Home » Computer Vision in the Fight Against the Covid-19 Pandemic

Computer Vision in the Fight Against the Covid-19 Pandemic

by Uneeb Khan
Computer Vision in the Fight Against the Covid-19 Pandemic

The covid-19 virus entered our lives as a storm that completely changed our lives. The severity of the pandemic was so extensive that it caused us to abandon many of the habits we had been familiar with. We are now forced to adjust to new practices like using sanitizers, wearing masks, and so on. The absence of any study or homework help could have helped us prepare for this impending death. The human race has always been triumphant over the many issues they’ve faced throughout time and we hope to do the same this time too. While the pharmaceutical and medical community is working hard to come up with a cure the technology industry isn’t far behind.

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X-Ray Radiography

Digital X-Ray radiography, also known as CXR is a brand-new technology that has cut down the cost of chest pathology in comparison to computerized tomography (CT imaging). CT imaging also required an extensive infrastructure since most medical centers couldn’t afford the expense of a CT Imaging device. Digital X-rays have grown in popularity to diagnose symptoms of Covid-19. The technology employs computer-aided techniques to identify any blockages or patches within the chest of patients.

The Covid-19 machine has a broad scope of use as doctors utilize it to treat other ailments like heart issues as well as cancer. However, identifying the signs of Covid-19 can be difficult using images from X-rays. Pathologists must pre-process the images since digital images aren’t sharp enough to contrast with our soft tissues. In the last few years, we’ve seen several digital radiography equipment being introduced. One of the most effective of them all is Covid-Net. The machine was specifically designed to deal with Covid and comes with a comprehensive database that gives near-perfect results.

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Computed Tomography

CT also known as Computed Tomography is a non-invasive test that produces a detailed picture of the chest of the patient. The technology makes use of radiology to produce a more precise image than a conventional radiograph. CT imaging allows you to see the precise details of all muscles, bones fats, organs, and other tissues as well as tissue images.

The technology has enabled researchers better understand the signs of Covid-19 as well as how this affects the chest. Computed Tomography revealed that it has a lot of the characteristics of pneumonia, including lower lobes that are affected or opacification of the ground glass, among other notable features, based on the extent of the condition.

CT imaging utilizes UNet semantic segmentation to draw out the affected areas in an image. This makes it easier to differentiate between CT images of healthy and affected patients. The model is able to provide precise predictions of up to 95.24 percent for Covid-19 diagnosis.

Masked Face Recognition

In the initial days of Covid-19, doctors advised us all to wear masks as a first-line prevention strategy against the spread. We frequently utilized N95, and Clinical masks, as doctors recommended to stop whether the infection was spread. Some governments even demanded the use of masks as a prevention strategy. Therefore, researchers have come up with an algorithm that computers can assist with the implementation. Computer vision systems have helped them create a face recognition system that was masked by using multiple-granular models of face recognition.

This technology has been able to attain greater than 90% accuracy in finding faces in a masked faces image database. Although some companies used it in specific areas for the benefit of their employees, however, the information was later released to the public. The data included three kinds of data, and they utilized it for additional research such as

  • Researchers utilized MFDD as well as the Masked Face Detection Dataset to develop the Masked Face Recognition model to perform specific masked face recognition tasks.
  • The Simulated Masked Face Recognition Database The Simulated Masked Face Recognition Database, or SMFRD lets users make simulated masks of faces by scanning more than five million people.
  • RMFRD also known as The Real-world Masked Face Recognition Dataset is the world’s biggest mask-free face database. It contains real-world data, including images of thousands of individuals in both masks and not masks.


Infrared thermography is utilized to identify the characteristics of Covid-19 in the early stages. If anyone exhibits symptoms that suggest coronavirus early thermography is a reliable method of identifying the person. The majority of malls and airports have thermography facilities on their premises to identify those who have a body temperature that is higher than 98.3 temperatures Celsius.

Thermal guns make use of this technique to detect the presence of a fever in a person. The tester simply has to apply the gun to the foreheads of the suspect to obtain the results. Infrared screening can also be done using CCD cameras and thermography. They are more efficient methods than thermal guns because there is no physical contact. However, you will get precise vital sign measurements using the MUSIC algorithm as well as include matching.

Pandemic Drones

Photographers usually use drones for breathtaking aerial photos. Drones use computer vision to create digital images as well as sensors to remotely run. It is not necessary to personally operate a drone. this is the reason for the creation of pandemic drones. Medical facilities and non-profit organizations use drones to aid Covid-afflicted patients even if they are not near.

Researchers also employed similar tools to design vision-guided robotics. These utilized 3D technology to recognize objects and thermography to recognize those suffering from the disease and assist patients by providing medical supplies food items, medical supplies, and other essential items.

Germ Screening

Researchers and scientists also employed computer vision to detect bacteria during the fight against Covid-19. They created an artificial neural network that convolutionally operates to better screen germs. This method detects bacteria using light sheet microscopy pictures. The results have proven that this technique can guarantee about 90% accuracy when it comes to accurately identifying viruses.

Disease Progression Score

Medical experts and researchers discovered that they could assist patients more effectively when they were able to classify patients based on how severe the illness was. For instance, diagnostic centers could make use of computer vision to detect and separate patients who are seriously ill and require medical attention immediately.

Thus, by using parameters to measure the severity of patients, doctors can categorize their patients with greater ease. They were able to develop an assessment of disease progression by analyzing the affected areas in CT images. These images can be tracked to track the progression of patients over time. This will allow us to easily discern which patients aren’t getting the proper treatment and require more attention.

Researchers have also utilized computers with cameras to detect abnormalities in respiratory patterns. One example of this could be RSM which is also known as Respiratory Simulation Model. It is built on Gated Recurrent Units of the GRUs neural system. This classification classifies six major respiration patterns to determine critically ill and clinically sick patients. For instance, patients with Covid-19 suffer from higher rates of respiration. The model has a 94.5 percent accuracy to detect respiratory rates and identify the presence of the virus.

Support Vaccination Development

Researchers also make use of computer vision software to perform QSAR analysis. QSAR, which stands for Quantitative structure-activity relationship analysis, integrates 360-degree images of molecular conformations in computer vision.

Utilizing deep cameras, scientists can obtain a precise image of molecules. that helps them create new drugs as well as aid in the development of vaccines.

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