Image Histogram Display Window The Display window shows the image being processed, the region of interest selected, and the locations of found instances. The elapsed time is displayed at the bottom of this window. Histogram Grid of Results If there are multiple instances input, as shown, you can set the ROI to be relative to one of them, and have the Image Histogram tool look at the same relative ROI on each instance. Grid of Results The grid of results presents the statistical results for the region of interest analyzed by the Image Histogram tool. The Image Histogram tool outputs the following results:
ACEUser's Guide, 3.6.x, 18316-000 Rev A Page 498 Object Definition Elapsed Time The total execution time of the tool. Elapsed Time is not displayed in the grid of results, but is shown at the bottom of the Display window for each iter- ation of the Image Histogram Tool. Instance Identification number of each histogram output by the Image Histogram tool. Frame/Group The frame or group to which the result belongs. Minimum Grey-Level Lowest grey-level value of all pixels in the tool region of interest that are included in the final his- togram. Pixels removed from the histogram by tails or thresholds are not included in this cal- culation. 0 = black; 255 = white.