square search

square search

[′skwer ′sərch]
(navigation)
Search by a series of course lines such as to produce an expanding square pattern relative to either a fixed point or a moving point. Also known as expanding square search.

square search

square search
A search pattern in which the initial pattern is a square, with the length of each side of the square approximately 1.8 times the prevalent visibility. After three legs of the square have been flown, the fourth leg is extended by one visibility length.
References in periodicals archive ?
After thresholding process, square search pattern is used for the calculation of minimum difference point.
In second step, uneven multihexagonal-grid search is carried out which is done by using square search pattern and then a sixteen point hexagon search is applied.
For a good search process the algorithm uses square search areas, because they do not encourage the usage of potentially better candidates for other edges and they restrict the search to a much lower subset of the input dataset.