Image Quality
画面质量

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Image Quality sentence examples within magnetic resonance imaging

magnetic resonance imaging
磁共振成像

Magnetic resonance imaging (MRI) in pregnancy is commonly undertaken in the left lateral tilt (LLT) position to prevent inferior vena cava (IVC) compression and supine hypotensive events, although this may be suboptimal for image quality.

妊娠期磁共振成像 (MRI) 通常在左侧倾斜 (LLT) 位置进行，以防止下腔静脉 (IVC) 受压和仰卧位低血压事件，尽管这对于图像质量可能不是最佳的。

The effect of maternal position on venous return for pregnant women during MRI

magnetic resonance imaging
磁共振成像

OBJECTIVES This study aimed to evaluate the feasibility and image quality of cardiac 3Tesla postmortem magnetic-resonance imaging (3T pmMRI) and to assess its diagnostic accuracy in detecting fetal heart defects compared to conventional autopsy.

目标 本研究旨在评估心脏 3Tesla 死后磁共振成像 (3T pmMRI) 的可行性和图像质量，并与传统尸检相比，评估其在检测胎儿心脏缺陷方面的诊断准确性。

Diagnostic quality of 3Tesla postmortem magnetic resonance imaging in fetuses with and without congenital heart disease.

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Image Quality sentence examples within convolutional neural network

convolutional neural network
卷积神经网络

Our proposal is based on a deep residual convolutional neural network for extracting discriminatory features with no prior complex image transformations to enhance the image quality or to highlight specific structures.

我们的提议基于深度残差卷积神经网络，用于在没有先验复杂图像变换的情况下提取判别特征，以提高图像质量或突出特定结构。

Deep residual transfer learning for automatic diagnosis and grading of diabetic retinopathy

convolutional neural network
卷积神经网络

In recent years, the research of image quality assessment (IQA) based on deep learning, especially convolutional neural network (CNN), has made rapid development.

近年来，基于深度学习的图像质量评估（IQA）研究，尤其是卷积神经网络（CNN）研究取得了快速发展。

Deep blind image quality assessment based on multiple instance regression

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Image Quality sentence examples within cone beam computed

cone beam computed
锥束计算

The aim of the study was to evaluate the image quality of intra-cone beam computed tomography (intra-CBCT ) for arc irradiation with various imaging condition.

该研究的目的是评估在各种成像条件下用于电弧照射的锥形束内计算机断层扫描（intra-CBCT）的图像质量。

Quantification of image quality of intra-fractional cone-beam computed tomography for arc irradiation with various imaging condition

cone beam computed
锥束计算

PURPOSE/OBJECTIVE(S) Cone-beam computed tomography (CBCT) often has suboptimal image quality compared with standard fan-beam CT due to increased sensitivity to scattering and motion artifacts.

目的/目标 由于对散射和运动伪影的敏感性增加，与标准扇束 CT 相比，锥形束计算机断层扫描 (CBCT) 通常具有次优的图像质量。

Patch-Based DCNN Method for CBCT Image Enhancement.

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Image Quality sentence examples within experimental results demonstrate

experimental results demonstrate
实验结果表明

Experimental results demonstrate that ERVSR performs better than the existing state-of-the-art FPGA-based VSR methods in both image quality and data throughput.

实验结果表明，ERVSR 在图像质量和数据吞吐量方面都优于现有最先进的基于 FPGA 的 VSR 方法。

An FPGA-Based Residual Recurrent Neural Network for Real-Time Video Super-Resolution

experimental results demonstrate
实验结果表明

Simulation and experimental results demonstrate that the image quality reconstructed by the proposed technique is much higher than that of RSPI at low sampling rates.

仿真和实验结果表明，该技术在低采样率下重建的图像质量远高于RSPI。

Single pixel imaging via sparse projection angle sampling

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Image Quality sentence examples within positron emission tomography

positron emission tomography
正电子发射断层扫描

For best possible positron emission tomography (PET) image quality and accurate PET quantification the correction for attenuated and scattered PET events is a main technical challenge in PET/magetic resonance imaging (MRI).

