片语

gray-value differential invariants灰度差分不变量

gray scale value灰度值

gray copper value灰度值

region gray average value-grad区域灰度均值

grey level[光] 灰度值；[电子] 灰度级

gray-value differential灰度差分

Arithmetic mean of gray-value灰度期望值

gray-value wave灰度波形图

gray mean value generation灰色均值生成

gray-value image灰度图像

英汉例句

• the edge position, visible area and the mean of gray value of flame also be discussed by analyzing the flame images.

  分析火焰数字图像，讨论了火焰锋面位置、火焰面积、平均灰度的计算方法。

• abstr: objective: to explore the differences of cbct image gray value of commonly used dental materials.

  文章摘要：目的：探索口腔常用修复材料在cbct影像中的灰度值的差异规律。

• symbiotic matrix and feature extraction in the application for two or gray value image feature extraction.

  共生矩阵及其在特征提取中的应用，用于灰度或二值图象的特征提取中。

• firstly we can detect the simple target by the gray value feature;

  该算法首先根据最基本的灰度值特征对简单目标进行定位；

• remote sensing images indicate the physical objects with different attributes and their distribution through pixel gray value differences and the level of spatial variation.

  遥感图像通过像元灰度值的高低差异和空间变化来表示不同属性的地物目标及其分布情况。

• firstly, we detect the points of interest in a pair of images in image sequence, and then match the point set using the gray value differential invariants.

  首先在序列的两幅图像中检测兴趣点，并运用灰度差分不变量进行两点集之间的匹配。

• for less than the threshold gray value directly set pixel gray value of 0 gray value greater than the threshold value is set to 255 pixels directly.

  对于灰度值小于阈值的象素直接设置灰度值为0；灰度值大于阈值的象素直接设置为255。

• only considering the gray value of objects is not sufficient to extract the thematic information-objects boundary.

  仅仅考虑灰度差异并不能满足专题信息地物边缘提取的需要。

• the latter carries on the processing of the gray value of each pixel directly at the two-dimensional space to which the image belongs.

  后者是直接在图像所在的二维空间进行处理，即直接对每一象素的灰度值进行处理。

• for hyper-spectral images, the research contents have been changed from gray value to gray vector and from one-dimensional space to hyper-dimensional space.

  对高光谱影像而言，此时研究的对象已由象元灰度值转变为灰度矢量，研究域由一维的灰度空间延伸到多维的光谱空间。

• the image has been divided into several sections, the gray value of the largest, second and third of each section has been embeded watermarking by module 2.

  将图像划分为若干节，对每节最大、第二、第三等三个灰度值分别采用模2法嵌入水印。

• the gray value of signal point is unchanged.

  对信号点不加处理，灰度值不变。

• an improving noise eliminated difference template based on the analysis of object and background gray value also has been developed to eliminate the low frequency noise in image.

  对图像中的低频噪声，基于对图像中目标与背景灰度值特点的分析，提出了改进的差分去噪声模板。

• the gamma curve characteristic is an important parameter of lcd tv. the gamma curve characteristic has great influences upon the re-appears of gray value and the white balance of lcd tv.

  gamma曲线是液晶显示器件一项重要的参数，gamma曲线特性对液晶显示器件的灰度重现、颜色白平衡有极大的影响。

• an edge enhancement and detection image is obtained by transforming the fractal dimension value of each pixel over the whole image to the gray value of it.

  通过将整个医用图像中每个像素的分形值，转化为相应象素的灰度值，得到了边缘增强和检测图。

• this paper does some experiments and analysis on the single pixel gray value of natural images. we find that lognormal distribution can be used for the coarse and simple model of single pixel gray.

  本文针对自然图象中单像素灰度值的统计规律进行实验和分析，发现对数正态分布可以对之进行粗略、简单的建模。

• in ca2 and dg, the positive cell number and gray value of group b had no significant difference from the other groups (p>0.05).

  而在ca2区和dg区，b组阳性细胞数、灰度值与各组差异无统计学意义。

• when the original image point multiply the transformation matrix, a new image position, the position may not integer, this position gray value by gray interpolation gain needed.

  当原始图像点乘以变换矩阵，得到新的图像位置点时，其位置可能不是整数值，该位置的灰度值需要通过灰度插值获得。

• according to the changes of gray value range of images pollute by salt and pepper noise, this paper proposed an improved weighted mean filtering algorithm.

  根据椒盐噪声污染图像灰度值取值范围的变化，提出了一种改进的加权均值滤波算法。

• since illumination condition effects recognition ratio for human face greatly, while average gray value of every face image is different, we must standardize gray value of face images.

  由于人脸识别率受照明条件的影响较大，而各个人脸图像的平均灰度值各不相同，所以必须对人脸图像进行灰度归一化。

• secondly, a quantization matrix related to image's gray value is corrected utilizing the visual masking in dct domain, making the watermark adaptively embed into the least sensitive part;

  在嵌入算法中利用dct域的视觉掩盖特性，修正了一个与图像灰度值有关的量化矩阵，使得水印自适应地嵌入到原始图像中人眼较为不敏感的部分；

• the relationship between density and gray was defined, and the digital gray value was recommended.

  建立了黑度与灰度间的联系并给出了推荐值。