نتایج جستجو برای: recovery condition
تعداد نتایج: 508060 فیلتر نتایج به سال:
Visual evoked potentials (VEPs) were assessed in basal condition and after photostress in normal subjects, in subjects with ocular hypertension (OHT), and in subjects with primary open-angle glaucoma (POAG). The VEPs recorded in basal condition showed that in patients with OHT and POAG a latency of the P100 peak was higher than in controls. The amplitudes were reduced in POAG patients but not i...
Background and Importance: Symptomatic vasospasm is a well-known pathology associated with ruptured aneurysms. Nevertheless, this condition is rarely found as a result of skull base tumor removal. Case Presentation: We reported a new case of 40-year-old woman previously treated for a tuberculum and diaphragma sellae meningioma showing symptomatic vasospasm after twelve post-operative days wi...
Treatment of first patellar dislocation is usually conservative and the subsequent rehabilitation program is based on specifically formulated objectives, which can be divided into different stages: stage 1: resolution of pain, swelling and inflammation; stage 2: recovery of joint motion and flexibility; stage 3: recovery of muscle strength; stage 4: recovery of motor patterns and coordination; ...
Acetic acid-catalyzed steam explosion pretreatment was applied to wheat straw at temperatures of 190 and 210 °C for 2, 6, and 10 min of residence time. The effects of pretreatment conditions on the total gravimetric recovery, hemicellulose sugars, glucose content, and yield of the enzymatic hydrolysis of cellulose were studied. The results indicated that the total gravimetric recovery decreases...
We focus on synthesis techniques for transforming existing fault-intolerant real-time programs to fault-tolerant programs that provide phased recovery. A fault-tolerant program is one that satisfies its safety and liveness specifications as well as timing constraints in the presence of faults. We argue that in many commonly considered programs (especially in mission-critical systems), when faul...
PURPOSE In order to measure spatial resolution of a PET tomograph in clinical conditions, this study describes and validates a method based on the recovery coefficient, a factor required to compensate underestimation in measured radioactivity concentration for small structures. METHODS In a PET image, the recovery factors of radioactive spheres were measured and their comparison with simulate...
Two cases of acute myositis characterized by intense muscle pain, weakness, myoglobinuria in one and muscle biopsy showing inflammatory changes in both with good recovery are described. It is reported because of the rarity of this condition.
The null space property and the restricted isometry property for a measurement matrix are two basic properties in compressive sampling, and are closely related to the sparse approximation. In this paper, we introduce the sparse approximation property of order s for a measurement matrix A: ‖xs‖2 ≤ D‖Ax‖2 + β σs(x) √ s for all x, where xs is the best s-sparse approximation of the vector x in `, σ...
This paper provides novel results for the recovery of signals from undersampled measurements based on analysis `1-minimization, when the analysis operator is given by a frame. We both provide so-called uniform and nonuniform recovery guarantees for cosparse (analysissparse) signals using Gaussian random measurement matrices. The nonuniform result relies on a recovery condition via tangent cones...
This paper provides novel results for the recovery of signals from undersampled measurements based on analysis `1-minimization, when the analysis operator is given by a frame. We both provide so-called uniform and nonuniform recovery guarantees for cosparse (analysissparse) signals using Gaussian random measurement matrices. The nonuniform result relies on a recovery condition via tangent cones...
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