射影矩陣 的英文怎麼說

中文拼音 [shèyǐngzhèn]
射影矩陣 英文
projection matrix
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : Ⅰ名詞1 (物體擋住光線后映出的形象) shadow 2 (鏡中、水面等反映出來的物體形象) reflection; image...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
  • 矩陣 : [數學] matrix; array
  1. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於幾何理論,論文圍繞3d不變特徵的提取和應用進行了如下的研究工作: ( 1 )系統總結了幾何中的若干基礎概念,包括:透視成像的相機模型、對應、交比不變量、基於不同幾何變換下的不變量的簡單對比、對極幾何中的基礎、對極點、對極線等。
  2. The projector and beam of light represent the elohim creator beings consciousness, the celluloid and focusing device on the projector represent the template and its synchronization function, the screen represents the magnetic receptacle or matrix which will receive the higher image, and the image ( projection ) is the creation itself

    機和光束表徵了耶洛因創造者的存在意識,投機上的賽璐珞和聚焦裝置表徵了生命模板和它的同步功能,銀幕表徵了磁場容器或能量,能量可以接受到更高級的圖像,而圖像(投)就是創造物本身。
  3. The aim of projective reconstructing is to estimate the position and direction of cameras through matching points in different images so lay the foundation for further reconstructing. on the basis of current methods of projective reconstructing, we used the levenberg - marquardt method to optimize the result of linear method so the precision is be improved, and we use the bundle adjustment method to entirely optimize the structure of scene and projective matrixes

    本文在研究已有重建演算法的基礎上,利用l - m演算法對基於基礎重建演算法得到的線性結果進行優化,提高了演算法的估計精度和穩定性,並在求得所有圖象對應的投后利用bundleadjustment方法對空間結構及投進行全局優化。
  4. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投迭代方法( pim )將三維導體目標的阻抗剖分成小,通過迭代計算出表面電流和雷達散截面,並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散特性。
  5. Two spherical waves and multiple spherical waves interference, and yang ' s interference experiments are simulated by using different methods. two spherical waves interference is focused on the on - plane or out - plane of the spot light source plane and the observing plane. then, we analyze how the temporal coherence of optical waves influence the contrast of the interference pattern

    用光波波前疊加的方法實現了對兩列球面波干涉、多光束干涉等實驗的模擬;用傳播描述衍光波波前傳播的方法對楊氏雙縫和雙孔干涉實驗進行了模擬,並具體詳細地分析了單縫衍對雙縫干涉的響;另外還分析了光場的時間相干性對干涉條紋反襯度的響。
  6. It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile. in addition, the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed. in the molecular multi - level system with the perturbed superposition levels, we discuss the electromagnetically induced transparency, spontaneous emission enhancement, double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation

    針對實際的實驗條件,考慮了一種響量子干涉的新的因素-四波混頻場,研究了四波混頻場對雙光子探測的-型能級體系的eit的響,發現四波混頻場能夠導致雙光子探測的eit線型的不對稱,在此基礎上,討論了不同探測場的傳播方式對eit的響,針對分子中實際存在的包含有微擾能級的不同多能級系統,我們分別採用綴飾態繪景下的密度方程和weisskopf - wigner近似下的密度方程詳細地討論了電磁感應透明、自發輻的干涉相消和相長、雙暗態共振和雙電磁感應透明現象。
  7. In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated

    ( 2 )擴展了2d變換的求解方法,將單純利用點集對應的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個平面的對應關系;總結了平面上基於點、直線元素可求解的多種3d不變量;提出了雙視圖下由點、直線元素的多種對應關系求解2d變換來構造「虛元素」的方法,結合「實元素」和「虛元素」可以提取更多的空間3d不變量。
  8. We use a scaling matrix which make the algorithm generate sequences of point in trust region and the interior of the feasible set. because of the boundedness of the trust region, trust region algorithm can use non - convex approximate models

    構造合理的仿變換,在投空間構造信賴域子問題,產生迭代方向,使迭代點既保持在信賴域內,又是嚴格可行域的內點。
  9. Expatiate the substance of projective reconstruction is solving fundamental matrix, substance of affine reconstruction is solving infinite homography or infinite plane and substance of metric reconstruction is solving absolute conic images

