(mathematics, signal processing) Synonym of black top-hat transform

plural of bottom-hat transform

plural of top-hat transform

(mathematics, signal processing) A particular operation that extracts small elements and details from images.

(dated, military, slang, UK, usually passive) To eject (someone) from an organization.

To beg for contributions; to take up a collection.

A hat with four peaked flaps, worn by the Sami.

(informal) the cylindrical top hat traditionally worn by gentlemen

Alternative spelling of ten-gallon hat.

A piece of headgear made from one or more sheets of tin foil, aluminium foil, or other similar material, especially when worn in the belief that it shields the brain from electromagnetic fields, or against mind control and/or mind reading.