Spect Image
光谱图像
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Spect Image sentence examples within showed good concordance
RESULTS
In 86% of the cases freehandSPECT images showed good concordance with the corresponding part of the scintigraphic images.
结果
在 86% 的案例中,手绘 SPECT 图像与闪烁图像的相应部分表现出良好的一致性。
结果 在 86% 的案例中,手绘 SPECT 图像与闪烁图像的相应部分表现出良好的一致性。
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Results In 86% of the cases freehandSPECT images showed good concordance with the corresponding part of the scintigraphic images.
结果在86%的案例中,徒手SPECT图像与闪烁扫描图像的相应部分表现出良好的一致性。
结果在86%的案例中,徒手SPECT图像与闪烁扫描图像的相应部分表现出良好的一致性。
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Spect Image sentence examples within single photon emission
SwiftScan single photon emission computed tomography (SPECT) was acquired with step-and-shoot and continuous mode, and SPECT images were reconstructed using a three-dimensional ordered subset expectation maximization incorporating attenuation, scatter and spatial resolution corrections.
SwiftScan 单光子发射计算机断层扫描 (SPECT) 是通过步进和连续模式获得的,SPECT 图像是使用包含衰减、散射和空间分辨率校正的三维有序子集期望最大化来重建的。
SwiftScan 单光子发射计算机断层扫描 (SPECT) 是通过步进和连续模式获得的,SPECT 图像是使用包含衰减、散射和空间分辨率校正的三维有序子集期望最大化来重建的。
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Subtraction ictal single-photon emission computed tomography (SPECT) coregistered to MRI (SISCOM) is a well-established technique for quantitative analysis of ictal vs interictal SPECT images that can contribute to the identification of the seizure onset zone in patients with drug‐resistant epilepsy.
减法发作期单光子发射计算机断层扫描 (SPECT) 联合 MRI (SISCOM) 是一种成熟的技术,用于定量分析发作期与发作间期的 SPECT 图像,有助于识别耐药性癫痫患者的癫痫发作起始区.
减法发作期单光子发射计算机断层扫描 (SPECT) 联合 MRI (SISCOM) 是一种成熟的技术,用于定量分析发作期与发作间期的 SPECT 图像,有助于识别耐药性癫痫患者的癫痫发作起始区.
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Spect Image sentence examples within Bone Spect Image
In this paper, we propose an algorithm to improve the traditional FBP reconstruction and to choose the most suitable technique for bone SPECT image denoising.
在本文中,我们提出了一种算法来改进传统的 FBP 重建并选择最适合骨骼 SPECT 图像去噪的技术。
在本文中,我们提出了一种算法来改进传统的 FBP 重建并选择最适合骨骼 SPECT 图像去噪的技术。
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Methods: The quality and quantitative accuracy of bone SPECT images were evaluated by changing the number of iterations and the size of the hot spot in the phantom.
方法:通过改变迭代次数和模型中热点的大小来评估骨骼 SPECT 图像的质量和定量准确性。
方法:通过改变迭代次数和模型中热点的大小来评估骨骼 SPECT 图像的质量和定量准确性。
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Spect Image sentence examples within Perfusion Spect Image
METHODS
Using the fusion software, we assessed the magnitude and direction of misregistration in 200 consecutive myocardial perfusion SPECT images with 99mTechnetium (99mTc) tetrofosmin.
方法
使用融合软件,我们使用 99m 锝 (99mTc) tetrofosmin 评估了 200 个连续心肌灌注 SPECT 图像中配准错误的幅度和方向。
方法 使用融合软件,我们使用 99m 锝 (99mTc) tetrofosmin 评估了 200 个连续心肌灌注 SPECT 图像中配准错误的幅度和方向。
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Three-dimensional stereotactic surface projection (3D-SSP) technique was used to analyze data obtained from the 123I-IMP brain perfusion SPECT images compared with both CTAC-NDB and conventional NDB.
三维立体定向表面投影 (3D-SSP) 技术用于分析从 123I-IMP 脑灌注 SPECT 图像获得的数据,并与 CTAC-NDB 和常规 NDB 进行比较。
三维立体定向表面投影 (3D-SSP) 技术用于分析从 123I-IMP 脑灌注 SPECT 图像获得的数据,并与 CTAC-NDB 和常规 NDB 进行比较。
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Spect Image sentence examples within Corrected Spect Image
Such μ -maps, however, are most times not available and possible errors in image registration can induce quantitative inaccuracies in AC corrected SPECT images.
