Publications

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Publications

Improving FlexType: Ambiguous Text Input for Users with Visual Impairments

Dylan Gaines, Keith Vertanen

PETRA '24: Proceedings of the 16th International Conference on PErvasive Technologies Related to Assistive Environments, 2024.

Leveraging Large Pretrained Models for Line-by-Line Spoken Program Recognition

Sadia Nowrin, Keith Vertanen

ICASSP '24: Proceedings of the IEEE Conference on Acoustics, Speech, and Signal Processing, 2024.

A Usability Study of Nomon: a Flexible Interface for Single-Switch Users

Nicholas Bonaker, Emli-Mari Nel, Keith Vertanen, Tamara Broderick

ASSETS '23: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility, 2023.

Language Model Personalization for Improved Touchscreen Typing

Jiban Adhikary, Keith Vertanen

Interspeech '23: Proceedings of the International Conference on Spoken Language Processing, 2023.

Programming by Voice: Exploring User Preferences and Speaking Styles

Sadia Nowrin, Keith Vertanen

CUI '23: Proceedings of the 5th Conference on Conversational User Interfaces, 2023.

FlexType: Flexible Text Input with a Small Set of Input Gestures

Dylan Gaines, Mackenzie Baker, Keith Vertanen

IUI '23: Proceedings of the ACM International Conference on Intelligent User Interfaces, 2023.

A Dataset of Noisy Typing on QWERTY Keyboards

Keith Vertanen, Per Ola Kristensson

IUI '23: Proceedings of the ACM International Conference on Intelligent User Interfaces (open science), 2023.

Understanding Adoption Barriers to Dwell-Free Eye-Typing: Design Implications from a Qualitative Deployment Study and Computational Simulations

Per Ola Kristensson, Morten Mjelde, Keith Vertanen

IUI '23: Proceedings of the ACM International Conference on Intelligent User Interfaces, 2023.

Statistical Keyboard Decoding

Dylan Gaines, John Dudley, Per Ola Kristensson, Keith Vertanen

Bayesian Methods for Interaction and Design, 2022.

A Comparison of Table, Wall, and Midair Mixed Reality Keyboard Locations

Joshua Reynolds, Scott Kuhl, Keith Vertanen

MobileHCI 2022 Workshop on Shaping Text Entry Research for 2030, 2022.

A Phrase Dataset with Difficulty Ratings Under Simulated Touchscreen Input

Dylan Gaines, Keith Vertanen

MobileHCI 2022 Workshop on Shaping Text Entry Research for 2030, 2022.

The Impact of Number of Predictions on User Performance in a Dwell Keyboard

Jiban Adhikary, Max Isom, Keith Vertanen

MobileHCI 2022 Workshop on Shaping Text Entry Research for 2030, 2022.

Exploring Motor-impaired Programmers' Use of Speech Recognition

Sadia Nowrin, Patricia Ordóñez, Keith Vertanen

ASSETS '22: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility (poster), 2022.

Understanding How People with Visual Impairments Take Selfies: Experiences and Challenges

Ricardo E. Gonzalez Penuela, Paul Vermette, Zihan Yan, Cheng Zhang, Keith Vertanen, Shiri Azenkot

ASSETS '22: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility (poster), 2022.

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

Nicholas Bonaker, Emli-Mari Nel, Keith Vertanen, Tamara Broderick

CHI '22: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, 2022.

Demonstrating Nomon: A Flexible Interface for Noisy Single-Switch Users

Nicholas Bonaker, Emli-Mari Nel, Keith Vertanen, Tamara Broderick

CHI '22: Extended Abstracts of the SIGCHI Conference on Human Factors in Computing Systems, 2022.

Accelerating Text Communication via Abbreviated Sentence Input

Jiban Adhikary, Jamie Berger, Keith Vertanen

Proceedings of the Joint Conference of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing, 2021.

