Gesture Based Computer Control System

The whole world has been witnessing the gigantic enemy in the form of COVID-19 since March 2020. With its super-fast spread, it has devastated a major part of the world and found to be the most dangerous virus of the 21st Century. All countries went into a lockdown to control the spread of the virus, and the economy dropped down to an all- time low index. The major guideline to avoid the spread of diseases like COVID- 19 at work is avoiding contact with people and their belongings. It is not safe to use computing devices because it may result in the spread of the virus by touching them. This paper presents an Artificial Intelligence- based virtual mouse that detects or recognizes hand gestures to control the various functions of a personal computer. The virtual mouse Algorithm uses a webcam or a built-in camera of the system to capture hand gestures, then uses an algorithm to detect the palm boundaries similar to that of the face detection model of the media pipe face mesh algorithm. After tracing the palm boundaries, it uses a regression model and locates the 21 3D hand-knuckle coordinate points inside the recognized hand/palm boundaries. Once the Hand Landmarks are detected, they are used to call windows Application Programming Interface (API) functions to control the functionalities of the system. The proposed algorithm is tested for volume control and cursor control in a laptop with the Windows operating system and a webcam. The proposedsystem took only 1ms to identify the gestures and control the volume and cursor in real-time. © 2023 IEEE.

Role of natural products in infectious diseases

Various infections such as bacterial, viral, fungal, and parasitic infectious diseases are playing a pivotal role in causing minor complications to serious threat to mankind. Especially viral infections like HIV, malaria, dengue, hepatitis, and COVID-19 are very dangerous and difficult to treat. Nature has long been seen with materials that can be used to combat illnesses and treat diseases. The need of the hour is to explore new medications and novel targets to treat infected people from natural sources. Bioactives and plant extracts obtained from natural products are enriched with a lot of potential antiviral medication candidates. Furthermore, phytomedicines and phytotherapy are gaining attention as they are economical and safe alternatives to other treatments. The current chapter deals with the utility of natural products in infectious diseases such as HIV, malaria, dengue, hepatitis, and COVID-19. © 2023 Elsevier Inc. All rights reserved.