image error 中文意思是什麼
image error
解釋
成像誤差-
The scanning mirror system is execution component to compensates error brought by image movement. it is main component of aerial camera
本文所研究的掃描反射鏡系統是斜視航空相機實現像移補償的執行元件，它是航空相機的重要組成部分。 -
Astigmatic image error
象散象差 -
Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform
最後，在傳統的邊緣檢測演算法和小波分析的邊緣檢測演算法之外，對以下幾個方面也進行了一些討論： 1 ）利用誤差圖像來提高邊緣檢測效果的演算法； 2 ）將求解任意方向的一階、二階方向導數的問題轉換到頻域中去求解，發現在頻域中它們具有簡單易用的公式，使得原來求解任意方向的一階、二階導數的比較困難的問題變得容易實現了。 -
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。 -
This dissertation emphasizes on the creation of image space, the author present a display system in which screen moves with a sinusoidal velocity profile to create image space. this paper uses linear approximation to make the system display homogeneous graphic and analyzes worst - case positional error due to linear approximation
本論文重點分析了顯示單元中成像空間的構造，提出屏幕按正弦曲線運動的方式來構造成像空間，用線性近似的方法得到均勻的圖像，並分析了由於線性近似帶來的最大屏幕位置誤差。 -
In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )
主要研究內容包括：一、總結分析了當前水下導航的常用方法和不足之處，指出基於航位推算的導航方法，存在著最大的問題就是導航誤差的積累問題，如果沒有修正系統，這種方法很難滿足使用要求；其次指出基於聲學的導航方法，造價昂貴，導航范圍有限，難以滿足自主水下航行器大范圍導航的需求；二、總結了當前水下地形輔助導航的主要技術路線，一是基於地形高程的匹配方法，這是當前研究的重點；二是基於地形圖像的匹配方法，由於缺乏良好的圖像傳感器，和可用的海底圖像地圖，目前這種方法還有待研究發展；三、將兩種地形高程匹配的常用方法應用到自主水下航行器上：以相關演算法為前提的地形輪廓匹配（ tercom ）方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航（ sitan ）方法，前者演算法簡單可靠，但是導航精度不高，後者雖然精度比較高，但存在著演算法較為復雜、有可能發散和出現奇異值等問題。 -
Both two methods require a good binary image, if there exist concave, the aggregated objects will be segmented and recognized correctly and the error is lower, otherwise, it may give err result. considering the edge information will give robust segmentation, but the information may contain noise when the object is strongly non - uniformity and the speed decreases
該演算法對圖像的二值化效果要求較高，當物體間的縫隙在二值化后能部分或全部判定為背景，即粘連的物體在二值化后能有明顯的凹陷時，識別率很高，誤差幾乎可以為零。 -
In terms of their frequency responses, the best choices for medical image interpolation : the 6 6 blackman - harris windowed sinc interpolator, and the c2 - continuous cubic kernels with 6 and 8 supporting point. in terms of the quantitative error and evaluations, in practice the best choice is the cubic kernel with 6 supporting points
根據各插值核的頻率響應特性，更好的是6 6的blackman - harris窗和二階導數連續的6 6和8 8的三次核；從實現效率和放大效果上看，實際中理想的選擇是6 6的三次核。 -
The main work is as follows : 1. an error resilient algorithm to collaborate multiple description coding ( mdc ) and error concealment ( ecn ) is presented. the strategy of this method is to reconstruct the low quality image followed by recovering the lost wavelet tree with error concealment method when end - user receives few descriptions
在誤碼環境下，要保證解碼端重構圖象的質量，就要綜合採用多種抗誤碼方法，本文對差錯復原技術的綜合應用進行了研究，具體內容如下: 1 、提出了圖象多描述編碼與差錯隱藏相結合的差錯復原演算法，在接收端接收到的描述較少時，首先根據接收到的若干描述重構低質量的圖象，然後採用差錯隱藏方法恢復丟失的子波樹。 -
But they are very sensitive to image noise and points delocalization error. in order to use the invariants, the local geometric constr aint must be added
但同時，由於興趣點的局部灰度差分不變量對噪聲及點位置偏差很敏感，所以在做實際圖像匹配時必須加上局部幾何限制。 -
The software has realized the techniques presented before and has other functions, such as the simulation of a disk under diametral compression, various error analysis, phase unwrapping, real - time display of image information, and so on
附加功能還有對徑壓縮圓盤理論模擬模擬、各種誤差分析、相位去包裹和圖像信息實時顯示等，它為今後進一步開發奠定基礎。 -