    闡述了重構的實質是求解基本,仿重構的實質是求解無窮遠平面或無窮遠平面單應,歐氏重構的實質是求解絕對二次曲線的像。
  10. In the first part, depending on three or more images, the main research work are listed as follows : ( l ) using svd decomposition to realize projective reconstruction ; ( 2 ) realizing camera self - calibration by solving kruppa ' s equation ; ( s ) recovering euclidean reconstruction from projective reconstruction. depending on only two images, the main researches are : ( l ) making out infinite plane homography matrix by using scene structure information, then recovering affine reconstruction from projective reconstruction ; ( 2 ) making out the absolute conic images by using scene structure information, and then recovering euclidean reconstruction from projective reconstruction

    在第一部分中,針對三幅及三幅以上的圖像,主要研究:利用奇異值分解( svd )實現重構,通過求解kruppa方程實現攝像機自標定,由重構恢復歐氏重構;針對只有兩幅圖像的情況,主要研究:利用場景結構信息求解無窮遠平面的單應,由重構恢復仿重構,利用場景結構信息求解絕對二次曲線的像(等價于標定攝像機) ,由仿重構恢復歐氏重構。
  11. We systemically discuss how to uniquely decide an infinite plane homography matrix by using the structure information in scene and how to evaluate a homography matrix which convert affine reconstruction to euclidean reconstruction by solving absolute conic images. we give three constraints of absolute conic images and use these constraints to evaluate absolute conic images and then to rec

    系統地討論了如何利用場景中的結構信息,來唯一地確定無窮遠平面的單應,進而由重構恢復仿重構,以及如何通過絕對二次曲線的像求解將仿重構變換為歐氏重構的單應
  12. Effect of disorder on transmission spectra of two - dimensional photonic crystals with transfer matrix method

    用轉移法研究無序對二維光子晶體透譜的
  13. Using the transfer - matrix - method simulation, the transmission spectrum in such one dimensional ( 1 - d ) systems including three defects is calculated, and the influence of the interaction between defects on defect modes is discussed

    利用傳輸方法計算了含有3個負折率缺陷的一維光子晶體的透譜,討論了缺陷間的相互作用對缺陷模的響。
  14. This paper applies transfer matrix method to calculate transmission coefficient of one - dimensional dual photonic crystal numerically simulating the effects of many factors on the transmission spectrum of one - dimensional dual photonic crystal

    摘要用傳輸方法研究了一維二元光子晶體在可見光區的透特性,數值模擬多種因素對一維二元光子晶體的透譜的響。
  15. We propose an algorithm of recovering euclidean reconstruction from projective reconstruction if the camera intrinsic parameters are known. first solving a non - singular matrix which satisfies euclidean reconstruction conditions and then we convert the projective reconstruction to euclidean reconstruction by the matrix

    在攝像機內參數己知的情況下,提出一種從重構恢復歐氏重構的演算法,先求解一個滿足歐氏重構條件的非奇異,然後通過此重構變換為歐氏重構。
  16. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了相關參數對展寬比的響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發輻現象( ase )進行了分析,並提出了相應的解決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。
  17. After obtaining correct projective depths, we decompose the measurement matrix into camera motion in projective space and projective reconstruction by svd

    在獲得正確的深度后,通過奇異值分解將測量分解為空間下的攝像機運動和物體三維幾何形狀(重構) 。
  18. Taking the measurement matrix rank 4 as the constraint, we propose two methods to estimate projective depths iteratively : ( l ) the algorithm of estimating projective depths based on conjugate gradient method ; ( 2 ) the algorithm of estimating projective depths based on genetic algorithms

    以測量的秩為4作為約束,以仿逼近透視投,提出了以下迭代估計深度的演算法:基於共軛梯度法的深度估計演算法,基於遺傳演算法的深度估計演算法。
  19. In this thesis, the spectral characteristics of a fiber grating are analyzed by using the coupled mode theory. the influences of various structural features such as the length, chirp, coupling coefficient and aperdization to the spectral characteristics were studied numerically with a transfer matrix method. the reflective spectral responses for fiber bragg gratings with different aperdization are analyzed, and the optimal aperdization is ob tained

    首先論文利用耦合模理論對光纖光柵的光學特性進行了詳細的分析,在對比了龍格庫塔法和傳輸法這二種常用的分析方法的基礎上,選擇傳輸法著重研究了光纖光柵長度、啁啾系數、耦合系數以及各種切趾函數與其反譜譜寬、反率極值、時延、色散等特性的相互關系及響。
  20. W - based fog is used when a perspective projection matrix is specified, but affine projections still use z - based fog

    如果指定了透視投,將使用基於w的霧化,但仿仍然使用基於z的霧化。
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