Image Processing Method and Image Processing Device Thereof for Image Alignment

An image processing device for aligning images, comprising:

• a processing unit;
• and
• a storage unit for storing a program code, the program code instructs the processing unit to perform the following steps:
• sequentially receiving a plurality of images;
• generating at least one threshold corresponding to each image according to a plurality of intensities of each image of the plurality of images;
• converting each image according to the thresholds of each image, for generating a plurality of binary images;
• acquiring a plurality of characteristic pixels of each binary image according to the plurality of binary images;
• and
• aligning the plurality of images according to the plurality of characteristic pixels of each binary image.