在图像增强方面，尝试了直方图均衡化增强方法，并对其处理结果进行了分析。

The method of histogram equalization is attempted to used in the sonar image, and the result is analyzed.

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目前对有雾图像的增强和恢复研究主要集中于局部直方图均衡化和大气散射模型两个方面。

Up to the present, the research on this subject mainly focuses on the local histogram equalization and atmospheric scattering model.

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首先对彩色图片进行灰度化，再采用直方图均衡化的方法来进行图片的预处理，以获得比较好的图像拼接效果。

First carries on the gradation to the colored picture, again USES the histogram equalizing the method to carry on the picture the pretreatment, obtains the quite good image splicing effect.

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