image function can be used to display image.
When you read image data into the MATLAB workspace using imread, the data is usually stored as an array of 8-bit integers. However, imread also supports reading 16-bit-per-pixel data from TIFF and PNG files. These are more efficient storage methods than the double-precision (64-bit) floating-point numbers that MATLAB typically uses. However, it is necessary to interpret 8-bit and 16-bit image data differently from 64-bit data. This table summarizes these differences.
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