Order statistic filteringis performed similar to median filtering: a window is moved over the picture and thekth order statistic of the values within the window is computed. In image processing, order statistic filters are also known aspercentile filters[12,13, p. 195]and, more commonly, asran...
Even when you know your radicals inside out, have made a nice story (or mnemonic) woman 女 (nǚ) under a roof 宀 (mián) = peace 安 (ān), putting pen to paper can still be a bit of a daunting prospect. Remembering the stroke order for each and every Chinese character is, ...