compare multiple images in matlab

i have multiple images with different image pixels, help me out to compare these

 thank  "U"

[Walter Roberson]

The first image is fruity wombat with an overlay of blackberry and a hint of used patent-leather shoes, but the second image is muskrat fur in oak and Canadian juniper and a drop of quince, stirred once with a single civet-cat coffee bean.

[Anton Semechko]

Raziya, what Walter means to say is that the quality of the answer you seek will depend on the clarity of your question...