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Transparency and awareness in a real-time groupware system, UIST ’92

by Michel Beaudouin-lafon, Alain Karsenty - Proceedings of the 5th annual ACM symposium on User interface software and technology, ACM , 1992
"... This article explores real-time groupware systems from the perspective of both the users and the designer. This exploration is carried out through the description of GroupDesign, a real-time multi-user drawing tool that we have developed. From the perspective of the users, we present a number of fun ..."
Abstract - Cited by 87 (5 self) - Add to MetaCart
This article explores real-time groupware systems from the perspective of both the users and the designer. This exploration is carried out through the description of GroupDesign, a real-time multi-user drawing tool that we have developed. From the perspective of the users, we present a number

Concurrency Control in Groupware Systems

by C. A. Ellis, S. J. Gibbs - ACM SIGMOD Record , 1989
"... Abstract. Groupware systems are computer-based systems that support two or more users engaged in a common task, and that provide an interface to a shared environment. These systems frequently require fine-granularity sharing of data and fast response times. This paper distinguishes real-time groupwa ..."
Abstract - Cited by 373 (0 self) - Add to MetaCart
Abstract. Groupware systems are computer-based systems that support two or more users engaged in a common task, and that provide an interface to a shared environment. These systems frequently require fine-granularity sharing of data and fast response times. This paper distinguishes real-time

Workspace awareness in real-time distributed groupware

by Carl Gutwin, Saul Greenberg , 1997
"... The rich person-to-person interaction afforded by shared physical workspaces allows people to maintain up-to-the minute knowledge about others ’ interaction with the workspace. This knowledge is workspace awareness, part of the glue that allows groups to collaborate effectively. In real-time groupwa ..."
Abstract - Cited by 142 (22 self) - Add to MetaCart
The rich person-to-person interaction afforded by shared physical workspaces allows people to maintain up-to-the minute knowledge about others ’ interaction with the workspace. This knowledge is workspace awareness, part of the glue that allows groups to collaborate effectively. In real-time

Registration for Real-Time Groupware

by Mark Roseman Saul, Saul Greenberg , 1994
"... This paper examines the groupware registration problems, both social and technical, that occur as users select their tools and the others who will share them. We argue that users require far better and more flexible registration than is provided in today's systems. From our examination of users ..."
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-meeting process, flexibility, toolkits, architectures INTRODUCTION Collaborations exist well beyond the boundaries supported by today's real-time groupware systems. In this paper, we address one of the many activities peripheral to the main groupware task, groupware registration. Registration

Real-Time Systems

by Fan Liu, Ajit Narayanan, Quan Bai , 2000
"... Collision avoidance is an important topic in multi-robot systems. Existing multi-robot pathfinding approaches ignore sideswipe collisions among robots (i.e., only consider the collision which two agents try to occupy the same node during the same time-step) [1, 3, 4], and allow diagonal move between ..."
Abstract - Cited by 602 (11 self) - Add to MetaCart
Collision avoidance is an important topic in multi-robot systems. Existing multi-robot pathfinding approaches ignore sideswipe collisions among robots (i.e., only consider the collision which two agents try to occupy the same node during the same time-step) [1, 3, 4], and allow diagonal move

Robust real-time face detection

by Paul Viola, Michael Jones - International Journal of Computer Vision , 2004
"... We have constructed a frontal face detection system which achieves detection and false positive rates which are equivalent to the best published results [7, 5, 6, 4, 1]. This face detection system is most clearly distinguished from previous approaches in its ability to detect faces extremely rapidly ..."
Abstract - Cited by 1888 (9 self) - Add to MetaCart
We have constructed a frontal face detection system which achieves detection and false positive rates which are equivalent to the best published results [7, 5, 6, 4, 1]. This face detection system is most clearly distinguished from previous approaches in its ability to detect faces extremely

Robust Real-time Object Detection

by Paul Viola, Michael Jones - International Journal of Computer Vision , 2001
"... This paper describes a visual object detection framework that is capable of processing images extremely rapidly while achieving high detection rates. There are three key contributions. The first is the introduction of a new image representation called the “Integral Image ” which allows the features ..."
Abstract - Cited by 1184 (4 self) - Add to MetaCart
background regions of the image to be quickly discarded while spending more computation on promising object-like regions. A set of experiments in the domain of face detection are presented. The system yields face detection performace comparable to the best previous systems [18, 13, 16, 12, 1]. Implemented

Symbolic Model Checking for Real-time Systems

by Thomas A. Henzinger, Xavier Nicollin, Joseph Sifakis, Sergio Yovine - INFORMATION AND COMPUTATION , 1992
"... We describe finite-state programs over real-numbered time in a guarded-command language with real-valued clocks or, equivalently, as finite automata with real-valued clocks. Model checking answers the question which states of a real-time program satisfy a branching-time specification (given in an ..."
Abstract - Cited by 578 (50 self) - Add to MetaCart
We describe finite-state programs over real-numbered time in a guarded-command language with real-valued clocks or, equivalently, as finite automata with real-valued clocks. Model checking answers the question which states of a real-time program satisfy a branching-time specification (given

Design of a Real-Time Groupware Toolkit

by Mark Roseman , 1993
"... Real-time groupware systems, where several users work simultaneously with the same information, are notoriously difficult to construct. This thesis describes the design and implementation of a toolkit for building real-time groupware. Following a user-centered methodology, a number of requirements f ..."
Abstract - Cited by 3 (0 self) - Add to MetaCart
Real-time groupware systems, where several users work simultaneously with the same information, are notoriously difficult to construct. This thesis describes the design and implementation of a toolkit for building real-time groupware. Following a user-centered methodology, a number of requirements

Pfinder: Real-time tracking of the human body

by Christopher Richard Wren, Ali Azarbayejani, Trevor Darrell, Alex Paul Pentland - IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE , 1997
"... Pfinder is a real-time system for tracking people and interpreting their behavior. It runs at 10Hz on a standard SGI Indy computer, and has performed reliably on thousands of people in many different physical locations. The system uses a multiclass statistical model of color and shape to obtain a 2D ..."
Abstract - Cited by 1482 (48 self) - Add to MetaCart
Pfinder is a real-time system for tracking people and interpreting their behavior. It runs at 10Hz on a standard SGI Indy computer, and has performed reliably on thousands of people in many different physical locations. The system uses a multiclass statistical model of color and shape to obtain a 2
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