First we manually segment the slice ups of human heart to get profiles and smooth them by Gaussian filters. Then the uniform sampling algorithm is used to sample points from the profiles.
在对人体心脏的解剖切片进行手工分割提取心包和各腔室的轮廓并用高斯滤波器对其进行平滑后,使用均匀取样的方法对轮廓进行取样,得到的样点作为心包和腔室的拟合点。
参考来源 - 心脏三维及四维数学建模In this paper, a new channel estimation method based on the non-conventional pilots is studied, in which channel state information is estimated indirectly using of non-uniform sampling technique, and permit a flexible distribution of pilot data.
本文研究了新的基于非常规导频的信道估计方法,利用非均匀抽样技术间接估计信道,能够灵活地分配导频数据。
参考来源 - 基于导频的OFDM信道估计算法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
This paper discusses the general model of Non-uniform sampling image, and presents the sampling principle of discrete image.
该文讨论了采样图象的一般模型,提出了离散图象的采样准则,给出了一种迭代算法。
Aiming at the tracker failure problem induced by target pose changes during IR 3-d target tracking, a multimodal method based on non-uniform sampling was presented.
针对红外三维目标跟踪过程中目标姿态变化导致跟踪器失效的问题,提出了一种基于非均匀采样的多模型方法。
An uniform sampling image can be transformed to a space variant sampling image by log-polar coordinate mapping which reduces the searching space and redundant pixels.
通过采用对数极坐标映射,可将空间均匀取样得到的图像变换成非均匀取样的图像,从而减小冗余像素,压缩了搜索空间。
应用推荐