为了获得最佳的正电子发射断层扫描 (PET) 图像质量和准确的 PET 量化，衰减和散射 PET 事件的校正是 PET/磁共振成像 (MRI) 的主要技术挑战。

Development and evaluation of new methods for the extension of clinical applications in PET/MR hybrid imaging

positron emission tomography
正电子发射断层扫描

Improving the time resolution and sensitivity of Silicon-based Single Photon Avalanche Photodetectors (Si-SPAD) across the entire visible spectrum is critical to improve image quality in biomedical imaging applications such as positron emission tomography or fluorescence lifetime imaging.

在整个可见光谱范围内提高硅基单光子雪崩光电探测器 (Si-SPAD) 的时间分辨率和灵敏度对于提高生物医学成像应用（如正电子发射断层扫描或荧光寿命成像）中的图像质量至关重要。

Controlling the photon absorption characteristics in avalanche photodetectors for high resolution biomedical imaging

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Image Quality sentence examples within structural similarity index

structural similarity index
结构相似指数

With pattern and real photo images, the degree of power savings and the preservation of image quality of the proposed method are verified to outperform conventional approaches with high scores of the mean opinion score (MOS) and the structural similarity index measure (SSIM) over 0.

使用图案和真实照片图像，验证了所提出方法的节能程度和图像质量保持优于平均意见得分（MOS）和结构相似性指数测量（SSIM）超过 0 的传统方法.

Backlight Unit Excessive Dimming Based on Perceptual Image Analysis

structural similarity index
结构相似指数

In addition, we analyzed the effect of peak signal to noise ratio (PSNR) and structural similarity index (SSIM) to determine the image quality of the reconstructed image.

此外，我们分析了峰值信噪比（PSNR）和结构相似性指数（SSIM）的影响，以确定重建图像的图像质量。

Underwater Object Detection and Reconstruction Based on Active Single-Pixel Imaging and Super-Resolution Convolutional Neural Network

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Image Quality sentence examples within mean square error

mean square error
均方误差

The peak signal-to-noise ratio (PSNR), mean square error (MSE), and edge preserve index (EPI) were applied to evaluate the image quality after processing by the CSDCNN algorithm; the accuracy, recall rate, precise rate, and F1 score were employed to evaluate the diagnostic efficiency of CSDCNN algorithm; the apparent diffusion coefficient (ADC) was adopted to evaluate the therapeutic effect of neoadjuvant chemotherapy based on the CSDCNN algorithm, and SegNet, LeNet, and AlexNet algorithms were introduced for comparison.

采用峰值信噪比（PSNR）、均方误差（MSE）和边缘保留指数（EPI）评估CSDCNN算法处理后的图像质量；采用准确率、召回率、准确率和F1分数来评价CSDCNN算法的诊断效率；基于CSDCNN算法采用表观扩散系数（ADC）评估新辅助化疗的疗效，并引入SegNet、LeNet和AlexNet算法进行比较。

Diffusion-Weighted Imaging-Magnetic Resonance Imaging Information under Class-Structured Deep Convolutional Neural Network Algorithm in the Prognostic Chemotherapy of Osteosarcoma

mean square error
均方误差

Different criteria used to evaluate the performance of the presented algorithm like Mean Square Error in the Saturation (MSES), Mean Square Error in the Hue (MSEH), nature image quality Evaluator and entropy.

用于评估所提出算法性能的不同标准，如饱和度均方误差 (MSES)、色调均方误差 (MSEH)、自然图像质量评估器和熵。

Lightness Enhancement by Fuzzy Logic Depending on Power Membership Function

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Image Quality sentence examples within iterative reconstruction algorithm

iterative reconstruction algorithm
迭代重建算法

While iterative reconstruction algorithms have been shown to outperform traditional filtered back-projection methods in improving image quality and reducing imaging dose, they cannot handle data truncation in the axial view, which frequently occurs in the full-fan partial-trajectory acquisition mode.

