1. An image identification apparatus for comparing an image frame with a predetermined image, comprising: a transformation module, transforming the predetermined image to a predetermined image data and transforming the image frame to a first image data, wherein the predetermined image data comprises a first predetermined data and a second predetermined data, and the first image data comprises a first characteristic data and a second characteristic data; a first comparing module coupled to the transformation module, comparing the first predetermined data with the first characteristic data to generate a first comparing result; a second comparing module coupled to the first comparing module, comparing the second predetermined data with the second characteristic data to generate a second comparing result according to the first comparing result; and a determination module coupled to the first comparing module and the second comparing module, determining the comparing result of the image frame and the predetermined image according to the first comparing result and the second comparing result.