Artificial Intelligence (AI) has become commonplace to solve routine everyday tasks. Because of the exponential growth in medical imaging data volume and complexity, the workload on radiologists is steadily increasing. We project that the gap between the number of imaging exams and the number of expert radiologist readers required to cover this increase will continue to expand, consequently introducing a demand for AI-based tools that improve the efficiency with which radiologists can comfortably interpret these exams. AI has been shown to improve efficiency in medical-image generation, processing, and interpretation, and a variety of such AI models have been developed across research labs worldwide. However, very few of these, if any, find their way into routine clinical use, a discrepancy that reflects the divide between AI research and successful AI translation. To address the barrier to clinical deployment, we have formed MONAI Consortium, an open-source community which is building standards for AI deployment in healthcare institutions, and developing tools and infrastructure to facilitate their implementation. This report represents several years of weekly discussions and hands-on problem solving experience by groups of industry experts and clinicians in the MONAI Consortium. We identify barriers between AI-model development in research labs and subsequent clinical deployment and propose solutions. Our report provides guidance on processes which take an imaging AI model from development to clinical implementation in a healthcare institution. We discuss various AI integration points in a clinical Radiology workflow. We also present a taxonomy of Radiology AI use-cases. Through this report, we intend to educate the stakeholders in healthcare and AI (AI researchers, radiologists, imaging informaticists, and regulators) about cross-disciplinary challenges and possible solutions.
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Artificial Intelligence (AI) is having a tremendous impact across most areas of science. Applications of AI in healthcare have the potential to improve our ability to detect, diagnose, prognose, and intervene on human disease. For AI models to be used clinically, they need to be made safe, reproducible and robust, and the underlying software framework must be aware of the particularities (e.g. geometry, physiology, physics) of medical data being processed. This work introduces MONAI, a freely available, community-supported, and consortium-led PyTorch-based framework for deep learning in healthcare. MONAI extends PyTorch to support medical data, with a particular focus on imaging, and provide purpose-specific AI model architectures, transformations and utilities that streamline the development and deployment of medical AI models. MONAI follows best practices for software-development, providing an easy-to-use, robust, well-documented, and well-tested software framework. MONAI preserves the simple, additive, and compositional approach of its underlying PyTorch libraries. MONAI is being used by and receiving contributions from research, clinical and industrial teams from around the world, who are pursuing applications spanning nearly every aspect of healthcare.
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在自主和移动机器人技术中,主要挑战之一是对环境的坚强感知,通常是未知和动态的,例如自主无人机赛车。在这项工作中,我们提出了一种新型的基于神经网络的感知方法,用于赛车门检测 - 铅笔网 - 依赖于铅笔过滤器顶部的轻质神经网络骨架。这种方法统一了对盖茨的2D位置,距离和方向的预测。我们证明我们的方法对于不需要任何现实世界训练样本的零射击SIM到运行转移学习有效。此外,与最先进的方法相比,在快速飞行下通常看到的照明变化非常强大。一组彻底的实验证明了这种方法在多种挑战的情况下的有效性,在多种挑战性的情况下,无人机在不同的照明条件下完成了各种轨道。
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深入学习模型的压缩在将这些模型部署到边缘设备方面具有根本重要性。在压缩期间,在压缩期间结合硬件模型和应用限制可以最大限度地提高优势,但使其专为一种情况而设计。因此,压缩需要自动化。搜索最佳压缩方法参数被认为是一个优化问题。本文介绍了一种多目标硬件感知量化(MohaQ)方法,其将硬件效率和推理误差视为混合精度量化的目标。该方法通过依赖于两个步骤,在很大的搜索空间中评估候选解决方案。首先,应用训练后量化以进行快速解决方案评估。其次,我们提出了一个名为“基于信标的搜索”的搜索技术,仅在搜索空间中重新选出所选解决方案,并将其用作信标以了解刷新对其他解决方案的影响。为了评估优化潜力,我们使用Timit DataSet选择语音识别模型。该模型基于简单的复发单元(SRU),由于其相当大的加速在其他复发单元上。我们应用了我们在两个平台上运行的方法:SILAGO和BETFUSION。实验评估表明,SRU通过训练后量化可以压缩高达8倍,而误差的任何显着增加,误差只有1.5个百分点增加。在Silago上,唯一的搜索发现解决方案分别实现了最大可能加速和节能的80 \%和64 \%,错误的误差增加了0.5个百分点。在BETFUSION上,对于小SRAM尺寸的约束,基于信标的搜索将推断搜索的错误增益减少4个百分点,并且与BitFusion基线相比,可能的达到的加速度增加到47倍。
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