攝影坐標 的英文怎麼說
中文拼音 [shèyǐngzuòbiāo]
攝影坐標
英文
plate coordinate- 攝 : Ⅰ動詞1 (吸取) absorb; assimilate2 (攝影) take a photograph of; shoot 3 [書面語] (保養) cons...
- 影 : 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...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 攝影 : 1. (照相) take a photograph; shoot 2. (拍電影); shoot a film; film
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At the beginning, the basic theory of plane measurement ? some basic elements in planar projective geometry, including 2d protective plane, homogeneous coordinates and homography are introduced. the pinhole camera model and the basic algorithm of image measurement are discussed
首先介紹了平面測量問題的理論基礎? ?平面射影幾何的一些基本元素:射影平面,齊次坐標,平面單應等,接著討論了攝象機針孔模型以及基於圖象的平面測量基本原理。Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。Analysis of the precision accuracy of the photospot coordinate in parallel photogrammetry
平行攝影測量像點坐標的精度分析It is also the important content of the aerial photography information management system, the fundamental method of utilizing gps for navigation and aerial photography are discussed, by the theory, we get the formulas of gps kinetic positioning and give a brief introduction of work method in practical production
結合gps定位技術在航空攝影中的應用,介紹了利用gps導航和攝影的基本方法及gps動態定位的原理,本文利用gps動態定位的原理,推導了確定攝影站坐標的公式,並且對實際生產中的作業方法也做了簡單的介紹。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。In this paper, it is proved that, given 3 control points a, b and c, if the camera s optical center o lies on one of the three planes perpendicular to the plane abc and going through one of the three altitudes of the triangle abc, and additionally its projection on the plane abc is within the circumscribed circle of the triangle, that is, o is within the so - called danger cylinder, then the corresponding p3p problem - o, abc - must have 4 positive solutions
Pnp perspective - n - point問題是計算機視覺攝影測量學乃至數學中經典而重要的問題之一,所謂pnp問題,就是指如下的物體定位問題:假定攝像機為小孔模型且已標定好,攝取一幅在物體坐標系下坐標已知的n個空間點的圖像,且這n個圖像點的坐標已知,確定這n個空間點在攝像機坐標系下的坐標。In this paper we made a systemic analysis and study of the accurate orientation technology in the process of helicopter landing - photogrammetry, made the model of using double ccd to measure the exact position of helicopter based four latent points photogrammetry, educed formula about beaconing position, analyzed the computing error, and particularly computed the information of beaconing position of the helicopter ' s landing by experiment emulation. in the result, the error between a computed value and a measurement value was less than 5 centimeters
本文對直升機著艦精確定位技術中的攝影測量演算法進行了系統分析和深入研究,在四特徵點測量演算法基礎上建立了雙ccd攝影測量直升機精確位置坐標的數學模型,進一步從各個影響演算法測距精度的方面討論了計算誤差,推導出測量信標坐標位置的計算公式,並對利用雙攝影測量演算法計算直升機著艦掛鉤位置的正確性及準確性進行了模擬實驗,得到的演算法計算值和實驗測量值之間的誤差在5cm以內。In this paper, the contents and the methods of the impacting test to the particle separator vortex blades by the foreign object are introduced, the ultra dynamic strain device is used to carry on the measure of this experiment and obtained the strain - time history, three dimensional coordinate measuring method is used to measure the remaining distortion of the vortex blade, and the high speed photographic apparatus is used to carry on the photography of the impacting experiment
本文介紹了對粒子分離器渦流葉片進行外物撞擊試驗的內容和方法,採用超動態應變儀對外物撞擊試驗進行了測量,獲得了渦流葉片不同外物撞擊下的應變-時間歷程,採用三坐標法測量了外物撞擊后渦流葉片的殘余變形,並採用高速攝影儀對外物撞擊渦流葉片的全過程進行了拍攝。In the tracking of whole body, a model is described according to the body shape. using this model, simple and complicated movements such as walking and throwing motion are labeled, and the 2 - d coordinates of joints can be got. at last, the 3 - d positions of joints are obtained by the model of perspective projection combined with the relationship among joints, and human motion is recovered by 3 - d stick model
在對全身運動跟蹤中,根據人體的形狀特徵描繪了人體區域模型圖,對全身步行及體操動作進行了二維跟蹤和標定,之後再利用攝像機的透視投影模型、人體關節間的骨骼連接關系和比例參數,把關節點在圖像序列中二維坐標恢復為三維坐標,最後用棒狀圖恢復了人體的三維結構。Terms, symbols, coordinate system and functional notations for photographic density measurements
攝影密度測量的術語符號坐標系和函數表示法Chapter 2 detailed introduces the principle and execution of dcp, discusses whether the way to directly calculate the equations is right from both on theory and practice, and studies the cause to position calculation error
第二章詳細介紹了雙攝影測量演算法( dcp )的原理和實現,從理論和具體實現上分別對直接求解方程組法進行了討論,並且就演算法計算位置坐標的誤差原因做了系統分析。Taking account of the perturbation of the earth ’ s shape, the gravitation of the sun and the moon, the radiation pressure from the sun light and atmosphere drag, a precise orbital dynamic model of spacecraft is established in the equatorial geocentric inertial coordinate system ( j2000 )
考慮了地球形狀攝動、日-月引力攝動、太陽輻射壓力和大氣阻力因素對飛行器的影響,在地心赤道慣性坐標系下建立了精確的軌道動力學模型。Firstly, this paper presents the coordinates and time system for discribing satellite motion, and then gives the models of orbit and attitude and satellite relative motion, considered the j2 perturbation
本文首先給出描述衛星運行所需的時間系統和坐標系,然後建立衛星軌道、姿態動力學模型和基於軌道根數的衛星編隊飛行相對運動方程,並考慮j2項攝動的影響。Photogrammetric coordinate system
攝影測量坐標系Confronted with the problem of unknown inner and outer orientation elements of the camera when non - mearsured camera is used for photogrammetry, a mobile framework is designed to supply controlled coordination in the research. so the coordination of the key points on the surface of the mobile framework is achieved in the way of 3 - d industrial measurement, and the analysis & disposal of the tolerance of the measured coordiantion is accomplished
對于運用非量測相機進行攝影測量時所面臨的相機內、外方位元素未知問題,在研究中設計了可以提供控制坐標的活動控制架,用三維工業測量的方法測得控制架表面的控制點坐標,並對測得的坐標進行了誤差分析和處理。We designed the beacons plane, used proper infrared ccd and designed real hardware circuite based on the dsp, which can be used to simulate and experiment on precision positioning algorithm by computer
設計了適當攝影測量演算法的信標點平面,採用了紅外波段的ccd ,以dsp為核心器件設計了信標點像平面位置坐標提取的硬體電路。In the second chapter, coordinate transformation 、 camera projection model and robot control, which are the basic knowledge about visual servoing are described
第二章介紹了視覺伺服系統的相關基礎知識,其中包括坐標變換、攝像機投影模型和機器人控制等相關理論。分享友人