What does rectification refer to in geospatial data?

Rectification in geospatial data refers specifically to the process of correcting geometrical distortions in images or maps. This process is crucial because many types of remote sensing data, particularly satellite imagery or aerial photographs, can contain distortions due to various factors such as lens curvature, topographic variations, or the angle of capture. By rectifying these images, geospatial professionals ensure that the spatial representation aligns correctly with geographic coordinates, facilitating accurate analysis and interpretation.

This corrected alignment allows for effective integration with other spatial datasets and supports precise measurements and decision-making in applications like mapping, land use planning, and environmental monitoring. The accuracy achieved through rectification is essential for any subsequent analysis or applications that rely on the integrity of the spatial information.