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  2. Top-hat transform - Wikipedia

    en.wikipedia.org/wiki/Top-hat_transform

    In mathematical morphology and digital image processing, a top-hat transform is an operation that extracts small elements and details from given images.There exist two types of top-hat transform: the white top-hat transform is defined as the difference between the input image and its opening by some structuring element, while the black top-hat transform is defined dually as the difference ...

  3. Category : Images that should have transparent backgrounds

    en.wikipedia.org/wiki/Category:Images_that...

    Media in category "Images that should have transparent backgrounds" The following 105 files are in this category, out of 105 total. 111th Battle For The Bell.jpeg 370 × 208; 33 KB

  4. John Hetherington - Wikipedia

    en.wikipedia.org/wiki/John_Hetherington

    John Hetherington... was arraigned before the Lord Mayor yesterday on a charge of breach of the peace and inciting to riot, and was required to give bonds in the sum of £500 [b] [for having] appeared upon the public highway wearing upon his head what he called a silk hat... a tall structure, having a shiny lustre, and calculated to frighten ...

  5. Top Hat (film) - Wikipedia

    en.wikipedia.org/?title=Top_Hat_(film)&redirect=no

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Top_Hat_(film)&oldid=203105936"

  6. Transparency (graphic) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(graphic)

    The edges of characters and other images with transparent background should not have shades of gray: these are normally used for intermediate colors between the color of the letter/image and that of the background, typically shades of gray being intermediate between a black letter and a white background. However, with, for example, a red ...

  7. Tricorne - Wikipedia

    en.wikipedia.org/wiki/Tricorne

    The hat was typically worn with one point facing forward, though it was not at all unusual for soldiers, who would often rest a rifle or musket on their right shoulder, to wear the tricorne pointed to the left to allow better clearance. The crown is low, unlike the steeple hats worn by the Puritans or the top hat of the 19th century. [4]

  8. History of Advertising Trust - Wikipedia

    en.wikipedia.org/wiki/History_of_Advertising_Trust

    HAT offers a comprehensive image and reference library, research services and a professional storage service for marketing and agency archives. It is archivist to many companies and advertising agencies as well as to organisations such as the Advertising Association and the Institute of Practitioners in Advertising (for further details, see ...

  9. Tin foil hat - Wikipedia

    en.wikipedia.org/wiki/Tin_foil_hat

    A tin foil hat is a hat made from one or more sheets of tin foil or aluminium foil, or a piece of conventional headgear lined with foil, often worn in the belief or hope that it shields the brain from threats such as electromagnetic fields, mind control, and mind reading.