Fuente: Wipo "Sensorization" The present disclosure generally relates to managing sensor data. Some techniques are for a sensor device to manage sensor data in accordance with some embodiments. Other techniques are for a resident device to manage sensor data in accordance with some embodiments. Other techniques are for managing transmission of sensor data in accordance with some embodiments. Other techniques are for storing and/or analyzing motion of encrypted video data. Other techniques are for managing and/or pre-packetizing multi-resolution video streams. Other techniques are for sending a notification of an event in accordance with some embodiments. Other techniques are for detecting a fall of a subject using acceleration in accordance with some embodiments. Other techniques are for selectively using an object for detecting a fall of a subject in accordance with some embodiments. Other techniques are for performing fall detection on a device based on environment complexity in accordance with some embodiments. Other techniques are for performing position detection of a subject based on a blurred portion in media content in accordance with some embodiments.