Xiang, F., H. Yong, S. Dandan, and Z. Jiexian. “An Image Retrieval Method Based on Hu Invariant Moment and Improved Annular Histogram”. Elektronika ir Elektrotechnika 19, no. 10 (March 28, 2013): 114-118. Accessed December 22, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/3925.