c语言编程实现的指导滤波器算法，使用积分图优化-the guidance filter algorithm c programming language, using the integral image optimization

5小波滤波器增强方案快速积分B-wavelet变换和锥体multi-B小波算法。应用与计算谐波分析_nelson_acha 18(3)234 - 251 234-5 A wavelet filter enhancement scheme with a fast integral B-wavelet transform and pyramidal multi-B wavelet algorithm . Applied & Computational Harmonic Analysis 18(3)

用盒状滤波器对积分图像进行滤波，在进行特征点检测，大大减少了时间。(Using the box filter to filter the integral image, the feature points are detected and the time is greatly reduced.)