Thermal imaging market demand for cost effective thermal imaging devices across a diverse range of applications is expected to serve as a key market driver over the next six years:

The global thermal imaging market is expected to reach USD 6,499.5 million by 2020, according to a new study by Grand View Research, Inc. Surging demand for cost effective thermal imaging devices across a diverse range of applications is expected to serve as a key market driver over the next six years. Commercialization of thermal imagers owing to the development of microbolometers is also expected to favorably impact market growth over the forecast period.
http://www.grandviewresearch.com/industry-analysis/thermal-imaging-market