optical flow 中文意思是什麼

optical flow 解釋
光流法
  • optical : adj 眼的；視覺的；視力的；幫助視力的；光學（上）的。 optical activity 【物理學】旋光性。 an optic...
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  1. 4. an object detection method with em ( expectation maximum ) algorithm of dynamic layer representations is researched and improved. previous algorithm contains optical flow computation, affined transformation, and clustering algorithm, and it is not convenient for detecting object quickly

    4 .分析並改進了基於em （ expectationmaximum ）演算法的運動目標分層檢測演算法，早期演算法由於涉及光流場求解、仿射變換、聚類合併等復雜運算，計算量大，不適合圖像序列的快速處理。
  2. Optical flow is used for moving target detection

    運動目標檢測主要採用光流法。
  3. In order to extract the contour of active image and estimate 2 - d motion effectively, a method using snakes model, where initial contour of every frame is predicted by optical flow, is given in this paper

    本文提出通過計算圖像序列幀間的光流變化來修正snskes動態輪廓模型，從而成功實現對二維運動目標輪廓的成功估計和跟蹤。
  4. The second part of this paper deals with motion analysis which is called sfm ( structure from motion ) problem, that is, recovering the structure and motion of the object, two types of sfm algorithm are introduced - feature based and optical flow based. simulations for time to collision are done on image sequences formed by visible light and infrared image sequences. a new method called gate - average method based on the approach supposed by subbarao for the estimation of time to collision is presented

    論文的第二部分討論了紅外圖象序列的運動分析，介紹了兩類運動分析的方法- - -基於特徵的方法和基於光流的方法，並對可見光圖象序列和紅外圖象序列的碰撞時間進行了模擬，並根據subbarao的方法，提出了對碰撞時間進行門限均值處理的方法。
  5. The optical flow is estimated by measuring the displacement of sparse located corner points between consecutive frames

    首先在圖像序列中檢測和跟蹤角點。然後記錄角點在圖像序列中的位置。
  6. A better image segmentation method based on optical flow

    基於光流場的圖像分割
  7. Recovering three - dimensional motion and structure by using of correspondence of straight lines and the computational theory of optical flow for conic curve are expounded in article

    本文先介紹了基於特徵直線對應恢復剛體運動和結構參數的方法，然後闡述了有關曲線光流計算的方法。
  8. Application of optical flow in motion analysis for coronary artery in angiogram sequences

    光流法在冠狀動脈運動分析中的應用
  9. Assessment of coronary artery motion from angiogram sequence based on optical flow

    基於光流法的冠狀動脈造影圖像序列中血管運動的估計
  10. On the distribution of optical flow in airy speckle

    論愛里斑中的光流分佈
  11. In the thesis, the algorithm of background subtracting, frame difference algorithm, motion estimation based on optical flow field and object tracking based on active shape contour are investigated

    本文研究了背景相減演算法、差分法、基於光流場的運動估計和基於主動形狀模型的目標跟蹤演算法。
  12. The new algorithm starts from an initial estimate which is based on the hough transform, and a rectangular window is centered using the current line approximation, and a new line estimation is generated by making a total least squares fit through the pixels contained within the window. this is repeated until convergence is reached. lastly, we have suggested a new technique which may recover the motion and structure parameters of a moving object by using of 21 optical flow lines based on the optical flow fields of the feature line this thesis is the project supported by aeronautical foundation science ( no. 99f53065 ) and research center of measuring and testing technologies, and control engineering in nanchang institute of aeronautical technology ( no. 2001 - 15 )

    演算法的思路是：首先，在小區域內運用霍夫變換確定直線的初始值；其次，以直線的初始值所對應的直線為中心線，建立一個矩形框；最後，利用矩形框內所包含的邊緣點數據不斷地迭代直至收斂，從而達到進一步修正直線的坐標參數；本文基於特徵直線的光流場，即線流場，建立了一種利用21條光流線確定空間三維物體旋轉運動參數、平移運動參數以及對應的空間直線坐標的線性演算法。
  13. The method based on optical flow fields is a powerful one to vision motion analysis

    基於光流場的研究方法是視覺運動分析的有效手段之一。
  14. The main ways of visual motion analysis can be classified into feature based and optical flow based

    視覺運動分析分為基於特徵的方法和基於光流場的方法。
  15. In chapter 4, we discuss the method of vos abstraction based on temporal segmentation in detail. first we put forward affine modal, which is a kind of 3 - d motion modal of rigid body, compensate global motion vector based on this modal, and get the changed detection mask ( cdm ). then we introduce the conception of optical flow field, compute the local

    首先構建三維剛體運動的模型，提出一種計算模型的全局運動矢量的方法，並進行全局運動補償、變化檢測模板提取和連通域標記等步驟，然後引入光流場的概念，並介紹其計算原理和方法，用horn - schunck迭代法計算圖像中各點的局部運動矢量，並據此對變化檢測模板的結果進一步提取，獲得時域上分割的信息。
  16. Multi - motion object detection and tracking under fixed background on the condition of fixed background, mainly techniques are motion region extractions, feature description, feature recognition and moving analysis. as for the motion regions extraction techniques, one commonly used method in most papers is called adjacent difference or optical flow field iterations

    本文圍繞視頻序列處理技術進行以下研究：一、靜止背景下多目標運動檢測與跟蹤場景不變條件下多目標運動檢測分析，可分為多目標區域提取、目標特徵描述、特徵識別、運動分析等幾部分構成。
  17. A tag tracking method based on improved active contour model and optical flow

    基於改進的主動輪廓模型及光流估計的標記線跟蹤
  18. A linear method is derived to determine 3d structure and motion using corner point optical flow. the method has advantages over the traditional methods in algorithm. some experiments are designed to validate the linear method

    在3d運動和結構重建方面，本文改進了基於光流場計算3d運動和結構的線性演算法，通過光流運動模型的建立，推導出由角點光流場重建3d物體運動和結構的線性演算法。
  19. In the aero - optical flow field tomography measurements, all projection data of different direction must be simultaneous. and the laser nozzle flow field up - stream and down - stream strehl ratio simultaneous measurements have the synchronicity requirement. the working environment of high power laser is rigorous and complicated

    在考慮了由於氣動光學流場層析測量中的多個投影方向數據的同時測量、激光器噴管流場上游和下游同時測量的同步要求，以及高能激光平臺的復雜環境多方面因素的基礎上，考慮了硬體匹配的一些問題，設計了一套高速的線陣s - h傳感器。
  20. This thesis adopts a pyramid structure image registration method which is based on the optical flow, since it can provide a good registration for big shifted image

    本文採用了基於金字塔結構的光流場運動估計，因為它能很好地對大位移的圖像進行精確的配準。
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