As shown in the following code snippet, the bright-pass filter first maps the scene to a desired middle gray target luminance before subtracting out the dark areas.
下面的代码片段展示了光亮过滤器在减去黑暗区域之前首先映射场景到希望的中等灰度的亮度的物体。
Morphological filtration is a new nonlinear filtration technology. It is most effective to (filter) pulse noise in the processing of gray images.
形态滤波是一种新型的非线性滤波技术，在灰度图像处理中，它对滤除脉冲噪声最为有效。
Treat with plate grain image got by video using methods of gray level transformation, median filter, erosion, expansion and so on, gain the image which only includes grain, then detect brim of grain.
对视频采集到的板材纹理图像进行灰度化、中值滤波去噪、二值化、腐蚀、膨胀等处理，得到仅包含目标纹理的图像后检测纹理边缘。
The first stage is include image's gray numbers on average, image enhancing by average filter, part enhancing and enhancing by homeostasis filter.
其中图像预处理包括直方图均衡化、中值滤波、局部增强、同态滤波增强等工序；
A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.
根据空间光调制器的相位调制作用，提出了一种灰阶纯位相匹配滤波器编码方法。
After the gray transformation and the histogram equalization, these images were filtered by a frequency-domain homomorphic filter, hence noises in the images were greatly reduced.
利用自开发软件，对图像进行灰度变换和直方图均衡化处理后，采用频域同态滤波的方法对图像进行降噪滤波处理。
First, nonlinear stack filter is applied to estimate the maximum and minimum of noise-free image's gray scale value in a local region.
首先非线性堆滤波器用于求出图象某象素点邻域内的灰度最大值与最小值的最优估计，然后以此两估计值之差代替原象素点灰度值。
A wide range of tools available, including Crop, Flip, Shallow, Gray and Filter.
广泛的可用的工具，包括作物，倒装，浅灰色。
Comprehensive use of gray scale statistics, FIR filter and the median, the background extraction algorithm can extract accurate and reliable background.
背景提取算法综合运用灰度统计、FIR滤波和中值法，提取的背景准确可靠。
The methods of image processing included gray transformation, threshold segmentation, logic calculation, spatial filter and so on. They were all analyzed in great detail.
论文对所用到的图像预处理的方法都进行了详细的分析，并给出了它们的算法框图或部分源代码，也对比了各种方法处理前后的效果。
The methods of image processing included gray transformation, threshold segmentation, logic calculation, spatial filter and so on. They were all analyzed in great detail.
论文对所用到的图像预处理的方法都进行了详细的分析，并给出了它们的算法框图或部分源代码，也对比了各种方法处理前后的效果。
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