Changes

===Alternative Implementation===

===Alternative Implementation===

Use grayscale instead of B&W. Position, etc would be calculated based on weighted pixels. This would be able to pick up sub-pixel changes and provide smoother, more accurate data.

Use grayscale instead of B&W. Position, etc would be calculated based on weighted pixels. This would be able to pick up sub-pixel changes and provide smoother and more accurate data.

[[Category:Software]]

[[Category:Software]]