radial distortion 中文意思是什麼

radial distortion 解釋
徑向畸變
  • radial : adj 1 光線的;光線狀的。2 放射的,輻射(狀)的。3 鐳的。4 【數學】半徑的;【物理學】徑向的;【解...
  • distortion : n. 1. 歪扭,扭曲。2. 【電學】(信號、波形等的)失真;【物理學】(透鏡成像產生的)畸變;【醫學】扭轉,變形。3. 竄改,歪曲,曲解。adj. -al
  1. A remedy method of radial distortion of ccd camera

    攝像機徑向畸變的校準方法
  2. A camera self - calibration algorithm based on active vision taking account of camera two - degree radial distortion

    一種考慮二階徑向畸變的主動視覺自標定演算法
  3. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求
  4. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響,並採用描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。
  5. Camera calibration with radial distortion and its application in 3d reconstruction

    考慮徑向畸變的攝像機標定及在三維重建中的應用
  6. The accurate calibration methods of stereo cameras are studied, the way of erasing the radial distortion of cameras has been discussed and proved in experiment

    本文研究了立體攝像機精確定標方法,探討並驗證了攝像機鏡頭徑向畸變的消除方法。
  7. The optimization algorithms in conventional calibration field have the shortcoming that the computing quantity is huge. in order to improve it, a single adaptive neuron algorithm was developed in conventional camera calibration in this dissertation, and a calibration algorithm considering radial and tangent distortion based on single adaptive neuron is proposed

    傳統的標定演算法中各種優化演算法存在著計算量大的不足,本文將單個自適應神經元應用到攝像機傳統標定中,提出了一種考慮徑向畸變和切向畸變的攝像機標定演算法,它與其他優化演算法相比具有簡單實用、計算量小的優點。
  8. Since the camera lens used in computer vision sustain a lot of nonlinear distortion, recent research efforts has been concentrated on the distortion correcting technique. the optimization algorithms in conventional calibration field have shortcomings that the computing quantity is colossal. in order to improve it, tsai two steps ’ algorithm was developed in conventional camera calibration in this dissertation, and a calibration algorithm considering radial distortion

    由於攝像機鏡頭存在著畸變,對于要求精度定位的應用,需要進行畸變校正,而傳統的標定演算法中存在著計算量大的不足,本文採用tsai氏兩步標定法是考慮一階徑向畸變的攝像機標定演算法,與其它優化演算法相比具有簡單實用、計算量小的特點,並通過實驗驗證了該演算法的可靠性和有效性。
  9. Error correction method based on slope for camera radial distortion

    一種基於斜率的攝像機畸變校正方法
  10. - 2. in order to accomplish the extraction measuremellt of distorted wavefront on specific plane of a laser beam, a crsi ( cyc1ic radial shearing interferometer ) based on relay imaging technique was built. the experiinental result on this crsi shows it can used to test the spatial mid and low frequency wavefront distortion

    二、為了實現激光光束在確定平面上的波前畸變的準確檢測,採用中繼成像技術建立了一套基於空間相位調制的環路徑向剪切干涉波前傳感硬體系統,實驗證明,它可用於中低頻段波前畸變的檢測。
  11. Based on this algorithm a self - calibration approach taking account of camera two - degree radial distortion is proposed. the five intrinsic parameters and two - degree radial distortion coefficients can be calibrated by controlling the camera to undergo more than 4 translation motion which are not co - planar

    在此基礎上還提出了一種考慮二階徑向畸變的非線性自標定演算法,通過控制攝像機作四次不共面的純平移運動,可以標定攝像機的五個內參數和兩個徑向畸變系數。
  12. A simple and precise method for radial distortion calibration

    一種簡單而精確的徑向畸變標定方法
  13. Quality evaluation of optical systems ; determination of radial distortion

    光學系統的質量評定.徑向失真的測定
  14. Coefficient of radial distortion

    徑向畸變系數
  15. Digital camera calibration and 3d reconstruction based on nonlinear model radial distortion

    基於徑向畸變的數碼相機標定及三維重建
  16. At present, radial distortion of image affect to image processing in imaging by digital camera

    在目前的數碼相機條件下,影響圖像處理的主要是圖像中的徑向畸變。
  17. Based on the distortion model in which the radial geometric distortion is considered as the chief factor, a general correcting method that is independent of interior parameters of the imaging system, is given and discussed in this paper via a detailed analysis of the factors which largely influence the accurate measurement of distortion parameters

    以徑向幾何畸變為主的非線性幾何畸變模型為基礎,通過對影響畸變參數測量精度的各種因素的分析,提出了一種不依賴于成像系統內部參數的迭代演算法。
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