gridscan
nounUK /ˈɡrɪd.skæn/
US /ˈɡrɪd.skæn/
A gridscan is a careful look over a whole area, square by square.
The robot did a gridscan of the garden to find every hidden ball.
OTHER MEANINGS
2. A computer image made of many small squares.
The game showed a gridscan of the maze on the screen.
3. To check a place by looking at each square part in order.
They gridscanned the beach to find the lost keys.
4. A way of reading a picture by dividing it into rows and columns.
The app uses a gridscan to turn the photo into pixels.