The CEW (Closed eyes in the wild) closed-eyes dataset is provided by Nanjing University of Aeronautics and Astronautics. It contains 2,423 photos of test subjects with their eyes open and closed. The differences in the photos are reflected in the individual differences of the test subjects and changes in various environments, such as lighting, blur, occlusion, etc. This dataset can be used for research on tasks such as eye detection.