然而,这样的 μ-map 在大多数时候是不可用的,并且图像配准中的可能错误会导致 AC 校正的 SPECT 图像中的定量不准确。
然而,这样的 μ-map 在大多数时候是不可用的,并且图像配准中的可能错误会导致 AC 校正的 SPECT 图像中的定量不准确。
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The aim of this study was to verify the effects of varying CT collimation width and slice thickness on CT images and on CT attenuation corrected SPECT images.
本研究的目的是验证不同的 CT 准直宽度和层厚对 CT 图像和 CT 衰减校正 SPECT 图像的影响。
本研究的目的是验证不同的 CT 准直宽度和层厚对 CT 图像和 CT 衰减校正 SPECT 图像的影响。
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Spect Image sentence examples within Brain Spect Image
Previously, a joint ictal/inter-ictal SPECT reconstruction was proposed to reconstruct a differential image representing the change of brain SPECT image from an inter-ictal to an ictal study.
以前,提出了联合发作期/发作间期 SPECT 重建来重建代表脑 SPECT 图像从发作间期到发作期研究的变化的差分图像。
以前,提出了联合发作期/发作间期 SPECT 重建来重建代表脑 SPECT 图像从发作间期到发作期研究的变化的差分图像。
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This research develops diffusion equation to describe behavior of the <tex>$^{99\mathrm{m}}\text{Tc-ECD}$</tex> diffusion in epileptic patient's brain SPECT image over time.
本研究开发了扩散方程来描述癫痫患者大脑 SPECT 图像中 <tex>$^{99\mathrm{m}}\text{Tc-ECD}$</tex> 扩散随时间的行为。
本研究开发了扩散方程来描述癫痫患者大脑 SPECT 图像中 <tex>$^{99\mathrm{m}}\text{Tc-ECD}$</tex> 扩散随时间的行为。
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Spect Image sentence examples within Gated Spect Image
In this study, we investigate a de-noising approach for low-dose cardiac-gated SPECT images by using a three-dimensional residual convolutional neural network (CNN).
在这项研究中,我们使用三维残差卷积神经网络 (CNN) 研究低剂量心脏门控 SPECT 图像的去噪方法。
在这项研究中,我们使用三维残差卷积神经网络 (CNN) 研究低剂量心脏门控 SPECT 图像的去噪方法。
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Spect Image sentence examples within Quantitative Spect Image
This multicenter study aimed to determine the reproducibility of quantitative SPECT images reconstructed using a commercially available method of ordered-subset conjugate-gradient minimization.
这项多中心研究旨在确定使用商业上可用的有序子集共轭梯度最小化方法重建的定量 SPECT 图像的再现性。
这项多中心研究旨在确定使用商业上可用的有序子集共轭梯度最小化方法重建的定量 SPECT 图像的再现性。
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Six types of quantitative SPECT images were reconstructed using data from different doses of CT processed with and without iMAR for CT attenuation correction.
使用来自不同剂量 CT 的数据重建六种类型的定量 SPECT 图像,使用和不使用 iMAR 进行 CT 衰减校正。
使用来自不同剂量 CT 的数据重建六种类型的定量 SPECT 图像,使用和不使用 iMAR 进行 CT 衰减校正。
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Spect Image sentence examples within Cardiac Spect Image
Reconstructed transaxial cardiac SPECT images need to be reoriented into standard short-axis slices for subsequent accurate processing and analysis.
重建的经轴心脏 SPECT 图像需要重新定向为标准短轴切片,以便随后进行准确的处理和分析。
重建的经轴心脏 SPECT 图像需要重新定向为标准短轴切片,以便随后进行准确的处理和分析。
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Conclusion: The utilization of the DEW method for scatter correction of cardiac SPECT images results in an increase in the image contrast and the improvement of the image quality.
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Spect Image sentence examples within Ioflupane Spect Image
Spect Image sentence examples within Dynamic Spect Image
In ictal SPECT, there is typically no prior information on where the seizures would happen, and both the imaging resolution and quantitative accuracy of the dynamic SPECT images would provide critical information for staging the seizures outbreak and refining the plans for subsequent surgical intervention.
