Linear scan electronic cameras; electronic cards for processing linear scan images; automatic inspection systems and automatic control systems, both comprising lighting sources, scanners, lasers, cameras, image processors, computers, and network interface devices, for continuous processes, especially for rolling mills, strip mills with or without printing, unbleached or printed fabric in a roll, unrolled wood or boards, plain or printed paper in a roll, printed or unprinted flat or corrugated cardboard; automatic inspection systems and automatic surface control systems, both comprising lighting sources, scanners, lasers, cameras, image processors, computers, and network interface devices; automatic printing inspection systems and automatic print quality control systems, both comprising lighting sources, scanners, lasers, cameras, image processors, computers, and network interface devices, on any material; automatic inspection systems and automatic control systems, both comprising lighting sources, scanners, lasers, cameras, image processors, computers, and network interface devices, for food and electronic products; system comprising computer hardware, networks, reporting and statistic software and software for inspecting and controlling continuous processes