An electronic document can have many variencies.

Numpy vector:
Draw an image using numpy
Read an image using numpy

Written Scripts to Prepare Images:
To Lineart
Find logo
To Box Outlines
To Contours
Subtract Image from image

Prep:
Text Segmentation
Word Segmentation
Stroke Width Transform
Canny Edge Detection
Connected Component Labeling

Top things to try with images:
Image Difference
Straighten Paragraph
Watermark / Merge Image

Building dataset:
Printed Text

Predicting:
Whole page example

• Keras OCR1
• Keras OCR2
• Keras text with variable length

Multi Label
Checked Box
Image as Blob
Document Scanner
Paper Check
Colorfulness
Digits Elec
Object Coordinates

Scripting:
Per Pixel Data Collection