The brightness uniformity of the screen is an important parameter whose measurement is the stress and difficulty in the test of image intensifiers.

像增强器荧光屏亮度均匀性是评价像增强器的重要指标，其测试是像增强器测试领域的重点与难点。

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Common kernel function RBF only has a local characteristic, with the measurement of the difference in brightness according to the Euclidean distance between pixels of two types.

常用的核函数rbf只具有局部性，根据像素间欧氏距离作为两个类别的亮度差异性测量。

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The automatic brightness control system is another design. The design includes the average and peak area exposure measurement using FPGA.

自动亮度控制硬件系统作为设计的另一个环节，利用FPGA完成了峰值测光与区域测光的设计。

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