Japanese Language Support for OCRopus

Existing Open Source OCR Systems that Can Handle Japanese

Existing Commercial OCR Systems that Can Handle Japanese

• ABBYY engine, windows only - price unknown, NDA, limited licensing, etc.
• Panasonic (Matsushita) 読取革命 ~13000 yen (user software) 500,000 yen for Engine 
• Readiris Pro 11 Asian Edition - $199.99 (information in English) 

Technical Papers

Ground-Truthed Japanese OCR Data (Scans + Transcription)

Japanese Dictionaries and Text Corpora (for Statistical Language Modeling)

Other Issues