等度圖 的英文怎麼說
中文拼音 [děngdùtú]
等度圖
英文
isometric drawing-
Articles on web development topics including interface design rules of thumb, w3c compliancy, and ada issues in website design
-提供高精度圖片，材質貼圖， 3dmxa源文件， psd設計源文件，字體等設計素材下載。According to the fact that the basic features of apalmprint, including principal lines, wrinkles and ridges, havedifferent resolutions, in this paper we analyze palmprints using amulti - resolution method and define a novel palmprint feature, whichcalled wavelet energy feature, based on the wavelet transform. wef can reflect the wavelet energy distribution of the principal lines, wrinkles and ridges in different directions at different resolutions scales, thus it can efficiently characterize palmprints. this paperalso analyses the discriminabilities of each level wef and, according to these discriminabilities, chooses a suitable weight for each levelto compute the weighted city block distance for recognition. theexperimental results show that the order of the discriminabilities ofeach level wef, from strong to weak, is the 4th, 3rd, 5th, 2nd and 1stlevel
作為對現有人體生物特徵識別技術的重要補充，掌紋識別有著其獨特的優點：掌紋比指紋含有更多的可區分信息掌紋採集設備的價格比虹膜採集設備的價格要低廉得多掌紋特徵比簽名特徵更為穩定掌紋識別可獲得比人臉識別更高的識別精度掌紋含有獨特的線特徵包括主線和皺褶，這些線特徵具有很強的區分能力，並可以在低解析度圖像中提取出來可以將手掌上的各種特徵融合在一起建立一個高精度的生物識別系統等。In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。The results of the experiments indicate that the main performance of the ladar prototype matches the design requirement theoretically. the ladar prototype has many advantages, such as high imaging speed, high image resolution, high ranging precision and high quality intensity image, which can be obtained simultaneously
實驗結果表明，所研製的成像激光雷達的主要性能指標與理論設計基本一致，具有成像速率高、圖像解析度高、測距精度高以及可同時獲得高精度強度圖像等優點。Distant medical services make interactive multi - media communication a reality by using modern communication technologies such as satellite to transmit electronic medical data including high - resolution images, ecg, voices and medical records from where a patient is to an expert who sits in front of a terminal in a hospital many miles away, a process that enables medical experts to provide timely diagnosis and treatment to cure diseases and save lives
遠程醫療系統是通過利用許多通信技術，包括衛星，將電子醫務數據如高清晰度圖像、心電圖、聲音和病歷資料等從病人所在地傳送到遠端醫院醫療專家面前，實現了互動式多媒體通信，然後由醫療專家提出治療意見和方法，達到治病救人的目的。Through the interface between the card and pc, the control infomation and dsp compression stage etc. can be conveniently notified. the simulation statistics indicates that the design mentioned in the paper can be conveniently and effectively appllied to the image processing card to accomplish the functions of the dataflow controls such as i2c operation 、 image transform parameter data transmission 、 sdr - sdram controller 、 pc - fpga communication, dsp video codec etc
驗證結果表明，本文所述的系統方案設計可以方便的應用在基於pc104總線的高解析度圖像處理系統中，並能有效完成i2c配置、 pc - fpga交互通信， fpga對sdr - sdram高速讀寫控制， dsp對圖像進行壓縮等系統功能。The main results of this paper are as follows : ( 1 ) the operation chart for individual and associated operation of new and old units, is plotted by using series of multiyears flows and the associated charts is advised to direct the reservoir operation. ( 2 ) on the basis of analysis on the characteristics of hydro - information observation system and flood forecasting system, some key problems in flood operation such as dispatching period of time, decision - making method and so on are studied. ( 3 ) the study and development of flood - dispatching simulation model
論文取得的研究成果如下： （ 1 ）採用長系列徑流資料，繪制了新老機組單獨運行和聯合運行調度圖，通過對比分析，建議採用聯合運行調度圖來指導水庫運行； （ 2 ）在對石泉水庫水情測報系統和洪水預報系統的特點進行分析的基礎上，研究了洪水調度中的幾個關鍵問題，如調度時段、決策方法等； （ 3 ）洪水調度模擬模型研究與開發。This article introduces gray image processing technology. firstly, in order to eliminate noise, optimize image and get precise edge feature, a series of preparations can be done to fracture image such as histogram equalization, binarization, edge enhancement, and so on
本文採用灰度圖像處理技術，首先對疲勞斷口圖像進行直方圖均衡化、二值化、邊緣增強等預處理來消除噪聲，優化圖像，以得到精確的邊緣特徵。Taking gis software ( arc / info and arcview ) and visual foxpro as basic plat, protracted the system maps of land resource, those basic subject maps included land use status map, land types map, soil types map, grade map and soil organic substance map, combing with former summarizing research results, built the spatial basic database of land resource ; based the spatial database, by the means of attribute table manipulation and take the map plot as basic unit to get the subject attributes of basic information, combined with social economy attribute information, built the attribute database ; take the spatial basic database as basic work, by the means of vector piles to get the land resource dynamic movement system maps, included land use status, land types and soil organic substance dynamic movement map
