空間插值 的英文怎麼說
中文拼音 [kōngjiānchāzhí]
空間插值
英文
spatial interpolation-
Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction
隨著計算機技術、三維可視化理論和計算機圖形學的發展,醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法,發展到真正的三維重建演算法:面繪制和體繪制;醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡,以及今天的虛擬可視化人體研究;而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。The spatial interpolation method efficiency evaluation of the coal mining isoline based on surfer
的煤礦等值線空間插值方法有效性評價Applying spatial interpolation and data topographty model, realizes that isoline data create grid data, forms surface and makes three - dimensional geological body, according to the actual demands in oil and gas field development
運用空間插值、數字地形模型等方法,根據油氣田開發中的實際需要,實現由等值線數據生成網格數據,形成構建表面,最終得到三維地質體。This paper combines the critical rainfall in the typical areas of yunnan province, and carries on the analysis to the critical rainfall situation, and carries on a research to the variety regulation of the critical rainfall of the mountain flood disasters in yunnan province by the application of spacial variogram theory, and the kringing of spacial gridding methods, the inverse distance to a power method, the radial basis function method, and then draws up each isoline maps
採用空間變異理論,應用克里金空間插值分析法、反距離加權插值法、徑向基函數插值法對雲南省山洪災害典型區的臨界雨量的情況進行對比分析,對其變化規律進行研究,並繪制相應等值線圖。Research on using kriging spatial interpolation technology in land classification for urban area
運用克里金空間插值技術進行土地級別劃分We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data
然後介紹了在本研究中構造逆斷層地質等值線的基本思路:從離散數據點結構出發,採用空間數據內插方法進行數據的均勻化,通過三角剖分構造出相互連接的三角形網路結構來建立起相關區域內的數字高程模型,利用該模型構造出相應的地質等值線圖,其中使用擴展點與斷層區的關系屬性進行斷層區分層空間插值計算處理和斷層區域的分層三角形網格化處理相結合的技術,實現逆斷層數據的處理和等值線繪制。During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?
在此過程中,採用平均誤差( me ) ,平均絕對誤差( mae ) ,插值平均誤差平方的平方根( rootmeansquaredinterpolationerror ,簡稱rmsie ) ,插值前後測站要素值的均方差( meansquaredeviation ,簡稱msd )差值作為判定插值效果的標準,得出如下結論:通過高斯權重法與結合逐步訂正的高斯權重法的對比,說明結合逐步訂正方案的高斯權重法可大大提高地面日氣溫的插值精度;在高斯權重法中加入海拔影響項可以反映出溫度隨地形高度的變化趨勢,同時也能較大地提高地面日氣溫的空間插值精度,說明在地形復雜的區域,地形影響在插值精度中是不可忽略的;對于高斯權重法的兩種改進方案得到的地面日氣溫分布圖都能很好地反映出表面大氣氣溫隨地形高度的變化趨勢。Many organic and inorganic contaminants of the shallow groundwater in city zone and close suburb of beijing were investigated on the spot, more than 100 samples were got. by spatial analysis, modeling calculation and spatial interpolation, maps of each contaminant distributions are made and divided into two parts, the beyond the standard and below the standard. with those maps, the total environmental quality of the groundwater is evaluated
利用本系統提供的空間分析、模型運算等分析工具,對2000 2001年北京城近郊區淺層地下水環境污染進行了如下評價分析工作: ( 1 )對地下水調查中檢測出的各種有機污染物和無機污染物進行了空間插值分析,劃定了超標區的分佈范圍; ( 2 )對2000年枯水期的淺層地下水綜合環境質量進行了分析和評價; ( 3 )對1996 、 1999和2000年的綜合水質評價圖進行了對比分析,發現北京城近郊區淺層地下水環境綜合質量逐年下降;預知未來幾年內,淺層地下水環境質量不會有明顯好轉。It realized the spatial interpolation software grounded on geostatistics seamlesslly integrated with the system using the way of oop and the technology of ole / activex based on com. using vector - grid spatial - overlap analysis to solve the limitation of the grid and general vector data structure in the course of creating prescription, it made fertilizer prescription founded on the main factor of soil nutrient and yield - target. also it effectively integrated comgis with exper t system using the technique of loose coupling
