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One can also artificially limit the range of color in a photo to those within a certain hue by using black-and-white film or paper, or by manipulating color images using computer software. Color images can be converted to black and white on the computer using several methods, including desaturating the existing color RGB image so that no color ...
To present images larger than the guidelines above (e.g. panoramas), use |thumb|center or |thumb|none, so that the image stands alone; or use {} or {} to present a very large image in a scrollable box. This image uses |thumb|center|upright=2.5 to expand the image, center it, and clear the area on either side.
Where size forcing is appropriate, larger images should generally be no more than 500 pixels tall and 400 pixels wide, so that they can comfortably be displayed on the smallest displays in common use. Lead images should usually be no wider than 300px.
The use of such a negative for making prints on paper simplified the processing of the prints, reducing their cost. The expense of color film as compared to black-and-white and the difficulty of using it with indoor lighting combined to delay its widespread adoption by amateurs. In 1950, black-and-white snapshots were still the norm.
A typical shock collar. Shock collar used on a riot police dog in 2004 in Würzburg.Two years later, [1] Germany banned the use of shock collars, even by police. [2]A shock collar or remote training collar, also known as an e-collar, Ecollar, or electronic collar, is a type of training collar that delivers shocks to the neck of a dog [3] to change behavior.
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Grayscale images are distinct from one-bit bi-tonal black-and-white images, which, in the context of computer imaging, are images with only two colors: black and white (also called bilevel or binary images). Grayscale images have many shades of gray in between.
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