Method of correcting a measured image formed by a television cam

Details Method of correcting a measured image formed by a television cam Method of correcting a measured image formed by a television cam

1993-02-11

1994-10-04

Chin, Tommy P.

Television

Pseudo color

Multispectral to color conversion

348164, H04N 718

Patent

active

053530535

ABSTRACT:
Spectral image signals simultaneously provided by two CCD television cameras for an R-image and an IR-image are selected by a visual controller and are sent sequentially to a sending parabolic antenna where two spectral radiometers provided with photosensors measure the amounts of radiation energy of light rays of wavelengths around a wavelength corresponding to the R-image and light rays of wavelengths around a wavelength corresponding to the IR-image to obtain spectral radiation data representing the amounts of spectral radiation energy, respectively. The measured spectral radiation data is integrated and recorded by a data logger and sent through a modem and a connection box to a sending parabolic antenna, and spectral image signals representing the R-image and the IR-image received by a receiving antenna are applied to an image processing unit and the spectral radiation data received by the receiving parabolic antenna is transferred through a connection box and a modem to a computer where an image processing unit calculates a spectral reflection ratio IR/R, where IR is a corrected spectral reflectance of light rays corresponding to the IR-image and R is a corrected spectral reflectance of light rays corresponding to the R-image, and the reflectance ratio IR/R is displayed on a television monitor.

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