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1. The object to be detected is clearly distinguishable by the human eye.
2. The detected object is completely within the frame.
3. The image is not noisy and not distorted by compression algorithm artifacts.
4. The duration of the object's visibility is at least 2 frames.

5. The minimum value of pixel density per meter is observed:

   Image resolution	Object type	Minimum pixel density per meter (ratio of the object width in pixels to the object width in meters)	Minimum object size in pixels,

   Width

   width x

   Height

   height
   For

   specific pose

   Pose detection tools
   1920x1080	Human	170	~102x309
   1280x720	Human	128	~77x233
   640x360	Human	80	~48x145
   For

   classic pose

   classical sub-detectors* Pose detection tools
   1920x1080	Human	100	~45x187
   1280x720	Human	68	~31x134
   640x360	Human	35	~15x65