真值變換 的英文怎麼說

中文拼音 [zhēnzhíbiànhuàn]
真值變換 英文
truth value conversion
  • 真 : Ⅰ形容詞（真實） true; genuine; real Ⅱ副詞1 （的確; 實在） really; truly; indeed 2 （清楚確實） cl...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  1. 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。
  2. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。
  3. First, resistance to geometrical distortion was obtained by using moment normalization ; second, we focus on the phase of fourier - mellin transform. before detecting watermark, synchronization could be retrieved by using the phase information. to eliminate the influence of pixel value distortion generated during print / scan process, a dft - based robust watermark algorithm was designed, which could successfully detect watermark from a severe distorted image

    另一種思路是根據圖像經過旋轉、縮放、平移后，其傅立葉?梅林變換域只有相位受到影響的特點，從其相位中提取幾何失真信息，然後再進行相應的失真補償，從而消除幾何失真的影響；對于列印掃描過程產生的像素值失真，本文也提出了一種基於dft的魯棒性演算法，能在較嚴重的圖像失真情況下，成功檢測水印。
  4. In this thesis, some key issues of the vr technique are systematically investigated. firstly, for the image filters and image interpolation between slices, a integrated interpolation algorithm is presented based on the contour shape and correspondence matching, which keeps the shapes and grays information the objects of interest. secondly, the fidelity of effect of the vr for medical images is studied, and a continuous - gradient - based method for transparent volume rendering is proposed, which vivifies the results of volume rendering

    首先，研究了醫學斷層圖像數據的濾波及層間插值技術，提出了一種基於輪廓形變和對應點匹配相結合的混合插值演算法，在實現圖像層間插值的同時保持了目標的輪廓形狀與灰度信息；其次，對醫學影像容積重建效果的逼真度進行了研究，提出了一種基於連續梯度轉換函數的互動式透明體繪制方法，使重建效果更加生動、真實。
  5. The study of this paper indicates that, the combined binarization method can keep details well and tolerate the abominable state ; the method to estimate skew angle based on radon transformation is very exact, and the distortion of corrected image is also very little ; the vlp location method based on wavelet analysis and intensity moment has a high location exactness and a soon processing time ; and intelligent character recognition machine can accomplish the function of self - adaption, self - correction, self - study, etc

    本文研究表明：混合二值化方法能較好的保留圖像細節，抗噪聲能力強；基於radon變換估計傾斜角度的方法檢測角度精確，校正後圖像失真較小；基於小波分析和亮度矩的車牌定位方法定位準確率高，速度快；仿人智能字元識別器則能實現識別字元過程中的自適應、自校正、自學習功能等。
  6. The three - phase high - frequency ac pulse density modulation ( pdm ) converter, which is proposed in this paper, can efficiently synthesize low - distortion variable frequency variable amplitude low frequency voltage signals from the fixed - frequency voltage of the high frequency link

    本文闡述的高頻交流脈沖密度調制（ pdm ）的控制策略能夠較容易地將高頻交流信號低失真地合成幅值和頻率變換的低頻信號。
  7. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中，根據系統要求，充分考慮鐵路上的實際情況，針對具體問題採取了一系列的相應措施，如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ，設計了v f變換電路和外部a d轉換電路；在硬體抗干擾方面，將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系；在控制方面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算方法，即通過使用軟體來濾除系統中有干擾造成的誤差並計算真值，從而使數據的準確性得到極大地提高。
  8. Even as exchanges emerge to enable rich interaction among companies, businesses are looking to the internet to enable the adoption of truly dynamic pricing

    正當信息交換技術的出現使得企業間極富價值的相互作用成為可能之時，各企業正期待著因特網將真正有活力的定價方式變為可能。
  9. E xperiments show that the amended method is better than that in reference 12. as the same time the method can combine with the wavelet transformation to locate the characters. by multi - resolution analysis and pyramid decomposition, the edge components with different spatial resolutions and different directions can be acquired, among which, the detail components have the most distinguished texture features standing for the object region, then by further morphological operations, the useless information is greatly decreased and the last object text region is acquired

