A Heuristic Graphic Filter

Category:
Screen/Graphics
Type:
Applications
Difficulty:
Advanced
Author:
G. Choquette

Version Compatibility: Visual Basic 6

More information:
What the heck is a heuristic graphic filter? In this case, heuristic means a technique in which a computer works along empirical methods, using rules of thumb, to find solutions or answers. The application described here is to have the computer "recognize" a parameter from a graphic image.

Identifying a red line on a chart is simple task for most people, but not so easy for a computer. The reason is "red" is not always = RGB(255, 0, 0). When the red line is drawn by a pen and optically scanned, red turns out to be various shades red, pink, purple, and orange. The trick here is to "train" the computer as to what you would call the red line.

Full Documentation included.

Note that this application requires a reference to MS ADO 2.6. It works best at screen resolutions greater than 1028 X 1024.

This document and source code is provided as is and only for non-commercial, educational purposes. The author reserves all commercial rights. The use of any of this code in any commercial applications requires the expressed written consent from the author.


Instructions: Click the link below to download the code. Select 'Save' from the IE popup dialog. Once downloaded, open the .zip file from your local drive using WinZip or a comparable program to view the contents.

Download chartfilter.zip