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All dynamic SPECT images were reconstructed with full physical corrections, corrections for ventricular spillover and partial volume effect, using one-tissue kinetic modeling.
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Spect Image sentence examples within Mpus Spect Image
The MPI SPECT images using Tc-99m sestamibi were abnormal showing a large area of ischemia (Figure 2).
使用 Tc-99m sestamibi 的 MPI SPECT 图像异常显示大面积缺血(图 2)。
使用 Tc-99m sestamibi 的 MPI SPECT 图像异常显示大面积缺血(图 2)。
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MPI SPECT images were reconstructed using stress SPECT and stress CT (SI O ), rest SPECT and rest CT (RI O ), and rest SPECT and stress CT (RI A ).
使用应力 SPECT 和应力 CT (SI O)、静息 SPECT 和静息 CT (RI O) 以及静息 SPECT 和应力 CT (RI A) 重建 MPI SPECT 图像。
使用应力 SPECT 和应力 CT (SI O)、静息 SPECT 和静息 CT (RI O) 以及静息 SPECT 和应力 CT (RI A) 重建 MPI SPECT 图像。
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Spect Image sentence examples within Analyze Spect Image
The Tossici-Bolt method is generally used to analyze SPECT images.
Tossici-Bolt 方法通常用于分析 SPECT 图像。
Tossici-Bolt 方法通常用于分析 SPECT 图像。
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The easy Z-score Imaging System (eZIS), fine stereotactic regions of interest template (FineSRT), and three-dimensional stereotactic region of interest template (3DSRT) were used to analyze SPECT images.
使用简易 Z 评分成像系统 (eZIS)、精细立体定向感兴趣区域模板 (FineSRT) 和三维立体定向感兴趣区域模板 (3DSRT) 来分析 SPECT 图像。
使用简易 Z 评分成像系统 (eZIS)、精细立体定向感兴趣区域模板 (FineSRT) 和三维立体定向感兴趣区域模板 (3DSRT) 来分析 SPECT 图像。
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Spect Image sentence examples within Bremsstrahlung Spect Image
We sought to implement a patient‐specific background subtraction prior to dose calculation to make these noisy bremsstrahlung SPECT images suitable for post‐TARE dosimetry.
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SIMIND Monte Carlo simulation code was used to generate the Y-90 bremsstrahlung SPECT images of the liver tumor with different diameters: 1.
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Spect Image sentence examples within Ecd Spect Image
In the present retrospective study, we evaluated the correlation between regional brain uptake ratios (URs) in perfusion FP-CIT PET and ECD SPECT images.
在本回顾性研究中,我们评估了灌注 FP-CIT PET 和 ECD SPECT 图像中区域脑摄取比 (URs) 之间的相关性。
在本回顾性研究中,我们评估了灌注 FP-CIT PET 和 ECD SPECT 图像中区域脑摄取比 (URs) 之间的相关性。
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The effect of pre-training parameters for Tc-99m-ECD SPECT image to distinguish AD from normal cognition (NC) was investigated, as well as the effect of the sample size of F-18-FDG PET images used in pre-training.
研究了 Tc-99m-ECD SPECT 图像的预训练参数对区分 AD 和正常认知 (NC) 的影响,以及预训练中使用的 F-18-FDG PET 图像样本大小的影响。
研究了 Tc-99m-ECD SPECT 图像的预训练参数对区分 AD 和正常认知 (NC) 的影响,以及预训练中使用的 F-18-FDG PET 图像样本大小的影响。
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Spect Image sentence examples within Both Spect Image
Spect Image sentence examples within spect image reconstruction
Tumor standardized uptake values (SUV) for the different conjugates, obtained from the 3D SPECT image reconstruction of these mice, were used as the number of disintegrations in a tumor site per unit of administered activity (NT ).
从这些小鼠的 3D SPECT 图像重建获得的不同缀合物的肿瘤标准化摄取值 (SUV) 用作每单位给药活性 (NT) 在肿瘤部位的崩解数。
从这些小鼠的 3D SPECT 图像重建获得的不同缀合物的肿瘤标准化摄取值 (SUV) 用作每单位给药活性 (NT) 在肿瘤部位的崩解数。
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The present study is to develop a deep learning technique for SPECT image reconstruction that directly converts raw projection data to image with high resolution and low noise, while an efficient training method specifically applicable to medical image reconstruction is presented.