Theoretical analysis indicates that error probability of detector is independent of image itself, but only relies on the length of embedding watermarks and embedding strength factor
理論分析表明：檢測器的誤檢測概率與圖像本身無關，只取決于嵌入水印長度和嵌入強度因子。 -
The improvement of image characteristic obtaining at real time satisfies the application and supports the adaptive gamut mapping. the sampling and visualization of sample set in different color space show the optic difference and give the error analysis of the color conversion between them. based on the study of the color relation among the color spaces, the visualizing color can be created automatically with conversion formulas
針對當前色彩管理研究缺乏可視化支持的現狀，本文在研究相關理論和技術的基礎上，將可視化技術應用於色彩管理，為其提供模型支持和可視化環境，形成了一套較完整的色彩管理可視化工具。 -
Due to the fact that the problem of reconstructing image from compton scattering energy spectral data is an ill - posed problem, any error or noise in the measurements will be amplified in the reconstruction results
由於從康普頓散射能譜直接求逆重建密度圖像是一個不適定性問題，測量的微小誤差會在重建結果中被放大。 -
In image - based, also called feature - based systems, the error signal is defined in terms of image features and is directly measured in the image coordinate system. therefore, computational costs are significantly reduced and the system becomes less sensitive to abstract errors in camera calibration and system modeling
誤差信號按照圖像特徵來定義而且直接在圖像坐標空間來測量，因此可以大大降低計算量，而且系統對相機標定誤差和系統建模誤差不敏感。 -
By testing the corrected image map, the mean error of point position was 1 meter, the maximal error was 2 meters, length distortions on x and y axis orientation were not more than 1 % and angle distortion was almost not existing
經檢驗，單點定位平均偏差為1m左右，最大偏差為2m左右，在x 、 y方向上的長度變形均不大於1 ，基本沒有角度變形。 -
So the subjective iqa can not be used widely. today image encoding pursues low error rate and high compression ratio, which needs effective iqa
客觀保真度這一概念用來描述評價對象與參考圖像間的相似程度，即是對圖像逼真度的測量。 -
This paper illustrates detailedly the thin groupware auto - adaptive recognition system ; it also illlustrates the procession of capture image and take indispensable foreclose to wipe off noise in order to get boundary easilyer. the recognition system uses " hough " transform method to make the recognition area orientation, and according to the unstable environment such as lights which leads to the change of the image ' s brightness, thresholds picture using an iterative selection method and then growing process for cell image segmentation based on local color similarity and global shape criteria, adaptively gets the best threshold to divide the washer off the background. the recognition system uses the classifier based on minimal - error - ratio bayes method to make decision after getting image characteristic
本文詳細介紹了薄形組合件自適應識別系統；闡明了圖像的分通道自動採集過程，以及對採集到的原始圖像所進行的預處理方法。通過採用哈夫變換去除偽邊緣點的方法，有效地解決了識別區域的定位問題。針對裝配零件（主要是墊片）薄、小導致圖像信息少、識別難度大，以及材質不一導致採集到的組合件圖像亮度波動等問題，提出了使用最佳閾值迭代法和使用種子填充的圖像串列分割技術，自適應地找出最佳閡值，使墊片和背景分離，從而提取墊片數目信息。 -
For spaceborne sar system with large squint angle, the main error source of classical range - doppler algorithm is analyzed which causes the loss in image quality
分析了當天線斜視角增大時，導致傳統距離多普勒成像演算法性能下降的主要誤差來源。 -
The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed
本文採用投影光棚相位法和數字卷積濾波技術：根據柵線的條紋灰度值分佈具有極大極小分佈的特性，提出卷積濾波形貌光學自動檢測的圖像處理方法，有效地實現了頻譜自動移位，從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度；同時對採用兩光學主軸相交，且非遠心投影系統所產生的誤差進行了分析，並提出了修正方法。
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