نتایج جستجو برای: oblique perturbation
تعداد نتایج: 73090 فیلتر نتایج به سال:
Orthogonal, semiorthogonal and biorthogonal wavelet bases are special cases of oblique multiwavelet bases. One of the advantage of oblique multiwavelets is the flexibility they provide for constructing bases with certain desired shapes and/or properties. The decomposition of a signal in terms of oblique wavelet bases is still a perfect reconstruction filter bank. In this paper, we present sever...
Oblique axial and oblique coronal MR images parallel to the femoral neck provide more valuable information concerning the proximal femur than orthogonal images. The main disadvantage of the unilateral oblique imaging is that the imaging time is significantly increased when both hips need to be imaged. If the bilateral oblique imaging is performed simultaneously, this increase in imaging time is...
OBJECTIVES To present the outcomes of unilateral inferior oblique myectomy performed in patients with inferior oblique overaction due to superior oblique palsy. MATERIALS AND METHODS Twenty-seven eyes of 27 patients that underwent inferior oblique myectomy surgery for superior oblique palsy between 2002 and 2008 were included. Inferior oblique overaction scores (between 0-4) at preoperative, ...
PURPOSE To assess the incidence and investigate the functional impact of postoperative overcorrection following primary unilateral inferior oblique muscle recession and myectomy for inferior oblique overaction. METHODS A retrospective study of 79 consecutive patients undergoing inferior oblique myectomy (43) or recession (36) with a minimum 6 months of postoperative follow-up. All underwent o...
in this paper, elzaki homotopy perturbation method is employed for solving linear and nonlinear differential equations with a variable coffecient. this method is a combination of elzaki transform and homotopy perturbation method. the aim of using elzaki transform is to overcome the deficiencies that mainly caused by unsatised conditions in some semi-analytical methods such as homotopy perturbat...
Partial Fourier transform reconstruction for single-shot MRI with linear frequency-swept excitation.
A novel image encoding approach based on linear frequency-swept excitation has been recently proposed to overcome artifacts induced by various field perturbations in single-shot echo planar imaging. In this article, we develop a new super-resolved reconstruction method for it using the concepts of local k-space and partial Fourier transform. This method is superior to the originally developed c...
Spondylolysis is a common cause of backache and the detection of subtle cases is therefore important. Oblique views considerably increase the detection rate (Appleby and Stabler 1969), but a number of cases require additional views. The 30#{176} oblique cranial tilt view is more reliable than the standard oblique views in detecting spondylolysis as it visualises the pars interarticularis tangen...
PURPOSE We wanted to examine the effect of graded recession and anteriorization of the inferior oblique muscle on patients suffering from unilateral superior oblique palsy. METHODS Inferior oblique muscle graded recession and anteriorization were performed on twenty-two patients (22 eyes) with unilateral superior oblique palsy. The recession and anteriorization were matched to the degree of i...
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