And the signal-to-noise ratio(SNR) of the image is low,so it is hard to detect and identify. Statistical decision formula has been obtained by Poisson distribution probability function and GLRT method under the known grey level image of object.
该方法在仅有目标物灰度图像已知的情况下,使用泊松分布概率函数和广义似然比检验方法得到统计判决公式,通过该公式计算原始图像中各个位置的检验器值,对光子图像进行目标探测。
参考来源 - 光子图像中基于广义似然比检验的目标探测方法·2,447,543篇论文数据，部分数据来源于NoteExpress
The grey level processing in a sampling window is a very important method for image transforming.
窗口灰阶处理是一种具有重要意义的图象变换方法。
In the candidate building area searching step, an image segmentation method based on grey level co-occurrence matrix (GLCM) is adopted to get candidate building areas in an urban image.
在建筑物候选区域的寻找阶段，本文主要采用了一种基于灰度共生矩阵的方法对图像进行分割，从分割结果中得到建筑物的候选区域。
An utility method of interactive image grey level transformation is introduced in this paper.
本文阐述了一种实用的交互式图象灰度变换方法。
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