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- 저자 : Gray, Christopher S. (검색결과 154 건)
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Lights, Virtual Camera, Action!
Gray Hodgkinson 중앙대학교 영상콘텐츠융합연구소 2017 TechArt :Journal of Arts and Imaging Science Vol.4 No.4
The recent commercialisation and affordability of virtual reality technology has enabled widespread exploration of some rather advanced methods of developing new visual experiences. In December of 2016 Kert Gartner (Techrunch 2016) tweeted his success with a virtual camera assembled together using an HTC Vive VR Headset, an iPhone, and three Vive hand controllers. This performs the same essential function as the virtual cameras developed by large studios, where the camera operator or director films the artificial world and its animations through a hand-held screen, referred as a virtual camera. Gartner’s prototype represents a democratisation of this technology that enables smaller studios and individuals to adopt a similar approach – to film their animations in real time, using the same actions and behaviours of a real film camera. When this creative approach to technology is then combined with the new recent cinematic tools in game building engines, the possibilities for animation production is game-changing. Post-production demands such as rendering and compositing will move into the creation space, merging animation, lighting, editing and rendering all into one real-time creative experience.
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Textbook Graffiti as a Critical, Multimodal Classroom Activity for Korean Elementary EFL Students
Gray, Stewart,Lee, Roxy 영상영어교육학회 2019 영상영어교육 (STEM journal) Vol.20 No.2
This article explores the potential of a multimodal classroom activity in which students graffiti their textbooks for encouraging elementary-age Korean EFL students to express themselves, to engage critically with and transform their English class materials. The authors conducted an action research project in three sixth-grade EFL classes and four third-grade EFL classes in a Korean elementary school. Participating students were instructed to choose a page in their English textbooks and graffiti it however they wished. The students were then surveyed, and their textbook graffiti was analyzed. Results demonstrate that Korean elementary students can use English in combination with other expressive modes to create graffiti that engages with and transforms their textbook contents. This engagement/transformation took four forms: basic, parodic, personal and social. Common focal themes in students’ graffiti included study stress, appearance, romance, authority, conflict, and others. Also, many students found the graffiti activity enjoyable and approved of its use in English class. Thus, this paper supports use of graffiti by teachers to determine what issues are relevant to their own students, to relieve students’ stress, to encourage students to express themselves meaningfully using English, and to provide students an opportunity to contribute their own meanings to the classroom discourse.
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Effects of Panax ginseng, zearalenol, and estradiol on sperm function
Gray, Sandra L.,Lackey, Brett R.,Boone, William R. The Korean Society of Ginseng 2016 Journal of Ginseng Research Vol.40 No.3
Background: Estrogen signaling pathways are modulated by exogenous factors. Panax ginseng exerts multiple activities in biological systems and is classified as an adaptogen. Zearalenol is a potent mycoestrogen that may be present in herbs and crops arising from contamination or endophytic association. The goal of this study was to investigate the impact of P. ginseng, zearalenol and estradiol in tests on spermatozoal function. Methods: The affinity of these compounds for estrogen receptor (ER)-alpha and beta ($ER{\alpha}$ and $ER{\beta}$)-was assessed in receptor binding assays. Functional tests on boar spermatozoa motility, movement and kinematic parameters were conducted using a computer-assisted sperm analyzer. Tests for capacitation, acrosome reaction (AR), and chromatin decondensation in spermatozoa were performed using microscopic analysis. Results: Zearalenol-but not estradiol ($E_2$)- or ginseng-treated spermatozoa-decreased the percentage of overall, progressive, and rapid motile cells. Zearalenol also decreased spontaneous AR and increased chromatin decondensation. Ginseng decreased chromatin decondensation in response to calcium ionophore and decreased AR in response to progesterone ($P_4$) and ionophore. Conclusion: Zearalenol has adverse effects on sperm motility and function by targeting multiple signaling cascades, including $P_4$, $E_2$, and calcium pathways. Ginseng protects against chromatin damage and thus may be beneficial to reproductive fitness.
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Economic Integration and Nationhood : An Extension
Gray, H. Peter 세종대학교 국제경제연구소 1993 Journal of Economic Integration Vol.8 No.1
As national economies become more closely linked through the gradual evolution of informal interpenetration of markets (as well as through formal agreements), the ability of a nation to preserve its national identity or nationhood is reduced. This tendency applies to such vital areas of national identity as the target values for unemployment rates, sectoral net tax burdens, the level of social services provided and environmental concerns.
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Free Trade, Economic Integration and Nationhood
Gray, H. Peter 세종대학교 국제경제연구소 1990 Journal of Economic Integration Vol.5 No.1
The ability to achieve "national economic targets", including such considerations as the amount of redistribution of product by means of the central government actions, the establishment of national time preference in terms of resource exploitation and other collective decisions, is defined as "nationhood". The effect of increasing degrees of international economic involvement are considered in terms of their costs of "nationhood" renounced : these costs need to be set against the gains from more efficient resource allocation in determining the desired degree of international economic involvement or integration.
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Lock up your stories – here comes Virtual Reality
Gray Hodgkinson 중앙대학교 영상콘텐츠융합연구소 2016 TechArt :Journal of Arts and Imaging Science Vol.3 No.4
Virtual Reality(VR) is here to stay. Virtual Reality offers a unique personal experience that alters one’s perception of the environment around them. While VR headsets have many mechanic limitations, the immersion is strong enough that the elusive goal of presence is reached. Fundamentally, it works well enough and will improve over time. What does this mean for animation? We have seen several professional attempts to create VR animated stories with varying degrees of success. It is clearly evident that the rules of cinematography, staging and editing are all changed. Cinematography is replaced with environmental design, camera placement becomes viewer controlled and any editing must be very gentle on the participant. Moreover, if animation is seen as a linear narrative, a controlled communication from story-teller to listener, what is gained by giving the listener more freedom? In the same way that early 3D computer animation placed pressure on the aesthetics of traditional animation, VR will exert a pressure on the design and structure of animation.
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