虽然迭代重建算法已被证明在提高图像质量和减少成像剂量方面优于传统的滤波反投影方法，但它们无法处理轴向视图中的数据截断，这在全扇形部分轨迹采集模式中经常发生。

Reducing axial truncation artefacts in iterative cone-beam CT for radiation therapy using a priori pre-conditioned information.

iterative reconstruction algorithm
迭代重建算法

Purpose: To evaluate the inter-observer agreement of the CAD-RADS reporting system and compare image quality between model-based iterative reconstruction algorithm (MBIR) and standard iterative reconstruction algorithm (IR) of low dose cardiac computed tomography angiography (CCTA).

目的：评估 CAD-RADS 报告系统的观察者间一致性，并比较基于模型的迭代重建算法 (MBIR) 和低剂量心脏 CT 血管造影 (CCTA) 的标准迭代重建算法 (IR) 之间的图像质量。

Inter-Observer Agreement and Image Quality of Model-Based Algorithm Applied to the Coronary Artery Disease Reporting and Data System Score

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Image Quality sentence examples within apparent diffusion coefficient

apparent diffusion coefficient
表观扩散系数

Two independent observers evaluated the qualitative parameters (overall image quality, lesion visibility, and geometric distortion) and quantitative parameters (geometric distortion ratio [GDR], signal-to-noise ratio [SNR], contrast, contrast-to-noise ratio [CNR], and apparent diffusion coefficient [ADC] value) of the two sequences.

两位独立的观察者评估了定性参数（整体图像质量、病变可见度和几何失真）和定量参数（几何失真比 [GDR]、信噪比 [SNR]、对比度、对比噪声比 [CNR] ] 和表观扩散系数 [ADC] 值）的两个序列。

BLADE turbo gradient- and spin-echo in the assessment of sinonasal lesions: a comprehensive comparison of image quality in readout-segmented echo-planar imaging.

apparent diffusion coefficient
表观扩散系数

Image quality and quantitatively measurements of apparent diffusion coefficient (ADC), true diffusion coefficient (D), pseudodiffusion coefficient (D*), perfusion fraction (f), mean kurtosis (MK), and mean apparent diffusivity (MD) for the liver, pancreas, kidney cortex and medulla, spleen, and erector spine muscle were compared between the 3 sequences.

图像质量和肝脏表观扩散系数 (ADC)、真实扩散系数 (D)、伪扩散系数 (D*)、灌注分数 (f)、平均峰度 (MK) 和平均表观扩散率 (MD) 的定量测量，比较了3个序列之间的胰腺、肾皮质和髓质、脾脏和竖脊肌。

Scan Time Reduction in Intravoxel Incoherent Motion Diffusion-Weighted Imaging and Diffusion Kurtosis Imaging of the Abdominal Organs: Using a Simultaneous Multislice Technique With Different Acceleration Factors

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Image Quality sentence examples within 5 point scale

5 point scale
5点量表

Two observers independently assessed the number of B lines (scored per site and in total), number of sites strongly positive for B lines (ie, those with > 3 B lines/site), and image quality (scored on a 5-point scale).

两名观察者独立评估 B 线的数量（每个部位和总分）、B 线强阳性部位的数量（即，B 线 > 3 条/部位）和图像质量（以 5 分制评分） ）。

Comparison of curvilinear-array (microconvex) and phased-array transducers for ultrasonography of the lungs in dogs.

5 point scale
5点量表

The subjective image quality of the stent and in-stent vessel was evaluated by two radiologists using a 5-point scale.

支架和支架内血管的主观图像质量由两名放射科医师使用 5 分制进行评估。

Exploring the best monochromatic energy level in dual energy spectral imaging for coronary stents after percutaneous coronary intervention

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Image Quality sentence examples within synthetic aperture radar

synthetic aperture radar
合成孔径雷达

Sidelobe suppression is a basic but important task for synthetic aperture radar (SAR) images, since the existing sidelobes can reduce the image quality and complicate image interpretation.

