Manufacturing TechnologyPublished 21 December 2023Imaging systems and techniques for fusion-based metal additive manufacturing: a reviewHimanshu Balhara · Adithyaa Karthikeyan · Abhishek Hanchate · Tapan Ganatma Nakkina · Satish T. S. BukkapatnamFrontiers in Manufacturing Technologydoi 10.3389/fmtec.2023.1271190