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Blind super-resolution, which incorporates blur identification into super-resolution, has been proposed to restore the degraded image with either partially known or totally unknown blur. In the conventional framework for blind super-resolution, the sensor PSF caused by camera lens/CCD has always been ignored. Therefore, the identified blur and restored HR image are affected by the sensor PSF, especially...
In this paper, a novel image watermarking scheme based on independent component analysis (ICA) is proposed. In the proposed scheme, the original image is sub-sampled firstly to obtain four sub-images, and the features of the original image are extracted by performing ICA to these sub-images, and then the feature, which has the largest variance, is selected out to be watermarked on its block DCT coefficients...
In this paper a novel independent component analysis (ICA) based face super-resolution algorithm is proposed. In this scheme, the independent components (ICs) are obtained by offline training high-resolution face images. Given a low-resolution image, the high-resolution image is reconstructed by the linear combination of the ICs where the weight coefficients are obtained by the method of maximum a...
Vibration-based analysis is an important technique in machine fault diagnosis. In complex machines, the vibration generated by a component is easily affected by the vibration of other components or is corrupted by noise from other sources. Hence, the fault-related vibration must be recovered from among those sources for accurate diagnosis. In this paper, a super-exponential algorithm (SEA) based on...
In this paper, a finite element modeling of lead and lead-free soldered PBGA package was performed. The inelastic stress and strain of the solder joints in the PBGA package under thermal cycling has been analyzed. The Garofalo-Arrheninus model was applied to describe the steady-state creep for the solders at high temperatures. The high-low temperatures extreme point, plastic strain, creep strain were...
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