Typing on Midair Virtual Keyboards: Exploring Visual Designs and Interaction Styles

Jiban Adhikary, Keith Vertanen

Human-Computer Interaction -- INTERACT, 2021.

Probabilistic Text Entry-Case Study 3

Keith Vertanen

Intelligent Computing for Interactive System Design: Statistics, Digital Signal Processing, and Machine Learning in Practice, 2021.

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

Dylan Gaines, Per Ola Kristensson, Keith Vertanen

CHI '21: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, 2021.

Text Entry in Virtual Environments using Speech and a Midair Keyboard

Jiban Adhikary, Keith Vertanen

IEEE Transactions on Visualization and Computer Graphics, 2021. TVCG Best Journal Nominee.

Mining, Analyzing, and Modeling Text Written on Mobile Devices

Keith Vertanen, Per Ola Kristensson

Natural Language Engineering, 2021.

Investigating Speech Recognition for Improving Predictive AAC

Jiban Adhikary, Robbie Watling, Crystal Fletcher, Alex Stanage, Keith Vertanen

SLPAT '19: Proceedings of the Workshop on Speech and Language Processing for Assistive Technologies, 2019.

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

Keith Vertanen, Dylan Gaines, Crystal Fletcher, Alex M. Stanage, Robbie Watling, Per Ola Kristensson

CHI '19: Proceedings of the ACM Conference on Human Factors in Computing Systems, 2019.

Fast and Precise Touch-Based Text Entry for Head-Mounted Augmented Reality with Variable Occlusion

John J. Dudley, Keith Vertanen, Per Ola Kristensson

ACM Transactions on Computer-Human Interaction (TOCHI), 2018.

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

Keith Vertanen, Crystal Fletcher, Dylan Gaines, Jacob Gould, Per Ola Kristensson

CHI '18: Proceedings of the ACM Conference on Human Factors in Computing Systems, 2018.

Towards Improving Predictive AAC using Crowdsourced Dialogues and Partner Context

Keith Vertanen

ASSETS '17: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility (poster), 2017.

Efficient Typing on a Visually Occluded Physical Keyboard

James Walker, Bochao Li, Keith Vertanen, Scott Kuhl

CHI '17: Proceedings of the ACM Conference on Human Factors in Computing Systems, 2017.

Towards Fluid Speech-based Text Interaction

Keith Vertanen

CHI '17: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (workshop), 2017.

Ubiquitous Text Interaction

Keith Vertanen, Mark Dunlop, Xiaojun Bi, Kyle Montague, Ahmed Sabbir Arif, Shiri Azenkot

CHI '17: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (workshop), 2017.

Counting Fingers: Eyes-Free Text Entry without Touch Location

Keith Vertanen

CHI '16: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (workshop), 2016.

Decoder-Assisted Typing using an HMD and a Physical Keyboard

James Walker, Scott Kuhl, Keith Vertanen

CHI '16: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (workshop), 2016.

Inviscid Text Entry and Beyond

Keith Vertanen, Mark Dunlop, James Clawson, Per Ola Kristensson, Ahmed Sabbir Arif

CHI '16: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (workshop), 2016.

VelociTap: Investigating Fast Mobile Text Entry using Sentence-based Decoding of Touchscreen Keyboard Input

Keith Vertanen, Haythem Memmi, Justin Emge, Shyam Reyal, Per Ola Kristensson

CHI '15: Proceedings of the ACM Conference on Human Factors in Computing Systems, 2015. CHI Best Paper.

Speech Dasher: A Demonstration of Text Input using Speech and Approximate Pointing

Keith Vertanen, David J.C. MacKay

ASSETS '14: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility (poster), 2014.

Phoneme-based Predictive Text Entry Interface

Ha Trinh, Annalu Waller, Keith Vertanen, Per Ola Kristensson, Vicki L. Hanson

ASSETS '14: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility (poster), 2014.

