• Title/Summary/Keyword: game analysis method

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Implementation of a Photo-Input Game Interface Using Image Search (이미지 검색을 이용한 사진입력 게임 인터페이스 구현)

  • Lee, Taeho;Han, Jaesun;Park, Heemin
    • KIISE Transactions on Computing Practices
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    • v.21 no.10
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    • pp.658-669
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    • 2015
  • The paradigm of game development changes with technological trends. If the system can analyze and determine undefined inputs, users' input choices are not restricted. Therefore, game scenarios can have multifarious flows depending upon the user's input data. In this paper, we propose a method of including an output plan in the game system that is based on the user's input but is not restricted to predefined choices. We have implemented an experimental game on the Android platform by combining network communication and APIs. The game interface works as follows: first, the user's input data is transmitted to the server using HTTP protocol; then, the server carries out an analysis on the input data; and finally, the server returns the decision result to the game device. The game can provide users a scenario that corresponds to the decision results. In this paper, we used an image file for the user's input data format. The server calculates similarities between the user's image file and reference images obtained from the Naver Image Search API and then returns determination results. We have confirmed the value of integrating the game development framework with other computing technologies demonstrating the potential of the proposed methods for application to various future game interfaces.

A Study on the Selection of a Bidding Parameter at the Bidding Function Model in an Electricity Market (전력시장 입찰함수모형에서 입찰 파라미터 선택에 관한 연구)

  • Cho Cheol-Hee;Lee Kwang-Ho
    • The Transactions of the Korean Institute of Electrical Engineers A
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    • v.53 no.11
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    • pp.630-635
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    • 2004
  • Generation companies(Genco) submit the supply functions as a bidding function to a bid market in a competitive electricity market. The profits of Gencos vary in accordance with the bid functions, so the selection of a bidding function plays a key role in increasing their profits. In order to get a profitable bidding function which is usually linear, it is required to modify adequately the intersection and the slope of a linear supply function. This paper presents an analysis of the selection of the supply function from the viewpoint of Nash equilibrium(NE). Four types of bidding function parameters are used for analizing the electricity market. The competition of selecting bidding parameters is modeled as two level games in this research. One is a subgame where a certain type of parameters is given and the players compete to select values of the underlying parameters. The other is an overall game where the players compete to select a profitable type among the four types of parameters. The NEs in both games are computed by an using analytic method and a payoff matrix method. It is verified in case studies for the NE of overall game to satisfy the equilibrium condition.

Case Study and Development of Quest-Based Learning Using QR Code (QR코드를 활용한 퀘스트 기반학습 개발 및 적용사례 연구)

  • Park, Hyung-Sung
    • Journal of Korea Game Society
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    • v.11 no.5
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    • pp.79-88
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    • 2011
  • The purpose of this study is to confirm meaning for quest-based learning designed as one of learning methods with new media, which the contents were made of QR code based on smart-phone. For this purpose, this study conducted 8 times of class during one month with 32 elementary third graders. And analysis for the result of this study was carried out MANOVA focus on four sub-factor of motivation. The results showed positive effect for quest-based learning in attention and confidence factor on motivation. Quest-based learning of gaming version as a learning method using various media can use a learning method for facilitation of learner participation, supporting of learning by doing.

Detecting Android Emulators for Mobile Games (Focusing on Detecting Nox and LD Player) (모바일 게임용 안드로이드 에뮬레이터 탐지 기법 (Nox와 LD Player 탐지 기법 중심으로))

  • Kim, Nam-su;Kim, Seong-ho;Pack, Min-su;Cho, Seong-je
    • Journal of Software Assessment and Valuation
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    • v.17 no.1
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    • pp.41-50
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    • 2021
  • Many game and financial apps have emulator detection functionality to defend against dynamic reverse engineering attacks. However, existing Android emulator detection methods have limitations in detecting the latest mobile game emulators that are similar to actual devices. Therefore, in this paper, we propose a method to effectively detect Android emulators for mobile games based on Houdini module and strings of a library. The proposed method detects the two emulators, Nox and LD Player through specific strings included in libc.so of bionic, and an analysis of the system call execution process and memory mapping associated with the Houdini module.

A Study on the Virtual Reality Sickness Measurement of HMD-based Contents Using SSQ (SSQ를 이용한 HMD기반 콘텐츠의 VR 멀미 측정 방법에 관한 연구)

  • Qiao, Rongrong;Han, Dongsoong
    • Journal of Korea Game Society
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    • v.18 no.4
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    • pp.15-32
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    • 2018
  • In this research, SSQ is used to validate and explore effective indices for VR sickness and to diagnose the severity of each symptom. Therefore, this research used first, third person game and $360^{\circ}$ actual content which are mainly used in existing VR contents, and measured various sickness symptoms using SSQ. Also, according to the result of statistical analysis, increased the power and contribute to identify virtual reality sickness measurement method. In addition, this research examined the difference of gender, age and the experience of virtual reality using statistical methodology, and improved diagnostic capability.

