You can use the histogram to determine whether an image contains distinct regions of certain grayscale values. Use the histogram to determine if the overall intensity in the image is high enough for your inspection task. The histogram is a fundamental image analysis tool that describes the distribution of the pixel intensities in an image. ![]() From the graph, you can tell whether the image contains distinct regions of a certain gray-level value.Ī histogram provides a general description of the appearance of an image and helps identify various components such as the background, objects, and noise. ![]() ![]() A histogram counts and graphs the total number of pixels at each grayscale level.
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