搜索结果: 1-15 共查到“知识库 自动机理论”相关记录107条 . 查询时间(4.14 秒)
Video Puppetry: A Performative Interface for Cutout Animation
real-time animation tangible user interface vision
2016/5/24
We present a video-based interface that allows users of all skill
levels to quickly create cutout-style animations by performing the
character motions. The puppeteer first creates a cast of physical...
Eden: A Professional Multitouch Tool for Constructing Virtual Organic Environments
eden multitouch object manipulation camera control gestures, set construction
2016/5/24
Set construction is the process of selecting and positioning
virtual geometric objects to create a virtual environment
used in a computer-animated film. Set construction artists
often have a clear ...
Designing and Fabricating Mechanical Automata from Mocap Sequences
mechanical assembly humanoid motion computational design fabrication constraints automaton Links: DL PDF WEB VIDEO DATA
2016/5/24
Mechanical figures that mimic human motions continue to entertain
us and capture our imagination. Creating such automata requires
expertise in motion planning, knowledge of mechanism design,
and fa...
Cinemagraphs are a popular new type of visual media that lie in-between photos and video; some parts of the
frame are animated and loop seamlessly, while other parts of the frame remain completely st...
How-things-work visualizations use a variety of visual techniques
to depict the operation of complex mechanical
assemblies. We present an automated approach for generating
such visualizations. Star...
Delta: A Tool For Representing and Comparing Workflows
Workflow comparison Tutorials Search interfaces Delta
2016/5/24
Tutorials and sample workflows for complicated, featurerich
software packages are widely available online. As a
result users must differentiate between workflows to choose
the most suitable one for...
Creating Works-Like Prototypes of Mechanical Objects
fabrication 3D printing sketch-based modeling
2016/5/24
Designers often create physical works-like prototypes early in the
product development cycle to explore possible mechanical architectures
for a design. Yet, creating functional prototypes requires t...
History Assisted View Authoring for 3D Models
3D model editing history viewpoint authoring
2016/5/24
3D modelers often wish to showcase their models for
sharing or review purposes. This may consist of generating
static viewpoints of the model or authoring animated flythroughs.
Manually creating su...
纵向打滑状态下的轮式移动机器人编队控制
轮式移动机器人 纵向打滑 模糊控制 编队控制
2017/1/17
针对轮式移动机器人车轮纵向打滑时的编队控制问题,提出一种基于滑移率补偿和模糊逻辑的多机器人编队控制器设计方法.首先,利用速度传感器获取机器人的实际速度信息,并进行滤波减少传感器噪声.结合速度输入指令信号得到滑移率估计值,用以描述机器人纵向打滑的程度.然后根据领航跟随法,设计补偿纵向打滑的编队控制策略,并采用模糊逻辑设计控制器参数.最后在Microsoft Robotics Developer St...
为解决晃动基座下杆臂效应对捷联惯导系统对准的不利影响问题,以捷联惯导系统解算速度与杆臂速度之间的差值作为量测量,扩充杆臂长度误差为系统状态量,分别推导建立导航系和机体系下的量测方程,构成两种对准模型。分析两种对准模型的特点,指出导航系下对准模型仅适用于能够获得一定精度杆臂长度的情形。在此基础上,提出滤波参数反馈修正的滤波方法,以提高对准模型的适应性和对准精度。仿真实验验证了两种对准模型的正确性和滤...
基于多重核的稀疏表示分类
稀疏表示分类(SRC) 核方法 多重核 核权重 模式识别
2017/1/12
稀疏表示分类(SRC)及核方法在模式识别的很多问题中都得到了成功的运用.为了提高其分类精度,提出多重核稀疏表示及其分类(MKSRC)方法.提出一种快速求解稀疏系数的优化迭代方法并给出了其收敛到全局最优解的证明.对于多重核的权重给出了两种自动更新方式并进行了分析与比较.在不同的人脸图像库上的分类实验显示了所提出的多重核稀疏表示分类的优越性.
基于动态矩阵控制的主动队列管理算法
网络拥塞控制 主动队列管理算法 动态矩阵控制
2017/1/14
针对Internet系统,通过对流体流模型的分析,提出了一个新的预测模型.该模型形式简单,参数的计算相对容易,并且能根据当前的网络情况有效的预测拥塞窗口的变化.结合动态矩阵控制 (Dynamic Matrix Control,DMC) 理论,提出了一种新的主动队列管理算法——DMCAQM 算法,给出了DMCAQM 的详细设计过程,稳定性分析和参数选取原则.大量不同网络环境的仿真实验表明DMCAQM...
提出了一种用于视觉分类任务的低计算复杂度且有效的图像表示方法。把协作表示和判别信息结合在统一框架内,是基于协作表示分类方法的一种扩展形式。测试样本的协作表示系数是稀疏的,这种基于冗余和过完备的表示对于遮挡和伪装而言是鲁棒的;此外,通过最小化类内散布矩阵和最大化类间散布矩阵的判别信息的挖掘,对于视觉分类问题也是很有帮助。在一些基准数据库上的实验表明,提出的方法相对于现有的方法而言能够获得更有竞争力的...
基于DFP的二阶Volterra模型及其对Rössler混沌序列的预测
二阶Volterra模型 Davidon-Fletcher-Powell算法 DFPSOVF Rö ssler混沌序列预测
2017/1/12
为克服最小二乘法或归一化最小二乘法在二阶Volterra建模时参数选择不当引起的问题,在最小二乘法基础上,应用一种基于后验误差假设的可变收敛因子技术,构建了一种基于Davidon-Fletcher-Powell算法的二阶Volterra模型(DFPSOVF).给出参数估计中自相关逆矩阵估计的递归更新公式,并对其正定性、有界性和τ(n)的作用进行了研究.将DFPSOVF模型应用于Rössl...