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- W4384160171 abstract "针对红外图像细节模糊、对比度低等问题，提出了一种基于二次引导滤波的红外图像增强算法。首先，将原始红外图像作为引导图像，使用引导滤波提取出红外图像的细节信息；其次，将得到的细节信息再进行一次引导滤波处理提取出噪声更低的细节信息；最后，将原始红外图像和两部分的细节信息进行加权求和，实现红外图像增强。该算法能够提高红外图像对比度，增强红外图像细节信息。实验结果表明：相比于其他增强算法，本文算法增强之后的红外图像平均对比度提高了123%～246%，平均梯度提升了56%～101%，视觉效果获得明显改善，更能突显细节特征。基于可编程逻辑门阵列(field programmable gate array, FPGA)实现该算法时，占用资源低，处理640×512像素分辨率的单帧红外图像所需时间可达10.12 ms，能满足红外探测系统的实时性要求，具有一定的实用价值。" @default.
- W4384160171 created "2023-07-14" @default.
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- W4384160171 date "2023-01-01" @default.
- W4384160171 modified "2023-10-14" @default.
- W4384160171 title "Infrared image enhancement algorithm based on secondary guided filtering and its implementation on FPGA" @default.
- W4384160171 doi "https://doi.org/10.5768/jao202344.0402002" @default.
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