Digital body preservation: Technique and applications

High-fidelity anatomical models can be produced with three-dimensional (3D) scanning techniques and as such be digitally preserved, archived, and subsequently rendered through various media. Here, a novel methodology—digital body preservation—is presented for combining and matching scan geometry with radiographic imaging. The technique encompasses joining layers of 3D surface scans in an anatomical correct spatial relationship. To do so, a computed tomography (CT) volume is used as template to join and merge different surface scan geometries by means of nonrigid registration into a single environment. In addition, the use and applicability of the generated 3D models in digital learning modalities is presented. Finally, as computational expense is usually the main bottleneck in extended 3D applications, the influence of mesh simplification in combination with texture mapping on the quality of 3D models was investigated. The physical fidelity of the simplified meshes was evaluated in relation to their resolution and with respect to key anatomical features. Large- and medium-scale features were well preserved despite extensive 3D mesh simplification. Subtle fine-scale features, particular in curved areas demonstrated the major limitation to extensive mesh size reduction. Depending on the local topography, workable mesh sizes ranging from 10% to 3% of the original size could be obtained, making them usable in various learning applications and environments.     

谈视觉思维在广场体育艺术中的运用

文章运用文献资料法、事例分析法、综合论述法等研究方法,对视觉思维模式及其在广场体育艺术中的运用进行研究,为广场体育艺术这种大型表演的编排和设计找到一些突破口,开阔设计者的想象空间,调动他们思维的积极性,打破常规的思维方式,提高创编者的创造力和想象力,从而设计出具有较高艺术性和地方特色,且与众不同的大型运动会开闭幕式表演。     

内隐学习研究的现状及问题

内隐学习是一个新兴的研究领域。Reber首先提出内隐学习概念，近年来对内隐学习又有了新的界定。内隐学习有五个特性：自动性、抽象性、理解性、抗干扰性、三高特征。内隐学习的研究方法包括：人工语法、视空概念、概率学习、序列反应时任务。近年来对内隐学习的潜在机制有了很多全新研究成果。     

视觉文化与当代小说中女性形象的变迁

视觉文化不仅为我们带来了大量的影像,更为重要的是,它颠覆了人们传统以来的世界观和生活方式。从根本上讲,这种变化是从以语言为中心的意象转向以视觉为中心的形象。在当代小说中,则无疑呈现出一些新的审美风貌。     

面向敦煌壁画的移动视觉搜索模型研究

[目的/意义]保护敦煌文化遗产,为敦煌壁画提供移动视觉搜索服务,以助用户高效、便捷地获取敦煌壁画丰富知识资源。[方法/过程]构建基于BoW的图像底层特征匹配和基于主题标签的高层语义关联的移动视觉搜索模型,用SIFT提取图像局部特征,K-means生成有K个视觉单词组成的视觉词典,计算图像映射到视觉词典的TF-IDF向量,通过内积计算相似度匹配图像并排序;根据图像主题添加语义标签,提取最匹配图像的标签实现语义关联搜索;最后收集1200张敦煌壁画图片验证模型的有效性。[结果/结论]在视觉单词数为1000时BoW+SIFT的图像搜索耗时163ms,且图像大小在0.5-2.5倍范围的准确率在83.7%以上,可有效搜索主题语义关联图像。     

优秀女子网球运动员硬地单打技术特征分析

运用文献资料法、专家访谈法、录像观察法、数理统计法,对近3年17场高水平的女子硬地网球赛事进行分析,并提出相关建议:发球应突出速度、落点和旋转的综合运用,底线技术强调稳定性和进攻性并具备一项以上制胜得分技能;具有较强的全场战术意识;科学合理的体能训练是提高女子网球竞技水平的保障。未来女子网球硬地技战术的发展趋势将是底线型为主的全场型打法,体能充沛并善于灵活运用各种技战术创造并把握得分机会的优秀女子选手将越来越多。     

新疆学前双语教师教学技能现状分析与对策——以乌鲁木齐红旗幼儿园为例

教学技能直接关系到学前儿童语言的获得与双语教学的成败。文章对红旗幼儿园双语教师教学技能现状进行调查,结果显示：教师幼儿专业技能强,但语言技能水平低的现状严重制约双语教学的发展;符合真正意义的学前双语教师数量少,难以满足幼儿园教学的发展需求;教师对教学模式的认识与定位存在局限性;双语配套教材研发的滞后影响教师技能的发挥与课堂教学效果。文章针对上述存在的问题提出相应的对策。     

Behind the Facade

Teachers have used many different techniques in efforts to augment engagement given the strong engagement-learning link. Teacher-student contact is one of the most effective tools for fostering engagement; however, some teachers find it hard to initiate contact in a way that seems natural. I present one method of initiating student-teacher contact: replying individually by e-mail to students' concerns raised in one-minute papers. I argue that, although this technique may require a greater time-commitment, the effort is worthwhile; it allows teachers to gauge and address students' misunderstandings effectively, and, at the same time, it can help teachers to establish contact with students in large classes or with quieter students and even help uncertain teachers to establish contact in a natural way.     

中学英语课堂教学导入与呈现技巧探究

课堂教学是英语语言教学的主要场所，如何在有限的时间里高效地完成教学任务是人们长期探索的一个课题。文章试图对目前中学英语课堂教学导入与呈现过程中存在的问题作一些探究，提出“悄然不觉”等五种呈现技巧，以期提高教学质量。     

技术,战术,稳定性——训练学研究三大难题及其部分求解之可能性

加强运动技术形成与再现机制研究、加强运动技术创新（含技术本身的创新过程及技术训练方法创新）研究可部分求解运动技术难题;对战术知识、战术意识进行拓展性、整合性研究可部分求解运动战术难题;对“稳定发挥”与稳定性的关系、稳定性影响因素解析、“稳定发挥”的表现形式及评价标准、稳定性属运动训练学学科范畴等方面进行研究可部分求解稳定性难题。