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A benchmark for automated peak picking of protein NMR spectra

机译:蛋白质NMR光谱自动峰拣选基准

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摘要

In drug discovery field, one of the major used techniques is Nuclear Magnetic Resonance spectroscopy (NMR). To date, most of the steps in NMR analysis have been automated. The remaining step, peak picking, is still performed manually, what is extremely time-consuming and constitutes limiting factor in NMR-based drug discovery. Peak picking is a process of recognition of 2D/3D patterns in NMR image. To help automation of peak picking we have prepared a considerable benchmark, which enables testing various approaches. We also propose a baseline framework based on object detection scheme, which is well studied in the field of computer vision, and addresses automation of peak picking. Finally, we present the results of empirical studies, where a few different methods were compared, and show that peak pickers based on our framework significantly outperform the remaining methods for complex spectra and behave comparably for average ones.
机译:在药物发现场中,主要使用技术之一是核磁共振光谱(NMR)。迄今为止,NMR分析中的大多数步骤都已自动化。剩下的步骤,峰拣选,仍然手动进行,是基于NMR的药物发现中的极其耗时和构成限制因素。峰值拣选是识别NMR图像中的2D / 3D模式的过程。为了帮助自动化峰值选择,我们制作了相当大的基准,这使得能够测试各种方法。我们还提出了一种基于物体检测方案的基线框架,该方案在计算机视野中进行了很好地研究,并解决了峰值拣选的自动化。最后,我们介绍了实证研究的结果,其中比较了一些不同的方法,并表明了基于我们框架的峰值拾取器显着优于复杂光谱的其余方法,并且平均行为相当。

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