Smart Crib Control System Based on Sentiment Analysis



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Classification 
Accuracy 
Prediction 
Recall 
F1 
Crying/Non-Crying 
97.33% 
97.44% 
97.37% 
97.33% 
Hungry/Pain/Sleepy 
81.08% 
82.27% 
80.77% 
80.95% 
Hungry/Pain/Sleepy/ 
Non-Crying 
90.67% 
86.70% 
85.58% 
85.71% 
We can see that when judging whether the signal depicts a 
crying baby, the SVM achieves a great result. The classification 
of different reasons of why the baby is crying are also high. In 
the comprehensive analysis, 90.97% accuracy is achieved. 
VI.
C
ONCLUSION
In this paper we introduced the system architecture, 
workflow and system implementation of a smart crib control 
system. The system explores the idea of approaching crying 
analysis as a sentiment analysis task. We use framing, endpoint 
detection and cry unit detection to extract data signals. Then, we 
extract feature vectors and use SFFS for feature selection. 
 
Figure 6. Results after Pre-Processing steps 


Finally, we put the final feature vector into the SVM that 
implements o-v-o strategy to classify and predict. 
At present, we have implemented a laboratory demo of the 
smart crib and proposed a design of the smart crib system. As 
future work, we will perform additional experiments using 
larger datasets, which would also allow the application of more 
sophisticated methodsq. 
A
CKNOWLEDGMENT 
This research was supported by the National Natural Science 
Foundation of China (Grant No. 61202085), and the 
fundamental research funds for the central university (Grant No. 
N161704003). 
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