Dataset of thermal facial videos of people breathing while wearing masks in different methods

<p><strong>Dataset of thermal facial videos of people breathing while wearing masks in different methods</strong></p><p>- Thermal video of the face for 4 seconds of a single breath while wearing a mask.</p><p>- Five repetitions of video with the same conditions.</p><p>- 5 different mask types used. (Labeled in the filename with a number as shown below.)</p><ol><li>Surgical Mask: Mask for surgical use</li><li>KF-AD (Anti-Droplet): Mask for blocking droplets (approximately 5 μm in size)</li><li>KF80: Blocks at least 80% of particles with an average size of 0.6 μm (similar rating to European FFP1)</li><li>KF94: Blocks at least 94% of particles with an average size of 0.4 μm (similar to European FFP2 and U.S. N95)</li><li>KF99: Blocks at least 99% of particles with an average size of 0.4 μm</li></ol><p>- 4 different methods of wearing a mask used. (Labeled in the filename with a number as shown below.)</p><ol><li>Wearing a mask on the chin to expose the nose and mouth</li><li>Lowering the mask under the nose and covering only the mouth</li><li>Covering the nose without the nose wire being tightly attached, thereby letting air leak from the side of the mask</li><li>Wearing the mask properly and securely</li></ol><p>- File name: 'Participant number_Mask type number_Mask wearing method number_Repetition count'</p><p>- The videos are in mp4 format with 1440×1080 pixels and frame rate of 8.7 Hz.</p><p>- Organized into folders: train (3200 videos), test (1000 videos), validation (800 videos).</p>