Hands-free interaction with a computer and other technologies

International Journal of Human-Computer Interaction

Langdon

2015

This article presents a series of user studies to develop a new eye-gaze tracking-based pointing system. We developed a new target prediction model that works for different input modalities and combined the eye-gaze tracking-based pointing with a joystick controller that can reduce pointing and selection times. The system finds important applications in cockpit of combat aircraft and for computer novice users. User studies confirmed that users can perform significantly faster using this new eye-gaze tracking-based system for both military and everyday computing tasks compared to existing input devices. As part of the study it was also found that the amplitude of maximum power component obtained through Fourier Transform of pupil signal significantly correlates with selection times and perceived cognitive load of users in terms of Task Load Index scores.

Section: Introductionmentioning

confidence: 99%

Multimodal Intelligent Eye-Gaze Tracking System

International Journal of Human-Computer Interaction

Langdon

2015

“…It is quite strenuous to control the cursor through eye gaze for long time as the eye muscles soon become fatigue. Fejtová et al (2009) reported eye strain in six out of ten able-bodied participants in their study.…”

Section: Strainmentioning

confidence: 79%

A new input system for disabled users involving eye gaze tracker and scanning interface

Journal of Assistive Technologies

Langdon²

2011

PurposeThis paper aims to present a new input interaction system for people with severe disabilities. The new system works based on eye gaze tracking and single switch scanning interaction techniques. It combines eye gaze tracking and scanning in a unique way which is faster than only scanning‐based systems while more comfortable to use than only eye gaze tracking‐based systems, which is also supported by a user study.Design/methodology/approachThe aim was to design a new interaction technique combining eye tracking and scanning technique for severely disabled people. A comparative study with eight users involving only an eye tracking system and the system combining eye tracking and scanning was conducted.FindingsThe participants rated the new system easier and less strenuous to use than the eye gaze tracking‐based system, while the new system did not slow the speed of interaction.Originality/valueThis new method based on eye gaze tracking and single switch scanning interaction techniques has potential to be a new interaction technique combining free source eye tracker and scanning switches. It is hoped users who can move a limb to use a single switch‐based scanning system will be hugely benefitted by this new system.

“…They detected head movement by analyzing video input and their system is found to outperform another similar system called CameraMouse [14]. Fejtova's [15,16] Magic Key system also uses a webcam like CameraMouse, but the pointer is moved on a screen based on position of nose (nosetrills to be precise). Selection is done by eye blinks.…”

Section: Gaze Controlled Interfacementioning

confidence: 99%

Eye Gaze Controlled Projected Display in Automotive and Military Aviation Environments

Prabhakar

2018

MTI

This paper presents an eye gaze controlled projected display that can be used in aviation and automotive environment as a head up display. We have presented details of the hardware and software used in developing the display and an algorithm to improve performance of point and selection tasks in eye gaze controlled graphical user interface. The algorithm does not require changing layout of an interface; it rather puts a set of hotspots on clickable targets using a Simulated Annealing algorithm. Four user studies involving driving and flight simulators have found that the proposed projected display can improve driving and flying performance and significantly reduce pointing and selection times for secondary mission control tasks compared to existing interaction systems.