旁瓣抑制是合成孔径雷达 (SAR) 图像的一项基本但重要的任务，因为现有的旁瓣会降低图像质量并使图像解释复杂化。

A Novel SAR Sidelobe Suppression Method Based on CNN

synthetic aperture radar
合成孔径雷达

Synthetic aperture radar (SAR), due to its inherent characteristics, will produce speckle noise, which results in the deterioration of image quality, so the removal of speckle in SAR image is very important for the subsequent high-level image processing.

合成孔径雷达（SAR）由于其固有的特性，会产生散斑噪声，导致图像质量下降，因此SAR图像中散斑的去除对于后续的高级图像处理非常重要。

MRDDANet: A Multiscale Residual Dense Dual Attention Network for SAR Image Denoising

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Image Quality sentence examples within blind referenceless image

blind referenceless image
盲目的无参考图像

In order to perceive and measure the denoising effect better, evaluation indexes of Fast Noise Variance Estimation (FNVE, an image noise estimation method) and Blind Referenceless Image Spatial Quality Evaluator (BRISQUE, an image quality evaluation method) are selected for image quality perception.

为了更好地感知和衡量去噪效果，选取了快速噪声方差估计（FNVE，一种图像噪声估计方法）和盲参考无参考图像空间质量评估器（BRISQUE，一种图像质量评估方法）的评价指标进行图像质量感知。

Noise reduction for sonar images by statistical analysis and fields of experts

blind referenceless image
盲目的无参考图像

Quality of the generated images was evaluated using signal to noise ratio (SNR), Blind/Referenceless Image Spatial Quality Evaluator (BRISQUE) and Natural Image Quality Evaluator (NIQE).

使用信噪比 (SNR)、盲/无参考图像空间质量评估器 (BRISQUE) 和自然图像质量评估器 (NIQE) 评估生成图像的质量。

Enhancing magnetic resonance imaging-driven Alzheimer’s disease classification performance using generative adversarial learning

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Image Quality sentence examples within mean squared error

mean squared error
均方误差

Changes in SBR values and image quality, expressed as the % coefficient of variation (%CV) and normalized mean squared error (NMSE), with decreasing acquisition counts were evaluated.

评估了 SBR 值和图像质量的变化，表示为 % 变异系数 (%CV) 和归一化均方误差 (NMSE)，随着采集计数的减少。

Acquisition count dependence of the specific binding ratio in 123I-FP-CIT SPECT

mean squared error
均方误差

The results show that HR images generated by applying SR to low resolution face images improve the image quality in terms of Mean squared error (MSE), Structural similarity index measure (SSIM) and Peak to signal noise ratio (PSNR).

结果表明，将 SR 应用于低分辨率人脸图像生成的 HR 图像在均方误差 (MSE)、结构相似性指数测量 (SSIM) 和峰信噪比 (PSNR) 方面提高了图像质量。

Impact of applying super resolution to low resolution face images on the performance of deep neural networks

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Image Quality sentence examples within deep learning image

deep learning image
深度学习图像

Background To evaluate the performance of a Deep Learning Image Reconstruction (DLIR) algorithm in pediatric head CT for improving image quality and lesion detection with 0.

背景 评估深度学习图像重建 (DLIR) 算法在儿科头部 CT 中提高图像质量和病变检测的性能，使用 0。

Application of a deep learning image reconstruction (DLIR) algorithm in head CT imaging for children to improve image quality and lesion detection

deep learning image
深度学习图像

PURPOSE To compare the impact on CT image quality and dose reduction of two versions of a Deep Learning Image Reconstruction algorithm.

目的 比较两个版本的深度学习图像重建算法对 CT 图像质量和剂量减少的影响。

Comparison of two versions of a deep learning image reconstruction algorithm on CT image quality and dose reduction: a phantom study.

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Image Quality sentence examples within human visual system

human visual system
人类视觉系统

As the evaluation of image quality depends on the human visual system (HVS), many existing image quality assessment (IQA) methods focus on modeling the HVS to account for subjective perception.

