basic adj. 1.基础的,基本的,根本的。 2.【化学】碱性的,碱式的。 3.【矿物】基性的,含少量硅酸的。 4.【军事】初步的;最下级的。 basic data 基本数据。 basic industry 基础工业。 n. 〔常 pl. 〕 1.基础,基本。 2.基础训练。 work for the basics 为衣食住等操劳。 adv. -ally 基本地 Basic = Basic English.
Volume visualization is a joint between visc and 3d gis, the prospect of which is summarized in this thesis . and two basic algorithm on visualization of 3d data are expounded : surface-fitting method and direct volume rendering ( dvr ) . in the case of study, the better fittable algorithm of volume visualization is selected in accordance with the analysis of the software 三维可视化是科学计算可视化和三维gis密切联系的纽带,本文综述该方面的发展趋势,研究了两大类三维数据场可视化算法:表面拟合方法(surface-fittingmethod)和直接体绘制(directvolumerendering,dvr)。
In this paper, we expand on the theorem and the implement process of the jpeg2000 image coding system, describe the basic algorithm and keyword technology in it, introduce this new standard's feature and application area, and on the base of the jpeg2000 compression standard we develop a software which can implement the compression of image, and analyse its function . as a conclusion, we testified that the jpeg2000 is more suitable and superior to the jpeg in image compression performance when applied in internet 本文阐述了jpeg2000图像编码系统的原理及实现过程,对其中采用的基本算法和关键技术进行了描述,介绍了这一新标准的特点及应用场合,并根据jpeg2000标准开发出一个进行jpeg2000图像压缩的应用软件,最后对其性能进行了分析,从而验证在internet中采用jpeg2000图像压缩标准的优越性和可行性。
This paper discuss the procedure and steps of analyzing massive digital evidence using data mining techniques, and introduce some methods of data mining, such as relative rule mining, pattern of frequent sequence mining and outlier detection . but these methods cannot be used to analyze digital evidence directly . so, relative improvements of basic algorithms and methods of pattern analysis are put forward in this paper, and experiment is performed to prove the feasibility 论文分析阐述了利用数据挖掘方法对海量的电子证据进行分析取证的应用思路,详细介绍了关联规则挖掘方法、频繁序列模式挖掘方法、孤立点探测方法的具体应用,并针对基本挖掘算法在计算机取证分析实际应用中可能存在的不足,提出了相应的算法改进方法,并通过实验分析,证明了改进算法在计算机取证应用中的有效性。
This thesis is focused on moving object detection algorithms in complex environment, and it mainly includes 4 sections : 1 . the basic algorithms of moving objects detection, such as adjacent frames difference algorithm, optical flow algorithm and background subtraction algorithm, is analyzed, and the implement result of these algorithms with some common video sequence is given . some improved algorithm, which can improve the deficiency of basic algorithms, is also researched 本文将研究复杂背景下的序列图像中运动目标检测的算法,主要做了如下工作:1.从原理上研究了差图像法、光流法、去背景法等常见的目标检测算法,通过具体序列图像实现了这些算法,针对其中的不足提出了改进方案。
This thesis is focused on moving object detection algorithms in complex environment, and it mainly includes 4 sections : 1 . the basic algorithms of moving objects detection, such as adjacent frames difference algorithm, optical flow algorithm and background subtraction algorithm, is analyzed, and the implement result of these algorithms with some common video sequence is given . some improved algorithm, which can improve the deficiency of basic algorithms, is also researched 本文将研究复杂背景下的序列图像中运动目标检测的算法,主要做了如下工作:1.从原理上研究了差图像法、光流法、去背景法等常见的目标检测算法,通过具体序列图像实现了这些算法,针对其中的不足提出了改进方案。
Firstly, the major applications about texture synthesis are introduced in this paper . then based on the studies about some typical 2d texture synthetic algorithms, some comparisons and summarizations about the ideas and transacting range and defects of these texture synthetic algorithms are drawn . an accelerated method for wei and levoy's basic algorithm ( for short, wl algorithm ) is presented 本文首先对纹理合成技术的主要应用做了介绍,然后对当前一些较为典型的二维纹理合成方法进行了研究,并对它们的算法思想、能够处理的纹理范围和存在的问题等进行了对比和总结;给了一种对wei和levoy基本算法(简称wl算法)进行加速的方法。
For the feet that general dct algorithms do no match the precision clauses of ieee 1180-1990, the thesis presents a precision-improved dct algorithm implementation, which measures up to the relative ieee criterions appended as appendix a of h . 263 recommendation, at the same time, promises not slowing down the operation enormously and increasing the complexity minutely . then thesis also presents a basic algorithm for other motion estimation algorithms, which provides a platform on which the others can be operated to speed up the algorithm further 针对一般dct算法不满足于ieee1180-1990精度要求的情况,提出了新的并行高精度dct变换算法,在不显著增加运算量和算法复杂度的前提下,可以大大提高dct变换算法的精度,使其符合h.263建议书的附加条款;为其它运动估计算法提出了?个基础性的改进算法,使其它的运动估计改进算法能够在此算法基础上进行操作,从而大大减少了运动估计所需的运算量,进一步提高了运动估计过程的执行速度。
Chapter three is about the experimental research of the real time optimal position system ( see chapter two ), emphasis on the high performances of 196mx pts interrupt response and safe design of ipm module . the analysis of perfect experimental waveforms and basic algorithm are also provided . chapter four focus on the properties and application of ekf estimator 论文第三章对点对点快速定位系统进行了实验研究,重点介绍了196mxpts中断系统对高速处理实时逻辑信号和消除编码盘光电头边缘振荡效应所起的作用、ipm模块的安全性分析设计等,同时给出了完整的实验波形分析以及基本算法。
4 . based on the j2ee platform, we integrate the above component technique and integration frame to design a flexible integration system of hydrological time-series basic algorithm components about the water field . at last, we validate the validity and correctness of the flexible integration mechanism and frame (4)基于j2ee平台,综合上述组件技术及集成框架,设计出了一个面向水利领域的水文时间序列算法基本组件柔性集成系统,对柔性集成机制和框架的有效性与正确性进行了验证。