Soni, Badal; Das, Pradip K.; Thounaojam, Dalton Meitei: 'CMFD: a detailed review of block based and key feature based techniques in image copy-move forgery detection', IET Image Processing, 2018, 12, (2), p. 167-178, DOI: 10.1049/iet-ipr.2017.0441 IET Digital Library, https://digital-library.theiet.org/;jsessionid=3r7vonn7aegdv.x-iet-live-01content/journals/10.1049/iet-ipr.2017.0441