Below is a full list of CVOS Object IDs for images generated for events.
Person recognition events: 'face', 'sceneThumb'
All other event types: 'face', 'faceDetail', 'sceneStart', 'sceneTrigger', 'sceneThumb', 'start', 'nosmile', 'faceCenter', 'trigger', 'smile', 'faceProfile'