18. This ability to Re-Threshold at the time the document is scanned can use the (16) IQA FSTC recommended tests. These tests are built into the API and can be enabled / disabled by the application. Captured Grayscale Image 2 nd or 3 rd image (Adaptive Mode - Incremented) 4 th image (Change to Simple Threshold mode based on IQA metrics) Image size to large, too many speckles, etc. Still too many Speckles. Image within pre-defined IQA metrics. Adaptive Re-Thresholding 1 st image (Adaptive Mode - Initial) Click to Advance