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"The World as your Palette" is our ongoing effort to design and develop tools to allow artists to create visual art projects with elements (specifically, the color, texture, and moving patterns) extracted directly from their personal objects and their immediate environment. Our tool called "I/O Brush" looks like a regular physical paintbrush, but contains a(More)
Sawhney By " everywhere messaging " we refer to the ability to send and receive electronic communication at any time and through a variety of means, including wired and wireless computer networks, voice telephones, and pagers. Our goal is to design messaging systems in which the receiver is always " on " and available, and messages are correctly chosen for(More)
We present a system in which a cell phone decides whether to ring by accepting votes from the others in a conversation with the called party. When a call comes in, the phone first determines who is in the conversation by using a decentralized network of autonomous body-worn sensor nodes. It then vibrates all participants' wireless finger rings. Although the(More)
I/O Brush is our ongoing effort to empower people to create new expressions and meanings by painting with attributes of everyday objects and movements in their physical world. Using examples from our case studies with kindergarteners and artists, we discuss I/O Brush's most distinguishing features, its dynamic ink and history functions, and how they enable(More)
This paper presents a method to estimate hand positions behind a display, while the person's body is in front of the display. This allows for direct and bare hand interaction with virtual objects in an AR setting. As a sensor, we use a time-of-flight range camera, which provides depth information per pixel, but is noisy. While hand tracking has previously(More)
We present DRIVE, an interaction method that allows a user to manipulate virtual content by reaching behind a mobile display device such as a cellphone, tablet PC, etc. Unlike prior work that uses front volume as well as front, side, and back surfaces, DRIVE utilizes the back volume of the device. Together with face tracking, out system creates the illusion(More)
Chris Schmandt is a computer scientist with an interest in mobile computing and mediated communication; he is the head of the Speech Interface Group at the MIT Media Lab. Stefan Marti is a research assistant with an interest in telecommunication intermediaries; he is a PhD candidate in the Speech Interface Group at the MIT Media Lab. ABSTRACT Active(More)
In this paper, we describe a novel interaction method called Ghost Fingers, which enables efficient and intuitive switching between keyboard and multi-touch input on systems where the display is out of arm's reach. In addition, Ghost Fingers provides a translucent real-time visualization of the fingers and hands on the remote display, creating a closed(More)
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