以面向對象的設計方法為基礎,利用「組件對象模型」基礎上ole / activex技術實現基於地統計學的空間插值軟體實現及與施肥處方系統的無縫集成;應用基於矢量網格的空間疊加分析方法解決柵格和常規矢量數據結構在處方生成中的局限,生成了基於土壤養分和目標產量為主要因素的施肥處方;利用鬆散耦合技術將comgis與施肥專家系統進行有效集成;充分考慮施肥機對施肥處方數據結構要求,在wgs - 84坐標系下採用具有柵格單元的矢量施肥處方。Comprehensive analysis and results indicates that the kringing of spacial gridding methods, which has better versatility and may be operational, can reflect the variety regulation of critical rainfall better
綜合分析結果表明克里金空間插值分析方法能較好反映臨界雨量的變化規律,具有較好的通用性和可操作性。We got the spatial distribution map of population density by spatial interpolation, in which the population data are distributed on the grids. the results of the distribution of interpolated based on gis is closed to a real population distribution. the combination of the spatial interactive models and a shortest path algorithm for public transit network is analyzed by supermarket ' s accessibility based on pedestrianism and public transit. this methods may be used to investigate potential supermarket ' s locations. the quantitative analysis about the supermarket ' s market area is realized based on trade mode of lashmanan and hansen, which mainly includes spatial distribution of population, traffic accessibility and free competition between different firms
文中應用空間內插技術實現了人口數據空間分佈化,將人口數據通過空間插值分佈於研究區域內,使人口空間分佈更接近實際;應用公交最短路徑演算法及空間相互作用模型實現了基於步行和公交出行的超市可達性,將交通對超市選址的影響定量化,方便了方案的比選;在綜合考慮人口空間分佈、超市交通可達性、現有零售商業競爭態勢的基礎上,基於拉、漢購物模式實現了超市商圈定量分析。The results were shown as follows : ( 1 ) based on weather data, the space - time changes of climate in chongqing karst region were analyzed applying regression analysis and kriging interpolation and the future climate was forecasted by wavelet analysis
主要研究結果如下: ( 1 )利用回歸分析、 kriging空間插值等方法分析了基於氣象數據的氣候的時空變化,並採用小波變換對未來的氣候進行了預測。6 ) some spatial interpolations for field information were discussed
浙江大學博士論文摘要6 )分析了多種農田信息空間插值方法。Study on the spatial difference of soil characteristic and the method of its spatial interpolation
土壤特性的空間差異及其空間插值方法研究A comparison of some interpolation methods riented toward volume visualization of mineral deposits
面向地礦工程體視化的三種空間插值方法之對比分析The declining of confidence limit is the reason that makes the multiple - regression model not to fit for better precision any more
而多元線性回歸分析方法,在更高解析度的空間插值中,由於測站數目相對減少,可能導致回歸可信度下降而使該方法不再適用。In order to get virtual environment more truly, space interpolation of hrtf which can reduce the number of measurements for new user ’ s hrtf has been researched
為了得到更真實自然的虛擬運動聲源,研究了hrtf的空間插值以彌補空間測量hrtf數據不足的缺點。In this paper, matlab are used, and the high quality and real - time 3d cartoon are implemented, which increase facility and compatibility of development of robot system
本文利用運動學方程的求解與空間插值演算法,使用matlab編程實現對工業機器人的三維圖形模擬,提高了系統的易開發性和實用性。At the same time, during the course of 1km - resolutioned spatial interpolation for the daily surface air temperature in the reaches of yangtze rive, the altitudinal effect ca n ' t negligible
同時在長江流域內地面日氣溫的1km解析度的空間插值過程中,海拔高度對氣溫的空間分佈的影響是不可忽視的。An error detecting method which can prevent the decoding error affecting the next video packet head is used, and a restoration measure for b frame based on the mv prediction which can improve the visual quality has been studied. 3. a novel marking algorithm for ip diffserv based on the transmission condition and the different importance of video streams for decoder has been introduced
2實現了mpeg - 4的差錯檢測、可逆變長解碼rvld和差錯掩蓋方法:對i或p幀紋理區的差錯先用rvld進行解碼,然後對殘留的差錯用空間插值或運動補償方法進行掩蓋,而對p幀的運動矢量mv ,利用圖像的空間平滑特性進行恢復; 3針對b幀差錯的復原,我們還提出了一種基於運動估計的方法。分享友人