lens distortion 中文意思是什麼

lens distortion 解釋
光學變形
  • lens : n (pl lenses)1 透鏡;一組透鏡。2 【解剖學】(眼球的)晶體。3 【攝影】(照相機的)鏡頭。4 凸透鏡...
  • 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. Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic, enter pupil excursion and f6 characteristic error are ignored, that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically. for deducing the distortion, error compensation is considered in the software

    像點坐標與振鏡擺角按f物鏡特性的線性關系存儲在計算機,在忽略了入瞳漂移和f特性誤差后,從理論上推導出二維垂直振鏡分佈中激光束掃描點的像點按照復雜的非線性關系運動,為了減少幾何畸變,在軟體設計中給出誤差補償。
  2. To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design

    為減少打標畸變,採用垂直二維振鏡分佈, f物鏡聚焦,將激光束經第二個振鏡反射後到加工平面的距離為焦距f ,為了避免打標時間過長,溫度過高破壞諧振腔,在設計中加上冷卻系統和自我保護裝置。
  3. To make the image height of f - theta lens in proportional to the scanning angle, it is primary to introduce barrel distortion

    本質上f - theta鏡頭通過引入桶形畸變,使得像高線性正比于掃描角。
  4. Dimage z3 equips with the top - of - the - line, all - glass apo 12x optical zoom lens provide true - to - life colors and sharp detail. ad glass elements minimize color aberration and distortion for superior images at all focal lengths

    Ad玻璃鏡片可將色差及色彩失真情況減到最少,確保您在不同的焦距下都能拍攝高質素的影像。
  5. The gt lens designation goes only to the finest digital camera lenses from konica minolta - - - like the 10x optical zoom lens of the dimage z2. this all - glass apo lens provides superior color quality and remarkably sharp detail. it includes ad glass elements to minimize color aberration and distortion, ensuring superb images at all focal ranges, from close - up to telephoto

    這個全玻璃apo鏡頭系統確保影像色彩豐富,鮮明細致;內含ad玻璃鏡片,可將色差與色彩失真情況減到最少,確保您在不同的焦距(從特寫至遠攝)下都能拍攝高質素的影像。
  6. Because of the aberration of fish eye lens resulting from fabrication procedure, there exists serious geometrical distortion, which arises the problem of correcting the fish eye image

    由於魚眼鏡頭製造過程中產生的誤差等原因,所拍攝的圖像幾何畸變還是比較嚴重的,這就產生了對魚眼圖像進行幾何校正的問題。
  7. 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
  8. In the stage of calibration, we use the method which was presented by zhang zhengyou, to calibrate the single camera and rectify the lens distortion. furthermore, we use the method presented by fusiello to do the double cameras calibration and epipolar rectification

    在立體標定階段,本文採用張正友的方法實現了單攝像機的標定並完成了圖像畸變的修正,進而採用fusiello的方法實現了雙攝像機的標定並完成了立體圖對的外極線校準。
  9. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上,系統、深入地分析了共焦掃描顯微成像的機理,論述了應用單模光纖的激光共焦掃描顯微成像系統的優點;進行了總體方案的論證,並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案;從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系,分析了系統耦合效率和漸暈現象對光學系統的設計要求;完成了方案中光學系統和二維掃描控制電路的設計,並在電路設計中採用了用軟體解決檢流計式光學掃描器(振鏡)非線性問題的新方法,能夠實現較為理想的二維模擬掃描;完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。
  10. Camera lens distortion calibration with co - line points

    用共線點列標定攝像機鏡頭畸變
  11. The measurement and alteration of ordinary digital camera. it includes the correction of lens distortion of digital cameras, the computing of camera interior orientation parameters and pictures " exterior orientation parameters, and the evaluation of it ' s capability ; 2

    其中包括普通數碼影像畸變差的改正、數碼相機內方位元素的檢定、數碼近景攝影機的研製及外方位元素改正值的確定、普通數碼相機量測化性能評價; 2
  12. In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization

    針對檢定點高程問題,分析比較了獲取高程的加權平均法和移動曲而內插法的優缺點,得出移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究,內容涉及:數碼相機及相機鏡頭的選型,相機畸變差產生原因及測定的基本原理,像片坐標獲取以及時間同步實現,得出結論:利用gpsoem板的秒脈沖( 1pps )輸出特性,能夠實現兩臺數碼相機與gps接收機時間同步,滿足動態檢定指標要求。
  13. It has 16 elements in 13 groups, including two ad glass elements to reduce flare, chromatic aberration, and image distortion. this lens system has been designed to maximize the quality of the 8 - megapixel ccd

    此鏡頭系統經過精心設計,能充份發揮800萬像素高質素ccd的卓越性能,並具備16片共13組鏡片,包括兩片能減少流光、色差及影像失真等情況的ad玻璃鏡片。
  14. 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。
  15. Overview of nonlinear distortion correction of camera lens

    攝像機鏡頭非線性畸變校正方法綜述
  16. Asymmetric lens distortion

    透鏡不均勻畸變差
  17. And the demarcating task of high - resolution general digital camera is to measure the interior position elements and the optical lens distortion coefficient

    而對于較高解析度的普通數碼相機的標定任務是測定內方位元素及物鏡畸變系數。
  18. The results of experiment indicate the precision of the interior position elements and optical lens distortion coefficient of the digital camera reaches the design requirement and meets the close shot photogrammetry requisition for the general digital camera, so this camera can be used in the close shot photogrammetry

    實驗結果表明,數碼相機的內方位元素及物鏡畸變系數的精度均已達到設計的要求,滿足近景攝影測量對普通數碼相機的要求,故被標定的相機可用於近景攝影測量。
  19. Tangential distortion tangential lens distortion

    切向畸變
  20. Tangential lens distortion

    切向畸變
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