[ImgBot] Optimize images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced by 9% 🎉

Details

File	Before	After	Percent reduction
/images/overall-usage.png	83.31kb	41.35kb	50.36%
/images/system.png	58.91kb	29.51kb	49.90%
/images/mobilenetv1.png	30.23kb	23.66kb	21.74%
/images/trainning.png	5.67kb	4.65kb	17.94%
/images/schema.png	54.08kb	44.81kb	17.16%
/images/search.png	13.05kb	11.63kb	10.93%
/images/fig3.png	10.37kb	9.74kb	6.12%
/images/fig5.png	52.68kb	49.61kb	5.84%
/images/signal.png	277.35kb	264.13kb	4.77%
/images/parking.png	195.72kb	188.95kb	3.46%
/images/detail.png	43.75kb	42.26kb	3.42%
/images/fig2.png	180.68kb	175.80kb	2.70%
/images/direction.png	129.32kb	125.97kb	2.59%
/images/main_black.png	203.24kb	198.14kb	2.51%
/images/fig4.png	25.23kb	24.67kb	2.24%
Total :	1,363.61kb	1,234.86kb	9.44%

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