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Garrett Eastman

A Draw-and-Guess Game to Segment Images - 0 views

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    abstract: "This paper discusses a scenario in which human computation is used to segment timestamped fashion images for mining trends based on visual features of garments (e.g., color and texture) and attributes of portrayed subjects (e.g., gender and age). State-of-the-art algorithms for body part detection and feature extraction can produce low quality results when parts of the body are occluded and when dealing with complex human poses. In such cases, these algorithms could benefit from the assistance of human agents. In order to jointly leverage the potential of crowds and image analysis algorithms, a game with a purpose (GWAP) is proposed, whereby players can help segment images for which specialized algorithms have failed, so as to improve the extraction of color and texture features of garments and their association with the features of the subject wearing them."
Garrett Eastman

The Brigade Renderer: A Path Tracer for Real-Time Games - 0 views

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    Abstract: "We present the Brigade renderer: an efficient system that uses the path tracing algorithm to produce images for real-time games. We describe the architecture of the Brigade renderer, and provide implementation details. We describe two games that have been created using Brigade."
Garrett Eastman

Distributed Medical Image Analysis and Diagnosis through Crowd-Sourced Games: A Malaria... - 0 views

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    Abstract: "In this work we investigate whether the innate visual recognition and learning capabilities of untrained humans can be used in conducting reliable microscopic analysis of biomedical samples toward diagnosis. For this purpose, we designed entertaining digital games that are interfaced with artificial learning and processing back-ends to demonstrate that in the case of binary medical diagnostics decisions (e.g., infected vs. uninfected), with the use of crowd-sourced games it is possible to approach the accuracy of medical experts in making such diagnoses. Specifically, using non-expert gamers we report diagnosis of malaria infected red blood cells with an accuracy that is within 1.25% of the diagnostics decisions made by a trained medical professional."
Garrett Eastman

Game On, Science - How Video Game Technology May Help Biologists Tackle Visualization C... - 0 views

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    Abstract: "The video games industry develops ever more advanced technologies to improve rendering, image quality, ergonomics and user experience of their creations providing very simple to use tools to design new games. In the molecular sciences, only a small number of experts with specialized know-how are able to design interactive visualization applications, typically static computer programs that cannot easily be modified. Are there lessons to be learned from video games? Could their technology help us explore new molecular graphics ideas and render graphics developments accessible to non-specialists? This approach points to an extension of open computer programs, not only providing access to the source code, but also delivering an easily modifiable and extensible scientific research tool. In this work, we will explore these questions using the Unity3D game engine to develop and prototype a biological network and molecular visualization application for subsequent use in research or education. We have compared several routines to represent spheres and links between them, using either built-in Unity3D features or our own implementation. These developments resulted in a stand-alone viewer capable of displaying molecular structures, surfaces, animated electrostatic field lines and biological networks with powerful, artistic and illustrative rendering methods. We consider this work as a proof of principle demonstrating that the functionalities of classical viewers and more advanced novel features could be implemented in substantially less time and with less development effort. Our prototype is easily modifiable and extensible and may serve others as starting point and platform for their developments. A webserver example, standalone versions for MacOS X, Linux and Windows, source code, screen shots, videos and documentation are available at the address: http://unitymol.sourceforge.net/."
Garrett Eastman

Harnessing manpower for creating semantics - 0 views

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    "Abstract The e ective information processing (e.g. search, organi- zation) of the heterogeneous information spaces requires metadata layer above the resources. However, the acqui- sition of resource metadata and domain models are chal- lenging tasks. Here, the crowdsourcing has emerged as an alternative to expert-based and automated semantics acquisition approaches. One of its branches are the games with a purpose (GWAPs) which encapsulate the seman- tics acquisition tasks into the game processes. We analyze existing GWAPs and propose their classi cation. Fur- thermore we devised our own GWAP-based approaches. For acquisition of lightweight term relationship network, we devised a search query formulation game, usable also for speci c domain models. For acquisition of (personal) image tags, we devised a card game, where players mem- orize positions of concealed cards and identify identical pairs. For validation of music metadata, we devised a multi-choice question-based game, where players identify tag sets that are characteristic to music tracks they hear. We also looked at the GWAPs from their design per- spectives. We present a design oriented classi cation sys- tem for GWAPs, adress several design issues recurring in GWAPs and present new design patterns to solve them"
Garrett Eastman

GamePipe: A Virtualized Cloud Platform Design and Performance Evaluation - 0 views

