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 25 for “"Visually impaired people"”.
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Object Detection and Recognition for Visually Impaired People
… to detect the indoor signage to help blind people find their destination in unfamiliar environments. Our method first extracts the attended areas by using a saliency map. Then the signage is detected in the attended areas by using bipartite graph matching. The proposed method can handle …
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Enabling visually impaired people to use touch screen phones
Most mobile applications are not designed for visually impaired people. The concept of universal design is not adopted by most application developers. Therefore, interaction between a visually impaired user and the mobile application becomes cumbersome. Assistive technologies such as screen readers …
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Exploring the Use of Wearables to develop Assistive Technology for Visually Impaired People
… develop assistive technology for users who are visually impaired. Specifically, the work in this thesis aims at improving the quality of life of users who are visually impaired by improving their mobility and ability to socially interact with others. We explore the use of a smart watch for …
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Blind justice?: an investigation into the social and economic effectiveness of discrimination law in the delivery of fair employment for visually impaired people
… has not prevented the employment exclusion of visually impaired people. Visual Impairment is one of the largest impairment constituencies. As a result, mainstream access solutions are, increasingly, freely available in computers, phones and tablets. This provides the possibility of effective …
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Influence of Intelligent Assitive Technology on the Daily Activities of Visually Impiared People
Background: South Africa has 1.4 million visually impaired people (VIPs) due to various causes of vision impairment. Vision impairment significantly impacts VIP functional capabilities, leading to affected individuals living less than optimal lives. Intelligent assistive technologies (IATs) provide …
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Non-visual Access to the World Wide Web: Investigations of Design Guidelines and Haptic Interfaces.
… approaches to improving access to the Web for visually impaired people: the design of Web content; and the presentation of content. The potential for improving the design of Web content was investigated in an evaluation of the usability of the Web Content Accessibility Guidelines of the Web …
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Auditory Displays and Assistive Technologies: the use of head movements by visually impaired individuals and their implementation in binaural interfaces
Visually impaired people rely upon audition for a variety of purposes, among these are the use of sound to identify the position of objects in their surrounding environment. This is limited not just to localising sound emitting objects, but also obstacles and environmental boundaries, thanks to …
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The information-seeking process of blind and visually impaired Grade 12 learners in selected South African schools for the blind
All people seek information for various reasons sometime during their lifetime. How this process has been researched and documented by various researchers is covered in this thesis, showing how the insights and lessons from various Information Seeking Models in the literature have informed and …
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A user-centred design framework for context-aware computing
… as tourist guides and navigation systems for visually impaired people. However, many researchers express grave concerns about the limited appreciation of human and social issues in design: usability issues remain unresolved particularly relating to mobile computer settings, and existing …
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Technical development of an electromechanical braille labeler
… that prints labels in braille. For blind and visually impaired people, differentiating between similarly-shaped objects - CDs, medication bottles, food cans, etc. - is a challenge that can be solved by affixing braille labels to the surface of these items. However, the existing technology for …
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Design of an improved electronics platform for the EyeRing wearable device
… in assistive technology applications, helping visually impaired people interact with uninstrumented environments. Applications for sighted people are also available to aid in learning, navigation, and other tasks. EyeRing is a wearable electronics device with an emphasis on natural gestural …
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Electronic Textiles for Autonomous Location Awareness
… deployed at a reasonable cost for assisting visually impaired people or to provide navigational help during emergency situations. This thesis describes an autonomous, wearable location awareness system that will determine a user's location within a building given a map of that building. The …
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A inclusão do deficiente visual na educação: um estudo nas escolas municipais de João Pessoa - PB
… the issue of the educational inclusion of visually impaired students and how this contributes to the possibility of a physical and intellectual independence, ie , greater accessibility of this part of stakeholders. The research has descriptive exploratory study with a qualitative approach, …
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Walking Assistant – A Mobile Aid for the Visually-Impaired
<p>The most common navigation aid visually-impaired people employ is a white cane, but, recently, technology has given rise to a varied set of sophisticated navigation aids. While these new aids can provide more assistance to a visually-impaired person than a white cane, they tend to be expensive …
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Credibility of a Person-Centered Design Decision-making Prototype: Spaces for Older Persons with Vision Loss
… visual performance is a fact of life for older people and their increasing share of the population requires that buildings be designed with their visual needs in mind. As their field of vision decreases, people find it harder to identify an objects location, distance, and orientation. Elderly …
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An investigation into the potential role of a virtual learning environment for visually impaired adults
… suggest that we have the capacity to include visually impaired adults in the e-learning domain, but recent evidence reveals there are still a number of practical issues that need to be dealt with, principally in terms of providing training to students on how to use new technology and then …
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Health psychology: A portfolio of work and practice including: addiction; stigma and quality of life; and, visual impairment
Introduction: It has been demonstrated that people with a visual impairment report a lower quality of life (QoL) than those who are normally sighted. Researchers have shown that in conditions such as cancer, HIV, and mental illness, experienced and anticipated stigma and discrimination can relate …
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Audiodescrição: um recurso facilitador para aprendizagem da pessoa com deficiência visual no ensino superior
… of all visual content that can not be seen by people with visual impairments in verbal content. With the main objective to analyze the use of audio description as mediation resource in teaching practice, which provides access to visual information in the classroom for visually impaired people, …
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LEARNSTEM : an interactive and intuitive STEM accessibility system
… educational materials accessible to blind and visually impaired people using a mini-hyper-Braille device with almost no loss of information as compared to printed materials. I have come up with a novel way to increase the effective resolution of the Braille device by adding a mechanical XY …
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Developing an interactive overview for non-visual exploration of tabular numerical information
… from complex tabular numerical data sets non-visually. Blind and visually impaired people need to access and analyse numerical data, both in education and in professional occupations. Obtaining an overview is a necessary first step in data analysis, for which current non-visual data …
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