立體三角測量 的英文怎麼說
中文拼音 [lìtǐsānjiǎocèliáng]
立體三角測量
英文
stereotriangulation- 立 : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
- 體 : 體構詞成分。
- 三 : Ⅰ數詞1. (二加一后所得) three 2. (表示多數或多次) more than two; several; many Ⅱ名詞(姓氏) a surname
- 角 : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 立體 : 1 (三維的) three dimensional; stereoscopic2 [數學] (幾何體) solid; body立體彩色電視 three dim...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based
本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法,即固定距離測量聲時法、臨界角折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波測量溫度應力的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy
主要研究了攝像機針孔模型的建立及測量傳感器的標定;圖像的快速高精度的採集和處理,在圖像處理中採用多幀平均演算法,很好地解決了速度和精度之間的矛盾制約;根據旋動理論建立空間坐標變換數學模型,進而建立其不同視角下的測量數據融合演算法,生成完整的物體三維數據集合;在vc平臺下編寫三維顯示軟體模塊,完成三維測量結果的可視化,實現了三維物體的任意角度的觀察、任意倍數的放大和縮小、任意方向平移及動畫效果。The binocular stereo ranging method based on the principle of triangle measuring is an important method which can do three - dimension ( 3 - d ) measurement and acquire the information of 3 - d surface profile
基於三角測量原理的立體視差測距方法是進行三維測量,獲取三維場景距離信息的重要方法。The author discusses the basic category of land sustainable use and construct theoretical foundation for demonstration and policy application by summarizing and inducing the private achievements. under the leading of the theories system, the author investigates systematically natural and economic conditions, the characteristic and the present condition of land resource use and discovers the problem and result of landuse in the county. at the same time, the writer forecasts the demand of some kinds of landuse by analyzing the conductive and exploiting potential from nature, economy and society
研究的總體思路是:總結、歸納已有研究成果,探討土地資源可持續利用的基本范疇,構建實證研究和政策運用的理論基礎;在理論體系的指導下,系統考察該縣土地資源開發利用的自然及社會經濟條件、土地資源特徵、利用現狀,揭示該縣土地利用存在的問題及其後果;從自然、經濟、社會三個方面系統分析了各種土地利用類型的生產、開發潛力,並對多種土地利用類型做了用地需求量預測;進一步深入剖析了影響土地資源可持續利用的因素指標,從而建立了指標體系;在此基礎上,採用綜合指數法和單指標多角度評價法就酉陽土地資源的可持續利用作以評價;最後,提出酉陽土地資源可持續利用的戰略構想和切實可行的對策、建議。Independent model stereo - triangulation
獨立模型立體空中三角測量2 ) through many numeral experiment, using the crack face ' s slant angle and azimuth angle as parameters, we found some relations between three - dimension fractal parameters and two - dimension fractal parameters in rock mass : ds = ( 1. 0 + 0. 031 ) * dl + ( 1. 0 + 0. 0395 ), ns = nl, v = 1. 5986 * ( 2 - dl ) - 3. 2935 * sin ( st ) + 3. 8263, and found a way to speculate three - dimension fractal parameters from two - dimension fractal parameters. lt is the foundation to describe the distribution laws of crack face in rock mass by the observing results through rock mass section crack, 3 ) this paper constructed the three - dimensional fractal emulation theoretical system and erected three - dimensional fractal emulation model about crack face in rock mass 4 ) a emulation system about crack face in rock mass is developed by vc + +, it includes the function to get section plane chart and section block chart from three - dimensional network chart automatically, and some of the emulation examples is given
2 )通過大量數值試驗,以巖體裂縫面的傾角與方位角為紐帶,分析得出了巖體裂縫面數量三維分形分佈參數和巖體裂縫跡線二維分形分佈參數的關系: d _ s = ( 1 . 0 0 . 031 ) * d _ l + 1 . 0 0 . 0395 , n _ s = * n _ 1 , = 1 . 5986 * ( 2 - d _ l ) - 3 . 2935 * sin ( st ) + 3 . 8263並提出了由二維分形幾何參數來推導三維分形幾何參數的方法。為通過巖體剖面裂縫直接觀測結果,描述巖體裂縫面分佈規律奠定了基礎。 3 )本文構建了巖體裂縫面的三維模擬理論體系,建立了巖太原理二大學周眨d二研究生學位論文體裂縫面的三維分形模擬模型。A 3d visualization model of soil clay content in a cube soil body was constructed by using matlab software and c / c + + programming language, through which we can observe the variability trend of the soil property from different point of view
用c c + +程序和matlab軟體構建的一立方米土體土壤粘粒含量的三維可視化圖,可以實現各個角度觀測整個土體土壤顆粒含量分佈趨勢。The main work and achievements of this thesis are as follows. 1. a hardware platform of binocular stereo measuring system with simple structure was built with low cost, which consists of ccd cameras, lens, a frame grabber card, a computer and a tripod
本文就這方面內容展開研究,主要研究內容和成果如下: 1 .以較低的成本建立了一個結構簡單的二目立體測量系統的硬體平臺,主要包括ccd相機和鏡頭,圖象採集卡、計算機、三角架。After the discussion of the plane measurement, we continue the discussion about the important method of the stereo measurement, such as : the method of resolving the fundamental matrix, the method of recovering the fundamental matrix from the camera matrix, the method of recovering the 3d point based on the trigonometry
