描圖針 的英文怎麼說
中文拼音 [miáotúzhēn]
描圖針
英文
tracing needle-
The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project
本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。3, on the base of the traditional spatial filtering, the author present, a new despeckle algorithm, that make use of iterated processing and correlated neighbourhood model, iterated filtering method of the sar image combining the correlated neighbourhood model with maximum a posteriori filter. first, a series of templates refecting direction information are established and every template is present for a kind of neighbour structure. then on the basis of sar images statistical property, the maximum a posteriori estimate of the real intensity under observation image values is got by bayes formulatio - n
3 、針對傳統空間濾波器的不足，引入迭代處理和相關鄰域模型的概念，提出了基於相關鄰域模型的最大后驗迭代濾波。該演算法引用一系列反映局部邊界特徵的鄰域模型，以描述圖像的細節。引入強度的先驗概率分佈模型，利用bayes方法，對各個結構進行實際強度的最大后驗估計。This article canvass the status quo of the archive ' s automatization administration and the develop status of data mining, and discusses how to combine the data mining technology with the archive work from data cleaning means, data mining arithmetic, and data storage etc. and this article put forword a data mining syst em design idea. this article ' s structure is : first, in allusion to the archive data status quo, the pretreatment work of archive data that include data quality evaluation, data cleaning and data commut - ation process is bringed forword ; second, in the process of realizating data mining, the article discusses conception description, association rule, class three familiar means of applicating data mining, also put inforword the concrete arithmetic and the program design chart, and discusses the range and the foreground of all kinds of arithmetic when they are applicated in the archive ; third, the base of so you say, this article also discusses the importance of the archice applicate data storage and the means of realizing it ; last, the article discusses seval important problem of realizing an archive data mining system from data, diversity, arithmetic multiformity, mining result variety and the data pretreatment visibility, mining object descriptive visibility, mining process visibility, mining result visibil ity, user demand description and problem defining etc aspect. the article ' s core is how to import data mining technology in the archive work
本文評述了檔案自動化管理現狀和數據挖掘技術的發展狀況，從數據清洗方法、數據挖掘演算法、數據倉庫的建立等方面論述了如何將數據挖掘技術與檔案工作相結合的具體思路，並提出了一個數據挖掘系統的設計思想。文章首先，針對檔案數據的現狀，提出了應對檔案數據進行預處理工作，包括數據質量評估、數據清理、數據變換和歸約等過程；其次，在具體實現數據挖掘過程中，本文結合檔案數據的特點探討了概念描述、關聯規則、分類等三種常見挖掘形式的實現方法，提出了具體的實現演算法和程序設計框圖，並論述了各種演算法在檔案工作中的應用范圍及前景；第三，在上述基礎上，又論述數據倉庫在檔案數據挖掘中的重要性並提出了實現一個檔案數據倉庫的方法；最後，從處理數據的多樣性、演算法的多樣性、挖掘結果的多樣性、數據預處理可視化、挖掘對象描述的可視化、挖掘過程可視化、結果顯示可視化、用戶需求的描述及問題定義等幾方面討論了實現一個檔案數據挖掘系統的幾個重點問題。全文以探討如何將數據挖掘技術引入到具體的檔案工作實踐中為核心。Vertebral arteriogram needle
椎骨動脈描記圖針According to the need of business card ocr system, this paper presents a new skew detection and correction method based on black border of gray business card image
摘要本文針對名片ocr系統的要求，提出了一種新的根據圖像掃描時產生的黑色邊緣來檢測灰度名片圖像傾斜角度的方法。A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated
它首先在總體上根據緩存器的佔有率給每幀預分配比特數，然後再根據具體細節給予不同的量化參數。使緩存器得到了更細致的控制，解碼圖像的質量有所改善。針對傳統的視頻圖像編碼方法，即幀內基於dct的編碼加幀間基於運動補償的預測編碼存在不適于低比特率壓縮，編碼器復雜等不足，討論了基於3 - ddct的xyz視頻圖像壓縮編碼方法，提出了3 - ddct系數的三維「 z 」形掃描方案，大大提高了編碼效率。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。It takes use of pseudo - random technology, dynamic adaptive technology, multi - channel technology, random position embed technology and so no. so the digital watermarking can resist the physical process of printing and scanning. at the same time, the watermark is binary image which includes a great deal of information, such as personal id, secret information, even a piece of map
本文特別針對印刷和掃描給數字圖像帶來的誤差的問題，設計了一種新的水印演算法，綜合運用了偽隨機處理技術、動態自適應技術、不同應用選擇不用頻帶處理技術、隨機位置嵌入技術、多通道嵌入等技術，使得本文所設計的水印演算法能夠抵抗印刷和掃描的物理轉換過程，同時本文所設計的水印是二值圖像，能夠承載大量的信息，例如個人id 、機密信息、商標標識，甚至可以是一幅地圖。A region - disconnecting algorithm based on region growing with scanning is proposed, which disconnects the merged rice kernel image regions through image processing
