A person holding a smartphone with three small vibrotactile motors on top and bottom that are in contact with their fingers.

Braille 21

Braille 21 is an umbrella term for a series of research projects that aim to bring Braille to the 21st century. Our goal is to facilitate access to Braille in the new digital era.

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A blind person holding a white cane and seated on a park bench.

Accessibility in the Wild

In this project, we are creating the tools to characterize user performance in the wild and improve current everyday devices and interfaces.

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User wearing a Google Glass. The Google Glass is displaying an American Sign Language interpreter gesturing.

Accessible Classrooms

This research leverages mobile and wearable technologies to improve classroom accessibility for Deaf and Hard of Hearing college students.

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A user holding a smartphone and typing using an alternative keyboard.

Non-visual Mobile Text-Entry

Although text-entry is an inherently visually demanding task, we are creating novel non-visual input methods to multiple form-factors: from tablets to smartwatches.

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Someone holding a smartphone with both hands. The device is inside a custom case that has 3 small vibrotactile motors on top and bottom. These motors are in contact with the user's fingers.

Multi-point Vibrotactile Feedback

As touchscreens have evolved to provide multitouch capabilities, we are exploring new multi-point feedback solutions.

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Illustration of a user with headphones. The user is typing in a touchscreen QWERTY keyboard with both index fingers. Auditory feedback for each finger is displayed separetly in each ear.

Applications for Concurrent Speech

In this research work, we are investigating novel interactive applications that leverage the use of concurrent speech to improve users' experiences.

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Motor-impaired user performing an upper body rehabilitation exercise while being assisted by a fisiotherapist.

Improving Rehabilitation

This project investigates how accurate tracking systems and engaging activities can be leveraged to provide effective evaluation procedures in physical rehabilitation.

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Older adult typing on a smartphone using a QWERTY keyboard. The person is using one hand to hold the phone and typing with a single index finger.

Disabled 'R' All

We aim to understand the overlap of problems faced by health and situational impaired users when using their mobile devices and design solutions for both user groups.

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Motor-impaired user interacting with a mobile touchscreen device. The device is on top of a table. The person is using two fingers (index and middle) to touch the screen.

Motor-Impaired and Touchscreens

Our goal is to thoroughly study mobile touchscreen interfaces, their characteristics and parameterizations, thus providing the tools for informed interface design.

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My Office

Instituto Superior Técnico,
Computer Science and Engineering Department,
Room 2-N9.21 - TagusPark
Avenida Professor Cavaco Silva,
2744-016 Porto Salvo,