Keith Vertanen

schoolMichigan Technological Universitybar_chart#1780 Global Rank

Total Papers

HCI Rank

#1780

Research Areas

Years Active

Recent Publications

StegoType: Surface Typing from Egocentric Cameras

Text input is a critical component of any general purpose computing system, yet efficient and natural text input remains a challenge in AR and VR. Headset based hand-tracking has recently become pervasive among consumer VR devices and affords the opportunity to enable touch typing on virtual keyboards. We present an a…

CUI '23CorrespondingVoice User Interface (VUI) Design +1

Programming by Voice: Exploring User Preferences and Speaking Styles

Programming by voice is a potentially useful method for individuals with motor impairments. Spoken programs can be challenging for a standard speech recognizer with a language model trained on written text mined from sources such as web pages. Having an effective language model that captures the variability in spoken…

CHI '223rd AuthorMotor Impairment Assistive Input Technologies

A Performance Evaluation of Nomon: A Flexible Interface for Noisy Single-Switch Users

Some individuals with motor impairments communicate using a single switch --- such as a button click, air puff, or blink. Row-column scanning provides a method for choosing items arranged in a grid using a single switch. An alternative, Nomon, allows potential selections to be arranged arbitrarily rather than requirin…

CHI '21CorrespondingHuman-LLM Collaboration +1

Enhancing the Composition Task in Text Entry Studies: Eliciting Difficult Text and Improving Error Rate Calculation

Participants in text entry studies usually copy phrases or compose novel messages. A composition task mimics actual user behavior and can allow researchers to better understand how a system might perform in reality. A problem with composition is that participants may gravitate towards writing simple text, that is, tex…

CHI '191st AuthorVoice User Interface (VUI) Design +1

VelociWatch: Designing and Evaluating a Virtual Keyboard for the Input of Challenging Text

Virtual keyboard typing is typically aided by an auto-correct method that decodes a user's noisy taps into their intended text. This decoding process can reduce error rates and possibly increase entry rates by allowing users to type faster but less precisely. However, virtual keyboard decoders sometimes make mistakes…

CHI '181st AuthorVoice User Interface (VUI) Design +1

The Impact of Word, Multiple Word, and Sentence Input on Virtual Keyboard Decoding Performance

Entering text on non-desktop computing devices is often done via an onscreen virtual keyboard. Input on such keyboards normally consists of a sequence of noisy tap events that specify some amount of text, most commonly a single word. But is single word-at-a-time entry the best choice? This paper compares user performa…

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