本研究旨在开发一种用于 SPECT 图像重建的深度学习技术,将原始投影数据直接转换为高分辨率和低噪声的图像,同时提出一种专门适用于医学图像重建的有效训练方法。
本研究旨在开发一种用于 SPECT 图像重建的深度学习技术,将原始投影数据直接转换为高分辨率和低噪声的图像,同时提出一种专门适用于医学图像重建的有效训练方法。
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Spect Image sentence examples within spect image quality
Recently, the first in-human application with a [161Tb]Tb-DOTATOC also demonstrated good SPECT image quality, which can enable dosimetry calculations for new 161Tb-based radiopharmaceuticals.
最近,第一个使用 [161Tb]Tb-DOTATOC 的人体应用也证明了良好的 SPECT 图像质量,可以为基于 161Tb 的新型放射性药物进行剂量学计算。
最近,第一个使用 [161Tb]Tb-DOTATOC 的人体应用也证明了良好的 SPECT 图像质量,可以为基于 161Tb 的新型放射性药物进行剂量学计算。
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Spect Image sentence examples within spect image set
Methods
Three months after the MI models were established in 20 minipigs, CTA and SPECT images were acquired separately, which were then aligned automatically with the constraints of the shape and the whole heart and LV myocardium position.
方法
在 20 头小型猪中建立 MI 模型三个月后,分别获取 CTA 和 SPECT 图像,然后根据形状和整个心脏和 LV 心肌位置的约束自动对齐。
方法 在 20 头小型猪中建立 MI 模型三个月后,分别获取 CTA 和 SPECT 图像,然后根据形状和整个心脏和 LV 心肌位置的约束自动对齐。
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First, the normalization technique is used to convert the original lung perfusion file into a SPECT image; secondly, in view of the over-fitting phenomenon of the deep learning model caused by the small amount of medical image data and the unbalanced data, the image translation and rotation techniques are used to perform effective expansion; then, in order to improve the model’s feature extraction ability, the attention mechanism is combined with the depth classification model to build a SPECT lung perfusion image classification model; finally, a set of real SPECT lung perfusion images were used to carry out comparative experiments on various depth classification models.
首先,使用归一化技术将原始肺灌注文件转换为SPECT图像;其次,针对医学图像数据量少、数据不平衡造成的深度学习模型过拟合现象,采用图像平移和旋转技术进行有效扩展;然后,为了提高模型的特征提取能力,将注意力机制与深度分类模型相结合,构建SPECT肺灌注图像分类模型;最后,利用一组真实的SPECT肺灌注图像对各种深度分类模型进行对比实验。
首先,使用归一化技术将原始肺灌注文件转换为SPECT图像;其次,针对医学图像数据量少、数据不平衡造成的深度学习模型过拟合现象,采用图像平移和旋转技术进行有效扩展;然后,为了提高模型的特征提取能力,将注意力机制与深度分类模型相结合,构建SPECT肺灌注图像分类模型;最后,利用一组真实的SPECT肺灌注图像对各种深度分类模型进行对比实验。
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Methods
The SPECT images were produced on a homemade code: the Monte Carlo simulation of electrons and photons for SPECT (MCEP-SPECT).
方法
SPECT 图像是在自制代码上生成的:SPECT 的电子和光子蒙特卡罗模拟 (MCEP-SPECT)。
方法 SPECT 图像是在自制代码上生成的:SPECT 的电子和光子蒙特卡罗模拟 (MCEP-SPECT)。
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Qualitative interpretation of SPECT images showed normal scans in 4 (11.
SPECT 图像的定性解释显示 4 (11.
SPECT 图像的定性解释显示 4 (11.
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Their binding properties and pharmacokinetics are a major determinant of the obtained PET or SPECT image.
它们的结合特性和药代动力学是获得 PET 或 SPECT 图像的主要决定因素。
它们的结合特性和药代动力学是获得 PET 或 SPECT 图像的主要决定因素。
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Despite its similarity with the lead sphere configuration, for five of the landmarks, agarose showed no artefacts in CT and more homogeneous regions of interest in SPECT images.
