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2022年3月4日,中国作家出版集团与芒果TV深化合作座谈会在京举行。中国作家协会党组成员、副主席、书记处书记吴义勤主持会议并致辞,芒果TV影视中心副总经理兼芒果影视文化有限公司副总经理戴晓岚、芒果TV影视中心内容总监钟杰与中国作家出版集团各报刊社网就战略合作项目进展情况进行交流。
Rice University engineers have demonstrated the first system that allows wireless data transmissions over UHF channels during active TV broadcasts. If the technology were incorporated into n...
Terrestrial communication signals, such as television, cel-lular and wireless LAN signals, have been pursued as ranging sources for deeper penetration into urban and in door areas.
The magic of life unfolds, but for adolescents Mimi, Izzie and Quinn, watching a monarch butterfly emerge from its cocoon and spread its wings is more than a fascinating moment--cameras are rolling!Wi...
Learning about brain scans and other biomedical imaging tools is now free to anyone anywhere who has access to a computer and the internet.
A University of Queensland student has tackled South East Queensland’s fierce and unpredictable summer storms to improve thunderstorm forecasting.
传统的基于频域和小波域的去模糊算法所得的复原图像总是存在比较明显的边缘振铃及模糊效应,而较为有效的空域迭代优化去模糊算法速度通常比较慢。为了解决上述问题,提出了基于二步迭代阈值收缩(TwIST)与总变分(TV)约束相结合的图像去模糊算法(TwIST-TV)。首先在去模糊目标函数中加入对图像的TV 正则化约束,其次在对图像小波系数的每次二步迭代之前,加入对图像的TV 优化去噪约束,最后迭代获取去模糊...
According to the characteristics of short-life-cycle products analyzed, we adopted Bass-model method to forecast the demand for products and proposed a research framework based on simulation. Meanwhil...
提出一种基于全变分(TV)模型与结构相似度(SSIM)的图像质量评价方法。对待评价图像进行主动定量加噪,得到降质图像,利用自适应的TV去噪模型得到消噪图像,采用SSIM方法对待评价图像与消噪图像进行全参考评价,得到待评价图像的无参考评价指标。采用标准测试图像和LIVE库的降质图像进行实验,结果表明,该方法可在无参考图像的条件下对图像质量进行评估,评价结果与主观评价结果具有较高的一致性。
The main hurdle in the realization of dynamic spectrum access (DSA) systems from physical layer perspective is the reliable sensing of low power licensed users. One such scenario shows up in the unlic...
基于P2P的IPTV(P2P-TV)是当前发展最为迅速的因特网应用之一,实时识别P2P-TV视频流是管理网络P2P-TV流量和理解网络行为的关键一步。通过分析以PPLive为代表的P2P-TV体系结构、通信过程、报文结构以及系统特征,该文提出了一种实时的基于爬虫的识别视频流CIVF算法和一种实时的基于协议特征的识别视频流PIVF算法,CIVF算法通过爬虫程序获取P2P-TV节点信息来识别P2P-T...
Astronauts are not the only ones earning wings on the International Space Station. Butterflies emerged aboard the station recently, to the delight of science students across the country. That experime...
Increasingly, TV stations are introducing online services as they seem to hold economic potential and open new markets. Nevertheless, networks have apparently until now been neglecting a careful evalu...
This study explores how early adopters of DVRs are using them as functional replacements for VCRs and as tools for enhanced viewing of live television. Two national samples totaling 198 users complete...
This paper presents findings of a study comparing the advertising on the web sites supported by offline media and on the dot.com media that only have online presence. The study analyzes the advertisin...

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