摘要針對計算機視覺技術中米粒靠接在一起不利於大米的分級檢測，採用圖像處理分離靠接在一起的米粒融合區域，提出了基於掃描式區域增長的區域分離方法。In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎，重新設計了以dsp為控制核心的控制系統，主要解決原系統存在的以下問題： （ 1 ） pc機既要實時控制數據的採集與發送，又要進行圖像的后處理，整個系統的實時性難以達到要求； （ 2 ）隨著spm功能的擴展，一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能，另一方面也意味著自動控制量的增加和數據處理量的增加； （ 3 ） 16位a d 、 d a都採用的是購買的板卡，也通過isa槽插在pc機內，成本高，不利於擴展； （ 4 ）另外，數字板通過isa槽插在pc機內，易受于擾，而且給安裝帶來不便。Furthermore, the concept of the life - span of fresh water, is put forward for the first time to demonstrate the potential value of the water resource. in a certain sense, the rdwr model has supplied a new way to evaluate the richness degree of the water resource in an area as well as determination of the jurisdiction of water resource, and the evaluation of the strategic importance of a river
針對這一問題，本文從時空的角度提出了水資源豐度（簡稱「水豐度」 ）這一新的模型，試圖彌補水資源量概念的不足；並首次提出「凈水壽命」概念，用於描述水資源的潛在價值。Hot shock and cathode electrolysis experimental results indicate the interface adhesion strength between coating and aluminum matrix is excellent. the element electronic probe image provide that the two composition are co - deposition ; structure analysis by xrd ( x - ray diffraction ) demonstrated that cr exists in the way of solid solution in the coating
Sem和金相觀測結果表明浸鎳后鍍層結晶緻密、厚度均一；熱震及陰極電解結果說明鍍層與基體結合牢固緊密；鍍層元素電子探針掃描圖說明鎳鉻兩種元素均勻沉積； xrd分析證明鍍層中鎳鉻以固溶體的形式存在。The paper introduces reasonedly the following contents : the design of laser carving inner glass control system, the development of three - dimensional processing software and the design of communication module. all of above base on the principle of the laser carving inner glass machine
本文在介紹激光玻璃內雕刻機工作原理的基礎上，針對激光玻璃內雕刻控制系統軟硬體的研製、計算機三維圖形處理軟體的開發和通信模塊的設計三方面作了較為詳盡的描述。Key issues in cbir include extracting features from raw images, matching query and stored images in a way that reflects human similarity judgment
本論文主要針對如何描述圖象內容，準確、自動地提取特徵，以及精確地對圖象內容進行相似性度量。Some methods such as image cytophotometry, fluorescence microscopic imaging, infrared ( nearinfrared ) and raman microscopic imaging, magnetic resonance imaging and scanning probe microscopic imaging are discussed emphatically, and the conceivable direction in the future has been suggested
重點討論了圖像細胞光度測量、熒光顯微成像、紅外（近紅外）與拉曼顯微成像、磁共振成像和掃描探針顯微鏡成像等技術，並展望了單細胞成像的發展前景。For surgery tools models, this dissertation presents an algorithm to transform models constructed in solid modeling system to the developed virtual system in which surgery tools models can be constructed conveniently, accurately and parameterizely. the constructed models can have high level third dimension effect. for slice - imagings, this dissertation gives an algorithm for rebuilding solid model from triangulated patch surface model and the rebuilding processing function as an important function in reverse engineering has been added to 3d - modeler system, which is a feature solid modeling system developed by cad lab of dut, so the reconstruted bone model can be further processed in the cad system
研究了實體幾何模型向三維表面模型的轉化，針對手術規劃及模擬教學系統中的醫療器械模型，提出了一種利用三維實體造型系統構建實體模型，然後轉化為本文虛擬系統所支持的表面模型的方法，能夠方便、精確和參數化地建立模型；針對斷層掃描圖象，給出了基於ct圖象反求技術進行實體幾何造型的主要步驟，以使骨骼模型能夠在本研究所開發的特徵造大連理工大學博士學位論文型系統3dm 。Aiming at the common problems about the incline of biochip image, the automatic image rotation correction is realized by analyzing the power spectrum density of image projection
針對生物晶元掃描圖象普遍存在的傾斜問題，利用圖象投影的能量譜密度，實現對傾斜圖象的自動校正。Based on the robust watermarking model, a robust and blind watermarking scheme for print and scan images and a robust and blind watermarking scheme for image object are proposed
依據此模型提出了針對列印掃描圖像的盲水印系統和方法以及基於對象的盲水印方法。We propose a new system architecture incorporating a prior model to handle this problem. we implement an effective preprocessing method to extract gray signature traces by using a two - level signature mask, which is obtained through local contrast enhancement, adaptive enthresholding, dilation, and bridge operations
本文首先改進並實現一套針對簽名掃描圖像特點的預處理方法，包括局部對比度增強、自適應二值化、膨脹運算、連接運算等操作，提取出二值化簽名掩模，進而從原掃描圖像抽取灰度簽名軌跡。( 7 ) traditional region labeling was not considered because it wastes time and scan frequently the image. but fast edge tracing was improved to trace several edges each time. chain code of the edge was used to calculate perimeter and object area
（ 7 ）針對區域標記存在速度慢、重復掃描圖像等不足，改進了輪廓跟蹤演算法，使區域標記與輪廓跟蹤有機地結合在一起，提高了處理速度，同時改進了面積計算方法，避免了篩選和排序。分享友人