由于图像质量的评估取决于人类视觉系统 (HVS)，因此许多现有的图像质量评估 (IQA) 方法侧重于对 HVS 进行建模以解释主观感知。

MMMNet: An End-to-End Multi-task Deep Convolution Neural Network with Multi-scale and Multi-hierarchy Fusion for Blind Image Quality Assessment

human visual system
人类视觉系统

Since the human being is the ultimate assessor of image quality, the human visual system model has received much attention.

由于人是图像质量的最终评估者，因此人类视觉系统模型备受关注。

Saliency-based feature fusion convolutional network for blind image quality assessment

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Image Quality sentence examples within experimental results indicate

experimental results indicate
实验结果表明

The obtained experimental results indicate that the proposed approach not only performs significantly better than the remaining approaches in terms of objective image quality measures, but also enables significant reduction of the blocking defects, which was verified by visual examination, when compared to the remaining tested transforms.

获得的实验结果表明，所提出的方法不仅在客观图像质量测量方面明显优于其余方法，而且与其余测试变换相比，能够显着减少阻塞缺陷，通过视觉检查验证了这一点.

Convolutional Neural Network for Image Compression with Application to JPEG Standard

experimental results indicate
实验结果表明

Consequently, the simulation and experimental results indicate that the proposed framework is useful to predicting the accurate MTF and is effective in improving radiographic image quality.

因此，仿真和实验结果表明，所提出的框架可用于预测准确的 MTF，并有效地提高射线照相图像质量。

Investigation of patch-based modulation transfer function (MTF) prediction framework in radiography

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Image Quality sentence examples within low radiation dose

low radiation dose
低辐射剂量

Fast scan speeds and increased anatomic coverage, combined with a flexible ECG-synchronized scan and low radiation dose, are of critical importance in improving the image quality of cardiac CT scans and minimizing patient risks.

快速的扫描速度和更大的解剖覆盖范围，结合灵活的 ECG 同步扫描和低辐射剂量，对于提高心脏 CT 扫描的图像质量和最大限度地降低患者风险至关重要。

Scan: Patient Preparation, Contrast Medium, Scanning, and Post-Processing

low radiation dose
低辐射剂量

OBJECTIVES To develop a CT scanning protocol for lung cancer screening which achieved low radiation dose and a high level of objectively assessed image quality.

目标 开发用于肺癌筛查的 CT 扫描方案，实现低辐射剂量和高水平的客观评估图像质量。

Establishing scanning protocols for a CT lung cancer screening trial in the UK.

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Image Quality sentence examples within deep convolutional neural

deep convolutional neural

Objective: The purpose of this work is to investigate the feasibility of using deep convolutional neural network (CNN) to improve the image quality of a grating-based X-ray differential phase contrast imaging (XPCI) system.

目的：这项工作的目的是研究使用深度卷积神经网络 (CNN) 来提高基于光栅的 X 射线微分相衬成像 (XPCI) 系统的图像质量的可行性。

Enhancing the X-Ray Differential Phase Contrast Image Quality With Deep Learning Technique

deep convolutional neural

In this method, intensive deep convolutional neural network and residual network are combined, and the high-frequency information of the original image is extracted separately after up sampling and fused with the reconstructed super-resolution image to form high-frequency feature compensation, which can improve the image quality.

该方法将密集的深度卷积神经网络和残差网络相结合，上采样后分别提取原始图像的高频信息并与重建的超分辨率图像融合形成高频特征补偿，可以提高图像质量。

Image High Frequency Information Restoration Algorithm Based on Deep Learning

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Image Quality sentence examples within ultra low dose

ultra low dose

PURPOSE To evaluate the image quality obtained by ultra-low-dose CT (ULDCT) in patients with suspected wrist fractures in the ED and to investigate whether it is an alternative to standard-dose CT (SDCT).

目的 评估在急诊科疑似腕部骨折患者中通过超低剂量 CT (ULDCT) 获得的图像质量，并研究其是否可以替代标准剂量 CT (SDCT)。

Ultra-low-dose computed tomography and its utility in wrist trauma in the emergency department.

ultra low dose

The image quality of ultra-low-dose PET scans, AI-augmented PET scans, and clinical standard PET scans was evaluated by traditional metrics in computer vision and by expert radiologists and nuclear medicine physicians, using Wilcoxon signed-rank tests and weighted kappa statistics.

