International Business Machines Corporation

Wen Chen Cheng

Ling Wang

Wen Jun Yin

Yu Xin Zhao

Xiao Guang Rui

Gang Zhou

Xin Jie Lv

Chang Rui Ren

Ke Xu Zou

Yu Tao Ba

The disclosure involves multi-source data assimilation. According to an embodiment, first data associated with an indication of environmental quality in a first region is obtained, and second data associated with an indication of environmental quality in a second region is obtained. The first data is of a higher quality than the second data according to a predetermined criterion. The second data is calibrated according to a relationship between the first and second data in an overlap of the first and second regions. Third data associated with an indication of environmental quality in a third region is determined based on the first data and the calibrated second data, wherein the third region comprises at least the first and second regions.

Multi-source data assimilation for three-dimensional environmental monitoring

A system, a computer readable storage medium, and a method for data quality control using a correlated sensor group includes selecting a sensor group, by at least one processor, according to a uniformity and a correlation with air pollution concentration data from a reference station, selecting a time series based on the correlation, generating a particle concentration model between the sensor group and the reference station, calculating a deviation in the particle concentration data from the particle concentration model, and recognizing outliers from the deviation as unacceptable data.

Data quality control using a correlated sensor group

Growing community of inventors

Beijing, China

Wen Chen Cheng