XMM-Newton Science Analysis System

imgrad (tools-1.68) [xmmsas_20201028_0905-19.0.0]

imgrad

Abstract:

This task approximates the gradient at each pixel of an image by doing least-squares fitting of a plane to the 3x3 array of values centred on each pixel.

Instruments/Modes
Description
Parameters
Errors
Input Files
Output Files
Algorithm
Bibliography
Index

XMM-Newton SOC -- 2021-01-26