Two-versus three-dimensional regions of interest for quantifying SPECT-CT images [0.03%]
基于SPECT/CT图像的ROI区二维与三维容积量化比较研究
Masakazu Tsujimoto,Seiji Shirakawa,Masanori Watanabe et al.
Masakazu Tsujimoto et al.
The aim of this study was to investigate the relationship of quantitative parameters between the two-dimensional region of interest (ROI) and the three-dimensional volume of interest (VOI) for accumulation of radiopharmaceutical. Single-pho...
Proposing a novel multi-instance learning model for tuberculosis recognition from chest X-ray images based on CNNs, complex networks and stacked ensemble [0.03%]
基于CNN、复杂网络和堆叠集成的胸部X光图像TB识别多实例学习模型研究
Toktam Khatibi,Ali Shahsavari,Ali Farahani
Toktam Khatibi
Mycobacterium Tuberculosis (TB) is an infectious bacterial disease. In 2018, about 10 million people has been diagnosed with tuberculosis (TB) worldwide. Early diagnosis of TB is necessary for effective treatment, higher survival rate, and ...
Ultrasound elastography using shear wave interference patterns: a finite element study of affecting factors [0.03%]
剪切波干涉图样弹性成像的有限元仿真及影响因素研究
Pezhman Pasyar,Hossein Arabalibeik,Mohammad Mohammadi et al.
Pezhman Pasyar et al.
Elastography as one of the non-invasive medical imaging techniques which can help determine the stiffness of organs and other structures is currently attracting more attention. An interesting imaging rate-independent technique which has bee...
Towards zero radiation isocentre size: minimising radiation beam isocentricity on Elekta linear accelerators by means of optimising look-up tables [0.03%]
向零放射线等中心方向发展:通过优化查找表来减少Elekta直线加速器的辐射束等中心性
Jacek M Chojnowski,Jonathan R Sykes,David I Thwaites
Jacek M Chojnowski
The most important geometric characteristics of SRS/SBRT treatments are precise target localisation and precise aiming of the radiation beam at the target. The AAPM-RSS Medical Physics Practice Guideline 9.a. for SRS/SBRT recommends that th...
Recommendations for simulating and measuring with biofabricated lung equivalent materials based on atomic composition analysis [0.03%]
基于原子成分分析的生物制造肺等效材料模拟与测量建议
Paul H Charles,Scott Crowe,Tanya Kairn
Paul H Charles
Monte Carlo simulations of lung equivalent materials often involve the density being artificially lowered rather than a true lung tissue (or equivalent plastic) and air composition being simulated. This study used atomic composition analysi...
A computer-aided approach for automatic detection of breast masses in digital mammogram via spectral clustering and support vector machine [0.03%]
基于谱聚类和支持向量机的数字乳腺图像中的肿块检测方法
Hossein Ketabi,Ali Ekhlasi,Hessam Ahmadi
Hossein Ketabi
Breast cancer continues to be a widespread health concern all over the world. Mammography is an important method in the early detection of breast abnormalities. In recent years, using an automatic Computer-Aided Detection (CAD) system based...
A novel inverse optimization based three-dimensional conformal radiotherapy technique in craniospinal irradiation [0.03%]
一种新颖的逆向优化三维适形放疗在全中枢和脊髓照射中的应用研究
Fatih Biltekin,Gozde Yazici,Gokhan Ozyigit
Fatih Biltekin
Our aim was to develop a novel inverse optimization-based three-dimensional conformal radiotherapy (i3DCRT) technique for craniospinal irradiation. The imaging data of 20 patients with medulloblastoma were used retrospectively. The first gr...
Determination of the correlation between muscle forces obtained from OpenSim and muscle activities obtained from electromyography in the elderly [0.03%]
确定OpenSim获得的肌肉力和肌电图获得的肌肉活动在老年人群中的相关性
Mohammad T Karimi,Fatemeh Hemmati,Mohammad A Mardani et al.
Mohammad T Karimi et al.
Measurement of muscle forces related to aging can help to better identify the gait impairment mechanisms in the elderly. To this end, musculoskeletal modeling has been developed to estimate muscle forces. This study aimed to check the valid...
Comparison of global and local gamma evaluation results using isodose levels [0.03%]
基于等剂量线的全局伽马和局部伽玛评价结果比较
Liting Yu,Tanya Kairn,Jamie V Trapp et al.
Liting Yu et al.
The aim of this study is to evaluate the behaviour of global and local gamma analyses with isodose levels. Global and local gamma evaluation were performed on patient-specific quality assurance (PSQA) data from 100 volumetric modulated arc ...