在平面測量理論的基礎上,論文繼續討論了基於圖像的立體測量的重要方法? ?兩視圖立體重構。詳細研究了其中基本矩陣的演算法、由基本矩陣恢復攝像機矩陣的演算法、三角法恢復空間點的演算法等,在這之後給出了真實試驗結果。Semi - analytical stereotriangulation
半解析立體三角測量This paper develops a nomal model of the cigarette distribution system of hongta group by analyzing the environment, factors, mechanism about the cigarette distribution system of hongta group, it analyze the reason, way of the cigarette channel of hongta group conflict by quoting the theory of conflict of orgnazition behavior, put thes forward to some measures to manage and coordinate channel conflict. it also, from the manufacture ' s ( hongta group ) position, designs some indexes and methods for evaluating distributors ( tobacco company ), channels and the cigarette distrubution system of hongta group, which evaluates distributions between qualitative aspect and quantitative aspect, evaluates channel by using channels " value - lose - table method and results comparing method, evaluates the cigarette distribution system ' s of hongta group competitive power by applying an envaluating model which develops from fuzzy and ahp. according to the environments changing, channel conflict, envluating results, it analyzes the reason and steps about the adjustment of the cigarette distrubution system the cigarette, offors the style and content of the adjustment, also puts foaward to three styles of innovation of the cigarette distrubution system the cigarette by quoting the innovation theory
並且從生產商(紅塔集團)的角度,分別按分銷商(煙草公司) 、分銷渠道及整個分銷體系三個層次建立了相應的評價指標和評價方法。其中,從定性、定量兩方面對分銷商(煙草公司)進行了評價,採用分銷渠道損益表法、潛在市場與實際對比法對分銷渠道進行評價,而且,從理論上構建了將模糊集合論與層次分析法相結合的綜合評價測度模型,據此對紅塔集團卷煙分銷體系競爭力進行了評價。根據紅塔集團卷煙分銷體系環境的變遷、渠道沖突、分銷體系評價結果等,進一步分析了紅塔集團卷煙分銷體系調整的原因與步驟,並提出了分銷體系調整的形式和內容。It finds extensive applications in science research, engineering design, trail analysis on the criminal investigation spot, online detection automatically, quality control, machine vision, medicine diagnosis and etc. this thesis analyzes and summarizes the domestic and international researchers ’ work about stereo vision, and then concentrates on the research on some key techniques of stereo vision, such as camera calibration, corner detection, 3 - d matching and 3 - d reconstruction
隨著科學技術和工業生產的發展,三維形面測量在現代工業及實際生產中起著越來越重要的作用,在科研、工程設計、刑事偵查現場痕跡分析、自動在線檢測、質量控制、機器視覺、醫學診斷等方面有著極其廣泛的應用前景。本文在分析和總結了當前國內外立體視覺研究工作的基礎上,針對其中的攝像機標定、角點檢測、立體匹配和三維重建四個關鍵技術部分開展研究,其主要成果如下: 1 .提出了一種改進的攝像機標定方法。Based on the characteristics of the geological exploring data, a method for establishing data model was presented, in which the triangle network was combined with the quadrangle network. at last, the geologic maps needed for geological research were drawn through the gdi ( graphics device interface ) and the 3d visualization system model was established for stratumtous geological body. base on the achievments mentioned above, a software system was developed which can be used independently without relying on any software platform
文中首先介紹了可視化技術以及地質制圖技術的發展,然後對地質構造可視化模型進行了研究,根據地質測量數據的特點,提出了三角形網和四邊形網相結合的數據建模方法,最後通過圖形介面繪制了地質研究所需的地質圖件,構建了層狀地質體三維可視化系統模型,並開發出了可以獨立於任何軟體平臺使用的地質三維可視化軟體系統。But the standard mc has some shortcomings : firstly, the standard mc picks up isosurfaces by threshold, however, threshold segmentation is invalid for picking up tissues or organs from some medical images ; secondly, the standard mc pocesses cubes one by one, that is to say, all the cubes will be checked, and the algorithm spents 30 % - 70 % of time to check the null units, so we need a reasonable data structure to travel the space data and accelerate the checking or filting of null units ; thirdly, the standard mc has a large scale of triangles, normally, the tissue or organ reconstructed includes hundreds of thousands so much as millions of triangles, this means it hardly to execute real - time rendering or interaction ; lastly, the standard mc can not get the very smoothly surface mesh, and there will be some unexpected accidented cases, especially in the case of big errors in oringinal data
但是標準mc演算法存在較大的問題:標準mc演算法實質上是通過閾值分割來提取等值面,閾值分割對某些醫學圖像的組織或器官的提取難以得到較好的效果;標準mc演算法是逐個移動立方體來進行處理,就是說對所有的立方體都要進行一次檢測,演算法執行中30 % ~ 70 %的時間用在對空單元的檢測上,因此需要有一種合理的數據結構對空間數據進行有效的遍歷,以加速對空單元的檢測和過濾;標準mc演算法產生了大量的三角面片,一般重建的組織或器官包含數十萬甚至上百萬的三角面片,難以實現實時的繪制和交互操作;標準mc演算法得到的表面網格並不光滑,會有一些不期望的凹凸,特別是在原始數據有較大誤差的情況下尤其突出。分享友人