Calculate the sum of a selected number of pixels above a level threshold.
BSEditor: This filter calculates the sum of a selected number of Pixels above a level Threshold. It has been primarily developed for biological protein strand analysis although it is suitable for various other uses. Thanks to David Ng for conceptualization.

Note:
This filter works in 8-bit grayscale mode only. If you see The Filter name grayed out, it means you are probably not in grayscale mode. you can free download Pixel Quantification 1.1 now.