# An integrated constrained gradient descent (iCGD) protocol to correct scan-positional errors for electron ptychography with high accuracy and precision

> Research article (Ultramicroscopy, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4323980191](https://www.wikidata.org/wiki/openalex:W4323980191)  
**Source**: https://4ort.xyz/entity/an-integrated-constrained-gradient-descent-icgd-protocol-to-correct-scan-positional-errors-for-electron-ptychography-wit