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changes.mady.by.user Gleb Matskevich

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Video stream and scene requirements for the Object tracker and its sub-detectors

Hardware requirements for neural analytics operation

Requirements for the operation of the Object tracker and its sub-tools detectors are given in the table:

Object images

  • Image isn't noisy and isn't distorted by artifacts of the compression algorithm

  • The width or height of objects in the image must not:

    • be less than 1% of the frame size (at resolutions no less than 1920x1080 pixels) or 15 pixels (at lower resolutions)

    • exceed 75% of the frame size

  • When you use a neural filter, the minimum width or height of an object must be at least 5% of the width/height of the frame

  • When using the Abandoned object detector:

    • abandoned objects must be clearly visible in the image

    • the width and height of objects in the image must not exceed 25% of the frame size

  • The speed of movement of objects in the image must not be less than 1 pixel per second

  • For the object to be detected, the duration of its visibility must be at least 8 frames

  • When the object moves between two adjacent frames in a certain direction, its distance of movement must not exceed its size. This condition is necessary for the correct calculation of the object’s trajectory (track)