arXiv:2510.04859cs.CVphysics.data-an2025-10被引 1

用深度学习快速评估显微图像质量,支持局部与全局分析。

Global-to-local image quality assessment in optical microscopy via fast and robust deep learning predictions

  • 基于深度卷积网络,重训练自然图像模型以适配显微图像。
  • 可对单张图像进行像素级质量打分,支持空间分布可视化。
  • 速度快、抗异常值,适合大规模显微图像分析任务。

光学显微镜是生命科学和生物医学研究中最常用的技术之一。这些应用需要可靠的实验流程来从样本中提取有价值的信息,并依赖图像质量评估(IQA)确保图像数据的正确处理与分析。现有IQA方法复杂度不一,尽管多数实现简单,但在处理大规模数据集时可能耗时且计算成本高;同时,传统方法通常针对理想图像特征设计,对偏离标准范围的图像表现不稳定。为克服上述限制,近期研究提出基于深度学习的IQA方法,具备更优性能、更强泛化能力及快速预测优势。本文提出的μDeepIQA方法,借鉴已有研究,将专用于自然图像IQA的深度卷积神经网络迁移至光学显微图像数据,并重新训练以预测个体质量指标及整体质量评分。所构建模型在不同条件下均能提供快速且稳定的图像质量预测,甚至在超出理想范围的场景下仍保持良好表现。此外,μDeepIQA支持图像的局部块级质量评估,可用于可视化单张图像中的空间质量变化。研究表明,显微图像研究可受益于深度学习模型的泛化能力,其在异常值鲁棒性、小区域质量评估以及高速预测方面具有显著优势。

原文摘要 · Abstract (English)

Optical microscopy is one of the most widely used techniques in research studies for life sciences and biomedicine. These applications require reliable experimental pipelines to extract valuable knowledge from the measured samples and must be supported by image quality assessment (IQA) to ensure correct processing and analysis of the image data. IQA methods are implemented with variable complexity. However, while most quality metrics have a straightforward implementation, they might be time consuming and computationally expensive when evaluating a large dataset. In addition, quality metrics are often designed for well-defined image features and may be unstable for images out of the ideal domain. To overcome these limitations, recent works have proposed deep learning-based IQA methods, which can provide superior performance, increased generalizability and fast prediction. Our method, named $\mathrmμ$DeepIQA, is inspired by previous studies and applies a deep convolutional neural network designed for IQA on natural images to optical microscopy measurements. We retrained the same architecture to predict individual quality metrics and global quality scores for optical microscopy data. The resulting models provide fast and stable predictions of image quality by generalizing quality estimation even outside the ideal range of standard methods. In addition, $\mathrmμ$DeepIQA provides patch-wise prediction of image quality and can be used to visualize spatially varying quality in a single image. Our study demonstrates that optical microscopy-based studies can benefit from the generalizability of deep learning models due to their stable performance in the presence of outliers, the ability to assess small image patches, and rapid predictions.

图像质量评估显微成像深度学习卷积网络

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