Ads
related to: hp 7740 not scanning 11x17 copy pdf
Search results
Results From The WOW.Com Content Network
The difference between the non-photo blue and black ink is great enough that digital image manipulation can separate the two easily. If a black-and-white bitmap setting is scanned in, the exposure or threshold number can be set high enough to detect the black ink or dark images being scanned, but low enough to leave out the non-photo blue.
Alexander Murray and Richard Morse invented and patented the first analog color scanner at Eastman Kodak in 1937. Intended for color separation at printing presses, their machine was an analog drum scanner that imaged a color transparency mounted in the drum, with a light source placed underneath the film, and three photocells with red, green, and blue color filters reading each spot on the ...
Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper and plastic substrates. [1] Inkjet printers were the most commonly used type of printer in 2008, [2] and range from small inexpensive consumer models to expensive professional machines.
Book scanning or book digitization (also: magazine scanning or magazine digitization) is the process of converting physical books and magazines into digital media such as images, electronic text, or electronic books (e-books) by using an image scanner. [1] Large scale book scanning projects have made many books available online. [2]
People often upload images and other media files to Wikipedia and to the Wikimedia Commons – photographs, works of art, posters, etc. – and claim them as their "own work" or as "self-made", and even themselves as the "author", under the idea that scanning a document they have access to, photographing some work or item (as opposed to a scene ...