點陣匹配 的英文怎麼說
中文拼音 [diǎnzhènpīpèi]
點陣匹配
英文
lattice matching- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 陣 : 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...
- 匹 : Ⅰ動詞(比得上; 相當; 相配) be equal to; be a match for Ⅱ形容詞(單獨) lone Ⅲ量詞1. (用於馬、騾等) 2. (用於整卷的綢或布)
- 配 : Ⅰ動詞1 (兩性結合) join in marriage 2 (使動物交配) mate (animals) 3 (按適當的標準或比例加以...
- 匹配 : 1. [書面語] (婚姻配合) mate; marry 2. [電學] matching
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In the self - calibration scheme, the thesis emphasizes the accuracy of camera intrinsic and extrinsic parameters. we presents an accurate f method based on corresponding point adjustment. the method adjusts coresponding points according to the fixedness of projective transformed cross ratio, then calculates f matrix accurately through linear and non - linear methods. when computing intrinsic parameter, a matrix, we simplify the step, and stress on the two important parameters of a. the result will be getten through solving kruppa equation based on svd decomposition. in order to compute extrinsic parameters, we use linear method to get initial r and t, then apply non - linear method to accurate them
提出了基於匹配點調整的f求精方法,先根據攝影交比不見性對手工選擇的匹配點進行調整,再用線性、非線性結合的方法求精f矩陣;在計算內部參數a中,進行了一定的簡化,把重心放在a中重要的兩個參數上,用svd分解法計算kruppa方程;在計算外部參數時,首先用線性法求解r 、 t ,然後再用非線性法迭代求精。The simulation results show that the feature point detection and tracking algorithm is feasible. next, matched points based essential matrix estimation is studied. the spacecraft attitude and position parameters are derived from essential matrix and the scale of motion is recovered with range information from laser ranger taken in account
再次,研究基於匹配特徵點對的本質矩陣的估計演算法,給出了由本質矩陣求取空間探測器的姿態信息和位置信息的方法,並且結合激光測距儀信息,得到探測器的運動比例參數,實現軟著陸過程的導航。Through a deep study over the epipolarity based on the projection track method, the author puts forward the approximate line constraint method of dynamic epipolarity, and sets up constraint conditions of epipolarity in linear ccd push - broom stereo image matching, and proposes an imaging constraint method on the basis of application analysis of epipolarity, and taking imaging characteristics into account. 5
通過深入研究基於投影軌跡法的核線模型,提出了動態核線的近似直線約束方法,建立了線陣ccd推掃式影像立體匹配的核線約束條件;在核線應用分析的基礎上,結合影像立體成像的特點,提出了一種基於核線的成像約束方法。Regular point images of lcd are projected to the measured surface. the images modulated by the surface are received by binocular vision sensor. a special image processing software is developed to deal with the lcd images
系統利用液晶投射空間規則編碼點圖案到被測曲面,由雙目傳感器接收經曲面調制的測量圖像,經專用設計的圖像處理軟體,採用粗、細匹配技術精確獲得特徵匹配點,利用視覺技術得到三維數據點陣。By the method of matrix optics, the waist width and imaging distance of gaussian beams through the coupling system are calculated. by the result of the calculation, a set of double planoconvex lens coupling system are designed and manufactured. the coupling efficiency is up to 92 %
利用矩陣光學的方法,計算了高斯光束經耦合系統聚焦后的像距和束腰寬度,以此為指導設計加工了一套雙平凸鏡耦合系統,耦合效率達92 ;在以上基礎上研究了泵浦光與振蕩光在激光晶體中的匹配,計算出了泵浦光經耦合系統后的最佳焦點位置。As composite material are widely used in navigation and physical education equipments for high comparing intensity and module, even it has the approxi - mate zero expanding coefficient, as the same time, configuration of composite has been aroused attention by scientific researchers, the goal of them is to find an integrated structure with high efficiency and intelligent and many function all along. grid structure is the right structure with the high efficiency, the researchers overseas have been studying the structure for many years, which manifests it has many excellent nature ; existing research indicate it has higher stiffness and intensity. the form can be detected in health easily for its open shape