超低剂量 PET 扫描、AI 增强 PET 扫描和临床标准 PET 扫描的图像质量通过计算机视觉中的传统指标以及放射科专家和核医学医师使用 Wilcoxon 符号秩检验和加权 kappa 统计进行评估.

Artificial intelligence enables whole-body positron emission tomography scans with minimal radiation exposure

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Image Quality sentence examples within reducing radiation dose

reducing radiation dose
减少辐射剂量

Prior-image-based reconstruction (PIBR) methods are powerful tools for reducing radiation doses and improving the image quality of low-dose computed tomography (CT).

基于先验图像的重建 (PIBR) 方法是减少辐射剂量和提高低剂量计算机断层扫描 (CT) 图像质量的有力工具。

Prior-image-based CT reconstruction using attenuation-mismatched priors

reducing radiation dose
减少辐射剂量

We retrospectively investigated the usefulness of this optimization method in improving image quality and reducing radiation dose.

我们回顾性地研究了这种优化方法在提高图像质量和减少辐射剂量方面的有用性。

Optimization of injection dose in 18F-FDG PET/CT based on the 2020 national diagnostic reference levels for nuclear medicine in Japan

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Image Quality sentence examples within filtered back projection

filtered back projection
滤波反投影

Purpose: To evaluate the effects of filtered back projection (FBP), ordered subset expectation maximisation (OSEM), and different filters on cadmium zinc telluride single photon emission computed tomography (CZT SPECT) cerebral blood perfusion image quality to optimise the image reconstruction method.

目的：评估滤波反投影（FBP）、有序子集期望最大化（OSEM）和不同滤波器对碲化镉锌单光子发射计算机断层扫描（CZT SPECT）脑血流灌注图像质量的影响，以优化图像重建方法。

Optimization of Image Reconstruction Method of Cerebral Blood Flow Perfusion Imaging with Digital CZT SPECT

filtered back projection
滤波反投影

To evaluate the image quality (IQ) of a spectral photon-counting CT (SPCCT) using filtered back projection (FBP) and hybrid iterative reconstruction (IR) algorithms (iDose4), in comparison with a dual-layer CT (DLCT) system, and to choose the best image quality according to the IR level for SPCCT.

为了评估使用滤波反投影 (FBP) 和混合迭代重建 (IR) 算法 (iDose4) 的光谱光子计数 CT (SPCCT) 的图像质量 (IQ)，并与双层 CT (DLCT) 系统进行比较，并根据 SPCCT 的 IR 级别选择最佳图像质量。

Comparison of image quality between spectral photon-counting CT and dual-layer CT for the evaluation of lung nodules: a phantom study

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Image Quality sentence examples within human visual perception

human visual perception
人类视觉感知

Experimental results on the benchmark databases show that the proposed model generates image quality prediction well correlated with the human visual perception and delivers highly competitive performance with the typical and representative methods.

在基准数据库上的实验结果表明，所提出的模型生成的图像质量预测与人类视觉感知良好相关，并与典型和代表性的方法提供了极具竞争力的性能。

No-Reference Stereoscopic Image Quality Assessment Based on Binocular Statistical Features and Machine Learning

human visual perception
人类视觉感知

Image quality usually refers to the degree of error of the distorted image relative to the reference image in the human visual perception system.

图像质量通常是指失真图像在人类视觉感知系统中相对于参考图像的误差程度。

Generative Difference Image for Blind Image Quality Assessment

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Image Quality sentence examples within radiation dose reduction

radiation dose reduction
减少辐射剂量

There exists a potential for radiation dose reduction with offset-detector geometry, provided the same technique factors as the reference geometry are used, and the image quality is clinically acceptable.

如果使用与参考几何形状相同的技术因素，并且图像质量在临床上可接受，则存在使用偏移探测器几何形状减少辐射剂量的潜力。

Radiation dosimetry of a clinical prototype dedicated cone-beam breast CT system with offset detector.

radiation dose reduction
减少辐射剂量

The aim of this study was to evaluate image quality of low-dose DSCT of the lung and to assess the potential of radiation dose reduction compared to digital radiographs (DR).

