Image Histogram Results See Image Histogram Results on page 497. Related Topics Configuring Image Histogram Properties Configuring Image Histogram Properties - Advanced Image Histogram Results Gripper Clearance Tool Configuring Image Histogram Properties The Image Histogram tool calculates grey-level statistics for a selected region of interest. The final histogram, for which the tool calculates the statistics, ignores pixels that have been excluded by thresholds or tails. A grey-level of 0 is black; 255 is white. NOTE : Any pixels within the ROI but beyond the actual image are returned with a value of 0.
ACEUser's Guide, 3.6.x, 18316-000 Rev A Page 493 Object Definition Offset Shift of the ROI from X, Y, and angle returned by the Relative To tool, or center and rotation of the ROI: X, Y, and angle, if no tool is specified. Relative To Specifies the tool that will provide the input to this tool. The tool can be dragged from the Folder pane and dropped into this field. LinkName Selects which results of the Relative To tool to use. Default is Position, when applicable. Search Area Height and width of the region of interest. Advanced Bilinear Interpolation Enabled Specifies if bilinear interpolation is used to sample the input image.
By default, bilinear interpolation is enabled because it improves accuracy. Custom Sampling Step Step used by the tool to sample the area of the input image. Image Subsampling Factor used to sub-sample the greyscale image in the tool region of interest.