Requirements for the operation of the Human tracker VL and its sub-detectors are given in the table:
| Object images | - The person must be facing the camera
At least 60% of the person’s body (upper body) must be visible in the frame No objects must obscure the human body in the frame - The image isn't noisy and not distorted by the artifacts of the compression algorithm
The analytics quality is decreased by the following factors: Non-standard poses (head tilt, splits, lying position, and so on) Camera position from above at a high angle
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