A digital loss-of-signal ("LOS") detector comprises a trough circuit(20) and a smearing circuit(30). The trough circuit generates a logic output whenever an incoming communication signal is within a predefined voltage range. The output of the trough circuit(20) is applied to the smearing ...
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Loss of signal detector for low-level optical signals 1. A method of detecting a loss-of-signal condition in an optical communication system, comprising the steps of: creating a sampling window of suitable size; counting the number of noise signal transitions in the sampling window; and... FJ...
The 510/591 nm signal strength ratio, which provides an indication of the level of lipid peroxidation, was increased for SH-SY5Y cells treated with siWIPI4, as measured by flow cytometry (Extended Data Fig. 1g,h), suggesting that lipid peroxidation is induced and the observed cell death ...
会复现的网络架构有：1.SSD: Single Shot MultiBox Detector(√)2.RetinaNet3.Faster RCNN4.YOLO系列...
one-stage detector的准确率不如two-stage detector的原因,本文给出的结论是:由样本的 类别不均衡 导致。 在目标检测算法中,对于输入的一张图像,可能会生成成千上万的预选框(region proposal),但是其中只有很少一部分是包含真实目标的,这就带来了类别不均衡问题。
所以目标就是:focal loss的出发点是希望one-stage detector可以达到two-stage detector的准确率,同时不影响原有的速度。 So,Why?and result? 这是什么原因造成的呢?the Reason is:Class Imbalance(正负样本不平衡),样本的类别不均衡导致的。 我们知道在object detection领域,一张图像可能生成成千上万的candidate loca...
后者是指类似YOLO,SSD这样不需要region proposal,直接回归的检测算法,这类算法速度很快,但是准确率不如前者。作者提出focal loss的出发点也是希望one-stage detector可以达到two-stage detector的准确率,同时不影响原有的速度。 二、拟解决问题 作者认为one-stage detector的准确率不如two-stage detector的原因是:样本...
所以目标就是:focal loss的出发点是希望one-stage detector可以达到two-stage detector的准确率,同时不影响原有的速度。 So,Why?and result? 这是什么原因造成的呢?the Reason is:Class Imbalance(正负样本不平衡),样本的类别不均衡导致的。 我们知道在object detection领域,一张图像可能生成成千上万的candidate loca...
Insertion Loss refers to the magnitude of signal loss when transmitted through a medium, typically expressed in decibels (dB). It is a key parameter used to evaluate the performance of systems or components in terms of signal attenuation or gain. ...