拼接可大幅度地提高光电接收器的总像元数，并在实际工程中应用。
The assembly can raise total pixel numbers of photodetector in largescale, and can be applied to practical engineering.
采用变换矢栅转换过程中像元尺度的方法，对福建省武夷山自然保护区景观格局指数的尺度效应进行分析，并利用分维数方法选取最佳的像元尺度值。
Using a changing pixel scale method in translating vector images to grade images, the effect of scale on landscape pattern indices for the Wuyishan Nature Reserve was studied.
灰度共生矩阵法能够从像元的灰度相关性上对纹理特征进行描述，而分形维数反映了纹理的结构自相似特征。
GLCM describes texture features from pixel correlation of gray and the fractal dimension reflects the structure of self-similar.
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