灰度值 的英文怎麼說

中文拼音 [huīdùzhí]
灰度值 英文
gray-scale value
  • 灰 : 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 : 度動詞[書面語] （推測; 估計） surmise; estimate
  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. 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。
  3. A lot of data of elevation in different places of the shallow water of n antong were obtained by fish - exploring machine and gps determining and tide cor recting. an image which reflects landforms of nantong was obtained by selecting f rom the many noaa images on different channels and in different phases. based on the image, grey scales corresponding to different places were obtained. by using c la ssifying liner regression technique, liner regression equations were established between the elevation and grey scale, and the threshold values of grey scales of the different elevations were determined. according to the threshold values, the a reas of the tidal zone above different elevations of the shallow water of nanton g were estimated

    通過利用gps及漁探器實測，並進行潮位訂正，獲得南通淺海海域大量測點的高程資料；通過對多時相各通道noaa衛星照片進行篩選，挑選能反映淺海地貌的通道資料，從中讀取各測點相對應的灰度值，在此基礎上利用分級線性回歸，建立不同高程范圍內的高程、灰度線性回歸方程，確定不同高程的灰度閾值，從而測量出南通市淺海海域不同高程以上的潮間帶面積、分佈。
  4. The colors in the array are grayscale values

    該數組中的顏色是灰度值。
  5. With the basis of the system of nonlinear equations which is established by minimizing the error quadratic sum of theoretical and actual shaded value of the points on the typical surface, the parameters of the illumination models can be firstly determined by means of the least - square procedure

    首先，以典型曲面上各點的理論灰度值與實測灰度值的誤差平方和最小為目標建立非線性方程組，以非線性最小二乘理論為基礎，通過解非線性方程組確定光照模型各個參數值。
  6. With the basis of nonlinear least squares theory, the system of nonlinear equations is established by minimizing the error quadratic sum of theoretical and actual gray level of the points on the typical surface, and the parameters of the illumination models can be determined by means of the least - squares procedure

    以非線性最小二乘理論為基礎，以典型曲面上各點的理論灰度值與實測灰度值的誤差平方和最小為目標建立非線性方程組，通過求解非線性方程組來確定光照模型的各個光照參數。
  7. In general, this gis has following characters : i ) this gis provides strongly query function for sub - compartments and compartments such as from map to table, from table to map and from table to table ; ii ) this gis provides strongly report outputting function ; iii ) this gis create zst landscape structure evaluation function

    尺度分析是採用單位蓄積量和中山陵tm4波段影像（ 256 256像元）的灰度值兩種指標分別分為3個和8個尺度對中山陵景觀進行分析，結果表明可以將中山陵森林景觀分為3個尺度（小班、林班和作業區）進行經營管理。
  8. The mean grey value of ice is 154 using simulation of gauss error function

    採用高斯誤差函數擬合，計算得到冰的平均灰度值為154 。
  9. 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。
  10. In immediate death group, the gray value of bfgf positive nerve cells is the smallest, which had magnificant difference with other experimental groups ( p < 0

    Bfgf免疫組織化學染色。即刻死亡組hfgf陽性神經細胞灰度值最小，與其它各實驗組相比有顯著差異（ p o
  11. In immediate death group, the gray gradient of hsp70 in nerve cells was the smallest, which had obvious difference with other experimental groups ( p < 0

    實驗結果結構型hsp70免疫組織化學染色。即刻死亡組hspoo陽性神經細胞灰度值最小，與其它各實驗組相比有顯著差異（ p 0
  12. 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。
  13. From the point cloud surfaces, multi - layered geometry images are created which can represent the original models accurately very much. the compounded geometry image representation of point cloud surfaces, is also based on the former transform method, where the difference lies : take one of coordinates as the gray value and another two as location respectively, three different geometry images can be created. three gray images are combined into a compounded color image

    點雲曲面的復合圖象表示方法，首先把點雲曲面中點的笛卡爾坐轉換為球面極坐標，分別把球面極坐標[ r ， ， ]中的一個坐標轉換為象素的灰度值，另外兩個量轉換為該象素的坐標，這樣就可以得到三幅不同的圖象，把這三幅灰度圖象分別對應到彩色圖象的r ， g ， b中去，就組合成為一幅復合彩色圖象。
  14. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰幀差分圖像中所具有的近鄰反相特徵，即運動點目標的兩個位置相鄰近、灰度值一正一負，提出一種在復雜背景下，基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差分圖像中檢測反相點對，進而構造反相點對矢量圖，最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明，當信噪比大於或等於1 . 5時，可以有效檢測出運動點目標
  15. 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。
  16. By adjusting the gray value of pixels after histogram equalization, this thesis puts forward a method called histogram equalization of preserving gray scales. it enriches the gray levels and dispels the infection of the gray level amalgamation to some extent

    通過調整直方圖均衡化后像素的灰度值，給出了保留灰度級的直方圖均衡化方法，豐富了圖像的灰度層次，一定程度上消除了灰度級合併對圖像帶來的影響。
  17. A developed simple m - s model for image segmentation in geometric active contour model is presented based on intra - region similar and inter - region dissimilar properties. the model constructs an energy ( cost ) function, which is made of intra - region variations and weighting squares of subtraction of region mean values. using gradient - descent methods, the energy function is minimized and we get a curve evolution equation that segments image

    基於區域內一致性加權區域間差異性構造能量函數，利用最陡梯度法使能量函數最小化，提出了一種改進的簡化mumford - shah （ m - s ）圖像分割模型，該模型利用區域內方差描述區域內一致性，區域間平均灰度值之差的平方描述區域間差異性，實驗結果表明，通過調節加權系數，該模型對弱邊界圖像分割具有較強的適應性。
  18. In the software design part, the image encoding is realized with huffman encoding on the bubbling up sorting method for 256 gray - color values. the result of the encoding and encoding efficiency are displayed in the list box. in the hardware design part, on the basis of the characteristic and development of the embedded system hardware, the code joint is realized with the fpga and vhdl

    在紅外虛擬鍵盤的軟體實現部分，採用哈夫曼（ huffman ）編碼的方法實現了圖像編碼，利用冒泡法對256個灰度值進行排序，最後將編碼結果以及編碼效率等以列表框的形式顯示；在硬體設計部分，基於目前嵌入式系統硬體的特點及發展，採用可在線修改的現場可編程門陣列fpga （ fieldprogrammablegatesarray ）技術以及高速集成電路硬體描述語言vhdl （ veryhighspeedintegratedcircuitshardwaredescriptionlanguage ）等方法實現圖像處理中的碼字拼接功能。
  19. To create geometry images of point cloud surfaces, we first determine the center of the polar coordinates and convert the cartesian coordinates [ x, y, z ] to polar ones r, coordinate is encoded as the location and r is encoded as the gray value in the image. to represent point cloud surfaces with high complexity, we propose using multi - layered images

    根據笛卡爾坐標和極坐標之間的轉換關系，三維坐標[ x ， y ， z ]首先被轉換成[ r ， ， ] ，其中[ ， ]被轉換成幾何圖象中的象素坐標， r轉換為該象素的灰度值，生成幾何圖象。
  20. In this paper, wuhan was investigated as a example. a relation model was built between ground temperature and image brightness of landsat7 tm band 6, and a map of ground heat field was made by ihs enhance method. results show that the heat field of wuhan presents regular distribution

    本文利用武漢市地區的landsat7tm圖像，對于熱紅外波段遙感圖像灰度值和地面溫度之間的關系進行了定量的解譯，並且採用ihs圖像復合增強的方法得到了武漢市地面熱場分布圖，取得了很好的模擬效果。
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