نتایج جستجو برای: الگوریتم emd
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T-Wave Alternans (TWA) is a known marker for fatal cardiac arrhythmias which may lead to Sudden Cardiac Death (SCD). Its detection and estimation becomes a challenge under the presence of various types of noise including electrode movements and muscle artifacts. Various pre-processing techniques have been suggested by authors to counter for the issue of noise. One of the relatively new denoisin...
Generally, the sound signal produced by transmission unit or cutting unit contains abundant information about the working state of a machine. The acoustic-based diagnosis system presents some distinct advantages in some severe conditions particularly due to its unique non-contact measurement and unlimited use at the installation site. However, the original acoustic signal collected from manufac...
In this article, the empirical mode decomposition (EMD) is introduced to the problem of signal detection in underwater sound. EMD is a new method pioneered by Huang et al. for non-linear and nonstationary signal analysis. Based on the EMD, any input data can be decomposed into a small number of intrinsic mode functions (IMFs) which can serve as the basis of non-stationary data for they are comp...
We present a new histogram distance, the Tangent Earth Mover’s Distance (TEMD). The TEMD is a generalization of the Earth Mover’s Distance (EMD) that is invariant to some global transformations. Thus, like the EMD it is robust to local deformations. Additionally, it is robuster to global transformations such as global translations and rotations of the whole image. The TEMD is formulated as a li...
Abstract—This paper presents a denoising method called EMDCustom that was based on Empirical Mode Decomposition (EMD) and the modified Customized Thresholding Function (Custom) algorithms. EMD was applied to decompose adaptively a noisy signal into intrinsic mode functions (IMFs). Then, all the noisy IMFs got threshold by applying the presented thresholding function to suppress noise and to imp...
Color-based estimates of stimulus similarity predict perceptual similarity of image pairs to monkeys
Introduction: Studies of object perception are hampered by the difficulty of mathematically describing the similarity of realistic images. Recently, color based metrics have been developed to search for similar images in large databases of realistic images. Such metrics have been shown to predict human subjects’ similarity rankings of realistic images, because the color of realistic images ofte...
BACKGROUND Tissue engineering represents very exciting advances in regenerative medicine; however, periodontal literature only contains few reports. Emdogain (EMD) consists of functional molecules that have shown many advantages in regenerative treatments. This study investigated EMD effect on gingival fibroblast adhesion to different membranes. MATERIALS AND METHODS Two dense polytetrafluoro...
AIMS This three-arm study compared the clinical and radiographic efficacy of the modified minimally invasive surgical technique (M-MIST) alone and combined with enamel matrix derivative (EMD) or EMD plus bone mineral derived xenograph (BMDX), in the treatment of isolated, inter-dental intra-bony defects. MATERIALS AND METHODS Forty-five deep isolated intra-bony defects in 45 patients were inc...
BACKGROUND There are still limited data on the outcomes of regenerative periodontal surgery using a combination of an enamel matrix protein derivative (EMD) and autogenous bone (AB). AIM To evaluate the healing of deep intrabony defects treated with either a combination EMD+AB or EMD alone. MATERIALS AND METHODS Forty patients with advanced chronic periodontitis, with one deep intrabony def...
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