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    Abstract: "Cloud gaming provides game-on-demand (GoD) services over the Internet cloud. The goal is to achieve faster response time and higher QoS. The video game is rendered remotely on the game cloud and decoded on thin client devices such as tablet computer or smartphone. We design a game cloud with a virtualized cluster of CPU/GPU servers at USC GamePipe Laboratory. We enable interactive gaming by taking full advantage of the cloud and local resources for high quality of experience (QoE) gaming. We report preliminary performance results on the game latency and frame rate. We find 109 ~ 131 ms latency in using the game cloud, which is 14% ~ 38% lower than 200 ms latency experienced on a thin local computer. Moreover, the frame rate from the cloud is 25% ~ 35% higher than that of using a client computer alone. Base on these findings, we anticipate game cloud to have a performance gain or QoS improvement of 14% ~ 38% over video gaming on a thin client device such as a smartphone or a tablet computer."
Garrett Eastman

Teacher Attitudes About Digital Games in the Classroom - 0 views

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    Summary results of survey of 500 K-8 teachers using digital games in classrooms
Garrett Eastman

A Literature Review of Gaming in Education - 0 views

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    "Abstract The use of simulations and digital games in learning and assessment is expected to increase over the next several years. Although there is much theoretical support for the benefits of digital games in learning and education, there is mixed empirical support. This research report provides an overview of the theoretical and empirical evidence behind five key claims about the use of digital games in education. The claims are that digital games (1) are built on sound learning principles, (2) provide more engagement for the learner, (3) provide personalized learning opportunities, (4) teach 21st century skills, and (5) provide an environment for authentic and relevant assessment. The evidence for each claim is presented and directions for future research are discussed."
Garrett Eastman

Divergent social attitudes in different video game cultures - 0 views

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    Consideration of two types of gamer communities and proposals for design
Garrett Eastman

Model Driven Game Development - Case Study A MTC for maze game prototyping - 0 views

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    "In this paper we present an ap- proach for serious game development, based on the model-driven game development techniques. Our approach aims at reducing the complexity of game design and implementation by separating the conceptual envi- ronment of the game and its concrete implementation.We rst de ne the abstract models that characterize the structure and behavior of the game. Then, with the software architecture model and the platform-speci c model, we transform the abstract models into concrete implementations. The resulting prototypes are generated completely (100%)."
Garrett Eastman

Video games offer clues for cancer research - 0 views

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    "Wake Forest - Science researchers, inspired by the graphics used to create video games, have used the technology to create advanced imaging systems to examine cancerous cells. The research may pave the way for new "designer drugs" to combat certain forms of cancer."
Garrett Eastman

From Brain Waves to Game Design: A Study on Analyzing and Manipulating Player Interest ... - 0 views

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    From the abstract: "Our goal is to create a better understanding on how to design encounters that affect interest levels in linear FPS games. Specifically, how exactly a player's interest levels can be raised intentionally. To accomplish this, we developed a method for measuring and comparing player interest levels based on electroencephalogram (EEG) data measured using a "Neurosky Mindset" unit, which is a commercially available EEG device. We measured player EEG data for the first 4 levels of the FPS game "Call of Duty: Modern Warfare 2" and calculated player interest levels for the entire length of gameplay. By referring to recorded gameplay videos, we were able to associate each increase in interest levels for each player to a specific point in game. From this data, we found and isolated points in each level where most players showed a rise in interest levels, and discovered that certain patterns existed between these situations. These findings led to another study where we further analyzed these situations and found out what factors caused most players to show a rise in interest levels. We were able to divide these factors into 6 different categories called Triggers: "Anticipation", "Concentration", "Surprise", "Frustration", "Overwhelm" and "Fear". As these triggers represent mutually exclusive elements that affect a player's interest levels, we found that in most situations where many test subjects showed a rise in interest levels, more than one trigger is present, a phenomenon we call Stacking. While our study is still ongoing, we believe that by using these triggers as guidelines, game designers will be able to intentionally plan and control the player's interest level for FPS games with a certain level of guarantee"
Garrett Eastman

TED talk by Jane McGonical: Gaming can make a better world - 0 views

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    Jane McGonical of Princeton's Institute for the Future makes the case for video game playing and real world applications of the technology. An example she uses is the knowledge base created by World of Warcraft users, the size of which rivals Wikipedia. She contradicts popular images of gamers as solitary and isolated, showing instead community-building and the self-valuation and validation gamers experience from collaborating with others of like interest. She goes on to describe real-world applications of video games, current and potential
Garrett Eastman

Fashion Diary: Designers look to the virtual world - 0 views

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    CCP Games partners with the fashion industry to design virtual fashion environments and avatars and recently hired a fashion consultant to design outfits for one its games
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