尽管它与铅球配置相似,但对于其中五个标志,琼脂糖在 CT 中没有显示出伪影,在 SPECT 图像中显示出更均匀的感兴趣区域。
尽管它与铅球配置相似,但对于其中五个标志,琼脂糖在 CT 中没有显示出伪影,在 SPECT 图像中显示出更均匀的感兴趣区域。
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To overcome these limitations, this paper takes a novel approach of constructing a single deep convolutional neural network (CNN) named as DblurDoseNet that learns to produce dose-rate maps while compensating for the limited resolution of SPECT images.
为了克服这些限制,本文采用了一种新颖的方法来构建一个名为 DblurDoseNet 的单一深度卷积神经网络 (CNN),该网络学习生成剂量率图,同时补偿 SPECT 图像的有限分辨率。
为了克服这些限制,本文采用了一种新颖的方法来构建一个名为 DblurDoseNet 的单一深度卷积神经网络 (CNN),该网络学习生成剂量率图,同时补偿 SPECT 图像的有限分辨率。
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Further, we analyzed the SPECT images using a voxel-based group comparison.
此外,我们使用基于体素的组比较分析了 SPECT 图像。
此外,我们使用基于体素的组比较分析了 SPECT 图像。
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SPECT images demonstrated NPs in the lungs, liver, spleen, and proximal small bowel.
SPECT 图像显示肺、肝、脾和近端小肠中的 NP。
SPECT 图像显示肺、肝、脾和近端小肠中的 NP。
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SPECT images showed decreased blood flow in the bilateral anterior temporal lobes and inferior parietal lobule (heavily and predominantly right-sided), right posterior cingulate gyrus, and precuneus.
SPECT 图像显示双侧前颞叶和顶下小叶(重且主要为右侧)、右后扣带回和楔前叶的血流减少。
SPECT 图像显示双侧前颞叶和顶下小叶(重且主要为右侧)、右后扣带回和楔前叶的血流减少。
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Through multiple sets of experimental demonstrations, the U-Net network integrated with the attention mechanism can better segment bone metastases in the pelvic region based on SPECT images, and the model indicators have been significantly improved.
通过多组实验演示,结合注意力机制的U-Net网络可以更好地基于SPECT图像分割骨盆区域的骨转移灶,模型指标得到显着提升。
通过多组实验演示,结合注意力机制的U-Net网络可以更好地基于SPECT图像分割骨盆区域的骨转移灶,模型指标得到显着提升。
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We evaluated 72 sets of planar and SPECT images acquired between February 2017 and December 2018.
我们评估了 2017 年 2 月至 2018 年 12 月期间采集的 72 组平面和 SPECT 图像。
我们评估了 2017 年 2 月至 2018 年 12 月期间采集的 72 组平面和 SPECT 图像。
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In addition to bone metastases, arthritis and other diseases will also appear as abnormal metabolic distribution areas in SPECT images.
除骨转移外,关节炎等疾病也会在SPECT图像中出现异常代谢分布区。
除骨转移外,关节炎等疾病也会在SPECT图像中出现异常代谢分布区。
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For validation, SPECT images were acquired in a subgroup of patients (n = 30).
为了验证,SPECT 图像是在一个患者亚组(n = 30)中获取的。
为了验证,SPECT 图像是在一个患者亚组(n = 30)中获取的。
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However, the RV sometimes appears abnormal on SPECT images even when the left ventricle (LV) is entirely normal.
然而,即使左心室 (LV) 完全正常,在 SPECT 图像上 RV 有时也会出现异常。
然而,即使左心室 (LV) 完全正常,在 SPECT 图像上 RV 有时也会出现异常。
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The standard quantification of global cardiac uptake is to obtain the heart to mediastinum (HM) ratio in planar images, while SPECT images provide better evaluation of regional extent of denervated areas.
全球心脏摄取的标准量化是在平面图像中获得心脏与纵隔 (HM) 的比率,而 SPECT 图像可以更好地评估去神经支配区域的区域范围。
全球心脏摄取的标准量化是在平面图像中获得心脏与纵隔 (HM) 的比率,而 SPECT 图像可以更好地评估去神经支配区域的区域范围。
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However, limited by the properties of QBSPECT images, the segmentation of anatomical regions-of-interests (ROIs) still relies heavily on the manual delineation by experts.
