A method and a storage medium for auto exposure control are provided. A desired image is divided into a plurality of sample blocks, each includes red, green, and blue subpixels. A maximum exposure ratio and an average exposure ratio are obtained according to the maximum and average values of each red, green, and blue subpixel retrieved from each sample block and a predetermined desired maximum brightness and a predetermined desired average brightness. It is determined whether the maximum exposure ratio is smaller than the average exposure ratio. If it is, a strobe of the storage medium shines a flashlight based on the average exposure ratio, and, if it is not, the strobe shines a flashlight based on the maximum exposure ratio.

 
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> Motion picture encoding and counterfeit tracking system and method

> Image pick-up apparatus having a function of automatically picking-up an object image and automatic image pick-up method
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