The preprocessing algorithm for License Plate Recognition(LPR) includes image enhancement, binary conversion and noise reduction.
车牌识别中的预处理包括图像增强，二值化和噪声去除。
The image preprocessing based on infrared image mode recognition includes noise reduction, image enhancement and image segmentation.
基于红外图像模式识别的图像预处理，包括滤波降噪、目标增强、图像分割等处理。
Traditional image enhancement algorithm enhances the contrast grade and noise of image at the same time. So, noise reduction is needed.
传统图像增强算法在增强对比度的同时，也很大地提升图像噪声，需要对图像进行降噪处理。
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