然而,受限于 QBSPECT 图像的特性,解剖感兴趣区域(ROI)的分割仍然严重依赖于专家的手动描绘。
然而,受限于 QBSPECT 图像的特性,解剖感兴趣区域(ROI)的分割仍然严重依赖于专家的手动描绘。
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Second, the standard VGG model is adopted to develop classifier of SPECT images.
其次,采用标准VGG模型开发SPECT图像分类器。
其次,采用标准VGG模型开发SPECT图像分类器。
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The accumulation of labeled peptide was calculated from the SPECT images, and that in the bacterial infection site (left thigh) was higher than that in the non-infection site (right thigh) for both peptides.
从 SPECT 图像计算标记肽的积累,两种肽在细菌感染部位(左大腿)的积累高于非感染部位(右大腿)。
从 SPECT 图像计算标记肽的积累,两种肽在细菌感染部位(左大腿)的积累高于非感染部位(右大腿)。
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Traditional multimedia forensics techniques inspect images to identify, localize forged regions and estimate forgery methods that have been applied.
传统的多媒体取证技术检查图像以识别、定位伪造区域并估计已应用的伪造方法。
传统的多媒体取证技术检查图像以识别、定位伪造区域并估计已应用的伪造方法。
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Planar/SPECT images were scored semi-quantitatively and PET/CT scored quantitatively with comparison of tumor uptake to liver uptake on a scale of 0–4 in order to determine an imaging score (IS).
对平面/SPECT 图像进行半定量评分,对 PET/CT 进行定量评分,并在 0-4 的范围内比较肿瘤摄取与肝脏摄取,以确定成像评分 (IS)。
对平面/SPECT 图像进行半定量评分,对 PET/CT 进行定量评分,并在 0-4 的范围内比较肿瘤摄取与肝脏摄取,以确定成像评分 (IS)。
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SPECT images of [123I]OI5V in the rat brain reflected the distribution of sigma receptors in the brain.
大鼠脑中 [123I]OI5V 的 SPECT 图像反映了 σ 受体在脑中的分布。
大鼠脑中 [123I]OI5V 的 SPECT 图像反映了 σ 受体在脑中的分布。
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Finally, the challenges, opportunities, and barriers to full-scale validation and adoption of AI-based solutions for improvement of image quality and quantitative accuracy of PET and SPECT images in the clinic are discussed.
最后,讨论了全面验证和采用基于人工智能的解决方案以提高临床 PET 和 SPECT 图像的图像质量和定量准确性的挑战、机遇和障碍。
最后,讨论了全面验证和采用基于人工智能的解决方案以提高临床 PET 和 SPECT 图像的图像质量和定量准确性的挑战、机遇和障碍。
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Post-therapy (24 h) SPECT image of mCRPC patients with prior orchidectomy and various hormone therapy showed specific localization of [177Lu]Lu-PSMA-617 in the tumor region.
接受过睾丸切除术和各种激素治疗的 mCRPC 患者的治疗后 (24 h) SPECT 图像显示 [177Lu]Lu-PSMA-617 在肿瘤区域的特异性定位。
接受过睾丸切除术和各种激素治疗的 mCRPC 患者的治疗后 (24 h) SPECT 图像显示 [177Lu]Lu-PSMA-617 在肿瘤区域的特异性定位。
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Quantitation of 99mTc-pyrophosphate activity, on SPECT images, could be a marker of ATTR-CM disease burden.
SPECT 图像上 99mTc-焦磷酸盐活性的定量可能是 ATTR-CM 疾病负担的标志物。
SPECT 图像上 99mTc-焦磷酸盐活性的定量可能是 ATTR-CM 疾病负担的标志物。
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SPECT images without motion, AC and VOI errors were also generated as reference.
还生成了没有运动、AC 和 VOI 错误的 SPECT 图像作为参考。
还生成了没有运动、AC 和 VOI 错误的 SPECT 图像作为参考。
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SPECT images were acquired using either a dual-headed sodium iodide gamma camera or cadmiumzinc-telluride camera.
使用双头碘化钠伽马相机或镉锌碲化物相机获取 SPECT 图像。
使用双头碘化钠伽马相机或镉锌碲化物相机获取 SPECT 图像。
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