2015
DOI: 10.3758/s13428-015-0610-3
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Determining the bias and variance of a deterministic finger-tracking algorithm

Abstract: Finger tracking has the potential to expand haptic research and applications, as eye tracking has done in vision research. In research applications, it is desirable to know the bias and variance associated with a finger-tracking method. However, assessing the bias and variance of a deterministic method is not straightforward. Multiple measurements of the same finger position data will not produce different results, implying zero variance. Here, we present a method of assessing deterministic finger-tracking var… Show more

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Cited by 5 publications
(4 citation statements)
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References 26 publications
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“…One key difference is P1's constant use of both hands and, at some points, each hand was seemingly performing a different function, such as marking a location versus perceiving a shape. This resonates with the research by Lorimer (2002), who suggests that the most efficient method for reading braille is when hands work independently and take different roles (e.g., one hand reads, the other is positioned elsewhere along the line). Furthermore, Lorimer states that a poor reader would tend to use both hands for the same purpose (p. 77), which parallels Participant P2's use of both hands to recognize an object more often than P1.…”
Section: System Demonstrationsupporting
confidence: 70%
“…One key difference is P1's constant use of both hands and, at some points, each hand was seemingly performing a different function, such as marking a location versus perceiving a shape. This resonates with the research by Lorimer (2002), who suggests that the most efficient method for reading braille is when hands work independently and take different roles (e.g., one hand reads, the other is positioned elsewhere along the line). Furthermore, Lorimer states that a poor reader would tend to use both hands for the same purpose (p. 77), which parallels Participant P2's use of both hands to recognize an object more often than P1.…”
Section: System Demonstrationsupporting
confidence: 70%
“…Noldus, Spink, & Tegelenbosch, 2001). More recently, diagrams that preserve information about the continuous motion of limbs and joints have become more common (e.g., Cappozzo, Della Croce, Leardini, & Chiari, 2005; Leuenberger, Hofmann, Brugger, & Gassert, 2015; Lewkowicz & Delevoye-Turrell, 2016; Medved, 2000; Morash & van der Velden, 2016). Behavioral scientists have also made increasing use of graphical representations of neural activity to support various theories of human motivation and behavior (e.g., Ortiz-Terán, Turrero, Santos, Bryant, & Ortiz, 2013; Rilling et al, 2002; Sanfey, Rilling, Aronson, Nystrom, & Cohen, 2003).…”
mentioning
confidence: 99%
“…As tarefas de contorno e localização de linhas (Skimming) ocorreram de forma mais rápida com o aumento do uso do número de dedos da mão e, às vezes, quando adicionados dedos da segunda mão. 46 Chama atenção neste estudo de Morash et al (2014) que, as tarefas de pesquisa de mapas eram mais rápidas com vários dedos e duas mãos, enquanto que, as tarefas de comparação de distância foram realizadas mais rapidamente com vários dedos, mas somente com uma mão, indicando que, em situações de precisão, a informação pode ser mais consistente com a percepção mais pontual de uma única mão. 46 Nesses casos mais pontuais quando o participante utilizava apenas um dedo para tentar idêntica e ou realizar imagem mental da figura a ser palpada, estes utilizavam apenas um dedo (Skimming).…”
Section: Correlação Da Quantidade Ems Com O Tempounclassified
“…46 Chama atenção neste estudo de Morash et al (2014) que, as tarefas de pesquisa de mapas eram mais rápidas com vários dedos e duas mãos, enquanto que, as tarefas de comparação de distância foram realizadas mais rapidamente com vários dedos, mas somente com uma mão, indicando que, em situações de precisão, a informação pode ser mais consistente com a percepção mais pontual de uma única mão. 46 Nesses casos mais pontuais quando o participante utilizava apenas um dedo para tentar idêntica e ou realizar imagem mental da figura a ser palpada, estes utilizavam apenas um dedo (Skimming). Os autores afirmaram que, a partir de seus experimentos, é possível afirmar que "o sistema háptico tem melhor desempenho quando pode explorar com independência de escolha pelo uso de vários dedos"…”
Section: Correlação Da Quantidade Ems Com O Tempounclassified