Covid-19 (Coronavirus Disease-2019) is the most recent coronavirus-related disease that has been announced as a pandemic by the World Health Organization (WHO). Furthermore, it has brought the whole planet to a halt as a result of the worldwide introduction of lockdown and killed millions of people. While this virus has a low fatality rate, the problem is that it is highly infectious, and as a result, it has infected a large number of people, putting a strain on the healthcare system, hence, Covid-19 identification in patients has become critical. The goal of this research is to use X-rays images and computed tomography (CT) images to introduce a deep learning strategy based on the Convolutional Neural Network (CNN) to automatically detect and identify the Covid-19 disease. We have implemented two different classifications using CNN, i.e., binary and multiclass classification. A total of 3,877 images dataset of CT and X-ray images has been utilised to train the model in binary classification, out of which the 1,917 images are of Covid-19 infected individuals . An overall accuracy of 99.64%, recall (or sensitivity) of 99.58%, the precision of 99.56%, F1-score of 99.59%, and ROC of 100% has been observed for the binary classification. For multiple classifications, the model has been trained using a total of 6,077 images, out of which 1,917 images are of Covid-19 infected people, 1,960 images are of normal healthy people, and 2,200 images are of pneumonia infected people. An accuracy of 98.28%, recall (or sensitivity) of 98.25%, the precision of 98.22%, F1-score of 98.23%, and ROC of 99.87% has been achieved for the multiclass classification using the proposed method. On the currently available dataset, the our proposed model produced the desired results, and it can assist healthcare workers in quickly detecting Covid-19 positive patients.
Covid-19 has a median R0 of 5.7, according to a new study published online in Emerging Infectious Diseases. The 5.7 indicates that one person infected with Covid-19 has the ability to infect 5 to 6 people, rather than the 2 to 3 expected by researchers. Not only that, but the virus is evolving, and different types of strains have been discovered in different parts of the world. These changes are making the virus stronger by the day, and thousands of people are dying every day. As a result, several countries have been affected, with several incidents of community spread. Due to this, various countries are running out of resources and healthcare workers require diagnostic tools to investigate cases of potential Covid-19. Hence, we have developed simple models based on Xrays and CTs to detect and classify the Covid-19 cases. Our models are deep learning-based, and we’ve done binary and multiclass classification. The experimental results for binary classification show an overall accuracy of 99.64%, recall(or sensitivity) of 99.58%, the precision of 99.56%, F1-score of 99.59%, and ROC of 100%. The experimental results for multiple classifications show an accuracy of 98.28%, recall(or sensitivity) of 98.25%, the precision of 98.22%, F1-score of 98.23%, and ROC of 99.87%. In terms of performance measurements as well as dataset, our models exceeded the majority of existing approaches. This method can prove to be very helpful in case of an emergency. Our models proved to be efficient on the current dataset. However, it still needs clinical study and testing.