Axis_Communications
AX0-100 · Question #15
In clear weather. Axis specifies, in accordance with Johnson's criteria, an AXIS Q1921 with a 60 mm lens to have detection range of 1200 m (3900 ft) for a person. Based on this estimation which of…
The correct answer is B. A human observer is able to detect a person in 1200 m distance with 50% probability. See the full explanation below for the reasoning.
Question
In clear weather. Axis specifies, in accordance with Johnson's criteria, an AXIS Q1921 with a 60 mm lens to have detection range of 1200 m (3900 ft) for a person. Based on this estimation which of the following is true?
Options
- AAn analysis or analytic software is able to detect a person in 1200 m distance with 90%
- BA human observer is able to detect a person in 1200 m distance with 50% probability
- CA human observer can discern a person versus a car in 1200 m distance with 90% probability
- DAn analysis or analytic software is able to discern a person versus a car in 1200 m distance with
How the community answered
(29 responses)- A7% (2)
- B76% (22)
- C3% (1)
- D14% (4)
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