For digital image sharpening, see Deblurring and Unsharp masking.
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Sharpening is the process of creating or refining the edge joining two non-coplanar faces into a converging apex, thereby creating an edge of appropriate shape on a tool or implement designed for cutting. Sharpening is done by removing material on an implement with an abrasive substance harder than the material of the implement, followed sometimes by processes to polish/hone the sharp surface to increase smoothness.
A hand-held tungsten carbide knife sharpener, with a finger guard, can be used for sharpening plain and serrated edges on pocket knives and multi-tools.
possible. Sharpening straight edges (knives, chisels, etc.) by hand can be divided into phases. First the edge is sharpened with an abrasive sharpening stone...
Sharpening stones, or whetstones, are used to sharpen the edges of steel tools such as knives through grinding and honing. Such stones come in a wide...
sharpening: removing metal to form a new edge rough sharpening (using either water stones, oil stones, or medium grits of sandpaper) fine sharpening (using...
A sharpening jig is often used when sharpening woodworking tools. Many of the tools used in woodworking have steel blades which are sharpened to a fine...
Human tooth sharpening is the practice of manually sharpening the teeth, usually the front incisors. Filed teeth are customary in various cultures. Many...
Unsharp masking (USM) is an image sharpening technique, first implemented in darkroom photography, but now commonly used in digital image processing software...
Leveling and sharpening are two functions that are automatic and exist within memory. Sharpening is usually the way people remember small details in the...
commercially available swords have been manufactured by stock removal. Sharpening Japanese swordsmithing Tonelli, Gabriele; Faccoli, Michela; Gotti, Roberto;...
sharpener (or pencil pointer, or in Ireland a parer or topper) is a tool for sharpening a pencil's writing point by shaving away its worn surface. Pencil sharpeners...
Sharpen Your Sticks is the fifth album by The Bags. The album's title track, "Cavemen Rejoice", is also featured as a playable track on PlayStation 2...
A honing steel, sometimes referred to as a sharpening steel, whet steel, sharpening stick, sharpening rod, butcher's steel, and chef's steel, is a rod...
tools. Sharpening a graver or burin requires either a sharpening stone or wheel. Harder carbide and steel gravers require diamond-grade sharpening wheels;...
Sharpen Up the Knives is a compilation album by the English alternative rock band Puressence. The album's track listing consists mostly of tracks from...
harder than natural sharpening stones and is as hard as alumina sharpening stones. Zirconium dioxide is also harder than garnet sharpening stones and is nearly...
y)=\|x-y\|} ), the last property can be made stronger using the Krull sharpening to: ‖ x + y ‖ ≤ max { ‖ x ‖ , ‖ y ‖ } {\displaystyle \|x+y\|\leq \max...
infused with abrasive compound may be used for stropping. Knife sharpeningSharpeningSharpening stone "What Does Stropping Do". 2014-08-13. Archived from the...
grinding stone, is a sharpening stone used for grinding or sharpening ferrous tools, used since ancient times. Tools are sharpened by the stone's abrasive...
Sharpen Your Teeth is the only studio album by the indie rock band Ugly Casanova. Brainchild of Modest Mouse lead singer Isaac Brock, Ugly Casanova was...
Latin manuscript Propositiones ad Acuendos Juvenes (English: Problems to Sharpen the Young) is one of the earliest known collections of recreational mathematics...
Impostors. London: John Lane. As he came along in the train, he had been sharpening a pencil, and the sudden jolt of the engine as it drew up at a station...
and Western Europe. They moved through the towns and offered sharpening and sharpening knives and scissors. In the second half of the 20th century, the...
from becoming slippery; that it delineates the end of the blade whilst sharpening; that it is a symbol representing a cow's foot, or Shiva; or that it can...
drying. It will retain its shape adequately, requiring only infrequent sharpening; it can be used repeatedly until there is little left of it. The strongest...
first component with the pan band. Pan-sharpening techniques can result in spectral distortions when pan sharpening satellite images as a result of the nature...
Retrieved 24 November 2012. Steve Bottorff (1 January 2002). Sharpening Made Easy: A Primer on Sharpening Knives and Other Edged Tools. Knife World Publications...
original on 25 November 2011. Retrieved 3 October 2011. "The spotlight sharpens: Eni and corruption in Republic of Congo's oil sector". Global Witness...
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