Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1994-06-08
1996-01-09
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250330, G01J 558
Patent
active
054830664
ABSTRACT:
A polarization diverse image sensor identifies different objects of green vegetation and produces a vegetation index of such vegetation. The sensor defines the degree, angle and intensity of polarization. This information is stored in a memory for producing an image memory map of the polarized pixel data. Differential pixel data is computed and then employed to generate a new polarization difference image which is further processed by histogramming slices of the new image to obtain a segmented image of the green vegetation. The attributes of the segmented image are then compared with segmented data which was previously stored in a model base library to obtain a match or no match of the identification of the green vegetation. If match is obtained, a controller issues control signals which controls the spray heads and chemicals carried on a moving spray platform. However, if no match is obtained, the original raw data is labeled, formatted and stored in the model base library as reference data. The generated data is stored in the memory base library for further analysis or for use in real time control of a utilization device that treats the green vegetation previously that was recognized and identified.
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patent: 5138162 (1992-08-01), Hacskaylo
patent: 5416324 (1995-05-01), Chun
Werner Frei, Manbir Singh and Tsutomu Shibata, "Digital image change detection." Optical Engineering, vol. 19, No. 3 (May/Jun. 1980) pp. 331-338.
Sadjadi Firooz A.
Sohn Stephen M.
Bowen Glenn W.
Hannaher Constantine
Loral Corporation
Sowell John B.
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