BVI-CLEAR is a set of datasets for research on removing atmospheric turbulence distortion from images and videos. BVI-CLEAR contains two types of atmospheric turbulence sequences: i) synthetic sequences and ii) real sequences. All sequences are extracted to frames in png format.

Eight synthetic sequences contain objects distorted by turbulence using 8 gas hobs. All sequences were acquired with a Canon EOS-1D Mark IV camera with 105mm lens. The distance between the nearest gas hob and the camera was 1m, while the objects were 3.5m away from the camera. The space between each gas hob was 30cm. The flow of gas created temperature gradients leading to distortions in the scene. We captured 8 sequences containing different objects, including faces, common objects, and text. The distortions in each video were varied by altering the gas flow to produce three classes referred to as low, medium, and high distortion with 100 frames each.

The real dataset has three atmospheric turbulence sequences, i.e. mirage, monument and moving car. These real datasets have been captured without ground truth, using a Canon EOS-1D Mark IV camera with 400 mm lens at a temperature of 46 °C in dry desert conditions. We also provide the result of restoration using our CLEAR method (https://github.com/pui-nantheera/atmospheric-turbulence-removal) [1].

If this content has been mentioned in a research publication, please give credit to the University of Bristol, by referencing the following paper:

[1]  Anantrasirichai, N.; Achim, A.; Kingsbury, N.G.; Bull, D.R., "Atmospheric Turbulence Mitigation Using Complex Wavelet-Based Fusion," Image Processing, IEEE Transactions on , vol.22, no.6, pp.2398-2408, June 2013

All sequences are captured by the authors (University of Bristol).

These sequences and all intellectual property rights therein remain the property of the original source owners including the University of Bristol. These sequences may only be used for research purpose. University of Bristol makes no warranties with respect to the sequences and expressly disclaims any warranties regarding their fitness for any purpose.