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  | The LED Reader: Continued... 
 
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  | Here are the steps required for the machine vision software 
	that "finds" the LED digits in the digital images of the 
	clocks: 
	What does this look like in pictures?Convert the digital image to greyscale
	Find the Horizontal (H) and Vertical (V) Edges 
	Convert the H and V edges to Strokes 
	Remove any Strokes that are too short or too long
	Group the Strokes into Digit Candidates
	Identify the Digit Candidates as Digits 
	Group the Digits into Digit Groups
	 
 
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