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Related Concept Videos

What is Natural Selection?01:32

What is Natural Selection?

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Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
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When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
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SeleCon: Scalable IoT Device Selection and Control Using Hand Gestures.

Amr Alanwar1, Moustafa Alzantot2, Bo-Jhang Ho3

  • 1University of California, Los Angeles, alanwar@ucla.edu.

Iotdi 2017 : 2017 IEEE/ACM Second International Conference on Internet-Of-Things Design and Implementation : Proceedings : 18-20 April 2017, Pittsburgh, Pennsylvania, USA. Iotdi (Conference) (2Nd : 2017 : Pittsburgh, Pa.)
|April 24, 2018
PubMed
Summary
This summary is machine-generated.

SeleCon offers a natural pointing method for smart home device interaction using a smartwatch. This system achieves high accuracy in device selection and gesture recognition, while being power-efficient for daily use.

Keywords:
IoTPointinghand gestures

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Area of Science:

  • Human-Computer Interaction (HCI)
  • Internet of Things (IoT)
  • Wearable Technology

Background:

  • Existing HCI modalities face scalability and usability challenges for end-users.
  • The proliferation of IoT devices in smart homes necessitates intuitive device selection methods.
  • A natural, scalable, and non-intrusive interaction modality is required for smart environments.

Purpose of the Study:

  • To introduce SeleCon, a novel pointing-based interaction system for smart home devices.
  • To enable natural device selection and control using a smartwatch equipped with ultra-wideband (UWB) technology.
  • To develop a user-friendly and efficient method for interacting with multiple IoT devices.

Main Methods:

  • Utilized an ultra-wideband (UWB) equipped smartwatch for device selection and ranging measurements.
  • Employed inertial sensors for detecting pointing gestures and recognizing air-drawn hand gestures for control.
  • Implemented an alphabet of gestures for controlling selected devices within a smart home environment.

Main Results:

  • Achieved 84.5% accuracy in device selection.
  • Demonstrated 97% accuracy in hand gesture recognition for control actions.
  • Showcased power efficiency by disabling the UWB transceiver during stationary wrist movements.

Conclusions:

  • SeleCon provides an accurate and natural interaction modality for smart home device control.
  • The system's reliance on pointing and gestures offers an intuitive user experience.
  • Power-saving mechanisms ensure the practicality of SeleCon for daily use.