IEEE Transactions on Pattern Analysis and Machine Intelligence, 1998
... Corner points should be well localized. Corner detector should be robust with respect to no... more ... Corner points should be well localized. Corner detector should be robust with respect to noise. Corner detector should be efficient. This paper proposes a new corner detection method [16] based on the curvature scale-space (CSS) technique. ...
International Symposium on Wearable Computers, 2001
Usability tests with wearable computers are difficult to conduct due to the nature of wearable co... more Usability tests with wearable computers are difficult to conduct due to the nature of wearable computers. Wearable computers are intended for personal use and the test supervisor does not know exactly what the test subject is currently seeing in augmented reality through the head-worn display of the wearable computer. Due to this personal nature, the concepts of traditional usability testing
We have designed, implemented, and evaluated a map application for wearable computer users. Our a... more We have designed, implemented, and evaluated a map application for wearable computer users. Our application, called WalkMap, is targeted at a walking user in an urban environment, offering the user both navigational aids as well as contextual information. WalkMap uses augmented reality techniques to display a map on the surrounding area on the user's head-worn display. WalkMap is constructed by
International Symposium on Wearable Computers, 2000
We present an easy and natural method for accessing contextual data shown on an electronic map in... more We present an easy and natural method for accessing contextual data shown on an electronic map in a wearable computer. The information is stored as virtual objects in a known network database. The objects are retrieved from a point of interest database and visualized on a head-worn display of a wearable computer. Our method uses the familiar compass metaphor to
Proceedings of the 2008 International Conference in Advances on Computer Entertainment Technology - ACE '08, 2008
In addition to using Bluetooth as a communication channel, it can be used to discover other devic... more In addition to using Bluetooth as a communication channel, it can be used to discover other devices nearby. In games, such information can be used in many ways, such as to group people or direct player to player interaction for instance. In this paper, we explore the possibility to use social proximity in multiplayer gaming using mobile phones. As an
Camera is becoming more common in mobile phones and it is commonly used for exchanging photos bet... more Camera is becoming more common in mobile phones and it is commonly used for exchanging photos between people. The photos could be used for other purposes as well, such as gaming. This paper presents Assassin, a mobile multiplayer game using camera and photos as the main form of player-to-player interaction. The goal in the game is to catch other players
Advances in Computer Entertainment Technology, 2008
In addition to using Bluetooth as a communication channel, it can be used to discover other devic... more In addition to using Bluetooth as a communication channel, it can be used to discover other devices nearby. In games, such information can be used in many ways, such as to group people or direct player to player interaction for instance. In this paper, we explore the possibility to use social proximity in multiplayer gaming using mobile phones. As an
International Workshop on Entertainment Computing, 2006
Camera is becoming more common in mobile phones and it is commonly used for exchanging photos bet... more Camera is becoming more common in mobile phones and it is commonly used for exchanging photos between people. The photos could be used for other purposes as well, such as gaming. This paper presents Assassin, a mobile multiplayer game using camera and photos as the main form of player-to-player interaction. The goal in the game is to catch other players
Intelligent Technologies for Interactive Entertainment, 2005
We have studied the use of a public screen integrated to a mobile multiplayer game in order to cr... more We have studied the use of a public screen integrated to a mobile multiplayer game in order to create a new kind of user experience. In the user evaluations, the game FirstStrike was tested by eight user groups, each containing four players. The evaluations showed that ...
IEEE International Conference on Pervasive Computing and Communications, 2006
Abstract In this paper we introduce prerequisites for the empowerment of social interaction when ... more Abstract In this paper we introduce prerequisites for the empowerment of social interaction when using a multi-user mobile service. The paper is based on a case study of user experiences of a multiplayer mobile game where the players attend the game via their ...
IEEE Transactions on Pattern Analysis and Machine Intelligence, 1998
... Corner points should be well localized. Corner detector should be robust with respect to no... more ... Corner points should be well localized. Corner detector should be robust with respect to noise. Corner detector should be efficient. This paper proposes a new corner detection method [16] based on the curvature scale-space (CSS) technique. ...
International Symposium on Wearable Computers, 2001
Usability tests with wearable computers are difficult to conduct due to the nature of wearable co... more Usability tests with wearable computers are difficult to conduct due to the nature of wearable computers. Wearable computers are intended for personal use and the test supervisor does not know exactly what the test subject is currently seeing in augmented reality through the head-worn display of the wearable computer. Due to this personal nature, the concepts of traditional usability testing
We have designed, implemented, and evaluated a map application for wearable computer users. Our a... more We have designed, implemented, and evaluated a map application for wearable computer users. Our application, called WalkMap, is targeted at a walking user in an urban environment, offering the user both navigational aids as well as contextual information. WalkMap uses augmented reality techniques to display a map on the surrounding area on the user's head-worn display. WalkMap is constructed by
International Symposium on Wearable Computers, 2000
We present an easy and natural method for accessing contextual data shown on an electronic map in... more We present an easy and natural method for accessing contextual data shown on an electronic map in a wearable computer. The information is stored as virtual objects in a known network database. The objects are retrieved from a point of interest database and visualized on a head-worn display of a wearable computer. Our method uses the familiar compass metaphor to
Proceedings of the 2008 International Conference in Advances on Computer Entertainment Technology - ACE '08, 2008
In addition to using Bluetooth as a communication channel, it can be used to discover other devic... more In addition to using Bluetooth as a communication channel, it can be used to discover other devices nearby. In games, such information can be used in many ways, such as to group people or direct player to player interaction for instance. In this paper, we explore the possibility to use social proximity in multiplayer gaming using mobile phones. As an
Camera is becoming more common in mobile phones and it is commonly used for exchanging photos bet... more Camera is becoming more common in mobile phones and it is commonly used for exchanging photos between people. The photos could be used for other purposes as well, such as gaming. This paper presents Assassin, a mobile multiplayer game using camera and photos as the main form of player-to-player interaction. The goal in the game is to catch other players
Advances in Computer Entertainment Technology, 2008
In addition to using Bluetooth as a communication channel, it can be used to discover other devic... more In addition to using Bluetooth as a communication channel, it can be used to discover other devices nearby. In games, such information can be used in many ways, such as to group people or direct player to player interaction for instance. In this paper, we explore the possibility to use social proximity in multiplayer gaming using mobile phones. As an
International Workshop on Entertainment Computing, 2006
Camera is becoming more common in mobile phones and it is commonly used for exchanging photos bet... more Camera is becoming more common in mobile phones and it is commonly used for exchanging photos between people. The photos could be used for other purposes as well, such as gaming. This paper presents Assassin, a mobile multiplayer game using camera and photos as the main form of player-to-player interaction. The goal in the game is to catch other players
Intelligent Technologies for Interactive Entertainment, 2005
We have studied the use of a public screen integrated to a mobile multiplayer game in order to cr... more We have studied the use of a public screen integrated to a mobile multiplayer game in order to create a new kind of user experience. In the user evaluations, the game FirstStrike was tested by eight user groups, each containing four players. The evaluations showed that ...
IEEE International Conference on Pervasive Computing and Communications, 2006
Abstract In this paper we introduce prerequisites for the empowerment of social interaction when ... more Abstract In this paper we introduce prerequisites for the empowerment of social interaction when using a multi-user mobile service. The paper is based on a case study of user experiences of a multiplayer mobile game where the players attend the game via their ...
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Papers by Riku Suomela