edge character 中文意思是什麼
edge character
解釋
字元邊緣-
The canyon was wide at the water's edge, and through it corkscrewed back into the mesa by abrupt turns, it preserved this open, roomy character.
峽谷在水邊那兒很寬闊，雖然它拐了一個陡急的彎子向方山深處盤旋進去，但一直保持著這樣開闊，空曠的特點。 -
This arithmetic divides the wavelet coefficients of carrier image into 27 - classes by the background luminance, the texture and the edge mask character of visual system ; then after encrypting watermark image with magic cube transformation, the ycbcr model is employed, it embeds the watermark sequences in the carrier image with different intensity according to the coefficients " classes of carrier image in y channel
首先，將載體rgb圖像轉換到ycbcr顏色空間，然後提取亮度通道y ，將其進行小波變換，然後利用人眼視覺模型對載體圖象分解后的小波系數進行分類。其次，對有意義的水印圖像分別進行3次不同的魔方置亂，得到3個隨機水印序列。 -
Based on perspective model, it was proposed that drawing camera inner parameters with physics method ; in image processing, especially the particularity of robot object localization and tracking, it was proposed that several effective methods of image smoothing and sharpening, edge detection, boundary tracking ; at the same time, in order to complete object recognition, we introduced the methods of drawing object character parameters ; in object image matching, two kinds of effective object matching arithmetic was proposed ; based on the principle of object 3d information restoration, we proposed two kinds of arithmetic of 3d coordinate restoration of object feature points, and completed object movement parameters estimate and object tracking and prediction, and presented experimental result
以透視成像模型為基礎，提出了用物理方法來提取攝像機內部參數；從圖像處理角度出發，針對機器人目標定位與跟蹤的特殊性，提出了幾種行之有效的圖像平滑、銳化、邊緣提取以及邊界跟蹤的方法；同時，為了完成目標的識別，介紹了目標特徵參數的提取方法；在目標圖像匹配上，提出了兩種快速有效的目標匹配演算法；基於目標深度信息恢復原理，提出兩種目標特徵點三維坐標恢復的方法，同時完成了目標運動參數估計和目標的跟蹤與預報，並最後給出了實驗結果。 -
3 ) unwrapped interferogram after fringe edge detection using dyadic wavelet and edge linking by active contour model ( snake model ). 4 ) analyzed the effects of atmospheric factors to insar dem extraction and the turbulent character of atmospheric term
3 ）利用二進小波對干涉相位圖的條紋邊緣進行檢測，並用主動輪廓線模型（ snake模型）連接條紋邊緣，在此基礎上對干涉相位圖進行解纏。 -
Because the data mutate on the position that is the edge, the normal curvature on some orientation changes from positive to negative. so it is thought whether some point is judged the edge - point by this character
由於邊緣是圖像上像素發生突變的位置，所以在圖像曲面上某一方向的法曲率值會出現由正到負的變化，故此應用這個性質來判斷曲面上某點是否為邊緣點。 -
In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector
在ct圖像重建時，選擇有限帶寬窗有較好的空間解析度，三角形窗有較好的密度解析度，選擇餘弦窗則使得空間解析度與密度解析度的折衷；從窗函數的頻譜角度來講，可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件： （ ? ）小的3db帶寬b ，即最小的主瓣寬度； （ ? ）最小的旁瓣最大峰值a ； （ ? ）最大的旁瓣峰值衰減速度d ；就內插函數而言，臨近點內插與線性內插重建圖像噪聲大，但有較好的邊緣與細節； 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑，局部特性較好。 -
In optical character recognition, the condition of a line that is not exactly perpendicular to the reference edge of the document being scanned, or is not exactly parallel with preceding and succeeding lines
在光學字元識別中，不完全垂直於被掃描文件的參考邊，或不完全平行於前一行和后續行的那一行的狀態。 -
Upon that an efficient thinning algorithm based on borderline ( etab ) is proposed which treats with individual pixels point in each step and picks up unilateral edge points sequence as the framework of a character image
演算法每一步都針對單個的像素點作處理，並提取筆劃單側邊緣點序列作為字元圖像骨架。 -
Computer image processing technology analysising the wear surface character had developed rapidly, and got widely recognition and application. according to the wear - surface image obtained by digital image - collection system, i analyse the wear mechanism, then, construe wear shape character with edge detection and skeleton map technology, calculate the proportion of different wear mechanism to the whole mechanism with area measurement, judge the texture character of image based on the method of texture analysis so as to provide reference for the computer ' s intelligentize identity to wear methanism
本文根據數字圖像採集系統獲得的磨損表面圖像，進行磨損機制分析，並運用數字圖像處理技術中的邊緣檢測和輪廓提取等技術，對磨損形狀進行特徵提取和分析，運用面積測量可計算不同磨損機制在整個磨損主體所佔的比重，並根據紋理特徵分析方法判斷圖像的紋理特徵，為實現計算機對磨損機制的智能化識別提供參考。 -
