視點坐標系 的英文怎麼說
中文拼音 [shìdiǎnzuòbiāoxì]
視點坐標系
英文
eye coordinate system- 視 : Ⅰ動詞1. (看) look at 2. (看待) regard; look upon 3. (考察) inspect; watch Ⅱ名詞(姓氏) a surname
- 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「、」)...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 視點 : point of sight; viewpoint
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Through analyses of epipolarity geometry of the linear ccd push - broom images and frame perspective images, based on the projection track method, epipolarity of linear ccd push - broom image is established and the properties of epipolarity curves is discussed, and a new epipolarity model based on the simplified push - broom sensor model is proposed. for stereo images of frame perspective and linear perspective, how to set up of epipolarity is studied in terms of fundamental matrix in computer vision, and an algorithm of epipolarity solution that only depends on coordinates relation of identical point is presented. 4
通過線陣ccd推掃式影像和框幅式中心投影影像核線理論的對比研究,利用投影軌跡法建立了線陣ccd推掃式影像的核線模型,分析和總結了它的基本特性;針對基於共線方程的簡化傳感器模型,提出了一種新的核線模型;對框幅式中心投影立體影像和線陣ccd推掃式立體影像,利用計算機視覺中的基本矩陣研究核線關系的建立,提出了一種單純依靠同名點坐標關系的核線模型解法; 4The implementation uses two - dimension images as input. the arrangement of light spots on the lunar rover and the imaging geometry of the camera are used to compute the three - dimension coordinates of the light spots in camera coordinate system, and after transformation, the world coordinate of the light points. we can then easily get the coordinate value of center of mass of the rover after averaging the world coordinate value of light points
本文構造了一種光點配置單目ccd演算法,它以計算機視覺系統採集的二維圖像信息作為輸入,直接利用光點的幾何配置條件和攝像機成像幾何關系,求解出光點在ccd攝像機坐標系下的三維坐標,並經過坐標變換,轉化為在世界坐標系下的坐標,然後取其平均值,從而得出月球車的中心位置。The vision sensor is fixed on the end - effector of the robot. when the robot makes a linear movement along the " v " measurement track, the linear light from the laser electropult on the sensor is projected on the track to shape laser strip with three turning dots and imaged in ccd camera. the relation between the sensor coordinate and the measurement track coordinate can be computed by image processing and pose measuring, which indirectly describes the characteristic of the robot ' s linear trajectory
該系統利用結構光幾何成像原理和視覺圖像處理技術,將視覺傳感器固定在機器人末端,當機器人沿「 v 」形測量軌道做直線運動時,傳感器上的激光發射裝置發出的線狀光源投射在測量軌道上,形成具有三個拐點的激光條,並在ccd攝像機中成像,通過圖像處理技術和位姿測量技術,得到傳感器坐標系相對于測量軌道坐標系的位姿關系,從而間接描述機器人的直線軌跡特性。Object location is defined as coming up with three - dimensional coordinate expression through binocular vision model analysis using geometrical relationship depth map generalization is the course of visualizing depth information
目標定位是通過雙目視覺模型分析,利用空間幾何關系,最後提出了目標點的三維坐標計算表達式。This paper stated how surgical robot uses binocular vision system to get three - dimensional position and orientation of the laryngoscope through gathering the three - dimensional coordinates of three marked points on the laryngoscope, and then the research of cmera calibration experiment and vision guidance experiment before the animal operation were done
摘要詳細論述了醫療機器人如何利用雙目視覺系統,通過採集喉鏡上3個標記點的三維坐標,獲得喉部手術前支撐喉鏡的三維位姿信息,並進行了攝像機標定實驗與動物手術前視覺導引實驗的研究。Innovation of the aero maintenance system based on augmented reality ( ar ) technology and eye tracking technology, which can give real - time instruction for maintenance, is vital for enhancing the accuracy of maintenance and reducing the cost of maintenance. in the paper, the study work include 3 sections, as following : firstly, deducing 3d registration algorithm based on markers, depicting the display and 3d display technologies of artificial matters, and realizing 3d registration function specifically ; secondly, establishing an eye - movement measurement system based on the infrared television method, making use of the thoughts of ranks superimposition to withdraw the pupil center coordinates, and giving the thaught of recombining the position relation of purkinje spot to determine the eye sight direction primarily ; finally, describing the basic theory of augmented reality maintenance guiding system in detail, and introducing the software function and hardware frame, which will provide the foundation for the further study of this system
