This question is about selecting valid training files for a custom Form Recognizer model in Azure AI Document Intelligence (formerly Form Recognizer).
Supported File Formats for Training
According to Microsoft documentation, Form Recognizer supports the following for training and analysis:
PDF (# 500 pages, # 50 MB for training)
JPEG/JPG (# 50 MB)
PNG (# 50 MB)
TIFF (# 50 MB)
Unsupported:
MP4 # Video not supported.
GIF # Not supported.
Maximum File Size Rules (for training input files):
Images (JPG, PNG, TIFF): # 50 MB
PDFs: # 50 MB
Note: 500 pages limit applies to PDFs.
File-by-File Analysis
File1 - PDF - 20 MB
Type supported.
Size within limit ( < 50 MB).
Valid #
File2 - MP4 - 100 MB
MP4 is not supported.
Invalid #
File3 - JPG - 20 MB
Type supported.
Size within limit ( < 50 MB).
Valid #
File4 - PDF - 100 MB
Type supported.
Size exceeds the 50 MB maximum limit.
Invalid #
File5 - GIF - 1 MB
GIF format not supported.
Invalid #
File6 - JPG - 40 MB
Type supported.
Size within limit ( < 50 MB).
Valid #
The answer:
A). File1, C. File3, F. File6
Microsoft References
Azure AI Document Intelligence (Form Recognizer) - Supported file formats Train a custom model with Azure Form Recognizer