灰度作圖 的英文怎麼說
中文拼音 [huīdùzuòtú]
灰度作圖
英文
gray-scale plotting-
For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”
本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing
在自動聚焦過程中，論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數，解決了是否正確聚焦的快速判斷問題；採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式，使聚焦速度和精度都得到了很大的提高。In this paper, we made an investigation into texture feature extraction and classification based on statistic method and its application in multi - spectral image classification. the research works of this paper have been done as follows : firstly, in order to overcome the weakness of gray level co - occurrence matrix ( glcm ), a new unsupervised texture segment algorithm, based on multi - resolution model, is presented in this thesis
本文主要研究了基於紋理統計特性的特徵提取與分割方法，並將其用於實際的多光譜圖像分類，具體工作如下:第一，針對傳統灰度共現陣方法中特徵提取的尺度單一問題，本文提出了一種多分辨無監督紋理分割演算法。Second, we do research on asthenia syndrome and sthenia syndrome. we first select sub - images from tongue image along the polygonal edge of the tongue, then based on the analysis of the texture properties of the sub - images, gray level co - matrix is used to extract features. the classification precision with theses features is higher
其次，本文研究了舌質蒼老與舌質嬌嫩的分類，先應用演算法在舌邊自動選取了子圖像作為研究對象，然後應用灰度共生矩陣方法對這些子圖像進行了特徵提取和分類，取得了不錯的結果。The paper abstracts out the palmprint mainline characteristic owing to palmprint image gradation by the gray value characteristic property method, defining the online palmprint characteristic space with the form of the polar coordinate and compressing the dimension, at last we use the neural network to accomplish the design of identification authentication system with the on - line palmprint as the mating algorithm. based on this, a fast and reliable system of identification authentication can be built
採用基於掌紋圖像灰度特性的方法提取出掌紋的主線特徵，以極坐標的形式定義在線掌紋的特徵空間並降維處理，最後用神經網路作為匹配演算法完成在線掌紋身份驗證系統的設計，以此為基礎建立了快速、可靠的新型身份認證系統。Experimental results show that embedded watermark has a certain capacity and robustness. a virtual channel technique, which is based on frequency hopping technique, is proposed in chapter 5
第五章借鑒跳頻思想提出了虛擬通道技術，並據此設計了一種在載體中嵌入灰度圖像作為水印的演算法。We use 256 grey scales which realized in sum way and use color exchange space. each point dynamic color repairing technology fits for full color of led display which is made by using simple green tube or olivine tube. this technology can make the color of led display menu keep the original photo floweriness
1用演算法實現的256級灰度，設計中使用了顏色變換空間， 「逐點動態色彩補償技術」適合使用純綠管或黃綠管製作的全彩色led顯示屏，該技術使led顯示畫面的色彩能夠保持原圖象的絢麗。In this thesis, the preprocessing work includes histogram equalization and gray normalization. this preprocessing improves image quality, and eliminates the effects of illumination difference on the images
本論文在預處理階段通過對灰度直方圖修正、灰度歸一等工作改善了原圖像的質量，使光照不均勻對圖像識別的影響降低。The article illuminates mainly two segments color - separation model based on three dimensions, gives a model conception on a knowledge base of unification technology and analyse and design digital prepress system from the whole on the problem of systemic requirement analysis. second, the article brings forward new data compress method based on memory stream and sets up new data structure to realize undo and redo methods based on analyzing all kinds of datas referred to on systemic based construction. because printing and dyeing cad system deals with many arithmetics on graphics ans image and production technics, the article illuminates vector conception, expatiates gray graphic vectorization and brings forward to graphic component ' s conception to enhangce the systemic stability and manipulating speed and improve graphic transmission
在印染cad系統的需求分析問題中，結合目前印染行業的發展和實際cad系統的整體構架，著重闡述了基於三維空間的二段法分色模型，提出了一體化工藝知識庫這個模型的概念，對數字印前系統做了整體的分析、設計在系統的底層架構問題上，著重分析了cad系統涉及到的各類數據，提出一種新型的基於內存流的數據壓縮方法，同時設計了自己的數據結構，用以實現系統的undo 、 redo操作，由於整個系統涉及眾多的圖形圖像演算法和實際工藝，為了提高系統的穩定性和操作速度，以及增強圖像的網路傳輸功能，在部分演算法中採用了矢量的概念，著重講解了灰度圖像矢量化，並且提出了圖像組件這一嶄新的概念。In order to guarantee the validity of this algorithm, firstly the characteristic of an image is extracted, then the frame is divided into several blocks. in each block feature points are chosen to estimate the motion vectors according to certain scanning order
為了保證該演算法的有效性，先提取圖像的特徵，再採用分區的方法在各個分區內按一定的掃描順序選取灰度最大值點作為特徵點用於運動矢量的估計。Better segmentation effect can be attained by coding gray levels of pixels as eigenvector, taking advantage of histogram entropy principles function as fitness function, adopting ranking selection operation, making use of arithmetic crossover and mutation at a certain probability, combining with clustering analysis to initialize clustering center of the population to segment cells image with genetic algorithm
