Prasannakumar Palaniappan and  Dong Ho Shin and  Chul Gyu Song,  Image Enhancement Algorithm of Photoacoustic Tomography Using Active Contour Filtering.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2016, vol. 112(4). 724 - 728
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10004152.