Fig. 1From: Image Analysis and DC Conductivity Measurement for the Evaluation of Carbon Nanotube Distribution in Cement MatrixImage processing procedures (image size: 295 × 355 pixel): a Image acquisition, b gathering of areas that are well optically focused and assemble them together, c conversion of the image to a black and white image by thresholding, d reversal of the image, and e conversion of the image to a binary image.Back to article page