# A novel image registration-based dynamic photometric stereo method for online defect detection in aluminum alloy castings

> Research article (Digital Signal Processing, 2023) · cited 14× · AI/ML

**Wikidata**: [openalex:W4385258582](https://www.wikidata.org/wiki/openalex:W4385258582)  
**Source**: https://4ort.xyz/entity/a-novel-image-registration-based-dynamic-photometric-stereo-method-for-online-defect-detection-in-aluminum-alloy-casting