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  2. Acoustic tag - Wikipedia

    en.wikipedia.org/wiki/Acoustic_tag

    This voltage creates stress in the material, which in turn cause the transducer to emit an acoustic signal or “ping”, which emanates outward from the surface of the tube. An acoustic “ping” can be detected by specialized receivers, and processed using advanced signal processing techniques to determine if a fish swimming into the ...

  3. Drifter (oceanography) - Wikipedia

    en.wikipedia.org/wiki/Drifter_(oceanography)

    The major components of a drifter include surface floats for buoyancy, underwater drogues to ensure the drifter follows the movements of the water and is unaffected by wind, instruments (e.g., data collecting instruments, transmitters to transmit the collected data, and GPS devices), and waterproof containers for instruments.

  4. Indoor positioning system - Wikipedia

    en.wikipedia.org/wiki/Indoor_positioning_system

    An indoor location tracking map on a mobile phone. An indoor positioning system (IPS) is a network of devices used to locate people or objects where GPS and other satellite technologies lack precision or fail entirely, such as inside multistory buildings, airports, alleys, parking garages, and underground locations. [1]

  5. Tile (company) - Wikipedia

    en.wikipedia.org/wiki/Tile_(company)

    Tile, Inc. (stylized as tile) is an American consumer electronics company which produces tracking devices that users can attach to their belongings such as keys and backpacks. A companion mobile app for Android and iOS allows users to track the devices using Bluetooth 4.0 in order to locate lost items or to view their last detected location. [1]

  6. You'll now be able to tell if a tracking device, like an ...

    www.aol.com/youll-now-able-tell-tracking...

    The companies have developed a feature that will warn both iOS and Android users when an unknown Bluetooth tracking device, like an Apple AirTag, is on their person.

  7. Motion tracking - Wikipedia

    en.wikipedia.org/wiki/Motion_tracking

    Motion tracking may refer to: Motion capture , the process of recording the movement of objects or people Match moving , a cinematic technique that allows the insertion of computer graphics into live-action footage with correct position, scale, orientation, and motion relative to the objects in the shot

  8. Video tracking - Wikipedia

    en.wikipedia.org/wiki/Video_tracking

    Video tracking is the process of locating a moving object (or multiple objects) over time using a camera. It has a variety of uses, some of which are: human-computer interaction, security and surveillance, video communication and compression , augmented reality , traffic control, medical imaging [ 1 ] and video editing .

  9. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

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