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Unsharp masking (USM) sharpening is a basic technique for image manipulation and editing. In recent years, the detection of USM sharpening has attracted attention from image forensics point of view. After USM sharpening, overshoot artifacts, which shape image texture, are generated along image edges. By utilizing the special characteristic of the texture modification caused by the USM sharpening,...
For purpose of estimating machine operational reliability and predicting the future state of reliability accurately and effectively, a reliability modelling framework is proposed by integrating prior distribution of failure with vibration signal feature extraction based on machine condition for proactive health management and reliability maintenance. The core idea of the proposed framework is not...
Segmentation of 3D soft organs from complex volume images is a very important and challenging task. The objects of interest may have inhomogeneous voxel intensities and some object boundaries may be indistinct. Existing algorithms are either sensitive to noise or computationally expensive. This paper presents a novel algorithm that overcomes these shortcomings. The algorithm adopts a novel flipping-free...
3D visualization and segmentation of organs in abdominal volume images are important in medical image processing for applications such as diagnosis, treatment and surgical planning. However, the abdominal wall leads to difficulties in both visualization and segmentation. These difficulties can be eliminated by removing the abdominal wall. This paper presents an algorithm that removes abdominal wall...
The traditional approaches to reliability estimation are based on probability statistics depending on large sample failure lifetime data. Such approaches yield statistical results that reflect average characteristics of the same kind of systems, under the same condition. They can not gain a particular individuals reliability ability. Dynamic monitoring data based on condition can provide with useful...
Highlight detection is a challenge task in soccer video analysis. Using Web-casting text as external knowledge is proved to be a short cut to achieve both efficiency and effectiveness. Based on the previous framework using Web-casting text, we have improved the processes of video time detection and highlight boundary detection. Our method can detect the transparent time bar and can achieve acceptable...
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