9-2 反復クロスバイラテラルフィルタによる画像の2値化(第9部門 メディア処理4)

抄録

We propose an image binarization method for preserving local contrasts between neighboring bright and dark regions. We propagate the information of the sign and intensity of gradient of principal edges to the whole image by using iterative cross bilateral filter (ICBF), and then binarize it with a simple thresholding. Experimental results on synthetic and real images show the effectiveness of the proposed binarization method.