    分析了各個方向邊緣經小波變換后的特點，用具有良好時頻局部和變尺度特徵的小波分析方法提取出不同空間解析度，水平和垂直及對角線方向的邊緣子圖像，把滿足水平和垂直方向能量閾值區域進行合併，經過去噪后，用對角線方向能量閾值即高高頻能量作為判斷標準，確定是否是真正的字元區。
  10. In other words, the study of the history of academic studies should not be emphasized on the philosophical and ideological consideration but on the evolution and identification from the angle of scientific development, namely, on the account of the development and construction of a certain subject in terms of knowledge increase ( " learning " ) and methodology ( " technique " ), which, undoubtedly, bears this and that relationship to the history of culture, politics, society and economy, and from which we are to see how the scholars of 17th, 18th and 19th centuries shuttled back and forth in the historical environment composed of the imperial count, schools, governments and financial supporters. these changes have surely reflected the alterations of the scholars, value orientation and knowledge system

    換言之，學術史的主要研究不應是哲學或思想的思辯，而是從學科發展的角度來衡量其是非價值，也即是從知識增長（ 「學」 ）和方法論（ 「術」 ）的角度來描述某一學科的發展與建設? ?它無疑與文化史、政治史、社會史或經濟史有這樣或那樣的聯系，而我們也正好將要看到， 17 、 18 、 19世紀的學者是如何在朝廷、書院、幕府與經濟贊助人所組成的歷史環境中穿梭的? ?這種變化真實地反映了學者的價值取向與知識系統的變化。
  11. Furthermore, unlike other algorithm, it is free of the definition of weight and estimation of parameters in order to get a realistic image, it is necessary to do processing works, such as transform of plot, hidden - line elimination, illumination, texture mapping, to the 3d models constructed through interpolation

    通過插值建立它的三維模型后，要得到真實感圖像，還必須對三維模型施以繪圖變換、消隱、光照、紋理映射等處理。
  12. In the conclusion part, with the environment of the modern china, the dissertation gives the premise of the evaluation on the judiciary independence in republic period, and at last gives the essential conclusion : the reform in the republic period is gradually changed, from reality to the exterior. this is the course from ideality to realism. this is a kind of choice which has local adaptation in mind

    在結語部分，本文立足於近代中國社會變遷的大環境，確立了評價司法獨立在近代中國歷史命運的前提條件，並在歷史追思和實證考察的基礎上，得出有關司法獨立在近代中國的發展歷程的基本結論：近代中國在對司法獨立進行價值追求的過程中，逐漸抽空其內在的生命，轉而崇拜其外在的空殼，並將這個空殼視為真實的存在，以便於使其依歸于中國的現實，實現其一種本土化的選擇目標? ?從理想到現實的轉換、從價值理念到工具理念的顫變。
  13. Edge detection and contour tracking are very important in computer vision. because the single pixel edges are needed in computer vision, an algorithm of edge detection and contour tracking is proposed using the good local character and multi - scale character of wavelet transform in the dissertation. the fuzzy algorithm is applied to pick the model maximum points, so that the single pixel edge can be obtained

    邊緣檢測和輪廓跟蹤在計算機視覺中有著重要的地位，利用小波變換良好的時頻域局部化特性和多尺度特性，針對計算機視覺中需要提取單像素的點線等邊緣的需求，本文提出了一種基於小波變換的邊緣檢測和輪廓跟蹤演算法，通過真正的邊緣點是模的局部極值點這一特點，應用模糊演算法對模極大值點進一步篩選得到單像素級的邊緣，並在邊緣跟蹤時，有效利用原圖像的信息，通過在小鄰域內尋找局部峰值對丟失弱邊緣進行了補償。
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