Accordingly when the air quality in Delhi and other cities in the north is deteriorating with pollution level touching ‘hazardous’ mark, a new mobile app promises to be of some help. The app, Air Cognizer, uses camera images to estimate air pollution level in the vicinity. The idea has won its developer an award by the US based Marconi Society.
The app has been developed by a team from the Delhi-based Bharti Vidyapeeth College of Engineering. “It is a real time air quality analytics application. Click an image either through the smart phone camera or by the app camera. The image should be taken outdoors with half of the image covering the sky and should be uploaded on the app. After this, the user would get the air quality index of that locality,” explained Tanmay Srivastava, a team member, while speaking to India Science Wire.
As soon as the image gets uploaded on that app, the underlying software starts extracting the information from features of the image. By combining image processing with machine learning, the app can generate estimates of air quality. The image features used for analysis include how dark, intense or light is sky in the picture. After this the machine learning model estimates the air quality index (AQI) of that location. As of now, the app is capable of calculating air quality index, PM 2.5, SO2, ozone, temperature and humidity.
Cyclonic Storm prevails over AP & North Tamilnadu According to sources the IMD stated the deep depression over south Bay of Bengal is likely to intensify into a cyclonic storm over the next 24 hours. Meanwhile the cyclonic storm is expected to move towards Andhra Pradesh and adjoining north Tamilnadu coast over the next 72 hours and the regions could witness heavy to very heavy rainfall.
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