This app visualizes histogram operators using the OpenCV library. We can choose from color or grayscale live view, and their histogram equalized and contrast stretched versions. For color, the image is first converted to YCrCb color space and the histogram operators are computed for the Y (grayscale) channel.
Histogram is plotted for grayscale views.
The app requires the installation of the OpenCV Manager available in the Play Store.
9Apps 4.9
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