetes self-care by allowing users to manage their diabetes by keeping track of their blood glucose levels. Usability is important for systems that help people self-manage conditions such as diabetes. Age and diabetes-related cognitive decline might intensify the impact of usability issues for the users who need these mobile applications the most. As highlighted by usability researchers, the …
High Quality Human 3d Body Modeling, Tracking And Application, Qing Zhang
High Quality Human 3d Body Modeling, Tracking And Application, Qing Zhang
Theses and Dissertations--Computer Science
Geometric reconstruction of dynamic objects is a fundamental task of computer vision and graphics, and modeling human body of high fidelity is considered to be a core of this problem. Traditional human shape and motion capture techniques require an array of surrounding cameras or subjects wear reflective markers, resulting in a limitation of working space and portability. In this dissertation, a complete process is designed from geometric modeling detailed 3D human full body and capturing shape dynamics over time using a flexible setup to guiding clothes/person re-targeting with such data-driven models. As the mechanical movement of human body can be …
Towards Intelligent Telerobotics: Visualization And Control Of Remote Robot, Bo Fu
Towards Intelligent Telerobotics: Visualization And Control Of Remote Robot, Bo Fu
Theses and Dissertations--Computer Science
Human-machine cooperative or co-robotics has been recognized as the next generation of robotics. In contrast to current systems that use limited-reasoning strategies or address problems in narrow contexts, new co-robot systems will be characterized by their flexibility, resourcefulness, varied modeling or reasoning approaches, and use of real-world data in real time, demonstrating a level of intelligence and adaptability seen in humans and animals. The research I focused is in the two sub-field of co-robotics: teleoperation and telepresence. We firstly explore the ways of teleoperation using mixed reality techniques. I proposed a new type of display: hybrid-reality display (HRD) system, which …
An Investigation In Implementing A C++ Voxel Game Engine With Destructible Terrain, Michael W. Wilder
An Investigation In Implementing A C++ Voxel Game Engine With Destructible Terrain, Michael W. Wilder
Williams Honors College, Honors Research Projects
In video games today, world geometry is often represented as a polygon mesh. While this representation is able to represent terrain, it must be done so using an elevation grid. For each X and Z location, an elevation grid stores the height of the terrain at that location. This has a major drawback: it is unable to allow terrain with overhangs and caves, and is unable to allow for destructible terrain. In this project, an alternative technique using voxels is explored to overcome these limitations for a game engine. A voxel is the 3D equivalent of a pixel and allows …
Honors Project Database Ui Redesign, Fred L. Johnson Jr.
Honors Project Database Ui Redesign, Fred L. Johnson Jr.
Williams Honors College, Honors Research Projects
For my Honors Project I designed a new user interface for the Honors Project Database on the Honors College website. I also developed training materials for the Honors College staff and facilitated a training session for them that showed them how to keep the database updated.
Intersection Of Art And Science, Petronio Bendito, Tim Korb
Intersection Of Art And Science, Petronio Bendito, Tim Korb
Lawson Building Exhibitions on the Intersection of Art and Science
The Intersection of Art and Science exhibition is an interdisciplinary educational project that examines a wide range of expressive approaches explored by international artists working at the intersection of art, mathematics, computer science, and technology. It is a joint collaboration between the Department of Computer Science and the Patti and Rusty Rueff School of Visual and Performing Arts at Purdue University. Featured artists: Sergio Albiac, Anne Burns, Conan Chadbourne, Hans Dehlinger, Brian Evans, Richard Hassell, Patrick Bingham-Hall, John Arden Hiigli, So Yoon Lym, Gabriel Meyer, and Robert M. Spann. The exhibition was curated by Dr. Petronio Bendito and Dr. Tim …
Applying Hierarchical Task Analysis Method To Discovery Layer Evaluation, Marlen Promann, Tao Zhang
Applying Hierarchical Task Analysis Method To Discovery Layer Evaluation, Marlen Promann, Tao Zhang
Libraries Faculty and Staff Scholarship and Research
While usability tests have been helpful in evaluating the success or failure of implementing discovery layers in the library context, the focus of usability tests has remained on the search interface rather than the discovery process for users. The informal site-‐ and context specific usability tests have offered little to test the rigor of the discovery layers against the user goals, motivations and workflow they have been designed to support. This study proposes hierarchical task analysis (HTA) as an important complementary evaluation method to usability testing of discovery layers. Relevant literature is reviewed for the discovery layers and the HTA …
In Game Engine Documentation, Zachary A. Pierce
In Game Engine Documentation, Zachary A. Pierce
Williams Honors College, Honors Research Projects
The In Game Engine is a game that simulates the functionality of a game engine through simple tasks such as entity creation, interaction, management, and behavior through a user interface. The project was created in the Unreal Engine and utilizes the Blueprints Visual Scripting system to handle these tasks for developers.
