STEM correction
STEM image acquisition typically requires significantly more time compared to fixed-beam TEM imaging. Due to inherent system instabilities, such as sample drift, the resulting images may exhibit noticeable distortions.
A solution involves capturing two STEM images of the same area with perpendicular scanning directions. At the first step, correction for the linear drift is performed. Then, the non-linear instabilities within frames are corrected.
The correction for multi-frame STEM will be included soon.
![[alt]](lattice.gif)
![[alt]](multiframe.gif)
STEM Corrector
Stand-alone tool to correct STEM distortions.
Main features:
- Reads DigitalMicrograph, PantaRhei and ThermoFisher TIA STEM images, exports to DigitalMicrograph and PantaRhei
- Requires two perpendicular scan acquisitions
- Corrects drift-related distortions
| Application | Extension | Read | Write |
|---|---|---|---|
| DigitalMicrograph (Ametek) | dm3, dm4 | Yes | Yes |
| TIA (FEI/Thermofisher) | ser | Yes | No |
| PantaRhei (CEOS) | prz | Yes | Yes |
| numpy | npy | Yes | Yes |
Detailed description of the algorithms: "Correction of STEM Distortions" (arxiv 2605.11018)
Introduction to STEM Corrector (PDF)
Youtube Tutorials (Category: TEMDM STEM Corrector)
STEM Corrector Download
Version 1.3.4 (23.05.2026, valid till 31.10.2026)
Installation instructions (Windows)
- Installer: double-click and follow instructions.
- ZIP: extract to Program Files, run STEMcor.exe.
If you download STEM Corrector, it is strongly recommended to also download the learning examples:
temDM STEMCOR plugin for DigitalMicrograph
Last updated 31.12.2021 — version 1.82