SNR

Effect of Variation Number of Excitation (NEX) Parameter on the Quality Image of Magnetic Resonance Imaging Genu on T2 Weighted Image Sequence at Bali Mandara Regional General Hospital, Indonesia

Ni Putu Sri Wulan Ningsih, Ni Nyoman Ratini, I Gusti Agung Widagda, Ni Kadek Nova Anggarani, Ni Luh Putu Trisnawati, Komang Ngurah Suarbawa & Anak Agung Ngurah Gunawan · Asian Journal of Medicine and Health · 2025

Aim: Study on the effect of NEX parameter variations on image quality in T2WI sequences on genu MRI images aims to determine the effect of Number of Excitation (NEX) variations on image quality which is influenced by scanning time and Signal to Noise Ratio (SNR) and determine the...

Open access Research Article 10.9734/ajmah/2025/v23i41199

Analysis of TE Variations on SNR and CNR Values in Lumbar MRI T2WI Sequences at Bali Mandara Regional General Hospital

Ida Ayu Gede Vidya Pratiwi, Gusti Ngurah Sutapa, Ida Bagus Alit Paramarta, Ida Bagus Made Suryatika, Nyoman Wendri, I Putu Tedy Indrayana & Anak Agung Ngurah Gunawan · Asian Journal of Medicine and Health · 2025

Aim: This study aims to evaluate the effect of echo time (TE) variation on MRI image quality, which is measured using Signal to Noise Ratio (SNR) and Contrast to Noise Ratio (CNR). The focus of the study was on lumbar MRI examinations at RSUD Bali Mandara using a Philips 1.5 Tesl...

Open access Research Article 10.9734/ajmah/2025/v23i21170

Effect of Slice Thickness Variation on Spatial Resolution of CT-Scan Device Images at the Bali Mandara Hospital Radiology Installation

Ni Kadek Nova Anggarani, Ida Bagus Made Suryatika & Gusti Ngurah Sutapa · Asian Journal of Medicine and Health · 2023

Aims: Slice thickness variation analysis on spatial resolution on CT-scan images by determining CNR and SNR values, by making ROI on object and background images. ROI size of objects and backgrounds can be observed with several criteria based on the provisions of the ACR program,...

Open access Research Article 10.9734/ajmah/2023/v21i10901