feature point 中文意思是什麼

feature point 解釋
特浙
  • feature : n 1 形狀,外形;特色;(特指)好看的外表;〈pl 〉臉形;五官;面目,容貌,面貌,相貌。2 臉面的一部...
  • point : n 1 尖頭,尖端;尖頭器具;〈美國〉筆尖;接種針,雕刻針,編織針;小岬,小地角;【拳擊】下巴。2 【...
  1. Using the way combining the mathematic morphology top - hat and gauss matched filtering can effectively reduce the influence of the inherent fovea and the marginal noise brought forth by the retinal camera caliber in retinal image and increase the precision of retinal image segmentation and feature point extraction

    文中提出了採用灰度數學形態學中的top - hat變換和高斯匹配濾波相結合的方法,用來有效的降低視網膜熒光圖像中固有的小窩現象及眼底照相機的口徑所引起的視網膜圖像邊界像素噪聲,極大的提高了圖像分割及特徵提取的精度。
  2. 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。
  3. The main steps include camera calibration, the matching of motion and stereo images, 3 - d feature point correspondences and resolving the motion parameters

    其主要步驟包括相機檢校、運動與立體影像的匹配、運動前後三維特徵點的對應以及運動參數的求解。
  4. And then the paper gives the image processing methods used in the geometrical parameter measuring system. according to the process of the image processing, it introduces the following three methods in order : image pretreatment method which consists of the average value of neighbour area and lowpass ; image segmentation method which involves threshold segmentation, edge detection, image thinning and edge connecting ; the image matching method consiting of picking up feature point, matching and rebuilding

    然後給出了在幾何量測量系統中所用到的圖象處理方法。依照圖象處理的過程,先後介紹了圖象預處理的方法,包括鄰域平均法和低通濾波法;圖象分割方法,包括二值化、邊緣檢測、細化以及邊緣連接等;圖象匹配的相關方法,包括特徵點的提取、匹配及重建。
  5. The tangent of the angle which is correspond with the feature point is the first feature invariant, and the three sides ' ratio of the triangle is the second feature invariant

    該方法根據三角不等式原理利用第三邊與另外兩邊之和的比值大小來確定角點,以特徵點和它相鄰的兩個特徵點所形成的兩條直線的夾角正切值以及三角形第三邊與另兩邊和的比值作為特徵不變量。
  6. In this paper, feature point extraction and tracking problem are put together in the research

    本文將特徵點的提取與跟蹤問題結合起來研究。
  7. A novel approach of large - scale surface 3d measurement is proposed which combine multiple view motion vision measurement, digital fringe projection measurement and iterative closest point registration. the measurement techniques is rapid, portable, easy to operate and large measurement area. compared with the existing methods, the accuracy of surface merged is not dependent on high accuracy of feature point measurement, but determined by iterative closest point registration

    論文提出了一種集成多目運動視覺特徵點測量、數字相移條紋投影曲面片測量和最近點迭代配準拼接的大型三維曲面測量新方法,具有快速、便攜和量程大的特點,與目前的集成系統相比,曲面配準拼接精度不依賴高精度的特徵點測量,而是採用多目運動視覺特徵點測量結果作曲面初始配準拼接,然後再通過最近點迭代法實現精確拼接。
  8. A cqpocs algorithm for fast feature point matching

    用於特徵點配準的快速聚類凸集投影演算法
  9. The pairwise matching of feature points in each resolution is the emphasis of our discussion. an improved method based on mapping is adopted to find the best match of each feature point. experimental results show that it can effectively reduce the number of wrong matches, thus increase the precision of image stabilization

    重點研究了金字塔每層中特徵點匹配問題,提出了利用前後映射尋找一一對應特徵點的方法,實驗結果表明,該方法能有效排除錯誤的特徵點配對,從而減少運動參數估計的誤差。
  10. Feature extraction algorithm, one of the most important areas in computer vision, is studied and algorithms of stereo and closed range photogrammetry are analyzed. this thesis proposes an algorithm of feature point 3d vision measurement from motion to use cycle computation and discard 2d & 3d outliers for the first time

    論文對圖像特徵點提取進行了研究;分析研究了立體視覺和近景攝影測量三維測量演算法;首次提出採用循環計算方法、剔除2d和3d錯誤點的運動視覺特徵點三維測量演算法。
  11. We have studied a new algorithm of feature point correspondence based on artificial landmark, solved the problem of feature point match between images

    論文研究了一種基於人工特徵圖標的圖像間特徵點自動匹配新演算法,較好地解決了對應點匹配問題。
  12. When feature point sets are extracted respectively from the two images, correspondence between the point sets is then established by a two - stage matching algorithm. this matching algorithm is based on the alignment metric and < wp = 4 > rmse ( root mean square error )

    對兩幅圖像分別提取廣義特徵點集之後,提出一種基於對齊度準則和根均方誤差的兩步匹配演算法完成同名控制點的建立。
  13. 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。
  14. Image pre - process is performed by use of median filter. the model of feature tracking window is built up, then, klt feature point detection and tracking algorithm is given out and feature point necessary conditions are discussed

    在利用中值濾波器對圖像序列進行預處理后,給出基於特徵的klt特徵點提取與跟蹤演算法,並且分析了特徵點必須滿足的條件。
  15. To resolve those problems mentioned above, in this paper the authors propose a global matching method based on combination of feature point and feature edge

    為更好地解決上述問題,本文提出了基於特徵點匹配與邊緣線匹配相結合的方法。
  16. With this method, a feature control - based adaptive finite element mesh, by feature definition, search of feature point, line and region, the feature - based mesh density control can be realized

    通過特徵定義及特徵點、線、域搜索,可實現基於特徵控制的自適應有限元網格密度分佈。
  17. The main achievements are summarized as follows : 1. based on deeply studying the feature of the gabor transformation, a characteristic vector for describing points " feature is defined with the gabor transformation to realize feature point extraction

    主要工作如下: 1 、深入研究了gabor變換的性質,利用gabor變換實現特徵點的提取,並且定義了一種描述點特徵的特徵向量。
  18. ( 2 ) the relation of each image feature point and the most evident curve membership is discovered, such relation can be used to reduce redundancy of parameter space, depresses computational effort and suppresses the false accumulator cells etc. the most evident curve membership is then fed to the original image space, the information of image pixels can be recovered, the shorter line can be found, the bad line can also be repaired and the pr ecision of beeline detection can be improved

    ( 2 )提出圖像特徵點與參數點一一對應的可能性,實現了圖像特徵點對應于參數空間某一最優參數點,減少了參數空間的冗餘量,降低了計算量,壓縮了偽累積點;並將最優參數點反饋回圖像平面,恢復圖像特徵點信息,可以檢測出較短線段,修補破損直線,提高了直線檢測的精度。
  19. Second, feature point detection and tracking form navigation image sequence is studied

    其次,對導航相機獲得的圖像序列進行特徵點的檢測與跟蹤。
  20. This extends the feature point from a simplex point to a feature region

    首先本文提出了廣義特徵點和狹義特徵點概念,將特徵點從單純的點拓展到特徵區域。
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