A new way of deep learning combined with street view images for air
pollutant concentration prediction

Jialiang Zhang; Xiaohai Qin; Ying Liu; Yu Fan

doi:10.1117/12.2605032

6 August 2021 A new way of deep learning combined with street view images for air pollutant concentration prediction

Jialiang Zhang, Xiaohai Qin, Ying Liu, Yu Fan

Proceedings Volume 11913, Sixth International Workshop on Pattern Recognition; 119130L (2021) https://doi.org/10.1117/12.2605032
Event: Sixth International Workshop on Pattern Recognition, 2021, Chengdu, China

Abstract

Given the complex spatial structure of urban streets, we use two deep semantic segmentation methods with highprecision to model with street view image data. Through segmentation and quantization, we obtain depth semantic segmentation prediction maps and realize pixel-level classification of multi-objects in the image in a global sense. To accurately and effectively evaluate the urban environmental air quality which is closely related to residents' health, the category target objects related to the predicted pollutant concentration in the image are established as eight categories. The segmentation results are combined with the gas quality data collected by the mobile machine to predict, which can give a set of air pollutant concentration prediction scheme for city management personnel for reference. In this study, a semantic segmentation network is adopted to extract the main environmental factors from street view images as feature vectors of gas prediction models. All the image data used in the experiment were collected in Augsburg, Germany. The sampling tool was a pinhole camera installed on a mobile trolley and set to capture an image every ten seconds. The experiment produced various environmental factors, then input them into the prediction model by combining with the air measurement data of the street view for pollutant prediction. This method can be used as a reference path for evaluating urban environmental quality, air indicators, and air pollutant concentrations.

Citation Download Citation

Jialiang Zhang, Xiaohai Qin, Ying Liu, and Yu Fan "A new way of deep learning combined with street view images for air pollutant concentration prediction", Proc. SPIE 11913, Sixth International Workshop on Pattern Recognition, 119130L (6 August 2021); https://doi.org/10.1117/12.2605032

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KEYWORDS

Image segmentation

Data modeling

Image processing

RGB color model

Environmental monitoring

Convolution

Image classification

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