一种基于白平衡和多项式回归结合的中医望诊图像校正算法

A Chinese Medicine Diagnosis Image Correction Algorithm Based on White Balance and Polynomial Regression

提出一种基于自动白平衡和多项式回归相结合的图像校正算法.首先采用基于完美反射的白平衡算法对图像色彩进行整体调整,然后以24色标准色卡为参考色,使用多项式回归算法对图像进行色彩校正.实验结果表明,算法优于传统的颜色校正算法,能更好地实现肤色校正.

Human skin color and brightness deviation under different lighting conditions are the main problems faced by digital Chinese medicine diagnosis.Nowadays,common solutions have their own advantages and disadvantages.An image correction algorithm is proposed based on automatic white balance and polynomial regression.The algorithm firstly uses the white balance algorithm based on perfect reflection to adjust the color of the image as a whole,then uses the 24-color standard color card as the reference color,and uses the polynomial regression algorithm to color correct the image.The experimental results show that the proposed algorithm is superior to the traditional color correction algorithm and can better achieve skin color correction.