The Inviscid Text Entry Rate and its Application as a Grand Goal for Mobile Text Entry

Per Ola Kristensson, Keith Vertanen

MobileHCI '14: Proceedings of the ACM International Conference on Human-Computer Interaction with Mobile Devices and Services, 2014.

An Evaluation of Dasher with a High-Performance Language Model as a Gaze Communication Method

Daniel Rough, Keith Vertanen, Per Ola Kristensson

AVI '14: Proceedings of the ACM International Working Conference on Advanced Visual Interfaces, 2014.

Text Blaster: A Multi-Player Touchscreen Typing Game

Keith Vertanen, Justin Emge, Haythem Memmi, Per Ola Kristensson

CHI '14: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (interactivity), 2014.

Uncertain Text Entry on Mobile Devices

Daryl Weir, Henning Pohl, Simon Rogers, Keith Vertanen, Per Ola Kristensson

CHI '14: Proceedings of the ACM Conference on Human Factors in Computing Systems, 2014.

The Usability of Text Entry Systems Now and in the Future

James Clawson, Stephen Brewster, Mark Dunlop, Per Ola Kristensson, Poika Isokoski, Antti Oulasvirta, Keith Vertanen, Annalu Waller

CHI '14: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (sig), 2014.

Complementing Text Entry Evaluations with a Composition Task

Keith Vertanen, Per Ola Kristensson

ACM Transactions on Computer-Human Interaction (TOCHI), 2014.

The Feasibility of Eyes-Free Touchscreen Keyboard Typing

Keith Vertanen, Haythem Memmi, Per Ola Kristensson

ASSETS '13: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility (poster), 2013.

A Collection of Conversational AAC-like Communications

Keith Vertanen

ASSETS '13: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility (poster), 2013.

Developing Efficient Text Entry Methods for the Sinhalese Language

Shyam Reyal, Keith Vertanen and Per Ola Kristensson

CHI '13: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (workshop), 2013.

Improving Two-Thumb Text Entry on Touchscreen Devices

Antti Oulasvirta, Anna Reichel, Wenbin Li, Yan Zhang, Myroslav Bachynskyi, Keith Vertanen, Per Ola Kristensson

CHI '13: Proceedings of the ACM Conference on Human Factors in Computing Systems, 2013.

Grand Challenges in Text Entry

Per Ola Kristensson, Stephen Brewster, James Clawson, Mark Dunlop, Leah Findlater, Poika Isokoski, Benoît Martin, Antti Oulasvirta, Keith Vertanen, Annalu Waller

CHI '13: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (workshop), 2013.

iSCAN: A Phoneme-based Predictive Communication Aid for Nonspeaking Individuals

Ha Trinh, Annalu Waller, Keith Vertanen, Per Ola Kristensson, Vicki L. Hanson

ASSETS '12: Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility, 2012. ACM SIGACCESS Best Student Paper Award.

Spelling as a Complementary Strategy for Speech Recognition

Keith Vertanen, Per Ola Kristensson

Interspeech '12: Proceedings of the International Conference on Spoken Language Processing, 2012.

Applying Prediction Techniques to Phoneme-based AAC Systems

Ha Trinh, Annalu Waller, Keith Vertanen, Per Ola Kristensson, Vicki L. Hanson

SLPAT '12: Proceedings of the Workshop on Speech and Language Processing for Assistive Technologies, 2012.

The Potential of Dwell-Free Eye-Typing for Fast Assistive Gaze Communication

Per Ola Kristensson and Keith Vertanen

ETRA '12: Proceedings of the ACM Symposium on Eye-Tracking Research and Applications, 2012. ETRA Best Paper Honorable Mention.

Performance Comparisons of Phrase Sets and Presentation Styles for Text Entry Evaluations

Per Ola Kristensson and Keith Vertanen

IUI '12: Proceedings of the ACM International Conference on Intelligent User Interface, 2012.

