Disarranged Zone Learning (DZL): An unsupervised and dynamic automatic stenosis recognition methodology based on coronary angiography

no code implementations • 3 Oct 2021 • Yanan Dai, Pengxiong Zhu, Bangde Xue, Yun Ling, Xibao Shi, Liang Geng, Qi Zhang, Jun Liu

Hence, the prediction accuracy of DZL is used as an approximator of coronary stenosis indicator.

The estimate of sensitivity for large infrared telescopes based on measured sky brightness and atmospheric extinction

no code implementations • 23 Sep 2020 • Zhijun Zhao, Haijing Zhou, Yuchen Zhang, Yun Ling, Fangyu Xu

In order to evaluate the ground-based infrared telescope sensitivity affected by the noise from the atmosphere, instruments and detectors, we construct a sensitivity model that can calculate limiting magnitudes and signal-to-noise ratio ($S/N$).

Instrumentation and Methods for Astrophysics