这项研究的重点是在分析二维肺X射线图像中的特定人工智能子场的应用，以辅助医学诊断普通肺炎。卷积神经网络算法是在基于Python编码的基于烧瓶的Web应用程序中实现的，该应用程序可以分析X射线图像以检测普通肺炎。由于卷积神经网络算法依靠机器学习来识别和检测模式，因此实施了一种称为转移学习的技术来训练神经网络，以识别和检测数据集中的模式。开源肺X射线图像被用作训练数据，以创建一个知识库，该知识库是Web应用程序的核心元素，实验设计采用了5次验证性测试来验证Web应用程序。 5次验证性测试的结果显示，每次试验的诊断精度百分比，一般诊断精度百分比和一般诊断错误百分比的计算，而混淆矩阵进一步显示了标签和Web应用程序相应诊断结果之间的关系。每个测试图像。开发的Web应用程序可以由医生可以在A.I.辅助诊断普通肺炎的诊断中以及计算机科学和生物信息学领域的研究人员中使用。

在这项研究中，将放射学方法扩展到用于组织分类的光学荧光分子成像数据，称为“验光”。荧光分子成像正在出现在头颈部鳞状细胞癌（HNSCC）切除期间的精确手术引导。然而，肿瘤到正常的组织对比与靶分子表皮生长因子受体（EGFR）的异质表达的内在生理局限性混淆。验光学试图通过探测荧光传达的EGFR表达中的质地模式差异来改善肿瘤识别。从荧光图像样品中提取了总共1,472个标准化的验光特征。涉及支持矢量机分类器的监督机器学习管道接受了25个顶级功能的培训，这些功能由最小冗余最大相关标准选择。通过将切除组织的图像贴片分类为组织学确认的恶性肿瘤状态，将模型预测性能与荧光强度阈值方法进行了比较。与荧光强度阈值方法相比，验光方法在所有测试集样品中提供了一致的预测准确性（无剂量）（平均精度为89％vs. 81％； P = 0.0072）。改进的性能表明，将放射线学方法扩展到荧光分子成像数据为荧光引导手术中的癌症检测提供了有希望的图像分析技术。

语言模型既展示了定量的改进，又展示了新的定性功能，随着规模的增加。尽管它们具有潜在的变革性影响，但这些新能力的特征却很差。为了为未来的研究提供信息，为破坏性的新模型能力做准备，并改善社会有害的效果，至关重要的是，我们必须了解目前和近乎未来的能力和语言模型的局限性。为了应对这一挑战，我们介绍了超越模仿游戏基准（Big Bench）。 Big Bench目前由204个任务组成，由132家机构的442位作者贡献。任务主题是多样的，从语言学，儿童发展，数学，常识性推理，生物学，物理学，社会偏见，软件开发等等。 Big-Bench专注于被认为超出当前语言模型的功能的任务。我们评估了OpenAI的GPT型号，Google内部密集变压器体系结构和大型基础上的开关稀疏变压器的行为，跨越了数百万到数十亿个参数。此外，一个人类专家评估者团队执行了所有任务，以提供强大的基准。研究结果包括：模型性能和校准都随规模改善，但绝对的术语（以及与评估者的性能相比）；在模型类中的性能非常相似，尽管带有稀疏性。逐渐和预测的任务通常涉及大量知识或记忆成分，而在临界规模上表现出“突破性”行为的任务通常涉及多个步骤或组成部分或脆性指标；社交偏见通常会随着含糊不清的环境而随着规模而增加，但这可以通过提示来改善。

开普勒和苔丝任务产生了超过100,000个潜在的传输信号，必须处理，以便创建行星候选的目录。在过去几年中，使用机器学习越来越感兴趣，以分析这些数据以寻找新的外延网。与现有的机器学习作品不同，exoMiner，建议的深度学习分类器在这项工作中，模仿域专家如何检查诊断测试以VET传输信号。 exoMiner是一种高度准确，可说明的和强大的分类器，其中1）允许我们验证来自桅杆开口存档的301个新的外延网，而2）是足够的，足以应用于诸如正在进行的苔丝任务的任务中应用。我们进行了广泛的实验研究，以验证exoMiner在不同分类和排名指标方面比现有的传输信号分类器更可靠，准确。例如，对于固定精度值为99％，exoMiner检索测试集中的93.6％的所有外产网（即，召回= 0.936），而最佳现有分类器的速率为76.3％。此外，exoMiner的模块化设计有利于其解释性。我们介绍了一个简单的解释性框架，提供了具有反馈的专家，为什么exoMiner将运输信号分类为特定类标签（例如，行星候选人或不是行星候选人）。

