Keywords:
haze image, subjective evaluation, mean opinion score, image database, image quality assessment
A database named HID2016 is built to provide a public benchmark to blindly evaluate image quality of haze images. The image set comes from a photographic exhibition held in China in 2014, and the single-stimulus method is adopted to develop the subjective evaluation experiments on those images. The contribution of this database not only lies in the fact that HID2016 is the first image database aiming at evaluating quality of haze images, but also lies in that the environmental indexes of each haze picture are provided, including air quality index (AQI), fine particulate matter (PM2.5) index and inhalable particles (PM10) index, which can help to explore the relationship between image quality and air quality. A three-order polynomial fitting function is adopted to simulate the experimental data, aiming at revealing the relationship between subjective score and environmental index. The experimental results show that the subjective scores in the HID2016 database keep a good accordance with the visual quality of haze images, and they roughly negative correlate with the air quality.
- Ying Chu
- Shenzhen University, China
- Zhiyuan Chen
- Shenzhen University, China
- Yu Fu
- Shenzhen University, China
- Hengyong Yu
- University of Massachusetts Lowell, USA
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