以gis軟體（ arc info 、 arcview ）與visualfoxpro為基礎平臺，繪制完成土地資源的系列圖，包括土地利用圖、土地類型圖、土壤類型圖、坡度圖、土壤有機質圖等基礎專題圖件，結合以前的工作成果，構築土地資源的空間本底數據庫；通過空間疊加分析，得到基礎單元圖斑，採用屬性表操作的方法獲取基礎單元圖斑的專題屬性信息，結合社會經濟屬性信息，建立屬性數據庫；以空間本底數據庫為基礎，採用矢量疊加對比分析的方法，得到土地資源動態變化系列圖，包括土地利用、土地類型、土壤有機質等動態變化圖。A watermarking system will be an effective and valuable tool to solve it. watermarks can be applied to digital data such as still images, audio, video, etc. this dissertation considers digital grayscale image exclusively
在該演算法中，水印是指一個含有版權等信息的可視位圖，水印處理的對象是數字灰度圖象，但經擴展，此演算法可以應用於其它數字媒體，如彩色圖象、音頻和視頻等。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著，建立了和研究了二維二速的主幹道模型，該模型模擬了城市交通中一條主幹道，多條支道的交通情況，在幹道與支道的交叉路口設置紅綠燈，車輛在運行中可以有對突發事件發生反應的剎車，在發生堵塞時，路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生，給出了車輛演化的演化方程，並通過計算機模擬，研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化，並分析在各種情況下交通狀況的成因，提出改善交通的有效措施。最後，在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下，將此法推廣到對二維bml模型的模擬上，得到了與用以往方法的研究結果相類似的速度-密度圖線，且車輛從運動相到堵塞相轉變的上下臨界密度是一致的，同時分別給出車輛在處于暢通相和堵塞相時， boltzmann函數在格子上的分佈情況，進一步驗證了此法的可行性。Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session
工程制圖一直被認為是一門實踐性學科，其整合了幾何學、建築、力學、電子制圖等，從而將理論與現實圖像聯系起來，工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常，即使在開放與遠程教育環境中，工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性，一些學習者可能難以想象並解釋這些圖像.然而，尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖，例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法，以及應用與練習等階段.在導論階段，系統為學習者提供了專題簡介，然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后，系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟，學習者也能重復觀察任何剖面.另外，還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後，為了評價學生的理解能力，在每部分內容後面都附有相關的練習It is of high speed, efficiency and resolution. also it will give new direction and theory reference for real - time 3d non - contact measurement based on vision and high - speed 3d vision. and above all, it plays an important role in the development of information technology on machine vision and its application in engineer
該三維測量系統採用的顏色編碼方法，能以攝像機幀頻速度採集全幀深度圖像數據，具有高速、高效、高分辯力等的優點，為實現快速三維視覺和基於視覺的實時三維非接觸測量提供了新的方法和理論依據，對促進視覺信息技術發展、特別是視覺在工程中的應用具有重要作用。There are two parts in this paper : firstly, a set of single doppler velocity models are presented for typical ambient windfields that include those of being uniform horizontally, macroscale convergence and divergence, which overlap warm and cold advection. which are marked by different signatures in the single doppler velocity field. the models proposed can help users identify useful information from the dopple velocity patterns
本論文包括兩個部分：第一篇通過對典型風場的單多普勒天氣雷達徑向速度圖象進行模擬，典型風場包括水平均勻一致的風場、非均勻水平風場的大尺度運動的輻合輻散風場以及大尺度運動的輻合輻散風場與冷暖平流的迭加等。In the process of gathering image, it must produce noise, otherwise, we focus on the image character that we are interested in when we do it ; so we should use the technology of histogram equalization of image, windows conversion, removing noise by smoothness and filtering to enhance the image
將人工檢測得到的圖像進行圖像預處理，將32位真彩色圖像轉化成灰度圖像。降低了數據童，加快了圖像處理速度。應用圖像的直方圖均衡、窗口變換、平滑去噪、濾波等處理技術對圖像進行去噪和增強，得到本研究所需要的圖像特徵。On the basis of sand dividing and isochronous tracing correlation which is making in supershort - term cycle sequence, choose two layers of 11 and 35 as units to make isopach map of sand and isochronous depositional microfacies map in short time and big scale. comparison with the same work which was made by predecessor, the precision and degree of reliability of these maps is outstanding
在相當超短期旋迴層序級別的砂層劃分和等時對比基礎上，選擇1 ~ 1和3 ~ 5兩砂層為編圖單元編制大比例尺短時間尺度的砂體等厚圖和等時沉積微相圖，並與前人所編的同類圖件進行比較，突出了本文所編圖件的精度及可靠程度。Ict can detect gray image of the object ' s layer and does not destruct the object in the same time. ict distinguish object layer ' s geometrical structure, material and defect type by gray
Ict是在無損狀態下檢測物體斷層的灰度圖像，以其灰度來分辨被檢測斷面內部的幾何結構、材質情況、缺陷種類等。Based on the characteristics of vehicle structure, the paper presents the check technique for traffic vehicle from the remote sensing images, introduces the transformation process from the grey scale of image to the dual value image, and finally expounds the marginal check ( contour tracing ), image dividing, mode distinguishing and the vision of machine
摘要在分析固定場景中車輛圖片結構特徵的基礎上，提出了從遙感圖中檢測車輛的方法，具體介紹了將遙感灰度圖像轉換為二值圖像，並進一步闡述了邊緣檢測（輪廊的跟蹤） 、圖像分割、模式識別、機器視覺等作用。According to the sedimentary mechanism, the effects of sedimentary environments, structural movements and changes of the sea level on the development of the cap rock were analyzed, the distribution regularity was obtained ; 3
2 、根據沉積學原理，分析了沉積、構造及海平面變化對封蓋層的影響程度，劃分出區域蓋層和局部蓋層，並繪出封蓋層分佈等厚度圖。Protscale - amino acid scale representation ( hydrophobicity, other conformational parameters, etc
胺基酸刻度圖（構造及其他參數等） 。分享友人