当前的量子点（QD）设备的自动传动方法在显示出一些成功的同时，缺乏对数据可靠性的评估。当自主系统处理嘈杂或低质量数据时，这会导致意外的失败。在这项工作中，我们为QD设备的强大自动调整提供了一个框架，该QD设备将机器学习（ML）状态分类器与数据质量控制模块结合在一起。数据质量控制模块充当“守门人”系统，确保只有国家分类器处理可靠的数据。较低的数据质量会导致设备重新校准或终止。为了训练两个ML系统，我们通过结合QD实验的典型合成噪声来增强QD仿真。我们确认，在状态分类器的训练中包含合成噪声可以显着提高性能，在测试实验数据时，准确性为95.0（9）％。然后，我们通过表明状态分类器的性能随着预期的数据质量而恶化，从而验证数据质量控制模块的功能。我们的结果为嘈杂的QD设备的自动调整建立了强大而灵活的ML框架。

储层计算（RC）已经获得了最近的兴趣，因为无需培训储层权重，从而实现了极低的资源消费实施，这可能会对边缘计算和现场学习的影响有严格的限制。理想情况下，天然硬件储层应被动，最小，表现力和可行性。迄今为止，拟议的硬件水库很难满足所有这些标准。因此，我们建议通过利用偶极耦合，沮丧的纳米磁体的被动相互作用来符合所有这些标准的水库。挫败感大大增加了稳定的储层国家的数量，丰富了储层动力学，因此这些沮丧的纳米磁体满足了天然硬件储层的所有标准。同样，我们提出了具有低功率互补金属氧化物半导体（CMOS）电路的完全沮丧的纳米磁管储层计算（NMRC）系统与储层接口，并且初始实验结果证明了储层的可行性。在三个单独的任务上，通过微磁模拟对储层进行了验证。将所提出的系统与CMOS Echo-State网络（ESN）进行了比较，表明总体资源减少了10,000,000多倍，这表明，由于NMRC自然是被动的，而且最小的可能是具有极高资源效率的潜力。

When robots learn reward functions using high capacity models that take raw state directly as input, they need to both learn a representation for what matters in the task -- the task ``features" -- as well as how to combine these features into a single objective. If they try to do both at once from input designed to teach the full reward function, it is easy to end up with a representation that contains spurious correlations in the data, which fails to generalize to new settings. Instead, our ultimate goal is to enable robots to identify and isolate the causal features that people actually care about and use when they represent states and behavior. Our idea is that we can tune into this representation by asking users what behaviors they consider similar: behaviors will be similar if the features that matter are similar, even if low-level behavior is different; conversely, behaviors will be different if even one of the features that matter differs. This, in turn, is what enables the robot to disambiguate between what needs to go into the representation versus what is spurious, as well as what aspects of behavior can be compressed together versus not. The notion of learning representations based on similarity has a nice parallel in contrastive learning, a self-supervised representation learning technique that maps visually similar data points to similar embeddings, where similarity is defined by a designer through data augmentation heuristics. By contrast, in order to learn the representations that people use, so we can learn their preferences and objectives, we use their definition of similarity. In simulation as well as in a user study, we show that learning through such similarity queries leads to representations that, while far from perfect, are indeed more generalizable than self-supervised and task-input alternatives.

In the Earth's magnetosphere, there are fewer than a dozen dedicated probes beyond low-Earth orbit making in-situ observations at any given time. As a result, we poorly understand its global structure and evolution, the mechanisms of its main activity processes, magnetic storms, and substorms. New Artificial Intelligence (AI) methods, including machine learning, data mining, and data assimilation, as well as new AI-enabled missions will need to be developed to meet this Sparse Data challenge.

The availability of frequent and cost-free satellite images is in growing demand in the research world. Such satellite constellations as Landsat 8 and Sentinel-2 provide a massive amount of valuable data daily. However, the discrepancy in the sensors' characteristics of these satellites makes it senseless to use a segmentation model trained on either dataset and applied to another, which is why domain adaptation techniques have recently become an active research area in remote sensing. In this paper, an experiment of domain adaptation through style-transferring is conducted using the HRSemI2I model to narrow the sensor discrepancy between Landsat 8 and Sentinel-2. This paper's main contribution is analyzing the expediency of that approach by comparing the results of segmentation using domain-adapted images with those without adaptation. The HRSemI2I model, adjusted to work with 6-band imagery, shows significant intersection-over-union performance improvement for both mean and per class metrics. A second contribution is providing different schemes of generalization between two label schemes - NALCMS 2015 and CORINE. The first scheme is standardization through higher-level land cover classes, and the second is through harmonization validation in the field.

We describe a Physics-Informed Neural Network (PINN) that simulates the flow induced by the astronomical tide in a synthetic port channel, with dimensions based on the Santos - S\~ao Vicente - Bertioga Estuarine System. PINN models aim to combine the knowledge of physical systems and data-driven machine learning models. This is done by training a neural network to minimize the residuals of the governing equations in sample points. In this work, our flow is governed by the Navier-Stokes equations with some approximations. There are two main novelties in this paper. First, we design our model to assume that the flow is periodic in time, which is not feasible in conventional simulation methods. Second, we evaluate the benefit of resampling the function evaluation points during training, which has a near zero computational cost and has been verified to improve the final model, especially for small batch sizes. Finally, we discuss some limitations of the approximations used in the Navier-Stokes equations regarding the modeling of turbulence and how it interacts with PINNs.