gray-level 中文意思是什麼

gray-level 解釋
灰度級,揮階量級
  • gray : 〈美國〉＝ grey。n. 1. 格雷〈姓氏，男子名〉。2. Thomas Gray 托馬斯格雷〈1716-1771，英國詩人，其名作為《墓畔哀歌》〉。
  • level : n 1 水平儀，水準儀；水準測量。2 水平線，水平面；水平狀態；平面，平地。3 水平，水準；水位；標準；...
  1. 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度來反映這種變化。
  2. 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度共生矩陣法，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。
  3. 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。
  4. 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。
  5. Non - supervised textural images segmentation based on gray level rank vector

    基於灰度秩數向量的非監控紋理圖像分割
  6. We provide the algorithm of line segmentation under gray level image and character segmentation based on the biggest width backtracking algorithm to get the accurate position of characters

    文中提出了灰度圖像下的行分割方法和基於最大寬度回溯演算法的單字分割演算法，從而實現了字元的精確定位。
  7. A new feature extracting algorithm based gray level co - occurrence matrix

    一種新的灰度共現矩陣特徵提取演算法
  8. Seafloor sediment classification using a neighborhood gray level co - occurrence matrix

    基於鄰域灰階共生矩陣的海底沉積物分類
  9. The segmentation method of retinal blood vessels based on gray level - gradient co - occurrence matrix

    梯度共生矩陣的視網膜血管分割方法
  10. In the second part ( including chapter 4 ), this paper applies gray level coocurrence matrix and image texture feature quantities to evaluate eliminate effect through computing the same sampling region selected. the results show that the three methods can eliminate solar eclipse impact on the satellite vis imagery so that the topography, cloud system texture and ocean current are distinct and differentiable and it is good for analyzing the clouds and weather systems on the cloud image. comparing the three methods, the improved geometry - model method is the most effective

    研究結果表明：原幾何模型法、改進的幾何模型法和數學函數模型法基本都能消除日食對雲圖的影響，經過訂正處理后，各種特徵紋理變細，結構變清晰，信息增加，有利於雲圖上雲和天氣系統的識別和分析；三種方法的比較認為，改進的幾何模型法訂正效果最好，原幾何模型法的效果較差，數學函數模型法更加快速、簡便，但其涉及的主觀因素較多。
  11. Secondly, in the computation of the gray level mapping, since cumulative distribution function ( cdf ) always sums up to 1, we can get the mapping by either adding from 0 or subtracting from 1

    這種方法基於這樣一種直觀的思想：在矩形窗口內，中心點的象素灰度很可能是該區域的灰度分佈的主要成分，同時允許一定比例象素的灰度級不在該范圍內。
  12. A method for gray - level threshold selection based on maximum entropy

    基於閾值的小波域語音增強新演算法
  13. Public watermarking algorithm of gray - level still images combining dwt and dct

    小波和餘弦變換相結合的灰度圖像水印演算法
  14. There are so many differences between binary images and the gray - level or color images

    二值圖像只有黑白兩種顏色，該類圖像的信息隱藏不同於灰度及彩色圖像。
  15. Therefore, there will be more challenge to realization fast recognising and tracing in chromatic image than in gray - level image

    由於彩色圖像的信息量大，它比黑白圖像目標的識別和跟蹤問題具有更大的挑戰性。
  16. 18 otsu n. a threshold selection method from gray - level histogram. ieee transaction systems, man cybernetics, 1979, 9 : 62 - 66

    識別器為三個分類器的并行組合，包括神經網路k近鄰分類器和基於模糊的k近鄰分類器。
  17. In the end of the paper, the method is tested on 80 gray - level images and 44 color images which are selected from the stirling image database

    在最後，本文應用striling數據庫中的80幅灰度圖像和44幅彩色圖像對本方法進行了測試。
  18. On this basis, the four numerical features identifying the content of image are raised from gray - level co - occurrence matrix of the image

    在此基礎上，利用圖像的灰度共生矩陣，統計出反應紋理一致性、紋理對比、紋理的熵和紋理相關性的數量值。
  19. The algorithms of image processing, including pixel gray - level detection, intensity transform, noise smoothness and image sharpen are discussed in detail

    本文詳細的研究了圖像處理的演算法，實現了像素灰度提取、灰度變換、圖像平滑、圖像銳化等演算法。
  20. Color image is the best approach to the world, as there are more advantages in color image processing than in gray - level image

    在各種光學圖像中，彩色圖像是對外部客觀世界的最為逼近的描述，因此相比灰度圖像來說，對彩色圖像的處理可以獲得更大的信息量。
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