搜索结果: 1-15 共查到“计算机科学技术 Map”相关记录27条 . 查询时间(0.098 秒)
Algorithm is designed to map universe, solve mysteries(图)
Algorithm map universe solve mysteries
2019/10/23
To solve some of physics' greatest mysteries, researchers at Cornell University have developed an algorithm designed to visualize models of the universe.The algorithm was developed by applying scienti...
Tech Would Use Drones and Insect Biobots to Map Disaster Areas
Use Drones Insect Biobots Map Disaster Areas
2016/11/29
We present an approach for exploration and mapping of unknown environments using a swarm of cyborg insects, known as biobots, for emergency response scenarios under minimal sensing and localization co...
We present a generic tool, Kartograph, that lifts the fog of war in online real-time strategy games by snooping on the memory used by the game. Kartograph is passive and cannot be detected remotely. M...
THE DEVELOPMENT OF ALGORITHMS FOR ON-DEMAND MAP EDITING FOR INTERNET AND MOBILE USERS WITH GML AND SVG
Spatial Information Sciences GIS Research Internet Interoperability
2015/7/6
The widespread availability of the World Wide Web has led to a rapid increase in the amount of data accessing, sharing and
disseminating that gives the opportunities for delivering maps over the Inte...
Design and Implementation of Surrounding Transaction Plotting and Management System Based on Google Map API
Architecture Borderlands Database Decision Support GIS Internet/Web Mapping Real-time
2014/4/21
With China’s rapid economic development and comprehensive national strength growing, Border work has become a long-term and important task in China’s diplomatic work. How to implement rapid plotting, ...
Enhanced Self-Organizing Map Neural Network for DNA Sequence Classification
Bioinformatics Artificial Neural Networks Self-Organizing Map Classification Sequence Alignment
2013/1/28
The artificial neural networks (ANNs), among different soft computing methodologies are widely used to meet the challenges thrown by the main objectives of data mining classification techniques, due t...
在无源毫米波成像中,由于系统天线孔径大小的受限而使得成像的分辨率低。为了提高图像的分辨率,该文提出了一种投影小波域最大后验(MAP)估计毫米波图像超分辨算法(PWMAP)。该算法利用基于小波域广义高斯分布的MAP估计来恢复通带内的频谱;然后利用投影的非线性运算实现频谱外推。该算法不仅比以往的算法能提供更准确的先验建模,而且能在每步迭代时自适应地更新正则参数。实验结果验证了该算法的有效性。
一类加随机扰动的Tent-Map数字混沌序列研究
Tent-Map 混沌 数字混沌序列
2012/11/6
提出了一类加随机扰动的Tent-Map,克服了周期性和不稳定性的缺点.用软件仿真,研究了所加随机扰动的幅度对数字混沌序列特性的影响.结果表明,随机扰动的幅度只有达到合适的值,才能得到性能优良的扩频码.
Supporting Topic Map Creation Using Data Mining Techniques
Supporting Topic Map Creation Data Mining Techniques
2009/12/7
There is an increasing interest in automating creation of semantic structures, especially topic maps, by taking advantage of existing, structured information resources. This article gives a preview of...
基于动态Light Map的增强现实光照算法
增强现实 光照 动态更新
2009/11/17
为实现增强现实系统中光照的实时准确性,提出一种基于动态Light Map的快速光照算法。该方法通过采集视频图像中校准物体的像素亮度,计算出摄像机的信号放大量和信号偏置,并利用动态更新的Light Map所记录的环境光照信息实现虚、实场景之间的一致光照,且能够适应光照变化的场景。实验结果表明该算法的显示速度能够达到实时交互的帧率。
HMIPv6中MAP提前选取的宏移动管理机制
移动锚点 边缘接入路由器 双路径
2009/9/30
为了提升移动IP域间切换的性能,提出了基于MAP的提前选择的宏移动管理方式。在这种方式下,移动主机在移动到旧的MAP边缘路由器(EAR)上时,根据收到的路由公告消息提前进行MAP的选择;对端节点可以通过两个MAP进行转发数据,同时利用在新选择MAP处缓存到达的分组,可以有效减少域间切换带来的延迟同时也降低了分组的丢失。
基于MAP框架的时空联合自适应视频序列超分辨率重建
边缘保持 图像先验模型 时空联合自适应
2009/9/8
超分辨率重建在视频监控、高清晰度电视、遥感图像、医学图像处理等领域具有广阔的应用前景. 最大后验估计(maximum a posteriori, MAP)法是普遍采用的一种超分辨率重建方法. 针对传统MAP法存在的局限性, 本文提出了一种基于MAP框架的时空联合自适应视频序列超分辨率重建算法. 时空联合自适应机制的引入使得算法在保持边缘的同时可减小错误运动估计矢量对重建图像质量的影响. 实验结果表...
基于MAP的全局运动估计算法
全局运动估计 最大后验概率 Gibbs能量
2009/8/12
常见的全局运动算法存在的问题是仅仅考虑像素的残差,而忽略了相邻像素和分割信息等因素对算法的影响。为了解决上述问题,该文提出一个基于最大后验概率(MAP)的全局运动估计算法。通过MAP算法定义系统能量,引入先验能量来描述像素的相邻关系和分割信息,将系统能量作为目标函数通过LM算法估计全局运动参数。实验结果证明了该算法的有效性。