Method of Successive Calculations of Arctangent for Succesive Points on Discrete Cartesian Coordinate
Fumio MATSUDA, Haruhisa SHIRAYA, Youichi YAMAKAWA, Masafumi Ito, Hideo Kitagawa, Shuzou HATTORI · Transactions of the Society of Instrument and Control Engineers · 1989
In digital image processing, calculations of arctangent are done many times in a limited time for extracting straight lines from a contour line by using a line-fitting method. We proposed a method of successive calculations of Arctangent (y/x) whose y and x have successive discrete values.