以像素的灰度值為特徵向量進行編碼，利用直方圖熵法準則函數作為適應度函數，採用基於排名的選擇操作，以一定的概率進行算術交叉和變異，並結合聚類分析設定種群的聚類中心對細胞圖像進行遺傳聚類分割。Some features and feature groups that can well show the characteristics of urban environment are founded through experiment to compare the performances of different features. for all the researches in this paper, the radarsat images in 1998 and 2000 and the spot image in 2000 of beijing and field survey data are used to validate. the experimental result demonstrates that a higher change detect accuracy can be obtained < wp = 4 > through the texture differencing method than through the image differencing method based on gray level and the wide application of texture differencing method for urban change detection in sar images
本文開展的各項研究工作，均使用北京地區1998年、 2000年radarsat圖像、 2000年spot圖像及實地考察數據進行了驗證，實驗結果表明，與灰度差值法相比，本文所提出的紋理差值變化檢測方法獲得了更好的檢測結果，也表明了紋理差值變化檢測方法在合成孔徑雷達圖像和變化檢測中良好的應用前景。In the plate region of a vehicle image, the gray value varies frequently in cross - direction, so we define a parameter ". cross variance " to describe it. we also calculate other parameters to approximately locate the plate, they are the space length between two chars, the thickness of stroke, the peak and trough of gray value, the ratio of width and length, etc. at last, we exactly locate the plate by the theory of mathematical morphology
該方法根據圖像車牌區域橫向灰度值變化頻率比較大這一特徵提出了橫向方差參數，並結合車牌的字元間距、筆劃粗細、灰度峰谷值、長寬比值等特徵粗定位車牌，在車牌的精確定位中利用了數學形態學的方法。我們從某高速公路收費站實地拍攝的照片中選取了1000多幅作為實驗樣本數據。Firstly, introduce the design of sonar display, trace - to - trace correlation and gray scale display, develop a new method of gray scale based on signal noise ratio. and next, discuss array signal processing and image processing in order to improve the display. finally, develop a software of sonar display simulator based on object oriented programming, with which the sonar display console is simulated and the performance of sonar signal is tested
本文工作圍繞如何提高聲納顯示效果，介紹了聲納顯示屏幕的設計方案，論述了「跡跡相關」技術、灰度顯示技術在聲納顯示中的應用，提出了基於信噪比的灰度級別劃分方法；結合陣列信號處理、圖象處理技術，本文引入了子帶峰值能量檢測演算法、圖象邊緣檢測演算法，進一步提高了聲納檢測性能；基於面向對象的程序設計方法，設計了聲納顯示平臺軟體，為模擬聲納顯示、檢驗聲納信號顯示性能提供了模擬環境。In this method, the principal axes method is used to estimate the parameters of the transformation, then with the estimated pamameters as the initialization of powell optimization method and with all of the available information as the feature, a high accurate registration is achieved by calculating the minimum standard deviation between the registered images
該方法首先採用主軸法對變換參數進行初步估計，之後採用powell最優化演算法，利用全圖像灰度信息來作為圖像的參考特徵，通過計算配準圖像之間差的平方和的極值來實現圖像配準，從而提高了配準精度。The research about the non - invasive inspection of pcb that is based on ir image is introduced. the detection principle, the components of hardware and software are introduced in this paper. some key technical problems and the project of software are presented in detail : graphics of user interface ( gui ) of the projection, gray scale transformation ( gst ), image contour extraction through edge detection algorithm based on the approaching contour optimization, image registration based on corner detection, the position of hidden trouble pcb through add - minus algorithm image
本文介紹了利用紅外圖像對印製電路板進行不接觸式故障檢測的系統研究，主要介紹了本系統的檢測原理，硬體組成及軟體的製作，其中詳細地介紹了軟體的製作過程以及其中的幾個關鍵部分：本系統的人機交互界面；圖像的灰度轉換；基於最優輪廓逼近的邊緣提取演算法進行輪廓提取；基於角點檢測的圖像配準；用差影法得到故障電路板的故障隱患或故障部位。The main research work is as follows : an algorithm of transforming an image to a relief is presented. a relief with topologic rectangular mesh model is created by its gray value
論文的主要工作如下:設計了一種由位圖圖像生成浮雕的方法，根據圖像的灰度信息生成基於矩形拓撲網格表示的浮雕模型。Then the major registration algorithms and categories are described. the knowledge about mi and the affection of interpolation, outlier strategy and grey levels was discussed in detail. unfortunately, the mi based registration has lots of disadvantages : mi is computing expansive, the registration process is slow, and the mutual information function is generally not a smooth function but one containing many local maxima, which has a large influence on optimization
本文對多模醫學圖像配準進行了研究，所做的主要工作有:首先介紹了多模醫學圖像配準的概念和配準過程，對目前主要的配準方法及其分類進行了歸納，詳細討論了互信息的相關知識以及插值方法、出界點處理和灰度級數目對互信息配準的影響。It was showed that dlc gradient film material had a good stability of hemocompatibility, for its surface almost had no changes. in comparison, the hemocompatibility of t16a14v became worse since its surface had been heavily scratched and dense oxide films on its surface had been destroyed. fratal theory and image processing method had been applied to calculate the fratal dimension of tribological surfaces furthermore to elavuate the surface morphology and roughness
摩擦表面具有多尺度相似性和隨機性的特點，採用分形幾何理論描述表面的粗糙程度及形貌特徵，三維表面的分形維數可以作為一種尺度無關的粗糙度評定參數，利用圖象處理方法，通過材料表面的掃描電鏡sem圖象灰度數據來計算三維表面的分形維數。In this algorithm, the system makes geometry and grey standardize on the images located, then extracts the features base on the kl transformation, at last matches them with the feature samples in sample library and output the most suitable image. the recognition rate is about 78 % he mingzhong ( application of computer science ) directed by prof. wang lingquang
在人臉的自動識別演算法中，本系統對定位后的人臉圖像做了幾何標準化和灰度標準化操作，採用kl變換進行降維處理，提取出人臉圖像矢量，與樣本庫中的特徵樣本進行匹配，選取最為匹配的人臉圖像作為輸出。分享友人