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This paper presents an experiment aimed at exploring the relation between facial actions (FA), heart rate (HR) and emotional states, particularly stress and boredom, during the interaction with games. Subjects played three custom-made games with a linear and constant progression from a boring to a stressful state, without pre-defined levels, modes or stopping conditions. Such configuration gives our...
This paper presents an experiment aimed at empirically exploring the variations of facial actions (FA) during gaming sessions with induced boredom and stress. Twenty adults with different ages and gaming experiences played three games while being recorded by a video camera and monitored by a heart rate sensor. The games were carefully designed to have a linear progression from a boring to a stressful...
The process of monitoring user emotions in serious games or human-computer interaction is usually obtrusive. The work-flow is typically based on sensors that are physically attached to the user. Sometimes those sensors completely disturb the user experience, such as finger sensors that prevent the use of keyboard/mouse. This short paper presents techniques used to remotely measure different signals...
This paper presents a non-assisted method for procedural generation of 3D canyon scenes. Our approach combines techniques of computer graphics, computer vision, image processing and graph search algorithms. Our main contribution is a generation approach that uses noise-generated height maps that are carefully transformed and manipulated by data clustering (through the Mean Shift algorithm) and image...
The development of a complex game is a time consuming task that requires a significant amount of content generation, including terrains, objects, characters, etc that requires a lot of effort from the a designing team. The quality of such content impacts the project costs and budget. One of the biggest challenges concerning the content is how to improve its details and at the same time lower the creation...
In MMO games the player's experience is mainly influenced by the size and details of the virtual world. Technically the bigger the world is, the bigger is the time the player takes to explore all the places. This work presents a tool (named Charack) able to generate pseudo-infinite virtual worlds with different types of terrains. Using a combination of algorithms and content management methods, Charack...
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