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A torn sheet of paper Mending the Tears, print by Winslow Homer (1888), Los Angeles County Museum of Art Tearing is the act of breaking apart a material by force, without the aid of a cutting tool . A tear in a piece of paper , fabric , or some other similar object may be the result of the intentional effort with one's bare hands, or be accidental.
In advertising, a tear sheet is a page cut or torn from a publication to prove to the client that the advertisement was published. Media buying agencies are often required by clients to provide tear sheets along with a post analysis of any advertising campaign . [ 1 ]
In printing, bleed is printing that goes beyond the edge of where the sheet will be trimmed. In other words, the bleed is the area to be trimmed off. The bleed is the part on the side of a document that gives the printer a small amount of space to account for natural movement of the paper during guillotining, [1] and design inconsistencies ...
Also in 1854 a "rotary process" was patented by William Bemrose and Henry Howe Bemrose.The Bemrose machine was designed as a rouletting machine. As such, it proved impracticable for stamp separation but in 1856 was successfully converted to a perforating machine by George C. Howard of Toppan Carpenter, stamp printers for the American Government. [3]
An example of dodge & burn effects applied to a digital photograph. Dodging and burning are techniques used during the printing process to manipulate the exposure of select areas on a photographic print, deviating from the rest of the image's exposure.
Book trimming is the stage of the book production process in which the page edges of a book are trimmed so that all pages will stack with perfect edge alignment within the finished book jacket. The step before book trimming is the binding of the folded printing sheets.
Metal burr extending beyond the edge of the cut piece, view on the cut face (top) and from the bottom (bottom) A burr is a raised edge or small piece of material that remains attached to a workpiece after a modification process. [1] It is usually an unwanted piece of material and is removed with a deburring tool in a process called deburring.
The result therefore shows how "abruptly" or "smoothly" the image changes at that point, and therefore how likely it is that part of the image represents an edge, as well as how that edge is likely to be oriented. In practice, the magnitude (likelihood of an edge) calculation is more reliable and easier to interpret than the direction calculation.