搜索结果: 46-60 共查到“知识库 数字媒体技术”相关记录1427条 . 查询时间(2.277 秒)
机构投资者、媒体报道与股价崩盘风险——来自创业板的证据
机构投资者 媒体报道 股价崩盘风险 创业板
2017/11/16
以2009年10月创业板开板以来至2015年2月底的所有创业板上市公司为研究样本，考察了机构投资者持股与创业板公司股价崩盘风险之间的关系，并检验了媒体报道在其中的传导作用。研究发现，在创业板中，机构投资者持股显著增大了公司股价未来崩盘的风险，并且机构投资者持股对公司未来股价崩盘风险的部分影响是通过媒体报道来传导的。这种传导主要是通过主动增加正面或中性报道、减少负面报道的“主动媒体管理”行为得以实现...
均匀散射环境中物理层安全密钥容量分析
物理层安全 物理层安全密钥 密钥容量 均匀散射环境
2016/9/28
物理层安全密钥容量受信道测量时差、终端移动和加性噪声等因素影响，在均匀散射环境中定量分析了上述因素对密钥容量的影响。在分析含噪窄带信道参数的时域统计特性的基础之上，推导了密钥容量时域闭式解，并且分别在均匀散射和非均匀散射环境中验证了推导结果的正确性和适用性。
3D Puppetry: A Kinect-based Interface for 3D Animation
Tangible user interface animation object tracking
2016/5/24
We present a system for producing 3D animations using physical
objects (i.e., puppets) as input. Puppeteers can load 3D
models of familiar rigid objects, including toys, into our system
and use the...
Extracting References Between Text and Charts via Crowdsourcing
visualization crowdsourcing interactive documents
2016/5/24
News articles, reports, blog posts and academic papers often
include graphical charts that serve to visually reinforce
arguments presented in the text. To help readers better understand
the relatio...
The Development of Virtual Museum in Iran. Presenting Historic Buildings of Azerbaijan Province, Iran, in 8 Historic Complexes, Combination of Different Models and Materials
simulation 3D modeling digital reality historic buildings virtual museum
2015/11/13
Digital technology has offered new approaches in gathering, presentation and transferring the information of historic complexes. The approach is expanding through the passing time and the development ...
Social and Spatial Patterns of Cultural Heritage
digital analysis field survey spatial infrastructure traditional settlements
2015/11/13
This paper is concerned with the ways in which traditional settlements are studied and analyzed in order to facilitate knowledge, interpretation and consequently presentation and preservation of cultu...
Digitization of the Collection of Moldings of the University Marc Bloch in Strasbourg: A Study Case
Digitization Collection Moldings University Marc Bloch Strasbourg
2015/11/13
Digitization of the Collection of Moldings of the University Marc Bloch in Strasbourg: A Study Case.
Low-Cost Image Based System for Non-Technical Experts in Cultural Heritage Documentation and Analysis
Cultural Heritage Digitisation Visualization Camera Software Texture Stereoscopic Three-dimensional
2015/11/12
As it is widely known documentation is an important issue within the tasks of conservation, preservation and restoration of Cultural Heritage objects. In this context high-tech measuring methods which...
Digital Geometric Documentation of the Rail Journey of the Historic Train of Pelion
Industrial Heritage documentation multimedia application
2015/11/12
The object of this research project is the documentation of the rail journey of the historic train of Pelion. From the beginning, the approach of the issue pointed out the immediate need of its digita...
Experimenting with Museum and User Friendly Video Files Distribution Platform on the Web "Volumeone"
Web based video-casting MP4 FLV Web 2.0 intermediary User-oriented
2015/11/11
The platform now called “VOLUMEZERO” (http://www.volumezero.jp) was introduced by a team led by Prof. Junko IWABUCHI of Research Institute for Digital Media and Content, Keio University, Tokyo, Japan ...
数字时代隐私和监控的双重困境： 组织传播在Web 2.0时代下的思考
Web 2.0 信息技术 数字时代
2015/9/21
Web 2.0时代的各类信息技术给隐私与监控这两个互相竞争与依存的概念带来了挑战。了解这些挑战必须首先从历史的角度理解这两个概念在东西方的不同解读。其次，随着各类信息技术的发展，现代组织对其成员的监控行为渗透到各个方面，从而导致在工作场所中这两个概念的矛盾日益加深，这一现象值得深入研究。已有相关理论文献及数据报告显示：在数字时代，组织监控的概念需要被重新审视，因为传统意义上的垂直监视呈逐渐扁平化的...
Stability of zoom and fixed lenses used with digital SLR cameras
photogrammetry calibration accuracy stability digital camera zoom lens fixed lens
2015/8/24
Consumer grade digital cameras are widely used for close range photogrammetric applications because of the convenience of digital images and the low cost of capture and reproduction. Since the introdu...
3D modeling of the Weary Herakles statue with a coded structured light system
Herakles cultural heritage structured light laser scanning digitization
2015/8/24
This paper presents the results of a study in which a close-range structured light system is used for the digitization of a cultural heritage object. A Herakles statue, named “Weary Herakles” and loca...
Developed technique for automatic cloud texturing using multi images applied to a complex site
Laser Scanning Digital Photogrammetry Data Fusion Multi images Textured Cloud Traffic Crossing
2015/8/24
The reconstruction of the textured 3D models seems to be very important in almost all the industrial and the engineering fields.These models will aid in defining the problems and consequently finding ...