Signal-To-Noise Ratio Rate Measurement in Fluoroscopy For Quality Control and Teaching Good Radiological Imaging Technique

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Signal-to-noise ratio and signal-to-noise efficiency in SMASH imaging.

A general theory of signal-to-noise ratio (SNR) in simultaneous acquisition of spatial harmonics (SMASH) imaging is presented, and the predictions of the theory are verified in imaging experiments and in numerical simulations. In a SMASH image, multiple lines of k-space are generated simultaneously through combinations of magnetic resonance signals in a radiofrequency coil array. Here, effects ...

متن کامل

Signal to Noise Ratio Analysis in Virtual Source Array Imaging

We consider correlation-based imaging of a reflector located on one side of a passive array where the medium is homogeneous. On the other side of the array the illumination by remote impulsive sources goes through a strongly scattering medium. It has been shown in [J. Garnier and G. Papanicolaou, Inverse Problems, 28 (2012), 075002] that migrating the cross correlations of the passive array giv...

متن کامل

Signal to Noise Ratio in Lensless Compressive Imaging

We analyze the signal to noise ratio (SNR) in a lensless compressive imaging (LCI) architecture. The architecture consists of a sensor of a single detecting element and an aperture assembly of an array of programmable elements. LCI can be used in conjunction with compressive sensing to capture images in a compressed form of compressive measurements. In this paper, we perform SNR analysis of the...

متن کامل

Signal-to-Noise Ratio Estimation in Passive Correlation-Based Imaging

We consider here the problem of imaging using passive incoherent recordings due to ambient noise sources. The first step towards imaging in this configuration is the computation of the cross-correlations of the recorded signals. These cross-correlations are computed between pairs of sensors (receivers) and they contain very important information about the background medium. Indeed, it was shown...

متن کامل

Blind Frequency and Symbol Rate Estimation for MSK Signal under Low Signal-to-Noise Ratio ⋆

We investigate a novel blind estimator combination of carrier frequency and symbol rate of an complex MSK modulation under low signal-to-noise ratio (SNR). The carrier frequency is estimated by using Modified Rife frequency estimator at first and the referenced signal is constructed consequently. Then, the received signal is transformed to baseband by means of correlation with the referenced si...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Radiation Protection Dosimetry

سال: 2021

ISSN: 0144-8420,1742-3406

DOI: 10.1093/rpd/ncaa222