Get Information About Graphics Files

To obtain information about a graphics file and its contents, use the imfinfo function. You can use imfinfo with any of the formats supported by MATLAB^®. Use the imformats function to determine which formats are supported.

Note

You can also get information about an image displayed in the Image Tool — see Get Image Information in Image Viewer App.

The information returned by imfinfo depends on the file format, but it always includes at least the following:

• Name of the file

• File format

• Version number of the file format

• File modification date

• File size in bytes

• Image width in pixels

• Image height in pixels

• Number of bits per pixel

• Image type: truecolor (RGB), grayscale (intensity), or indexed