Ciphercard: A Token-Based Approach Against Camera-Based Shoulder Surfing Attacks On Common Touchscreen Devices, Teddy Seyed, Xing-Dong Yang, Anthony Tang, Saul Greenberg, Jiawei Gu, Bin Zhu, Xiang Ciao
Ciphercard: A Token-Based Approach Against Camera-Based Shoulder Surfing Attacks On Common Touchscreen Devices, Teddy Seyed, Xing-Dong Yang, Anthony Tang, Saul Greenberg, Jiawei Gu, Bin Zhu, Xiang Ciao
Research Collection School Of Computing and Information Systems
We present CipherCard, a physical token that defends against shoulder-surfing attacks on user authentication on capacitive touchscreen devices. When CipherCard is placed over a touchscreen’s pin-pad, it remaps a user’s touch point on the physical token to a different location on the pin-pad. It hence translates a visible user password into a different system password received by a touchscreen, but is hidden from observers as well as the user. CipherCard enhances authentication security through Two-Factor Authentication (TFA), in that both the correct user password and a specific card are needed for successful authentication. We explore the design space of CipherCard, …
Choice Of Human–Computer Interaction Mode In Stroke Rehabilitation, Hossein Mousavi Hondori, Maryam Khademi, Lucy Dodakian, Alison Mackenzie, Cristina V. Lopes, Steven C. Cramer
Choice Of Human–Computer Interaction Mode In Stroke Rehabilitation, Hossein Mousavi Hondori, Maryam Khademi, Lucy Dodakian, Alison Mackenzie, Cristina V. Lopes, Steven C. Cramer
Physical Therapy Faculty Articles and Research
Background and Objective. Advances in technology are providing new forms of human–computer interaction. The current study examined one form of human–computer interaction, augmented reality (AR), whereby subjects train in the real-world workspace with virtual objects projected by the computer. Motor performances were compared with those obtained while subjects used a traditional human–computer interaction, that is, a personal computer (PC) with a mouse. Methods. Patients used goal-directed arm movements to play AR and PC versions of the Fruit Ninja video game. The 2 versions required the same arm movements to control the game but had different cognitive demands. With …
Extracting Flow Features Using Bag-Of-Features And Supervised Learning Techniques, Yifei Li
Extracting Flow Features Using Bag-Of-Features And Supervised Learning Techniques, Yifei Li
Dissertations, Master's Theses and Master's Reports
Measuring the similarity between two streamlines is fundamental to many important flow data analysis and visualization tasks such as feature detection, pattern querying and streamline clustering. This dissertation presents a novel streamline similarity measure inspired by the bag-of-features concept from computer vision. Different from other streamline similarity measures, the proposed one considers both the distribution of and the distances among features along a streamline. The proposed measure is tested in two common tasks in vector field exploration: streamline similarity query and streamline clustering. Compared with a recent streamline similarity measure, the proposed measure allows users to see the interesting features …
Enabling Techniques For Expressive Flow Field Visualization And Exploration, Jun Tao
Enabling Techniques For Expressive Flow Field Visualization And Exploration, Jun Tao
Dissertations, Master's Theses and Master's Reports
Flow visualization plays an important role in many scientific and engineering disciplines such as climate modeling, turbulent combustion, and automobile design. The most common method for flow visualization is to display integral flow lines such as streamlines computed from particle tracing. Effective streamline visualization should capture flow patterns and display them with appropriate density, so that critical flow information can be visually acquired. In this dissertation, we present several approaches that facilitate expressive flow field visualization and exploration. First, we design a unified information-theoretic framework to model streamline selection and viewpoint selection as symmetric problems. Two interrelated information channels are …