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Image measurement technology applies the digital image processing technology to the field of precision measurement. And compared to traditional ways of measurement, image measurement technology has advantages of high accuracy, large dynamic range, non-contact and flexibility, therefore, it is very suitable for a number of on-site uses that traditional ways are difficult to achieve, and it has broad...
This paper presents an image content authentication algorithm resilient to geometric and some general operations. The original image is normalized into a standard prototype form according to the blind normalization arithmetic, and then the smooth-component and the edge-character are drawn from the prototype image with the dyadic wavelet transform multi-scale edge detection. After coded with 64 bits,...
Image registration methods based on geometric features have good prospects in a wide range of applications due to its faster execution. A novel fast image registration method based on rigid body dynamics is presented in this paper. In this method, edge points of the model image generate a pseudo elasticity field. Acted by the elasticity forces in the field, edges of floating image move and finally...
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