Algorithms of video segmentation that are good adaptive character and real time are crucial to the final mpeg 4 coding products there exist the contributions in this dissertation as follows obtaining the edge of video objects is crucial to the video segmentation, author researches the features of human being visual, especially giving a description of mach band that is usually used in the image processing, and builds a model of mathematics, researching the mach band of color image
（ 1 ）視頻分割的關鍵是獲得視頻對象的邊界，邊緣檢測很重要，本論文以人類的視覺系統的特性為出發點，對圖像處理中經常應用的馬赫帶現象進行了詳盡的分析並進行了數學建模，研究分析了彩色圖像的馬赫帶現象。在對馬赫帶圖像分析的基礎上，得出了人類視覺系統對圖像邊緣能識別的最小灰度差和彩色差曲線。 -
According to the character of the flyers, a one - dimension maximum entropy image binary conversion method based on edge features is proposed, which can implement adaptive threshold selection
針對飛行物圖像的特點，提出了一種新的基於邊界特徵的一維最大熵圖像二值化分割方法，該方法可以自適應地選取閾值。 -
The fuzzy division of the character lattice image can overcome the stroke position influence to the feature extraction. the fuzzy direction feature combines the fuzzy image division with the fuzzy direction property feature, which describes the stroke direction property of single edge point
通過對字元點陣圖像的模糊劃分，克服筆畫位置對特徵抽取的影響；用模糊方向屬性特徵描述單個邊緣點筆畫方向屬性；模糊方向特徵是圖像的模糊劃分和邊緣點的模糊方向屬性特徵的結合。 -
Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況，對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論：然後對圖像增強處理的目的和方法進行了介紹，對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明，並對實物圖像的處理結果進行了分析與比較；接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法，並獲取輪廓的特徵點：隨后對獲取的特徵點進行坐標變換，並進行b樣條曲線擬合，引入相關條件生成齒輪副的嚙合線及嚙合軌跡：最後引入等值線和區域填充表示方法，並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。 -
Image edge detection based on multiresolution wavelet transform makes up these shortages before. wavelet theory has good local inspect ability in time region and frequency region, and the character multiresolution. these are theory basis that wavelet transform is applied to cell image edge detection
小波變換是80年代後期發展起來的一種變換域信號處理方法，具有時域和頻域上良好的局部檢測能力和多解析度分析的特點，從而被譽為「數學顯微鏡」 ，這是我們將小波變換應用於細胞圖像邊緣檢測的理論依據。 -
A vision - based license plate identification system has to be robust, since the plate may be inclined or distorted, the characters may be blurred and the strokes become disconnected. the algorithms also have to be adaptable since the light condition and image capture position could vary. the license plate identification system has to implement license plate region identification, character extraction and character recognition. we use edge features and shape features to locate the plate region, in this process image enhance and mathematical morphology are used
本論文的研究重點主要包括牌照的定位、牌照中字元的分割和字元識別三部分，通過對圖像處理和分析技術的綜合運用以及對問題本身特點的詳細考察，最終實現了基於邊緣特徵和形態學分析的牌照定位演算法，在圖像預處理方面採用灰度變換、同態增晰和平滑演算法對圖像進行處理，提高了牌照圖像的質量。 -
Since the real - time image and norm image shoot height, orientation and image size are different, the two image ' s outline exist rotation and distortion, and so obtained image ' s edge character is influenced by picture ' s gray distribution, so that the match result is usually not correct
摘要下視景像匹配製導中，實時圖和基準圖的拍攝高度、方位和圖像比例尺不完全一致，兩圖的輪廓形狀存在旋轉和變形等差異，邊緣特徵提取方法受圖像灰度分佈影響存在變形和移位，易導致匹配錯誤。 -
Under natural environment, the plate character can be faint or transfigured. as a result, we bring up several algorithms to process the noise in the image, including single point noise processing algorithm, noise processing methods based on connected area, second - moment and edge scanning, which are efficient in getting rid of the noise
本文根據自然條件下車牌字元模糊，變形等特點，提出了多種圖像噪聲處理的演算法，包括單象素噪聲去除演算法，基於連通域和二階矩以及邊緣掃描的噪聲去除演算法，較好的去除了圖像中包含的噪聲區域。 -
Furthermore land use spatial pattern composed of the land use patch type, amount, size, figure, edge character, location and so on contained abundant land use temporal and spatial evolvement information
而由土地利用斑塊的類型、數量、大小、形狀、邊緣特徵、位置空間關系等決定的土地利用空間格局，更蘊含著土地利用豐富的時空演變信息。 -
Then by using enlarged edge character method, outline distortion can be overcomed and correct image can be matched
在此基礎上，用擴展邊緣特徵法，克服輪廓變形對邊緣匹配的影響，提高精度。 -
Using side restrain compete method can obtain image edge character fast, correctly, moreover the character results have no shift, and are not sensitivity to gray
用側抑制競爭方法，圖像邊緣特徵提取快速準確，不發生移位，對灰度變化也不敏感。
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