灰度 的英文怎麼說

中文拼音 [huī]
灰度 英文
[訊] grey scale; gradation
  • : Ⅰ名詞1 (物質燃燒后剩下的粉末狀的東西) ash 2 (塵土; 某些粉末狀的東西) dust 3 (特指石灰) lime...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. The computational results of the particle images are agreement with the simulated datain reasonable, the most absolute difference of the displacement is 0. 6671 pixel at the x abscissa and 0. 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points, their discrepancy is only one pixel at few points, mostly in boundary area

    西安理工大學碩士學位論文最後,在visualfortran環境下給出了這種演算法的具體實現,處理模擬粒子圖像的結果與模擬數據比較吻合,最大位移絕對誤差在x方向是0 . 6671像素,在y方向是0 . 7928像素;計算結果與示蹤粒子灰度分佈模板法(基本的互相關法)在絕大部分點是相同的,只在少數點相差一個像素,而且大多出現在邊界區域。
  2. To corner feature, both gradient magnitude change and direction change of gradient vector are discontinuity in a local image neighborhood, hence gradient - direction variation and gradient magnitude are used as another decision rule of the corner detection to improve antinoise

    為了提高抗噪聲,根據角特徵不僅灰度變化是不連續的,且相對周圍其他點的梯方向也是不連續的,提出利用梯角變化和梯幅值作為角特徵檢測的另一個準則。
  3. An axiomatic definition of degree of greyness of grey number

    灰度的一種公理化定義
  4. Studied on floating avoiding method and the memory conflict regulating method to realize the real - time image capture. 2. using four subpixel - locating methods to obtain the center of micro parts, which are template - matching method, core - shape method, centrobaric gray method, and edge - fitting method

    利用模板匹配法、型心法、灰度重心法和邊緣擬合法等四種亞像素定位方法實現了對零件中心位置的檢測;利用圖像旋轉方法,進行了零件旋轉角定位研究。
  5. The point of singular signal ' s conjoint pixel always changes acutely in its gray - level value. the gray - level distributing gradient of conjoint pixels can show this change

    而信號的奇異點或突變點往往表現為相鄰像素點處的灰度值發生了劇烈的變化,我們可以通過相鄰像素灰度分佈的梯來反映這種變化。
  6. The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale

    本文介紹了fed驅動系統的工作原理,重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製,這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路,配合后級列灰度調制單元和行掃描單元,組成完整的fed驅動系統,可以驅動25英寸vga級fed顯示屏,實現彩色視頻顯示,樣機亮達400cd / m2 、對比為1000 : 1 ,灰度等級為256級。
  7. Moreover, aiming at the location of inclined license plate, we have proposed the algorithm based on gray changing characteristic and orientation field. in this section, we discussed in detail the application of mathematical morphology operator in rough locating objective region and introduced the theory and realization method of orientation field. then we used it to detect inclined angel of objective region, finally we can precisely locate and emendate the inclined license plate based on detection result, and so we provided the favorable foundation for segmenting character

    此外針對傾斜車牌區域的定位分割問題,提出了基於灰度變化特性和方向場計算的定位演算法,其中詳細討論了數學形態學運算元在目標區域粗定位中的應用,重點介紹了方向場計算理論和實現方法,並將其應用於目標區域傾斜角的檢測,根據檢測得到的結果進行了傾斜車牌區域的準確定位和校正,為后續的字元分割打下良好的基礎。
  8. 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 。
  9. 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,使聚焦速和精都得到了很大的提高。
  10. Using the way combining the mathematic morphology top - hat and gauss matched filtering can effectively reduce the influence of the inherent fovea and the marginal noise brought forth by the retinal camera caliber in retinal image and increase the precision of retinal image segmentation and feature point extraction

    文中提出了採用灰度數學形態學中的top - hat變換和高斯匹配濾波相結合的方法,用來有效的降低視網膜熒光圖像中固有的小窩現象及眼底照相機的口徑所引起的視網膜圖像邊界像素噪聲,極大的提高了圖像分割及特徵提取的精
  11. In order to realize the automation of wood classification and recognition, wood texture parameter system was constructed by glcm, and the research of classification was carried on

    摘要為了實現木材分類識別的自動化,應用灰度共生矩陣建立了木材紋理的參數體系,並進行了分類研究。
  12. Among them the gray level co - occurrence matrix ( glcm ) and gray gradient co - occurrence matrix ( ggcm ) methods, which attributed to the statistic textural analysis scheme were then chosen to extract the textural features of five kind areas on satellite images. in the second part the principle of classification and bp neural network were introduced. combined with textural features, the improved bp neural network successfully performed on the classification of the satellite images

    論文的第一部分介紹了進行紋理特徵研究的一些典型的方法,利用其中的基於統計的紋理分析法中的灰度共生矩陣以及灰度一梯共生矩陣法,分析了衛星雲圖上五類區域的紋理特性;第二部分主要介紹了遙感圖像分類原理以及神經網路中的bp演算法,在對演算法原理進行深入理解的基礎上,把紋理特徵與神經網路進行組合,實現對衛星雲圖進行分類分析;第三部分內容是在前面圖像分類結果的基礎上,對序列圖像用相關匹配法進行運動分析,反演雲跡風風場。
  13. 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單一問題,本文提出了一種多分辨無監督紋理分割演算法。
  14. It first finds the best features that are extracted from glcm and explain the texture clearly in different resolution, and then segments on different level, at last, by combining the structure information of texture edge, extract the edge of different patterns to get a relatively accurate result of texture segmentation

    該演算法有效的利用了由灰度共現陣得到的、不同解析上最能表述紋理特性的統計特徵,分層次對圖像進行分割,然後結合紋理的結構信息對邊緣區域進行邊界定位,進而得到較準確的紋理分割圖。
  15. Artificial ant colony based on grayscale grads

    灰度感知人工蟻群的數字圖像邊緣檢測
  16. In order to eliminate the illegibility of boundary and large dynamic range in amplitude, this dissertation presented a preprocess method for isar profile using adaptive threshold segment

    針對isar像邊緣模糊、灰度動態范圍大等特徵,對圖像預處理方法提出了改進。
  17. After the introduction of the wavelet theory and the principle of wavelet - based image fusion, we test the radarsat and landsat images using gray - value algorithm

    在對小波變換的基本理論和其用於融合的原理進行介紹之後,我們利用了灰度值選擇運算元針對radarsat和landsat圖像進行了相關實驗。
  18. Both the annual banding growth rate curve and grey level curve show the evolution processes of the precipitation over the past 2000 years this region and that divide into seven dry / wet cycles

    石筍紋層厚灰度曲線比較清晰地揭示了本區過去2000年降水演化過程,可劃分7個干濕旋迴。
  19. Pattern analysis and machine intelligence, 1992, 14 : 430 - 449. 15 mokhtarian f, mackworth a k. a theory of multi - scale, curvature - based shape representation for planar curves

    第三,定義了一種多尺的特徵相似性量,從而把圖像灰度分佈和幾何結構結合在一個完整的框架中。
  20. In the process of processing image, image ' s vision effect is improved by some image enhance technique such as neighboring region average and pixel expanding. in accord with the feathers of the soil microphotograph, a three - level segmentation scheme is used to segment the soil microphotograph

    在圖像處理過程中,對圖像進行了增強處理改善圖像視覺效果,採用了諸如灰度變換、改進的鄰域平均法和像素點擴張法改善圖像對比以及消除圖像中的噪聲。
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