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HEVS (Hypertension Estimation Visual System) – Visual Computation in Blood Pressure Estimation through Artificial Intelligence

2X place

Project summary

This work consists of a system capable of acquiring the heart pulse through a cell phone camera and estimating an individual's blood pressure. According to the annual report of Global Burden of Disease (GBD), 10,8 million people died in 2019 as a result of hypertension, making it essential to monitor blood pressure. Using a cell phone camera that captures the image of an index finger, videoplethysmography is applied to monitor the change in skin brightness. Such variation is directly related to the heart pulse. The software separates the green channel from the image and unwanted noise is filtered out, the cardiac pulse signal is normalized to serve as input to the artificial intelligence model. Two convolutional neural networks extract characteristics of the cardiac pulse and calculate the blood pressure signal. We performed four trials with three individuals at different times of the day, totaling 12 signal samples. The results showed an average error of less than 5% compared to a sphygmomanometer. This project aims to be an alternative to conventional arterial estimation processes. Since the data can be sent via the internet to a physician to analyze it, HEVS becomes an efficient tool in telemedicine, estimating blood pressure in remote regions and suitable for new approaches. Keywords: Hypertension. Blood pressure. Photoplethysmography. Visual Computing. Artificial intelligence.

Students

Marcos Augusto Flores
Vladimir Simões da Luz Junior

Guidance counsellors

Marco Cesar Sauer

Institution

FEICIT - INTERNAL SCIENCE AND TECHNOLOGY FAIR
  RS -
  Brazil

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Danielle Hikaru
Danielle Hikaru
6 months ago

Congratulations on your efforts and dedication! Amazing work!! 🙂

1+
Paulo
Paulo
6 months ago

I have no doubt that quality education institutions and young people who increasingly present themselves with high IQ is what a young country like Brazil needs.
Congratulations Augusto and your colleague. Keep looking to the future.
Overcome all the stumbling blocks that life presents. Never be discouraged.

3+
George
George
6 months ago

Marcos and Vladimir great work even more as I suffer from high blood pressure, a silent but devastating disease if not controlled and treated for sure will be very useful in the lives of everyone who needs to keep blood pressure under control.
Congratulations to you success always hug

2+
Ana Laura Bonzanini
Ana Laura Bonzanini
6 months ago

Sensational! Great!
Congratulations guys for this incredibly project developed by you under the guidance of Professor Sauer. I wish you success in the next steps and luck in your evaluations 🍀 Congratulations again for preparing this survey, despite all the pandemic context 😁

1+
Peter Arthur Bohn
Peter Arthur Bohn
6 months ago

Phenomenal work. The way they handled the subject of work was very appropriate. Certainly, future support will contribute a lot to the importance and significance of the project.

1+
Lilian
Lilian
6 months ago

Congratulations to Professor Sauer and the students for their prestigious scientific production.

1+
Last edited 6 months ago by Lílian
Lilian
Lilian
6 months ago

Congratulations to Professor Sauer and the students for their prestigious scientific production.

1+
Prof. deise muller
Prof. deise muller
6 months ago

Congratulations, for the work!!
Good luck on the review!!

1+
LEANDRO ANDRIGHETTI
LEANDRO ANDRIGHETTI
6 months ago

Congratulations Marcos and Vladimir! Consistent and well-presented work.

1+
Raquel Vieira Sebastiani
Raquel Vieira Sebastiani
6 months ago

Congratulations! I hope it goes ahead and becomes a product. I would definitely be one of those interested.

1+
Eduardo Godoi
Eduardo Godoi
6 months ago

Sensational project! Great video and explanation, I believe it will be of great help for those who suffer from hypertension.
Congratulations for your dedication and elaboration of this work, my friends!

1+
Julianne Martins
Julianne Martins
6 months ago

Congratulations on the work, really very good, go far! Success for you!

1+
Leo Weber
Leo Weber
6 months ago

Very good. Congratulations !!

1+

Popular vote*

Did you like it? So vote and share now:

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Students

Marcos Augusto Flores
Vladimir Simões da Luz Junior

Guidance counsellors

Marco Cesar Sauer

Institution

FEICIT – FEIRA INTERNA DE CIÊNCIA E TECNOLOGIA
  RS –
  Brazil

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