Recognition of Invoices from Scanned Documents. - Hien Thi Ha (RASLAN, 2017)

Recognition of OCR Invoice Metadata Block Types. - Hien Thi Ha; Marek Medved; Zuzana Neverilová; Ales Horák (TSD, 2018)

Approximate String Matching for Detecting Keywords in Scanned Business Documents. - Hien Thi Ha (RASLAN, 2019)

Contract Metadata Identification in Czech Scanned Documents. - Hien Thi Ha; Ales Horák; Minh Tuan Bui (ICAART (2), 2021)

Who is Selling to Whom - Feature Evaluation for Multi-block Classification in Invoice Information Extraction. - Hien Thi Ha; Ales Horák (SPECOM, 2021)

Information extraction from scanned invoice images using text analysis and layout features. - Hien Thi Ha; Ales Horák (Signal Process. Image Commun., 2022)

Improving Layout Analysis of Scanned Invoices Using Line Detection. - Hien Thi Ha (RASLAN, 2024)