本研究的目的是评估肺部低剂量 DSCT 的图像质量，并评估与数字 X 光片 (DR) 相比减少辐射剂量的潜力。

Potential for Radiation Dose Reduction in Dual-Source Computed Tomography of the Lung in the Pediatric and Adolescent Population Compared to Digital Radiography

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Image Quality sentence examples within remote sensing image

remote sensing image
遥感影像

Therefore, the design of a reasonable remote sensing image quality evaluation method is not only conducive to the remote sensing image quality evaluation in the real-time processing system of remote sensing image, but also conducive to the optimization of remote sensing image system and image processing algorithm.

因此，设计合理的遥感影像质量评价方法，不仅有利于遥感影像实时处理系统中的遥感影像质量评价，而且有利于遥感影像系统和影像处理的优化。算法。

Remote sensing image quality evaluation based on deep learning

remote sensing image
遥感影像

According to the different applications of remote sensing images, the Rough Set Theory, Fuzzy Set Theory and Back Propagation Neural Network theory (BP Neural Network) are used to establish a remote sensing image quality evaluation model.

根据遥感影像应用的不同，采用粗糙集理论、模糊集理论和反向传播神经网络理论（BP神经网络）建立遥感影像质量评价模型。

A Model for Resolving Images of Similar Quality Based on Data Application

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Image Quality sentence examples within diffusion weighted imaging

diffusion weighted imaging

Diffusion weighted imaging (DWI) has shown promise as a reliable, grade-sensitive imaging method, but it is limited by low image quality.

扩散加权成像 (DWI) 已显示出作为一种可靠、等级敏感的成像方法的前景，但它受到低图像质量的限制。

Feasibility of diffusion weighting with a local inside-out nonlinear gradient coil for prostate MRI.

diffusion weighted imaging

Purpose To compare integrated slice-specific dynamic shimming (iShim) diffusion weighted imaging (DWI) and single-shot echo-planar imaging (SS-EPI) DWI in image quality and pathological characterization of rectal cancer.

目的比较集成切片特异性动态匀场 (iShim) 扩散加权成像 (DWI) 和单次回波平面成像 (SS-EPI) DWI 在直肠癌的图像质量和病理特征方面的差异。

Integrated slice-specific dynamic shimming diffusion weighted imaging (DWI) for rectal Cancer detection and characterization

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Image Quality sentence examples within modulation transfer function

modulation transfer function
调制传递函数

Compared with the traditional projection lens system, this hybrid projection lens system has lower wave aberration with the help of DOE, and higher image quality owing to the modulation transfer function (MTF) value being improved.

与传统投影镜头系统相比，这种混合投影镜头系统借助DOE降低了波像差，提高了调制传递函数（MTF）值，提高了图像质量。

Design of Refractive/Diffractive Hybrid Projection Lens for DMD-Based Maskless Lithography

modulation transfer function
调制传递函数

Image quality assessment is important task to maintain and improve the imaging system performance, and modulation transfer function (MTF) is widely used as a quantitative metric describing the spatial resolution of an image for fan beam computed tomography (CT) system.

图像质量评估是维持和提高成像系统性能的重要任务，调制传递函数（MTF）被广泛用作描述扇束计算机断层扫描（CT）系统图像空间分辨率的定量度量。

Sphere phantom approach to measure MTF of computed tomography system using convolutional autoencoder network

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Image Quality sentence examples within balanced steady state

balanced steady state
平衡稳态

Objective: To compare left ventricular (LV) and right ventricular (RV) volume, function, and image quality of a respiratory-triggered two-dimensional (2D)-cine k-adaptive-t-autocalibrating reconstruction for Cartesian sampling (2D kat-ARC) with those of the standard reference, namely, breath-hold 2D balanced steady-state free precession (2D SSFP), in patients with repaired tetralogy of Fallot (TOF).

