Method for detecting computer generated image and natural image based on wavelet transformation
A technology for generating images and natural images, applied in computer parts, computing, image analysis, etc., can solve the problems of low detection accuracy and can not meet the needs of practical applications, and achieve the effect of high detection accuracy
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[0041] Embodiments of the present invention are described in detail below in conjunction with accompanying drawing: the computer-generated (CG) image in the image library that the present embodiment adopts comes from the CG image library of Columbia University and some lifelike CG images on the Internet, totally 594 pieces; The natural images were taken by personal digital cameras, with a total of 594 images. This embodiment is implemented under the above-mentioned image library, and a detailed implementation manner and specific operation process are given, but the scope of protection of the present invention is not limited to the following embodiments.
[0042] Based on the analysis of the characteristic statistical moments and high-frequency features of image wavelet transform, the statistical information about natural images and computer-generated images is obviously different. After feature extraction and SVM classifier for classification, its authenticity can be quickly ju...
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