Method of automatically determining imaged body posture in medic

Details Method of automatically determining imaged body posture in medic Method of automatically determining imaged body posture in medic

1988-04-20

1990-02-20

Eisenzopf, Reinhard J.

Image analysis

Histogram processing

For setting a threshold

36441313, 382 39, 382 51, 382 30, 382 29, G03B 4100

Patent

active

049033107

ABSTRACT:
An accumulative histogram of an image signal bearing a transmitted image of a human body is generated. The rate of change of the accumulative histogram is determined in a predetermined region of the image, and the imaged posture of the image is determined from the rate of change. Alternatively, to determine the imaged posture, the separation of a histogram is determined, or the pattern of the histogram is compared with a plurality of reference histogram patterns. The derivative of second order of a function approximated by the histogram pattern may be checked for its sign, or the histogram may be checked to determine whether it is of a single-peak form or a double-hump form. The dispersion of the histogram may also be determined.

REFERENCES:
patent: 4466122 (1984-08-01), Auerbach
patent: 4504972 (1985-03-01), Scherl
patent: 4688088 (1987-08-01), Hamazaki

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