本文的研究工作主要包括以下三個部分:首先,改進了有標志點的三維注冊演算法,並具體實現了三維注冊功能,最後試驗驗證了注冊演算法的正確性,為將來基於無標志點的發動機維修誘導系統的研究提供基礎和實踐經驗;其次,描述了基於紅外電視法的視線跟蹤系統的基本原理,對眼動信號處理技術做了初步的研究,即利用了行、列疊加的思想提取了瞳孔中心坐標和普爾欽( purkinje )斑點的坐標,闡述了結合瞳孔中心與普爾欽( purkinje )斑點的位置關系進行初步判定視線方向的方法;最後,詳細描述了所構建的增強現實維修誘導系統的基本原理、軟硬體框架,為今後維修誘導系統的深入研製提供基礎。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 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。On the basis of the probability density function of the disparity gradient, the mutual coordinate constraint of the corresponding points of the two adjoing points in the continous edge of the left image was educed, then the search area of the matching point in the right image was limited
由視差梯度的分佈密度函數,導出了左圖像連續邊緣上相鄰兩點在右圖像中的對應點的坐標間的相互約束關系,從而限定了右圖像中匹配點的搜索范圍。In the motion detection a method which is based on time and space is used for it can detect harmful invade object in spite of surroundings inteferre. in addition, after got the image of objects, the rectangle frame technique is used to fill the hole. in my design another part is multi - objects image tracking which is a new technique and it integrates image processing, automatic control and computer science. this technique can automatically acquire objects from image signal, get objects " position information then track them with the aid of dome
本文中提出了若干有價值的新思想、新方法,完成了以下內容:首先,提出了數字視頻監控的功能結構,描述了數字監控系統的組成、特點和發展現狀;然後研究了適合於跟蹤監控的攝像機坐標系,提出了一種雙角度攝像機坐標以適合本系統的實際應用;討論現場圖像的預處理,其中包括灰度級變換、噪聲濾波和圖像恢復;在運動監測中,比較了幾種常用的運動檢測方法的優缺點,提出了一種基於時域和空間域的圖像檢測方法;另外,在得到運動物體的圖像時,採用矩形框技術填充由於差分圖像造成的孔洞,此方法簡單可靠,有較大的實用性。The arithmetic, which aimed at the character of object localization and tracking of robot vision system with one camera and based on characteristic color as object character and applied figure distinguishing arithmetic and object edge detection, completed object localization and tracking by obtaining position feature point coordinate on image plane
此演算法針對單攝像機機器人視覺系統目標定位與跟蹤的特點,基於特徵顏色為目標特徵,輔以形狀判別演算法和目標邊緣檢測,通過獲取目標物體在圖像中的位置特徵點坐標,來完成對目標物體的定位與跟蹤。This paper is mainly about a three - d coordinate measurement system, which is based on intersection converge imaging principle, using space probe. this system has a simplified structure and no rail restrict, with the advantage of both the classical three - coordinate machine and the visual method
該系統結構簡單、無導軌約束,結合了傳統的三坐標測量機與視覺檢測測量的特點,實現了接觸式測量和非接觸式測量的結合,從而在更大程度上發揮了兩者的優點。Parallex bump mapping is a new technology to archive the target that renders wrinkle surface of high quality with a relatively low cost. it uses a much smart way that offsets the surface ' s texture coordinates than the ordinary displacement bump mapping technology that offsets the surface ' s geometry vertex instead. we will propose a bulk of idea to improve this technology ' s performance and quality
視差紋理映射技術是新近提出的實現物體表面粗糙感的一種凹凸映射技術,它是對目前因計算量過大而無法應用於實時渲染系統中的位移映射技術的改進,這種技術不是對物體表面的頂點進行偏移,而是藉助于高度圖對紋理坐標進行偏移,從而近似達到位移映射技術的效果。In the fvcmm proposed in this paper, a special designed rectangular grid mark is required to be attached to the surface of the object. the grid nodes on the surface are treated as measurement marks. the 3 - dimensional coordinates of these grid nodes are calculated through processing the grid images which captured by four cameras
本論文提出的基於網格標記的四目視覺坐標測量系統的模型首先需要在被測量物體上覆蓋一層特殊的網格,把網格點作為測量特徵點來處理,通過對帶有網格標記的圖象對的處理、計算,得到網格點的三維坐標。分享友人