Designing and Evaluating Text Entry Methods

Per Ola Kristensson, James Clawson, Mark Dunlop, Poika Isokoski, Brian Roark, Keith Vertanen, Annalu Waller, Jacob O. Wobbrock

CHI '12: Extended Abstracts of the ACM International Conference on Human Factors in Computing Systems (workshop), 2012.

Asynchronous Multimodal Text Entry using Speech and Gesture Keyboards

Per Ola Kristensson and Keith Vertanen

Interspeech '11: Proceedings of the International Conference on Spoken Language Processing, 2011.

The Imagination of Crowds: Conversational AAC Language Modeling using Crowdsourcing and Large Data Sources

Keith Vertanen, Per Ola Kristensson

EMNLP '11: Proceedings of the ACL Conference on Empirical Methods in Natural Language Processing, 2011. Featured in New Scientist.

A Versatile Dataset for Text Entry Evaluations Based on Genuine Mobile Emails

Keith Vertanen, Per Ola Kristensson

MobileHCI '11: Proceedings of the ACM International Conference on Human-Computer Interaction with Mobile Devices and Services, 2011.

Getting it Right the Second Time: Recognition of Spoken Corrections

Keith Vertanen, Per Ola Kristensson

SLT '10: Proceedings of the IEEE Workshop on Spoken Language Technology, 2010.

Intelligently Aiding Human-Guided Correction of Speech Recognition

Keith Vertanen and Per Ola Kristensson

AAAI '10: Proceedings of the AAAI Conference on Artificial Intelligence, 2010.

Speech Dasher: Fast Writing using Speech and Gaze

Keith Vertanen, David J.C. MacKay

CHI '10: Proceedings of the ACM Conference on Human Factors in Computing Systems, 2010.

Automatic Selection of Recognition Errors by Respeaking the Intended Text

Keith Vertanen, Per Ola Kristensson

ASRU '09: IEEE Workshop on Automatic Speech Recognition and Understanding, 2009.

Recognition and Correction of Voice Web Search Queries

Keith Vertanen, Per Ola Kristensson

Interspeech '09: Proceedings of the International Conference on Spoken Language Processing, 2009.

Parakeet: A Continuous Speech Recognition System for Mobile Touch-Screen Devices

Keith Vertanen, Per Ola Kristensson

IUI '09: Proceedings of the ACM International Conference on Intelligent User Interfaces, 2009. Featured in The Economist.

Parakeet: A Demonstration of Speech Recognition on a Mobile Touch-Screen Device

Keith Vertanen, Per Ola Kristensson

IUI '09: Proceedings of the ACM International Conference on Intelligent User Interfaces, 2009.

On the Benefits of Confidence Visualization in Speech Recognition

Keith Vertanen, Per Ola Kristensson

CHI '08: Proceedings of the ACM Conference on Human Factors in Computing Systems, 2008.

Combining Open Vocabulary Recognition and Word Confusion Networks

Keith Vertanen

ICASSP '08: Proceedings of the IEEE Conference on Acoustics, Speech, and Signal Processing, 2008.

Speech and Speech Recognition during Dictation Corrections

Keith Vertanen

Interspeech '06: Proceedings of the International Conference on Spoken Language Processing, 2006.

Scheduling Problems in a Practical Allocation Model

Lisa Hollermann, Tsan-sheng Hsu, Dian Lopez, Keith Vertanen

Journal of Combinatorial Optimization, 1997.


Theses

Efficient Correction Interfaces for Speech Recognition

PhD thesis, University of Cambridge, 2009.

Efficient Computer Interfaces Using Continuous Gestures, Language Models, and Speech

M.Phil thesis, University of Cambridge, 2004.

A Parallel Implementation of a Fluid Flow Simulation using Smoothed Particle Hydrodynamics

Master's thesis, Oregon State University, 1999.


Techncal Reports and Notes

Baseline WSJ Acoustic Models for HTK and Sphinx: Training Recipes and Recognition Experiments

Keith Vertanen

Technical Report, Cavendish Laboratory, 2006.