- IB
- Question Type 6: Assigning values to points using Nearest Neighbor Interpolation
Four sensors are located at with reading , with reading , with reading , and with reading . Use nearest neighbor interpolation to estimate the readings at: (a) (b)
[6]Consider four sample points with value 1, with value 2, with value 3, and with value 4.
Determine the interpolated values at the following points using nearest neighbor interpolation: (a) (b) (c)
[6]Given two sites and , derive the equation of the perpendicular bisector that separates their Voronoi regions.
[6]Given three sites , , and , find the vertices of the Voronoi cell of by computing intersections of the perpendicular bisectors of and within the first quadrant.
[6]Suppose you have sensors at , , and . A new sensor is added at . Describe how the Voronoi cell of changes qualitatively after adding .
[4]Within the square domain , there are only two sites: and . Compute the area of the Voronoi region belonging to .
[3]Given sample points with value , with value , and with value , use nearest neighbor interpolation to find the value at point .
[2]Given sites , , , and , each with distinct values, write the system of inequalities that defines the region where is the nearest neighbor.
[5]List the half-plane inequalities that describe the Voronoi cell of given neighboring sites , , and .
[5]The following diagram shows an air-quality monitoring network with three sensors at locations , , and , and a target location .

An air-quality monitoring network has sensors at with a reading of 30, with a reading of 50, and with a reading of 40. Estimate the reading at location using nearest neighbor interpolation.
[3]