نتایج جستجو برای: content detectability
تعداد نتایج: 419281 فیلتر نتایج به سال:
Detecting subsurface damages in multi-layer lossy media has been an important topic in the application of GPR (ground penetrating radar) on civil infrastructure systems such as bridges and roadways. In these systems, the presence of subsurface damages including interlayer delaminations, air voids, and material cracking can result in a premature failure of the systems and, thus, must be inspecte...
PURPOSE Design and optimization of medical imaging systems benefit from accurate theoretical modeling that identifies the physical factors governing image quality, particularly in the early stages of system development. This work extends Fourier metrics of imaging performance and detectability index (d') to tomosynthesis and cone-beam CT (CBCT) and investigates the extent to which d' is a valid...
We are developing a photon-counting spectral CT detector with a small pixel size of [Formula: see text] mm(2), offering a potential advantage for better visualization of small structures in pediatric patients. The purpose of this study is to determine the patient size dependent scanning parameters (kVp and mAs) for pediatric CT in two imaging cases: adipose imaging and iodinated blood imaging. ...
FOUNDATIONS ................................................................................................................ 456 Signals and Noise, Detectability and Discriminability ............................................... 456 Noise from Classical Statistical Mechanics ............................................................... 459 Noise from Quantum Mechanics .........................
Nowadays, bulk of the designers prefer to outsource some parts of their design and fabrication process to the third-part companies due to the reliability problems, manufacturing cost and time-to-market limitations. In this situation, there are a lot of opportunities for malicious alterations by the off-shore companies. In this paper, we proposed a new placement algorithm that hinders the hardwa...
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