A Game Theory Based Interaction Strategy between Residential Users and an Electric Company

  • Wang, Jidong;Fang, Kaijie;Yang, Yuhao;Shi, Yingchen;Xu, Daoqiang;Zhao, Shuangshuang
    • Journal of Electrical Engineering and Technology
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    • v.13 no.1
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    • pp.11-19
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    • 2018
  • With the development of smart grid technology, it has become a hotspot to increase benefits of both residential users and electric power companies through demand response technology and interactive technology. In this paper, the game theory is introduced to the interaction between residential users and an electric company, making a mutually beneficial situation for the two. This paper solves the problem of electricity pricing and load shifting in the interactive behavior by building the game-theoretic process, proposing the interaction strategy and doing the optimization. In the simulation results, the residential users decrease their cost by 11% mainly through shifting the thermal loads and the electric company improves its benefits by 5.6% though electricity pricing. Simulation analysis verifies the validity of the proposed method and shows great revenue for the economy of both sides.

Honeypot game-theoretical model for defending against APT attacks with limited resources in cyber-physical systems

  • Tian, Wen;Ji, Xiao-Peng;Liu, Weiwei;Zhai, Jiangtao;Liu, Guangjie;Dai, Yuewei;Huang, Shuhua
    • ETRI Journal
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    • v.41 no.5
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    • pp.585-598
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    • 2019
  • A cyber-physical system (CPS) is a new mechanism controlled or monitored by computer algorithms that intertwine physical and software components. Advanced persistent threats (APTs) represent stealthy, powerful, and well-funded attacks against CPSs; they integrate physical processes and have recently become an active research area. Existing offensive and defensive processes for APTs in CPSs are usually modeled by incomplete information game theory. However, honeypots, which are effective security vulnerability defense mechanisms, have not been widely adopted or modeled for defense against APT attacks in CPSs. In this study, a honeypot game-theoretical model considering both low- and high-interaction modes is used to investigate the offensive and defensive interactions, so that defensive strategies against APTs can be optimized. In this model, human analysis and honeypot allocation costs are introduced as limited resources. We prove the existence of Bayesian Nash equilibrium strategies and obtain the optimal defensive strategy under limited resources. Finally, numerical simulations demonstrate that the proposed method is effective in obtaining the optimal defensive effect.

Wave propagation analysis of the ball in the handball's game

  • Yongyong Wang;Qixia Jia;Tingting Deng;Mostafa Habibi;Sanaa Al-Kikani;H. Elhosiny Ali
    • Structural Engineering and Mechanics
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    • v.85 no.6
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    • pp.729-742
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    • 2023
  • It is a recent attraction to the mechanical scientists to investigate state of wave propagation, buckling and vibration in the sport balls to observe the importance of different parameters on the performance of the players and the quality of game. Therefore, in the present study, we aim to investigate the wave propagation in handball game ball in term of mass of the ball and geometrical parameters wit incorporation of the viscoelastic effects of the ball material into account. In this regard, the ball is modeled using thick shell structure and classical elasticity models is utilized to obtain the equation of motion via Hamilton's principle. The displacement field of the ball model is obtained using first order shear deformation theory. The resultant equations are solved with the aid of generalized differential quadrature method. The results show that mass of the ball and viscoelastic coefficient have considerable influence on the state of wave propagation in the ball shell structure.

Empty Time, Empty Space, and Non(非)-Place in World of Warcraft: The Accumulated Experience and the Recovery in Reality (<월드 오브 워크레프트>(World of Warcraft)의 빈 시간, 빈 공간, 비(非) 장소: 축적된 체험과 실감의 회복)

  • Song, Kyong-Won
    • Cartoon and Animation Studies
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    • s.19
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    • pp.127-143
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    • 2010
  • The purpose of this study is to aesthetically approach a game, which was popular at home, through microscopic analysis on World of Warcraft. World of Warcraft(hereunder called WOW), which improved a game method of MMORPG that had been popular conventionally at home, from several angles, is suggesting new paradigm of MMORPG game. This study aims to propose new vision on game analysis by approaching this new method from the perspective of player. For this, it divided WOW into shift method, instruction implementation method, and communication configuration method, and analyzed this, respectively, by introducing a concept of empty time, empty space, and non-place, which was borrowed from Zygmunt Bauman's "Liquid Modernity". WOW's shifting method rather extends empty time, that is, the waiting time, contrary to the conventional MMORPG, which used a method of removing. Instead of maximally reducing boring, which becomes disturbance of a game, it is what overwhelmingly enlarges time that needs to be waited, thereby being what induces a sense of time, which a player experiences daily life, to the inside of a game. WOW's instruction implementation method offers one of hugely single map instead of zone-system necessary for map loading in the discontinued form. This minutely implements even a greatly insignificant place in playing a game, thereby stirring up a sense of travel, which explores there in reality. Finally, WOW's community configuration method makes a hunting-targeted group clear, which added a concept of hunting called the raid to the existing gild system. The raid, which is a large party of being bound to the inside of Instant Dungeon, clearly gives a performance role to each of party members, thereby allowing the identity in character to be connected directly to the identity of player. Through this, the player filled the suggested 'space' with experience, thereby being able to change it into 'place' that is significant to an individual.

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Changing the Business Model of Collection Mobile Games (수집형 모바일 게임의 비즈니스모델 변화)

  • Lee, Kuy-Bok;kim, Young-Jae
    • Journal of Korea Game Society
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    • v.21 no.2
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    • pp.67-78
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    • 2021
  • Since the release of and in 2017, business models for collection mobile games have been changing. Collection Mobile games are composed mainly of characters, and the business model is also highly related to user preference factors. The Delphi method and the AHP analysis were used on ten experts in each field of game production to identify preference factors, and five collection mobile games were selected for business model analysis. The result shows that 'moe' characters are a major preference factor, and accordingly, business models are also changing to focus on the completion of character collection and products such as character skins.