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1. The brightness of an image or pixel.
2. The number of bits used to represent the color of a single pixel, which determines the range of colors.
3. The difference in brightness between the darkest and lightest parts of an image.
4. A digital image in which each pixel is represented by a single sample, representing only shades of gray.
5. An image which uses only shades of a single color.
6. A graphical representation of the pixel intensities in an image.
7. A color scheme that represents different intensities of gray, ranging from black to white.
8. A technique used to convert a grayscale image into a binary image by dividing the pixel intensities based on a threshold value.
9. The brightness or darkness of a pixel in a grayscale image.