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Moose |
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Don't make me assume my ultimate form!
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Reged: 05/03/04
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Posts: 1483
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Loc: Outback, Australia
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Attached is a ZIP containing my Java source code that analyses an image and automatically works out the 1/0 for each region. Also includes 2 images (screen shots from siprOn).
NOTES:
* The "average brightness of the top 50 pixels in a region" seemed to work
better than the "average brightness of all pixels in a region".
But I have left the code for both averages in so anyone can explore
further. 
* This code works for included screen shots (see "Sample Output" below).
* For other screen shots to work, you will probably need to adjust the
size, offsets, etc below.
* The threshold value - oneZeroThresholdValue - will almost certainly
need adjusting for different images / scans.
* Lots of improvements could easily be added (let me know if I can help).
e.g. a nice GUI interface, drag and drop, image parameter sensing (where the
red lines are, etc), and so on.
Sample Output:
instructions_03.png
10011011
00011110
11101101
00001001
11110110
11001100
10111111
11110110
== 100% correct !
instructions_04_enlarge - one bit in the image is dirty.png
11100010
11101101
11110000
01111111
11111010
11100111
11100001
11010111
== 100% correct !
If you can make use of this Java code, great. Otherwise, no worries.
100% Freeware - any person, any company, etc can use/adapt freely. (If you want to give me credit, great, but not mandatory).
Update: new version attached - it processes both files - to need to comment/uncomment 2 lines and re-run, tidy up some code, output more information for each image.
Moose
Edited by Moose (07/27/17 11:15 AM)
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