查询词典 roi

There is positive correlation between bone mineral density and ratio of trabecular partition to ROI area, and negative correlation between bone marrow partition to ROI area or Euler number.

跟骨高分辨CT图像能客观反映糖尿病非胰岛素治疗患者跟骨微观形态学方面的改变。

The SNR of brain white matter and the background standard deviation were measured within ROI,which cov ered a large homogeneous area of white matter.The mean pixel values were recorde d within the ROI which was positioned of the head of the femur.

设定兴趣区，并测定脑白质均匀区域的信噪比及背景的标准差，以及以盆腔股骨头为ROI，记录ROI的平均值，交替测量肌肉区域的平均值及背景的标准差。

This is called ROI or Return on Investment, the greater the ROI the better off you will be.

这叫做感兴趣或投资回报，越是富裕，你会感兴趣的。

Thedecoder the proposal algorithms required is compatible with JPEG2000 standard.TheDIRC rearranges truncation point for every codeblock in each layer. It assigns higherbitrate to ROI and lower bitrate to non-ROI and combines them to codestream. TheDWARC can achiev the accurate bitrate control in each layer.

本文第三章探讨了感兴趣区域编码问题，提出了二种动态、码块优先的ROI编码算法DIRC、DWARC，二者均支持多个感兴趣区域有各自独立的优先级并且优先级可以在编码过程中动态改变，其生成码流与标准完全兼容。

The equal distance 3-improved-coverage number of beacon sending position is presented according the acreage of ROI.Then a simple method is put forward to calculate the coordinates of the sending positions in rectangular ROI.Aiming at the shortage of the existent sequence algorithm,when beacon moves according to the path and emits RF signals at every position,the ant colony algorithm is applied to the position sequence so as to get the beacon sending position.Further,in this algorithm the sensors could work out their position with trilateration.

根据ROI面积给出了等距三重优化覆盖此ROI所需要的信标发射位置数量计算方法；随后对矩形ROI提出了一种简单的信标发射位置确定方法；针对现有的遍历发射位置点的路径遍历算法的不足，提出了一种新的应用蚁群算法的信标发射位置点的遍历算法，并利用该算法对基于三边测量方法进行传感器节点定位。

Firstly, the image isencoded as normal. Then it reallocates the bits allocated for ROI and background. Bythis way, ROI can achieve higher performance. Data may be damaged or missed while transmitted in internet or wireless channel.

DIRC算法在各编码层对ROI和背景分别设定目标码率，在最终形成的码流中感兴趣区域码块其在各层的截止门限由高码率确定，而背景码块对应的截止门限由低码率决定。

In this thesis, the theory and algorithm of GPR ROI extraction and the targets detection are investigated.

摘要本文的主要内容是研究探地雷达的ROI提取及目标检测的理论与方法。

According to the analysis of work efficiency, used the model of production function and analytic hierarchy process to work out the actual ROI after safety investment is implemented.

2在工效提高效益分析上面，利用生产函数模型结合层次分析法计算铁路安全投资的工效提高效益。

When investors are in the treasury secondary market, they have to undertake two kinds of risks: the first one is yield risk, that is, return of investment is lower than inflation rate. This risk can be depicted as the deviation between the ROI and the inflation rate. Secondly, fluctuation risk in the treasury secondary market, that is, the uncertain fluctuation risk may be bullish or bearish in the treasury market.This risk can be depicted as the square deviation of the treasury price in the secondary market.

在国债现货二级市场上的投资者，要承担的风险主要有两种：第一种风险是收益率风险，也就是投资收益率可能低于通货膨胀率的风险，这种风险可以用与通货膨胀率相比较的差值的大小来描述；第二种风险是二级市场价格波动性风险，也就是市场价格上、下波动的不确定性风险，这种风险可以用二级市场价格的标准差来描述。

He then pursued his road, and resumed his song:--"Le roi Coupdesabot S'en allait a la chasse,A la chasse aux corbeaux--" At the end of these three lines he paused.

他仍旧赶他的路，放开嗓子唱着：大王"踢木鞋"出门去打猎，出门打老鸦……唱了这三句，他便停下来了。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&