復合材料具有高的比強度和比模量,同時又具有近於零的熱膨脹系數和良好的尺寸穩定性等優良性能,已經廣泛應用於航天航空事業和體育器材生產工業,與此同時,尋求一種高效的、低成本的、並將智能化和功能化集於一體的結構形式,一直是航空航天追求的目標,具有點陣結構的復合材料格柵結構正是這種高效的結構形式,表現出多項優良性能;國外對其進行了大規模的理論分析和一些數值模擬研究,已有的研究表明該結構具有良好的可設計與自動化生產性能而無材料之間匹配問題,開放式的結構形式為結構的健康檢測提供了便利,具有廣闊的應用前景。3 、 chinese words divided syncopation technology is the difficulty of the query technique based on phrase. some divided syncopation such as mechanical matching method, feature phrase library method, restriction matrix method, syntax analysis method and comprehended syncopation method are emphasized
對其中的幾種方法,如機械匹配法(即mm法) 、特徵詞庫法、約束矩陣法、語法分析法和理解切分法等做了詳細的比較和分析,並歸納出各自特點。To the complete character use the image which representation by matrix, making the subtraction between the matrix of capture image and the matrix of template, the result matrix which absolute sum of its all elements is the smallest is the recognition result. to the incomplete character, using two lines of 0 ~ 9 as template, then carry on the recognition using the template matching. to the scale division recognition, using the central position of it, distinguishes the long scale division expression is merely 0 perhaps 5
對完整字元,採用將圖像用矩陣表示,利用獲取圖像的矩陣與識別模板的矩陣做減法,結果矩陣的所有元素絕對值和最小的即為識別結果;對不完整字元,針對電度表讀數的具體特點,採用將兩行0 ~ 9的字元圖像排列起來作為模板,利用模板匹配法進行識別;對于刻度的識別,利用刻度的中心坐標位置,僅僅識別長刻度表示的是0或是5即可。A method to estimate image corresponding and fundamental matrices simultaneously is presented, which reduces wrong correspondings and improves accuracy of estimated fundamental matrices
為了減少錯誤匹配和提高基本矩陣估計的精度,本文提出了同時計算特徵點的匹配和估計基本矩陣的新方法。Artificial feature landmark is first leaded into vision computation in this paper. our approach is to extract marker points and to use correlation to find an initial set of matches, then use relaxation, robust recover epipolar geometry and reprojection to discard false matches in this set and find more matches
首次將人工圖標引入視覺計算,通過提取人工特徵點,採用灰度相關法進行初始匹配,再利用鬆弛法、魯棒估計基礎矩陣恢復極線約束和結構再投影法剔除錯誤匹配點、尋找更多匹配對。The existing algorithms usually add damping term of the form. xlog. x into their objective function in order to control matching matrix ' s entropy. the shortcoming is that the two - way constraints need to be enforced by using sinkhorn method
這類演算法為了控制匹配矩陣元素的熵,通常在目標函數中加入xlogx形式的阻尼項,其缺點是需要用sinkhorn交替歸一化方法或其它方法使匹配矩陣滿足雙向的行列約束。Secondly, two improvements are made in the fuzzy point - matching algorithms. the first is converting matching matrix ' s one - way constraints to two - way constraints, so the situation of modal point - set and target point - set having outliers can be dealt with now
( 2 )對現有的模糊匹配演算法進行了改進:首先將匹配矩陣滿足的單向約束改成雙向的行列約束,從而可以處理模板點集和目標點集都有出格點的情形。This leads to too slow adaptations in the means and the covariance matrices, therefore the tracker can fail within a few seconds after initialization
這就會導致距陣多個中心點匹配過慢,並且導致初始化后幾秒鐘內搜索追蹤系統中斷。To recover scene structure from motion, firstly the relation between sequential images must be set up through three steps as feature point extraction, corresponding matching and estimation of fundamental matrices
要恢復場景三維形狀,首先必須建立序列圖像之間的聯系。其中包括特徵點的提取,特徵點的匹配以及基本矩陣的估計。分享友人