目的：比较用于笛卡尔采样的呼吸触发二维 (2D)-cine k-自适应-t-自动校准重建 (2D kat- ARC) 与那些标准参考，即屏气 2D 平衡稳态自由进动 (2D SSFP)，用于修复法洛四联症 (TOF) 患者。

Reliability of respiratory-triggered two-dimensional cine k-adaptive-t-autocalibrating reconstruction for Cartesian sampling for the assessment of biventricular volume and function in patients with repaired tetralogy of Fallot

balanced steady state
平衡稳态

With recent advances in MR technology, 3D-MRCP could be obtained within a single breath-hold with comparable image quality using fast data acquisition techniques such as GRASE, compressed sensing via high k-space under-sampling, 3D balanced steady-state free precession, or fastrecovery fast spin echo sequences.

随着 MR 技术的最新进展，使用 GRASE 等快速数据采集技术、通过高 k 空间欠采样的压缩感知、3D 平衡稳态自由进动等快速数据采集技术，可以在一次屏气内获得具有可比图像质量的 3D-MRCP ，或 fastrecovery 快速自旋回波序列。

Editorial for “Abbreviated Magnetic Resonance Imaging With Breath‐Hold 3‐Dimensional Magnetic Resonance Cholangiopancreatography: Assessment of Malignant Risks of Pancreatic Intraductal Papillary Mucinous Neoplasms”

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Image Quality sentence examples within high frame rate

high frame rate
高帧率

This high frame rate video mosaicking microendoscope enables in vivo probe translation at >15 millimeters per second while preserving high image quality and accurate mosaicking, increasing the size of the region of interest that can be interrogated at high resolution from 0.

这种高帧率视频镶嵌显微内窥镜能够以 > 15 毫米/秒的速度进行体内探针平移，同时保持高图像质量和准确的镶嵌，增加可以从 0 开始以高分辨率询问的感兴趣区域的大小。

High frame rate video mosaicking microendoscope to image large regions of intact tissue with subcellular resolution.

high frame rate
高帧率

Focusing on the camera market, there is currently demand for simultaneously realizing high image quality, high frame rate, and low power consumption, all within a larger-than-APS-C format.

以相机市场为中心，目前需要在比APS-C更大的格式中同时实现高图像质量、高帧率和低功耗。

7.6 A High-Speed Back-Illuminated Stacked CMOS Image Sensor with Column-Parallel kT/C-Cancelling S&H and Delta-Sigma ADC

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Image Quality sentence examples within coronary artery disease

coronary artery disease

To evaluate the image quality and diagnostic performance for obstructive coronary artery disease of transcatheter aortic valve implantation (TAVI) patients with atrial fibrillation (AF) during TAVI planning CT using a whole-heart coverage CT scanner.

使用全心脏覆盖 CT 扫描仪在 TAVI 计划 CT 期间评估经导管主动脉瓣植入 (TAVI) 合并房颤 (AF) 患者的阻塞性冠状动脉疾病的图像质量和诊断性能。

Image quality and diagnostic performance evaluation in transcatheter aortic valve implantation candidates with atrial fibrillation using a whole-heart coverage CT scanner

coronary artery disease

With DM patients exhibiting severe coronary artery disease (CAD) symptoms serving as self-controls, the effects of trimetazidine on PET MMI image quality, myocardial viability assessment, quantitative analytical parameters, and 18F-FDG uptake of different myocardial segments were elucidated.

以表现出严重冠状动脉疾病 (CAD) 症状的 DM 患者作为自我对照，阐明曲美他嗪对 PET MMI 图像质量、心肌活力评估、定量分析参数和不同心肌节段 18F-FDG 摄取的影响。

Feasibility and application of trimetazidine in 18F-FDG PET myocardial metabolic imaging of diabetic mellitus patients with severe coronary artery disease: A prospective, self-controlled study

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Image Quality sentence examples within high dynamic range

high dynamic range

Standard image quality metrics, such as PSNR or SSIM, cannot be directly computed on linear high dynamic range colour values because such values non-linearly related to our perception of visible differences.