This dialog displays histogram(s) for the currently displayed image. If the option "Visualize Zeros" is checked, all zeros in the histogram will be visualized with a vertical yellow line.
If the video format is a color format and the selected histogram type is "RGB", this histogram represents the red component of the currently displayed image.
If the video format is a color format and the selected histogram type is "RGB", this histogram represents the green component of the currently displayed image.
If the video format is a color format and the selected histogram type is "RGB", this histogram represents the blue component of the currently displayed image.
If the selected histogram type is "Grayscale", this histogram represents the currently displayed image. If the currently selected video format is not a grayscale format (RGB8, Y8, Y800), the image is converted to grayscale before the histogram is calculated.
If the currently selected video format is a grayscale format (RGB8, Y8, Y800), only the histogram type "Grayscale" is available. For all other video formats, the user may specify whether:
will be displayed.
If this option is checked, all zeros in the histogram(s) will be visualized with a vertical yellow line.
In contrast to linear scale mode, the logarithms of the pixel counts are displayed in logarithmic mode.
If this option is checked, the histogram is clipped to the specified value. Otherwise, the top line equals the maximum value of the histogram.
Close the histogram dialog.