Scanners for streaming digitization of unstitched large-format documents (drawings, diagrams, posters, etc.) with a width of up to 1118 mm, no length limit. These scanners have a large optical resolution of up to 2400 dpi, a wide dynamic range (D) of up to 3.9, a color depth of up to 48 bit and a scanning speed of up to 100 cm per minute. These scanners have TWAIN and ISYS drivers that provide excellent scanning quality. The cost of such scanners starts from $10,000.