Young Sang Choi's research while affiliated with Georgia Institute of Technology and other places
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Publications (13)
Delivering an object to a user would be a generally useful capability for service robots. Within this paper, we look at this capability in the context of assistive object retrieval for motor-impaired users. We first describe a behavior-based system that enables our mobile robot EL-E to autonomously deliver an object to a motor-impaired user. We the...
Studies have consistently shown that object retrieval would be a valuable task for assistive robots to perform, yet detailed information about the needs of patients with respect to this task has been lacking. In this paper, we present our efforts to better understand the needs of motor impaired patients with amyotrophic lateral sclerosis (ALS) with...
This technical report is designed to serve as a citable reference for the original prioritized object list that the Healthcare Robotics Lab at Georgia Tech released on its website in September of 2008. It is also expected to serve as the primary citable reference for the research associated with this list until the publication of a detailed, peer-r...
We are developing an autonomous mobile assistive robot named El-E to help individuals with severe motor impairments by performing various object manipulation tasks such as fetching, transporting, placing, and delivering. El-E can autonomously approach a location specified by the user through an interface such as a standard laser pointer and pick up...
El-E (“Ellie”) is a prototype assistive robot designed to help people with severe motor impairments manipulate everyday objects. When given a 3D location, El-E can autonomously approach the location and pick up a nearby object. Based on interviews of patients with amyotrophic lateral sclerosis (ALS), we have developed and tested three distinct inte...
In this paper, the development process of four Universal Design Resources (UDRs) was analyzed. The results of a heuristic
evaluation (HE) of UDRs (Part 1) were used in this (Part 2) study to create an online survey. Thirty-one individuals involved
in the creation of the four UDRs responded, 15 of whom were also interviewed. For three resources, the...
This paper presents the evaluation of eight published Universal Design Resources (UDRs) to measure how effectively they support
typical design processes and design psychology. New heuristics and principles to evaluate the UDRs from the point of view
of designers who were universal design novices were created. Established methodologies for heuristi...
FEATURE AT A GLANCE: There are numerous standards, design guidelines, and other resources that relate to the use of technology by people with disabilities. We examined whether such resources met the needs of designers based on typical design processes and design psychology. We conducted a heuristic evaluation of eight resources and then surveyed an...
Universal design (UD) is an approach to design that incorporates things which can be used by all people to the greatest extent possible. UD in information and communication technologies (ICTs) is of growing importance because standard ICTs have great potential to be usable by all people, including people with disabilities (PWDs). Currently, PWDs wh...
In this paper we discuss the implications of recent research studies on disability-related design guidelines. We have investigated the quality of guidelines with respect to designers as their end-users, and we have conducted field studies of the use design resources in practice. We now look at gaps in the current knowledge regarding the conceptuali...
Interest in context-aware computing has expanded the use of sensing technologies. The accelerometer is one of the most widely used sensors for capturing context because it is small, inexpensive, lightweight, and self-operable. In efforts to obtain behavioral patterns, many studies have reported the use of multiple accelerometers attached to the hum...
The thesis research aims to further the study of human-robot interaction (HRI) issues, especially regarding the development of an assistive robot designed to help individuals possessing motor impairments. In particular, individuals with amyotrophic lateral sclerosis (ALS), represent a potential user population that possess an array of motor impairm...
Citations
... This situation illustrates the integration with adaptation approach of inclusive participation, which in this case has been influenced by legislative regulation. The development of the "zero exclusion" approach still faces many challenges, including the high costs and ambiguity involved when applying universal design (Law, Soo YI, Choi, & Jacko, 2007;Vandenbulcke, Steenberghen, & Thomas, 2009). ...
... In addition, it should be emphasized that people with physical disabilities, such as ALS, have classified object retrieval as a high-priority task for assistive robots [78]. Indeed, when people are unable to recover a dropped object on their own, they ask for the assistance of a caregiver; however, this requires a caregiver to be close and available and can diminish an individual's sense of independence. ...
... (RAPID Programming) RAPID, KUKA Robot Language (KRL), (Information Network for Online Retrieval Module), INFORM, UR Script, etc. After considering two or three programming languages worldwide, we decided on a language set for section control according to the language[24]. Examination structural rules, code types, and validation strategies. Language includes state, control, factor, action order, and development in table 1. ...
... Looking ahead, more tools facilitating collecting the insights of situated, embodied, individual experiences could be beneficial, to fit different situations and individual design preferences. It is also argued that more diversity guidelines are needed in the design of the design tools themselves, to fit the diversity of users and designers to be involved [50]. Further, including marginalized users and being sensitive to their needs means the design process and methods must also be inclusive. ...
... As with all efforts to enable participation of disadvantaged or disparate user groups, including the actual endusers or recipients of a design solution [15] in the design process continues to be a key challenge. The problem of ignoring user needs during the creation of design solutions is particularly problematic when designing for accessibility, with designers considering themselves the end-users, not the actual users [22]. ...
... In efforts to obtain behavioral patterns, many studies are being carried out for determining user context [23,24]. They attempted to recognize activities using a single three-axis accelerometer worn near the pelvic region and formulated the activity recognition as a classification problem. ...
... Using this method, one will often be able to uncover several local problems and many problems in total [22], but it may be difficult to determine the severity of the problems [23]. Also, the choice of heuristic is important and it seems that current accessibility heuristics have a number of shortcomings [24,25]. ...
... According to Begnum and Bue (2021) a widely accepted definition of an inclusive digital service is still not available, so, in this paper, we adopt the working definition as described in their work: "A service is universally designed when its customer journey is usable to all people (to the greatest extent possible and without the need for adaptation or specialized design), by selecting suitable touchpoints" (Begnum and Bue 2021, p. 22). The design has a significant impact on the value creation of the digital services (Law et al. 2008) and consequently on society as well (Kuk and Janssen 2013), with digitalized services dominating society at an ever increasing pace (Newman 2020). The impact service design has, is significant, and even though there is an idea on the relevant concepts linked to universal service design, awareness about this method is overall lacking (Begnum and Bue 2021;Delaere et al. 2020). ...
... Older adults with mobility loss placed more emphasis on enhancing their own functionality by remaining in control. This may provide insight to why direct methods of control have been successful with persons with impairments (e.g., Choi et al., 2009). This finding is of theoretical importance, because it provides evidence that the cognitive judgment of usefulness varies by user perceptions of loci of control. ...
... Another approach [29] uses an in-hand camera to detect three objects at fixed positions, evaluating 3 different interface-methods to chose the object to be grasped. The procedure works as follows: the user selects an object, the robot moves there, the robot places the arm above the object, the object is segmented from the in-hand camera image, the gripper is positioned and it goes down until tactile sensors touch the object, then the gripper is closed. ...