Review of The Atlas of Erotic Anatomy and Arousal     

Lorena Olvera Moreno 《American journal of sexuality education》2017,12(3):337-341

The Atlas of Erotic Anatomy and Arousal is online video education that explores sexual pleasure and sexual anatomy from a sex positive perspective. Written and presented by a sex educator and therapist, Cyndi Darnell, this video is an excellent resource for adult individuals interested in learning about their bodies and having fulfilling sexual experiences with their partners. The video series provides scientifically accurate and pleasure-based information about the anatomy of the vulva, the penis, and the anus, and the physiology of orgasm and ejaculation, in an entertaining manner.  相似文献   

Leveling the playing field in ICT design: Transcending knowledge roles by balancing division and privileging of knowledges     

Rachel N. Simons  Kenneth R. Fleischmann  Loriene Roy 《The Information Society》2020,36(4):183-198

Abstract

This article develops a conceptual model of users’ and designers’ knowledge roles in the information and communication technology design process. The “ideal” center at the intersection of the axes for division of knowledge work and privileging of knowledges represents a balanced distribution of knowledge work between users and designers and an avoidance of privileging either group over the other. The article then applies this model to analyses of the design process for six video games wherein the knowledges of Indigenous peoples in North America were mobilized. It concludes by discussing implications for research and design practice, particularly for broadening the participation and self-articulation of marginalized groups.  相似文献   

数字图书馆中基于内容的视频拷贝检测关键技术研究     

徐彤阳  张国标 《现代情报》2016,36(2):135-139

随着数字图书馆中数字视频资源的增长,数字视频版权保护问题逐渐暴露出来。基于内容的视频拷贝检测技术作为一种有效的版权保护技术,近年来逐渐受到研究人员的关注。本文对基于内容的视频拷贝检测的关键技术视频指纹提取和指纹匹配的研究成果进行了分析,总结了指纹提取和指纹匹配的研究现状,指出了该领域存在的问题,最后分析了该领域的发展方向。  相似文献   

舞台视效联动控制系统软件设计与实现     

白石磊  锁意涵  徐开  吴智勇  范绪威  庄畅 《演艺科技》2020,(3):44-48

解析一款舞台视效设备联动控制系统,可实现对舞台灯光、LED屏、投影等视效设备的联动控制,根据应用特点设计软件结构,并在实现中加以优化。  相似文献   

Videobased lesson analysis: Effective science PD for teacher and student learning     

Kathleen J. Roth  Helen E. Garnier  Catherine Chen  Meike Lemmens  Kathleen Schwille  Nicole I.Z. Wickler 《科学教学研究杂志》2011,48(2):117-148

The Science Teachers Learning from Lesson Analysis (STeLLA) project is a videobased analysis‐of‐practice PD program aimed at improving teacher and student learning at the upper elementary level. The PD program developed and utilized two “lenses,” a Science Content Storyline Lens and a Student Thinking Lens, to help teachers analyze science teaching and learning and to improve teaching practices in this year‐long program. Participants included 48 teachers (n = 32 experimental, n = 16 control) and 1,490 students. The STeLLA program significantly improved teachers' science content knowledge and their ability to analyze science teaching. Notably, the STeLLA teachers further increased their classroom use of science teaching strategies associated with both lenses while their students increased their science content knowledge. Multi‐level HLM analyses linked higher average gains in student learning with teachers' science content knowledge, teachers' pedagogical content knowledge about student thinking, and teaching practices aimed at improving the coherence of the science content storyline. This paper highlights the importance of the science content storyline in the STeLLA program and discusses its potential significance in science teaching and professional development more broadly. © 2011 Wiley Periodicals, Inc., J Res Sci Teach 48: 117–148, 2011  相似文献   

一种免除二值化的视频叠加中文字符识别方法     

田洁  王伟强  孙翼 《中国科学院大学学报》2018,35(3):402-408

提出一种新的用于识别视频中字幕文字的方法。鉴于视频中文字的大小、颜色、渲染风格和分辨率的不同,以及视频中各种复杂背景的影响,识别视频中的叠加文字是一个尚未解决的问题。目前,大多数视频叠加文字识别方法都基于视频文字的二值化和传统OCR引擎的结合。然而,二值化过程容易引入噪声和文字笔划信息的丢失。另外,传统OCR技术主要专注于高分辨率的扫描打印文档,这些文档具有背景单一、噪声少和笔划信息较完整的特点。因此,传统OCR引擎用于识别叠加文字二值化后的结果可能不够鲁棒。为解决这个问题,直接从未二值化的叠加视频文字图像中提取Gabor特征用于训练二层字符识别器。实验结果表明,本文提出的方法在多字体视频叠加中文文字识别上有良好的效果。  相似文献   

繁荣背后的冷思考:论武侠影视对中国武术传播的影响     

严华  王国志 《成都体育学院学报》2011,37(12)

采用文献资料法、逻辑分析法等研究方法,深入剖析了影视媒介对中国武术传播的影响.研究认为:武侠影视作为传播中国武术的一种方式,一方面它向世界展现了中国武术的博大精深,形成新型的武侠影视产业,促进了中国武术的传播;另一方面,武侠影视在传播中国武术的过程中,给中国武术披上了神秘的外衣,使武术出现内容肤浅和文化内涵缺失等现象,以致于造成对中国武术的误读.  相似文献   

有关多媒体技术在跆拳道教学中应用的研究     

刘欣刚 《搏击·武术科学》2011,8(11):73-75

跆拳道运动的教学模式多年来一直是以教师亲身示范、讲解,学生随之学练为主。随着这项运动普及率和运动水平的不断提高,单一的教学模式在某种程度上限制了教学的效果和范围。文章旨在研究和探索一种新的方法和思路来指导跆拳道教学,以达到优化教学内容,提高教学效率的目的。文章从视频反馈教学,CAI课件辅助教学和连拍图片分解技术动作教学三个方面分析多媒体在跆拳道教学中的应用。  相似文献   

高校学术报告数据库的建设     

何继红 《图书馆学研究》2011,(2):38-42

学术报告是高校重要的学术活动,也是具有较高价值的视频学术资源,但只有数量有限的师生能够在现场听到,为了让更多的师生分享到,宜摄录学术报告,建立学术报告视频数据库,为师生提供在线学术报告视频服务。根据学术报告的特点,制定学术报告数据库的建设原则,采取适宜的建设方法与技术、发布平台,通过建立报告拍摄制度、制定流程与规范、打造摄制队伍、定期评估等科学的管理方法来不断提高资源发布的质量。  相似文献   

基于多核系统的视频特征提取程序并行化及性能优化方法     

张琦  陈玉荣  李建国  胡云  许胤龙 《中国科学院研究生院学报》2011,28(4)

基于多核系统,对4种视频特征的提取程序分别研究了并行算法和性能优化方法.实验结果表明,通过的并行化和性能优化,当使用8个核时,这4种视频特征提取程序的处理速度平均提高到原始串行程序的17倍.此外,对实验结果进行了深入的性能分析,寻找和剖析了多核系统的性能瓶颈,为进一步提高多核系统的性能提供了依据和建议.  相似文献